Special Issues

Diversity publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Ecology and Conservation of Marine Megafauna—2nd Edition
edited by
submission deadline 15 Jan 2026 | Viewed by 100 | Submission Open
Keywords: bycatch; climate variability; ecological risk assessment; ecosystem approach; conservation management; marine protected areas
(This special issue belongs to the Section Biodiversity Conservation)
The Applications of Emerging Technologies on Biodiversity Conservation
edited by and
submission deadline 31 Jan 2026 | 5 articles | Viewed by 9985 | Submission Open
Keywords: acoustic monitoring; AI-based method; generative pre-trained transformer; satellite; drone; robot
(This special issue belongs to the Section Biodiversity Conservation)
Foraminiferal Research: Modern Approaches and Emerging Trends
edited by Patricia Eichler, Moab Praxedes Gomes and Jere H. Lipps
submission deadline 31 Jan 2026 | 3 articles | Viewed by 2561 | Submission Open
Keywords: foraminiferal studies; environmental monitoring; paleoclimate reconstruction; biogeography
(This special issue belongs to the Section Marine Diversity)
Diversity, Physiology and Ecology of Marine Microorