Journal Description
Ecologies
Ecologies
is an international, peer-reviewed, open access journal on all aspects of ecology published quarterly online by MDPI.
- Open Access— free for readers, with article processing charges (APC) paid by authors or their institutions.
- High Visibility: indexed within ESCI (Web of Science), Scopus, EBSCO, and other databases.
- Rapid Publication: manuscripts are peer-reviewed and a first decision is provided to authors approximately 25.8 days after submission; acceptance to publication is undertaken in 8 days (median values for papers published in this journal in the first half of 2025).
- Recognition of Reviewers: APC discount vouchers, optional signed peer review, and reviewer names published annually in the journal.
- Journal Cluster of Ecosystem and Resource Management: Forests, Diversity, Fire, Conservation, Ecologies, Biosphere and Wild.
Impact Factor:
1.9 (2024);
5-Year Impact Factor:
1.8 (2024)
Latest Articles
Environmental Stress in Wild Armored Catfish Pterygoplichthys spp. Through CYP1A Gene Expression
Ecologies 2026, 7(1), 1; https://doi.org/10.3390/ecologies7010001 - 19 Dec 2025
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Aquatic ecosystems are currently facing anthropogenic pollution, mainly derived from agricultural, industrial, and urban runoff, including heavy metals, polycyclic aromatic hydrocarbons (PHAs), pesticides, fertilizers, and untreated wastewater discharges. To understand the impact of environmental contamination on fish, this research compared cytochrome P450 1A
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Aquatic ecosystems are currently facing anthropogenic pollution, mainly derived from agricultural, industrial, and urban runoff, including heavy metals, polycyclic aromatic hydrocarbons (PHAs), pesticides, fertilizers, and untreated wastewater discharges. To understand the impact of environmental contamination on fish, this research compared cytochrome P450 1A (CYP1A) gene expression in armored catfish across three locations in the lower Grijalva–Usumacinta River basin known for varying levels of pollution. Samples from the Ribera Alta, the Bitzales River, and the Chaschoc lagoon were collected during the dry and rainy seasons. We isolated RNA from liver samples, which were subsequently converted to cDNA. We used quantitative PCR to analyze CYP1A gene expression. Results showed that, of the three locations, Ribera Alta demonstrated the highest expression during the rainy season. Only in Chaschoc Lagoon did we observe significant differences between seasons (p = 0.03). This indicates that seasonal factors and the presence of pollutants in the water bodies and sediments likely play a role in regulating CYP1A gene expression in this fish species.
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Open AccessArticle
The Teaching of the Phytosociological Method for the Description of New Syntaxons: The Case of Costa Tropical—Granada Province, Andalusia
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Ana Cano Ortiz, José Carlos Piñar Fuentes, Ricardo Quinto Canas and Eusebio Cano
Ecologies 2025, 6(4), 86; https://doi.org/10.3390/ecologies6040086 - 18 Dec 2025
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The teaching of the phytosociological method comprises several stages and aligns closely with the research-oriented teaching–learning process promoted by active methodologies. In both cases, preliminary inquiry is essential to review existing knowledge on vegetation in all its dimensions: bioclimatic, biogeographical, ecological, floristic composition,
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The teaching of the phytosociological method comprises several stages and aligns closely with the research-oriented teaching–learning process promoted by active methodologies. In both cases, preliminary inquiry is essential to review existing knowledge on vegetation in all its dimensions: bioclimatic, biogeographical, ecological, floristic composition, distribution, and conservation status. The main objective is to connect active teaching methodologies with phytosociological research. To this end, the natural environment is used to bring students into direct contact with plant communities, and the phytosociological research method is applied, through which students learn sampling techniques. This approach provides a rapid and effective assessment of habitat conservation status (EU Habitats Directive 92/43/EEC, European Council, 21 May 1992). As notable results, we highlight the poor conservation status of the three communities described, which is evident from the decline in characteristic association species. The present study focuses on the wetlands of the Costa Tropical, where communities of Juncus acutus, Typha dominguensis, Phragmites australis, and Arundo donax predominate. In this case, these communities act as open-air laboratories for teaching the phytosociological method. The Juncus acutus communities differ from those of Scirpus holoschoenus and other Juncus acutus stands by the presence of the endemic Linum maritimum. Meanwhile, the reedbeds differ from Thypho-Phragmitetum australis through the presence of Halimione portulacoides. In both cases, the influence of sea spray conditions the presence of subhalophilous species such as Juncus acutus, Linum maritimum, and Halimione portulacoides. This has enabled us to establish two new plant associations: LmJa = Lino maritimi–Juncetum acuti (rush stands) and Hp–Phra = Halimione portulacoidis–Phragmitetum australis (reedbeds). Ecological gradients also make it possible to separate Typha communities belonging to the Ca–Td = Cynancho acuti–Typhetum dominguensis association, and Phragmites into two distinct associations. This distinction arises because Typha communities require soil water during the summer period, whereas in Phragmites stands the upper soil horizon dries out.
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Open AccessReview
Impacts of Anthropogenic Disturbances on the Functional Traits of Wetland Plants: A Retrospective Review of Studies Conducted Globally over the Past Two Decades
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Jingqing Wu, Cong Liu, Changhui Peng, Binggeng Xie and Zelin Liu
Ecologies 2025, 6(4), 85; https://doi.org/10.3390/ecologies6040085 - 9 Dec 2025
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As critical reservoirs of biodiversity and providers of ecosystem services, wetland ecosystems play a pivotal role in maintaining global ecological balance. They not only serve as habitats for diverse aquatic and terrestrial organisms but also play substantial roles in water purification, carbon sequestration,
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As critical reservoirs of biodiversity and providers of ecosystem services, wetland ecosystems play a pivotal role in maintaining global ecological balance. They not only serve as habitats for diverse aquatic and terrestrial organisms but also play substantial roles in water purification, carbon sequestration, and climate regulation. However, intensified anthropogenic activities—including drainage, fertilization, invasion by alien species, grazing, and urbanization—pose unprecedented threats, leading to profound alterations in the functional traits of wetland plants. This review synthesizes findings from peer-reviewed studies published between 2005 and 2024 to elucidate the mechanisms by which human disturbances affect plant functional traits in wetlands. Drainage was found to markedly reduce plant biomass in swamp ecosystems, while mesophyte and tree biomass increased, likely reflecting altered water availability and species-specific adaptive capacities. Mowing and grazing enhanced aboveground biomass and specific leaf area in the short term but ultimately reduced plant height and leaf dry matter content, indicating potential long-term declines in ecological adaptability. Invasive alien species strongly suppressed the growth of native species, reducing biomass and height and thereby threatening ecosystem stability. Eutrophication initially promoted aboveground biomass, but excessive nutrient inputs led to subsequent declines, highlighting ecosystems’ vulnerability to shifts in trophic state. Similarly, fertilization played a dual role: moderate inputs stimulated plant growth, whereas excessive inputs impaired growth performance and exacerbated eutrophication of soils and water bodies. Urbanization further diminished key plant traits, reduced habitat extent, and compromised ecological functions. Overall, this review underscores the profound impacts of anthropogenic disturbances on wetland plant functional traits and their cascading effects on ecosystem structure and function. It provides a scientific foundation for conservation and management strategies aimed at enhancing ecosystem resilience. Future research should focus on disentangling disturbance-specific mechanisms across different wetland types and developing ecological engineering and management practices. Recommended measures include rational land-use planning, effective control of invasive species, and optimized fertilization regimes to safeguard wetland biodiversity, restore ecosystem functions, and promote sustainable development.
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(This article belongs to the Special Issue Feature Review Papers in Ecology)
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Phytoengineered Remediation of BTEX and MTBE Through Hybrid Constructed Wetlands Planted with Heliconia latispatha and Phragmites australis
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Sandra Guadalupe García-Aburto, Graciela Nani, Vicente Vergara-Flórez, David Reyes-González, Erick Arturo Betanzo-Torres, Alexi Peralta-Vega and Luis Carlos Sandoval Herazo
Ecologies 2025, 6(4), 84; https://doi.org/10.3390/ecologies6040084 - 5 Dec 2025
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Water pollution caused by petroleum-derived volatile organic compounds such as benzene, toluene, ethylbenzene, and xylenes (BTEX), as well as methyl tert-butyl ether (MTBE), poses a growing threat to aquatic ecosystems and human health. These contaminants, together with the organic matter and nutrients present
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Water pollution caused by petroleum-derived volatile organic compounds such as benzene, toluene, ethylbenzene, and xylenes (BTEX), as well as methyl tert-butyl ether (MTBE), poses a growing threat to aquatic ecosystems and human health. These contaminants, together with the organic matter and nutrients present in municipal wastewater, highlight the need for sustainable treatment technologies adapted to tropical conditions. This study evaluated the removal efficiency of BTEX, MTBE, and conventional pollutants using hybrid constructed wetlands (HCWs) that combine vertical subsurface flow (VSSF-CW) and horizontal subsurface flow (HSSF-CW) systems. Two plant species—Heliconia latispatha and Phragmites australis—were tested, along with a polyculture and an unvegetated control. The hybrid systems treated synthetic influents formulated to simulate contaminated municipal wastewater. Parameters including COD, TSS, N–NH4+, N–NO3−, P–PO43−, BTEX, and MTBE were monitored and analyzed using ANOVA and Tukey’s test (p < 0.05). Vegetated systems achieved COD removal efficiencies exceeding 85%, compared with 72% in the control. Phragmites australis obtained the highest removal of suspended solids (92 ± 3%) and ammonium nitrogen (88 ± 2%), whereas Heliconia latispatha exhibited superior phosphorus removal (84 ± 4%). The polyculture displayed a synergistic effect, achieving removal rates of 93% for benzene, 91% for toluene, and 88% for MTBE, with statistically significant differences relative to the control (p < 0.05). In conclusion, hybrid constructed wetlands planted with Heliconia latispatha and Phragmites australis demonstrated high efficiency and stability in removing BTEX, MTBE, and conventional pollutants under tropical conditions, positioning themselves as a sustainable, low-cost, and esthetically valuable treatment alternative.
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Open AccessArticle
New Insight into the Identification and Activity Pattern of Asiatic Black Bear in a Protected Area of Northeastern Bangladesh
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Raf Ana Rabbi Shawon, Md. Matiur Rahman, Md Mehedi Iqbal, Haris Debbarma and Junji Moribe
Ecologies 2025, 6(4), 83; https://doi.org/10.3390/ecologies6040083 - 2 Dec 2025
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The monitoring of wildlife habitats is crucial for effective conservation efforts, particularly where biodiversity faces significant threats. This study aimed to monitor the biodiversity of wild mammals in a protected area (PA) of Northeastern Bangladesh, with a particular focus on detecting previously unrecorded
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The monitoring of wildlife habitats is crucial for effective conservation efforts, particularly where biodiversity faces significant threats. This study aimed to monitor the biodiversity of wild mammals in a protected area (PA) of Northeastern Bangladesh, with a particular focus on detecting previously unrecorded species using camera traps. We deployed nine camera traps across 19 locations inside the PAs of Satchari National Park (SNP) from May 2024 to April 2025. Further, the camera-trap data were analyzed to evaluate the existing wild mammals, along with their activity patterns and seasonal variations, in SNP. Our study identified the Asiatic black bear in SNP for the first time, representing a significant contribution to biodiversity records of Bangladesh. Among the other frequently documented wild mammals were the wild boar, northern pig-tailed macaque, and barking deer, whereas less commonly detected species included the crab-eating mongoose and jungle cat. Activity pattern analysis of Asiatic black bear revealed a predominantly nocturnal-to-crepuscular behavior, with distinct bimodal peaks during early morning and evening. The present study showed that the Asiatic black bear was active in pre-monsoon and winter; however, it was absent during the rainy season, suggesting seasonal habitat use or detectability challenges. This is the first study to confirm the presence of Asiatic black bears in PAs of SNP using camera traps. These findings also highlight the importance of long-term biodiversity monitoring for continued conservation efforts to protect the diverse wildlife of SNP. The detection of previously undocumented wild mammals highlights the ecological importance of SNP, urging authorities to tighten the ongoing conservation initiatives. Understanding the diel and seasonal activity patterns would instruct the timing of conservation and habitat management strategies. This study also makes the integration of camera-trap monitoring into long-term biodiversity management to guide evidence-based conservation policies in Bangladesh’s PAs.
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Open AccessArticle
Enhancing Invasive Alien Plant Species Management Through Participatory GIS: A Spatial Analysis of Species Distribution on Rodrigues Island, Mauritius
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Reshma Sunkur
Ecologies 2025, 6(4), 82; https://doi.org/10.3390/ecologies6040082 - 1 Dec 2025
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Invasive alien species (IAS) are a significant threat to ecosystems worldwide, in particular island ecosystems where ecological resilience is limited. Spatially explicit and locally informed strategies are crucial on small islands to effectively manage IAS. The present study uses an integrated approach to
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Invasive alien species (IAS) are a significant threat to ecosystems worldwide, in particular island ecosystems where ecological resilience is limited. Spatially explicit and locally informed strategies are crucial on small islands to effectively manage IAS. The present study uses an integrated approach to map and manage IAS on Rodrigues Island, Mauritius, using a combination of field surveys, participatory mapping, and spatial analysis tools. Field data was collected in four sites on Rodrigues, namely Cascade Pigeon, Cascade St Louis, Mourouk Valley, and Golden Bat Reserve, supported by participatory mapping and Inverse Distance Weighting (IDW) interpolation in ArcGIS. The results revealed firstly that invasion hotspots were concentrated in previously disturbed areas, especially in Mourouk Valley and Cascade Pigeon, where Furcraea foetida, Leucaena leucocephala, and Millettia pinnata co-occur. Secondly, grassland zones exhibited minimal invasion, indicating their potential as natural buffer zones for conservation. Thirdly, the integration of stakeholder knowledge through Participatory GIS (PGIS) enhanced the accuracy and contextual understanding of the spatial analysis. Fourthly, the IDW interpolation method demonstrated high precision with low root mean square error (RMSE) values and minimal spatial error (≤0.5 m). Finally, the study underscores the importance of adaptive, site-specific monitoring and management strategies that combine spatial tools and local knowledge. These findings provide a replicable framework for IAS management in other island ecosystems facing similar ecological challenges, contributing to national and international biodiversity conservation efforts, including Sustainable Development Goal 15—Life on Land.
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Assessment of Agroecological Factors Shaping the Population Dynamics of Sunn Pest (Eurygaster integriceps Puton) in Kazakhstan
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Shynbolat Rsaliyev, Amangeldy Sarbaev, Aidarkhan Eserkenov, Sholpan Bastaubayeva, Nurbakyt Orazaliev, Arman Baimagambetov and Kanat Yermekbayev
Ecologies 2025, 6(4), 81; https://doi.org/10.3390/ecologies6040081 - 1 Dec 2025
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The Sunn pest (Eurygaster integriceps Puton) ranks among the most harmful pests affecting wheat yield and grain quality in Kazakhstan. In particular, it poses a serious threat to regions in which winter wheat cultivation is dominant. Climate change, parasites, predators, and recent
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The Sunn pest (Eurygaster integriceps Puton) ranks among the most harmful pests affecting wheat yield and grain quality in Kazakhstan. In particular, it poses a serious threat to regions in which winter wheat cultivation is dominant. Climate change, parasites, predators, and recent transformations in agriculture and human activities in Kazakhstan and throughout Central Asia have significantly influenced the population dynamics of the Sunn pest. This study reports the findings on Sunn pest population dynamics in Kazakhstan’s winter wheat growing regions from 2022 to 2024, based on surveys of 233 hectares across four regions. In total, 1753 specimens of the Sunn pest were studied. The obtained results were analyzed in comparison with historical data (1991–2020) and recent findings in this field. We found that a combination of ecological factors are the main determinants of the Sunn pest population dynamics in different regions of the country. The pest population increased in seasons with optimal temperature (sum of effective temperatures—SET) and humidity conditions (hydrothermal coefficient—HTC), as well as when wheat cultivation areas and forest belts expanded. Moreover, the results highlighted that the pest population is controlled by the activity of egg parasites (Telenomus) in the south, unfavorable weather conditions during overwintering in the east and west, and the growing of resistant varieties in the southeast of the country. Compared to wild grasses, wheat crops increased the reproductive potential of the pest.
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(This article belongs to the Topic Climate Change and Aquatic Ecosystems: Impacts, Mitigation and Adaptation)
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Influence of Rhizosphere Dynamics and Soil Chemical Properties in Arid Environments on the Distribution, Abundance, and Diversity of Arbuscular Mycorrhizal Fungi (AMF)
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Saud S. Aloud, Fahad Alotaibi, Salah N. Sorrori and Basil Alshebe
Ecologies 2025, 6(4), 80; https://doi.org/10.3390/ecologies6040080 - 18 Nov 2025
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This study investigates the influence of rhizosphere dynamics and soil chemical properties on the distribution, abundance, and diversity of arbuscular mycorrhizal fungi (AMF) across two seasons (summer and winter). A total of 11 rhizospheric soil and root samples were collected from various wild
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This study investigates the influence of rhizosphere dynamics and soil chemical properties on the distribution, abundance, and diversity of arbuscular mycorrhizal fungi (AMF) across two seasons (summer and winter). A total of 11 rhizospheric soil and root samples were collected from various wild plant species, including Senna italica, Cyperus laevigatus, Phragmites australis, Pelargonium peltatum, Zygophyllum simplex, Citrullus colocynthis, Malva parviflora, Zygophyllum coccineum, Calotropis procera, Solanum nigrum, and Salsola baryosm. Phragmites australis exhibited the highest AMF spore count (175 and 124/100 g dry soil in summer and winter), while Calotropis procera showed the lowest (101 and 63/100 g). AMF species identified included Glomus ambisporum, Rhizophagus intraradices, Claroideoglomus etunicatum, Diversispora globifera, Funneliformis geosporum, Funneliformis mosseae, Rhizophagus fasciculatus, and Gigaspora spp. The Shannon diversity index ranged from 0.692 (Zygophyllum simplex) to 0.653 (Salsola imbricata), and Simpson’s index from 0.498 to 0.461. Phragmites australis recorded the highest root colonization (90.5% and 84.7%), arbuscule (76% and 69.3%), and vesicle formation (36%) in summer, while Calotropis procera had the lowest. In summer, AMF spore counts showed significant correlations with soil nutrients (N, P, K), and with total organic carbon (TOC) and organic matter (OM). During winter, TOC and OM remained influential, while correlations with nutrients weakened. Soil pH, electrical conductivity (EC), and texture exhibited minimal correlation with AMF spore counts in both seasons.
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Open AccessArticle
Field Testing of an Acoustic Anti-Wolf Collar in Southern Italy
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Pietro Orlando, Manuel Scerra, Cino Pertoldi, Sussie Pagh and Francesco Foti
Ecologies 2025, 6(4), 79; https://doi.org/10.3390/ecologies6040079 - 18 Nov 2025
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The recolonization of the wolf (Canis lupus italicus) in Italy represents conservation success, but it has led to increased conflicts with livestock farming. These conflicts may undermine traditional pastoral practices, which are important for maintaining rural landscapes and associated biodiversity. In
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The recolonization of the wolf (Canis lupus italicus) in Italy represents conservation success, but it has led to increased conflicts with livestock farming. These conflicts may undermine traditional pastoral practices, which are important for maintaining rural landscapes and associated biodiversity. In 2023, the European wolf population exceeded 20,300 individuals, with an estimated 65,000 livestock losses reported annually across the EU. This study assesses the effectiveness of an acoustic anti-wolf collar to complement existing protective measures, including fencing, human surveillance, and guarding dogs. A field trial was conducted from June to August 2024 in the municipality of Bova Marina in the metropolitan city of Reggio Calabria, Italy, using three groups of 50 Aspromonte goats. The groups were managed by: (1) a shepherd only (SO), (2) a shepherd with guarding dogs (SGD), and (3) a shepherd with guarding dogs and the anti-wolf collar (SGDC). The collar emitting modulated frequency intervals based on natural harmonic sounds, intended to deter wolves, was mounted on goats. Monitoring, by camera traps, enabled a comparative analysis of predation events. Camera data indicated persistent wolf activity at the site (54 images at CT1, 42 at CT2), but outcomes diverged by treatment. Two camera traps positioned at corridor bottlenecks identified from terrain morphology confirmed wolf presence and provided continuous coverage of the three groups on the single property. SO had 72 attacks and 5 kills; SGD had 26.39% fewer attacks and 1 kill; SGDC had no predation events despite confirmed presence. The preliminary findings suggest that the use of the anti-wolf collar may contribute to a reduction in predation and be a useful addition to strategies aimed at promoting coexistence between wolves and pastoral activities.
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Open AccessArticle
Reproductive Ecology of Loeselia mexicana (Polemoniaceae): Protandry, Self-Incompatibility and a Generalized Pollination System Challenge Traditional Ornithophilous Assumptions
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Liliana Mora-Hernández, Carlos Lara, Mariana Cuautle, Ubaldo Márquez-Luna and Karla López-Vázquez
Ecologies 2025, 6(4), 78; https://doi.org/10.3390/ecologies6040078 - 14 Nov 2025
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Loeselia mexicana (Polemoniaceae) is a Mexican shrub with significant medicinal value since pre-Hispanic times. Despite its ethnobotanical importance and apparent role in supporting pollinator communities, detailed information about its reproductive biology remains limited, hindering conservation efforts for this increasingly harvested species. We investigated
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Loeselia mexicana (Polemoniaceae) is a Mexican shrub with significant medicinal value since pre-Hispanic times. Despite its ethnobotanical importance and apparent role in supporting pollinator communities, detailed information about its reproductive biology remains limited, hindering conservation efforts for this increasingly harvested species. We investigated the reproductive ecology of L. mexicana across two flowering seasons (2023–2024 and 2024–2025) in central Mexico through an integrated approach examining flowering phenology, floral morphology, sexual maturation sequence, nectar characteristics, floral visitors, and breeding system experiments. Flowering occurs from September to March, peaking in October. Flowers exhibit protandry, with anther dehiscence on days 1–2 and stigma receptivity from day 2 onward (flower lifespan: 2.85 ± 0.11 days). Maximum nectar production (1.46 ± 0.05 µL per flower; 193.13 ± 8.8 mg/mL) coincided with peak visitor activity. Despite possessing classic ornithophilous traits, we recorded 21 floral visitor species (5 hummingbirds, 3 hymenopterans, 13 butterflies) with similar visitation patterns, challenging previous assumptions about pollination specialization. Controlled pollination experiments confirmed self-incompatibility, with cross-pollination producing significantly more seeds than autonomous selfing. Our findings reveal that L. mexicana maintains a generalized pollination system, while protandry and self-incompatibility enforce outcrossing, providing critical baseline information for conservation strategies.
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Open AccessCommunication
First Record of Petrobia (Tetranychina) harti (Ewing, 1909) (Acari: Tetranychidae) in Serbia, with Additional Remarks
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Katarina Mladenović, Bojan Stojnić, Biljana Vidović, Danilo Furtula and Djordje Jović
Ecologies 2025, 6(4), 77; https://doi.org/10.3390/ecologies6040077 - 8 Nov 2025
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The species Petrobia (Tetranychina) harti (Ewing, 1909) is reported for the first time in Serbia, also representing the first record of the tribe Petrobiini Reck, 1952 in the country. Including this finding, the number of spider mite species recorded in Serbia
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The species Petrobia (Tetranychina) harti (Ewing, 1909) is reported for the first time in Serbia, also representing the first record of the tribe Petrobiini Reck, 1952 in the country. Including this finding, the number of spider mite species recorded in Serbia now totals 45. This spider mite species was found exclusively on wood-sorrel plants, Oxalis corniculata L. and O. articulata Savigny., at several localities in the cities of Belgrade and Zrenjanin. The samples were collected during the growing season of 2018 and 2023. Identification of the oxalis mite was based on morphological characteristics. To date, the occurrence of P. (T.) harti on other host plants has not been confirmed anywhere in Serbia. On the observed wood-sorrel plants, P. (T.) harti was recorded in cohabitation only with Tetranychus urticae Koch, 1836.
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Three Decades of Habitat Loss and Northward Shift in the Red-Crowned Crane on the Songnen Plain: Conservation Gaps and the Need for Network Expansion
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Xueying Sun, Zhongsi Gao, Xiaogang Lin, Qingming Wu, Muhammad Suliman, Jingli Zhu and Hongfei Zou
Ecologies 2025, 6(4), 76; https://doi.org/10.3390/ecologies6040076 - 7 Nov 2025
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The red-crowned crane (Grus japonensis) is a flagship species for wetland biodiversity in East Asia. The Songnen Plain is a vital wetland and habitat for rare and endangered birds in Northeast China. However, rapid land use changes have raised urgent concerns
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The red-crowned crane (Grus japonensis) is a flagship species for wetland biodiversity in East Asia. The Songnen Plain is a vital wetland and habitat for rare and endangered birds in Northeast China. However, rapid land use changes have raised urgent concerns about habitat loss and the survival of these populations. We combined 30 years (1990–2020) of field surveys with ensemble species distribution models (SDMs) to analyze the spatio-temporal changes in suitable habitats for all three key life stages—spring migration, breeding, and autumn migration—across the Songnen Plain. We also assessed how well the current protected-area (PA) network covers suitable habitats and identified conservation gaps. Land use type was the most significant predictor of habitat suitability. Over this period, suitable habitats decreased sharply by 60% (spring migration), 72% (breeding), and 76% (autumn migration), with severe fragmentation and a clear northward shift. Core suitable areas are now mainly found within a few nature reserves, including Zhalong, Wuyu’er River, and Xianghai. We identified three significant conservation gaps: Lindian–Anda, Tailai–Dumeng, and Meilisi Daur–Fuyu. Our results show widespread habitat reduction and demonstrate the inadequacy of the current PA network in supporting the long-term survival of red-crowned crane populations. We recommend expanding protections and restoring wetland connectivity within these gaps to maintain critical habitats and improve landscape resilience for this endangered species.
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Open AccessArticle
Vis–NIR Spectroscopy Characteristics of Wetland Soils with Different Water Contents and Machine Learning Models for Carbon and Nitrogen Content
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Keying Qu, Leichao Nie, Lijuan Cui, Huazhe Li, Mingshuo Xiong, Xiajie Zhai, Xinsheng Zhao, Jinzhi Wang, Yinru Lei and Wei Li
Ecologies 2025, 6(4), 75; https://doi.org/10.3390/ecologies6040075 - 6 Nov 2025
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Soil nutrient detection in wetlands is critical for rapidly and effectively managing these ecosystems. Our objective was to provide a methodological framework for identifying optimal data processing methods and machine learning model for predicting soil organic carbon (SOC) and total nitrogen (TN) content
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Soil nutrient detection in wetlands is critical for rapidly and effectively managing these ecosystems. Our objective was to provide a methodological framework for identifying optimal data processing methods and machine learning model for predicting soil organic carbon (SOC) and total nitrogen (TN) content using Vis–NIR spectroscopy, under the confounding influence of varying soil moisture. Soil samples (474) were collected from the Shaanxi Yellow River Wetland Provincial Nature Reserve with five moisture levels (0, 5, 10, 20, and 30%). Using a Vis–NIR spectroscopy system (ASD FS4 spectrometer), soil organic carbon (SOC) and total nitrogen (TN) were detected within the 350–2500 nm spectral range. Machine learning models were established using the Random Forest model (RF), eXtreme Gradient Boosting (XGBoost), and Partial Least Squares Regression (PLSR). The results indicated: (1) spectral reflectance values increased as soil moisture content decreased, with the 0% moisture model being consistently more accurate; (2) models for SOC and TN on first-derivative spectra had higher accuracy; and (3) the RF exhibited higher inversion accuracy and stability (R2 = 0.30–0.69). (4) The SHAP analysis confirmed 1865 nm and 1419 nm as the most contributory bands for SOC and TN prediction respectively, validating the RF model’s spectral interpretation capability.
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Open AccessArticle
Effect of Individual Selection Silvicultural Treatment on the Vertical Structure of a Pine-Oak Forest in Northern Mexico
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Joel Rascón-Solano, Samuel Alberto García-García, Rufino Sandoval-García, Eduardo Alanís-Rodríguez, Sandra Pérez-Álvarez, Patricia Uranga-Valencia, Oscar Aguirre-Calderón, Gerónimo Quiñonez-Barraza, Juan Abel Nájera-Luna, Benedicto Vargas-Larreta and Francisco Hernández
Ecologies 2025, 6(4), 74; https://doi.org/10.3390/ecologies6040074 - 5 Nov 2025
Abstract
Understanding the structural dynamics of temperate forests is essential for their sustainable management. This study assessed the vertical structure of a mixed temperate forest in the Sierra Madre Occidental, Mexico, under an individual selection cutting regime implemented in 2012 and 2022. Nine Permanent
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Understanding the structural dynamics of temperate forests is essential for their sustainable management. This study assessed the vertical structure of a mixed temperate forest in the Sierra Madre Occidental, Mexico, under an individual selection cutting regime implemented in 2012 and 2022. Nine Permanent Silvicultural Research Sites were established, and measurements were carried out in 2012, 2022, and 2023 to record tree species, height, and crown cover. The analyses describe dendrometric variables, structural verticality indices and the Pretzsch index; regression models were fitted and Kruskal–Wallis tests performed. The results revealed a multistratified forest: Pinus durangensis dominates the upper canopy, while broadleaved species concentrate in the lower layers, enriching the understorey. Following silvicultural interventions, structural reorganisation was evident, with an increase in emergent individuals in the canopy and stability in crown-cover frequencies. A slight increase in pine and oak cover was detected, together with the presence of new tree species characteristic of the region. Taken together, the findings indicate that planned individual-selection cutting can maintain the stand’s original vertical structure and the functionality of the mixed temperate forest in northern Mexico, providing an analytical approach applicable to other comparable forest regions.
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(This article belongs to the Topic Conservation at the Crossroads: Forest Ecology, Wildlife Dynamics, and Emerging Challenges for Ecosystem Resilience)
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Open AccessArticle
Chemotypic Plasticity of Potentilla erecta (L.) Raeusch. Across Elevational Gradients in the Ukrainian Carpathians
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Anzhela Kolesnyk, Oleksandra Kolesnyk, Yurij Leno, Edit Kosztyuné Krajnyák, Béla Szabó, Zsolt Tibor Hörcsik, Zoltán Cziáky, Judit Dobránszki, Anikó Németh and Judit Csabai
Ecologies 2025, 6(4), 73; https://doi.org/10.3390/ecologies6040073 - 4 Nov 2025
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Potentilla erecta (L.) Raeusch. is a widely used medicinal species valued for its astringent, anti-inflammatory, and antimicrobial effects. This study examined the variation in hydrolysable tannin and flavonoid content in rhizomes of wild-growing populations collected along an elevational gradient in the Ukrainian Carpathians
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Potentilla erecta (L.) Raeusch. is a widely used medicinal species valued for its astringent, anti-inflammatory, and antimicrobial effects. This study examined the variation in hydrolysable tannin and flavonoid content in rhizomes of wild-growing populations collected along an elevational gradient in the Ukrainian Carpathians (180–2020 m above sea level). Rhizomes from fifteen populations were analyzed using pharmacopoeial methods, including thin-layer chromatography for tannins and spectrophotometry for flavonoids. Tannin levels ranged from 15.57% to 31.82%, while flavonoid contents varied between 0.23% and 0.40%, expressed as a percentage of dry weight. Both metabolites showed a strong positive correlation with altitude (r = 0.88 for tannins; r = 0.84 for flavonoids), indicating a clear influence of elevation on their accumulation. The highest concentrations were consistently found in high-mountain populations. These results suggest that environmental factors associated with increasing elevation, such as reduced temperature and enhanced ultraviolet radiation, play a significant role in shaping the phytochemical profile of P. erecta. The study contributes to the understanding of altitudinal effects on secondary metabolite accumulation in mountain plants and provides a basis for further ecological and pharmacological-oriented research related to this species.
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Open AccessArticle
Evolution and Driving Factors of Ecosystem Service Value in the Henan Section of the Yellow River Basin at Different Grid Scales
by
Zihan Wang, Yishuo Gu, Meng Zhang and Tianxiao Li
Ecologies 2025, 6(4), 72; https://doi.org/10.3390/ecologies6040072 - 31 Oct 2025
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Advancing ecological civilization in the Yellow River Basin requires a nuanced understanding of the spatiotemporal evolution of ecosystem service value (ESV) and its underlying drivers, which are fundamental to regional sustainable development. This study examines the Henan section of the Yellow River Basin,
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Advancing ecological civilization in the Yellow River Basin requires a nuanced understanding of the spatiotemporal evolution of ecosystem service value (ESV) and its underlying drivers, which are fundamental to regional sustainable development. This study examines the Henan section of the Yellow River Basin, applying the equivalent factor method to estimate ESV in 2020 at three grid scales: 3 km × 3 km, 5 km × 5 km, and 10 km × 10 km. Spatial patterns of land-averaged ESV at each scale are characterized using autocorrelation analysis, while the geodetector model is employed to identify and quantify the influence of driving factors on ESV spatial heterogeneity. The findings reveal that (1) ESV displays both consistent and variable spatial patterns, with higher values in the west and north, lower values in the east and south, and a distinct high-value belt along water bodies; (2) strong spatial positive correlation and aggregation of ESV are observed at all grid scales, though these effects weaken as grid cell size increases; and (3) human activities exert a significant influence on regional ESV, with the interaction of multiple factors providing robust explanatory power for ESV variation, which diminishes with increasing scale. These results offer insights for optimizing ecosystem management and promoting sustainable development in the Yellow River Basin.
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Vegetative Growth Analysis of Schoenoplectus californicus (Totora): Dynamics and Physiological Mechanisms in High-Altitude Andean Lakes
by
Galo Pabón-Garcés, Lucía Vásquez-Hernández, Gladys Yaguana-Jiménez and Patricia Aguirre-Mejía
Ecologies 2025, 6(4), 71; https://doi.org/10.3390/ecologies6040071 - 30 Oct 2025
Abstract
Schoenoplectus californicus (Totora) is a wetland plant of cultural and ecological importance, traditionally used for handicrafts and habitat conservation in Andean lakes. This study investigates its vegetative growth in two Andean lakes in Imbabura, Ecuador (Yahuarcocha and Imbacocha), which present contrasting chemical and
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Schoenoplectus californicus (Totora) is a wetland plant of cultural and ecological importance, traditionally used for handicrafts and habitat conservation in Andean lakes. This study investigates its vegetative growth in two Andean lakes in Imbabura, Ecuador (Yahuarcocha and Imbacocha), which present contrasting chemical and biological conditions (total nitrogen, total phosphorus, and chlorophyll a). Vegetative growth analysis, using indices, provides tools for understanding Totora growth dynamics within a cultivation cycle. By quantifying biomass accumulation and other parameters, it is possible to infer how the plant responds to its environment and to guide its production and management. Our objective was to evaluate how physiological and morphological traits influence growth under differential nutrient conditions. A 210-day field trial was conducted with periodic sampling and analysis of physiological indices, combining classical and functional growth approaches. Key growth indices—relative growth rate (RGR), net assimilation rate (NAR), and leaf area ratio (LAR)—were calculated from photosynthetic surface area and dry biomass. Results show that plants in Yahuarcocha, a hypertrophic lake, exhibited greater biomass production (up to 2380 g m−2) and photosynthetic area (8.68 m2), reaching peak growth at 150 days. In contrast, plants in Imbacocha, a eutrophic lake, reached maximum growth at 180 days, with a greater dependence on NAR. Strong correlations among RGR, NAR, and LAR were observed in Yahuarcocha, highlighting the influence of higher nutrient concentrations and harvesting pressure on growth dynamics. These findings underscore the importance of considering lake trophic status when planning sustainable harvesting and cultivation strategies for Totora in Andean wetlands.
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(This article belongs to the Special Issue Plant Communities: Identification, Monitoring and Evaluation of Temporal Dynamics)
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Open AccessReview
Integrating Ecological and Economic Approaches for Ecosystem Services and Biodiversity Conservation: Challenges and Opportunities
by
Lexuan Ma, Liang Hong and Xiongwei Liang
Ecologies 2025, 6(4), 70; https://doi.org/10.3390/ecologies6040070 - 22 Oct 2025
Abstract
This narrative review examines how ecological and economic perspectives can be integrated to support ecosystem services management and biodiversity conservation. We synthesize core valuation approaches (accounting-based exchange values versus welfare-based measures), discuss their appropriate uses and limitations, and illustrate implications through selected cases
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This narrative review examines how ecological and economic perspectives can be integrated to support ecosystem services management and biodiversity conservation. We synthesize core valuation approaches (accounting-based exchange values versus welfare-based measures), discuss their appropriate uses and limitations, and illustrate implications through selected cases in watershed protection, protected areas, and forest carbon. We then review design features of Payments for Ecosystem Services (PES) with attention to additionality, leakage, and equity, and distill lessons for policy mixes that combine market-based instruments with regulatory and informational tools. Finally, we outline opportunities and risks in applying artificial intelligence to ecological–economic analysis, emphasizing accuracy–energy trade-offs and responsible data practices. Across topics, we prioritize mechanism-focused interpretation, triangulate findings from representative studies, and highlight decision-relevant takeaways rather than comprehensive coverage. We conclude with practical recommendations for analysts and policymakers: align valuation method with decision context; pair PES with targeting and monitoring; embed price-based instruments in adaptive policy mixes; and adopt transparent, efficiency-aware analytic workflows—especially when using computationally intensive methods.
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(This article belongs to the Special Issue Feature Review Papers in Ecology)
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Open AccessArticle
Functional Morphology and Early Growth of Seedlings of Tropical Species
by
Georgina Vargas-Simón, Marivel Domínguez-Domínguez, Reinaldo Pire and Pablo Martínez-Zurimendi
Ecologies 2025, 6(4), 69; https://doi.org/10.3390/ecologies6040069 - 15 Oct 2025
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This study was undertaken to evaluate tropical species: Calophyllum brasiliense, Bravaisia integerrima, Roseodendron donnell-smithii, Piscidia piscipula, Enterolobium cyclocarpum, and Dialium guianense. The seeds were arranged in a completely randomized design under conditions of 50% shading and analyzed
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This study was undertaken to evaluate tropical species: Calophyllum brasiliense, Bravaisia integerrima, Roseodendron donnell-smithii, Piscidia piscipula, Enterolobium cyclocarpum, and Dialium guianense. The seeds were arranged in a completely randomized design under conditions of 50% shading and analyzed using the repeated measures method. In the experiment, growth was evaluated for six months after germination, and seedling morphology and phyllotaxis were described. The parameters stem height (SH), SH relative growth rate (SRGR), stem basal diameter (BD), BD relative growth rate (DRGR), number of juvenile leaves, and survivorship were recorded. Regression curves were generated with the SH and BD data. Seeds with greater length values produced seedlings with improved morphological traits, E. cyclocarpum and C. brasiliense, regardless of their functional morphology. Germination began 7 to 10 days after sowing. The average survivorship was 70.1% at six months. The highest values in seedling SH at six months were obtained in E. cyclocarpum and C. brasiliense. The number of leaves was greatest in C. brasiliense and D. guianense. Considering the features desirable for a nursery plant, production of the following species is considered feasible: B. integerrima, C. brasiliense, Piscidia piscipula, and Enterolobium cyclocarpum. The regression curves showed the tendency of the plants to present more rapid growth in the first months after germination.
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Open AccessArticle
Living Safely: Low Road Mortality in Squamates near Burgas, Bulgaria
by
Nikolay Natchev, Pavlina Marinova, Ivan Telenchev, Nikolay Nedyalkov, Aysun Ali and Teodora Koynova
Ecologies 2025, 6(4), 68; https://doi.org/10.3390/ecologies6040068 - 13 Oct 2025
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The study represents the results of a long-term (2016 to 2021) survey on the herpetofauna inhabiting the vicinity of a heavily loaded section of the road E 87. The investigated road splits a Protected site from the net NATURA 2000 BG0000271 “Mandra-Poda”. The
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The study represents the results of a long-term (2016 to 2021) survey on the herpetofauna inhabiting the vicinity of a heavily loaded section of the road E 87. The investigated road splits a Protected site from the net NATURA 2000 BG0000271 “Mandra-Poda”. The Protected site is known for its high biodiversity and its dense populations of vertebrates, which thrive in the area. Directly near the inspected road and on the pavement, we were able to detect five species of snakes, three species of turtles and two species of lizards. Among the squamates, rare observations were made of the European nose-horned viper (Vipera ammodytes), detected twice, and the European glass lizard (Pseudopus apodus), detected three times. Three other species—the Bloched snake (Elaphe sauromates), the Caspian whipsnake (Dolichophis caspius) and the Rhodos green lizard (Lacerta dyplochondrodes)—were found in larger numbers during some of the field surveys and here we provide information concerning the hot moments of their activity in the vicinity of the road. The Grass snakes (Natrix natrix) and the Dice snakes (N. tessellata) formed dense groups in the direct vicinity (closer than one and half meters) of the investigated road section. Despite the high number of recorded snakes and lizards, only isolated cases of vehicle collisions were observed. We suggest that the local squamate population had developed a complex of ethological specifics related to feeding, basking, shading, and copulation, which helped them to benefit from the road and avoid the risks related to the heavy traffic.
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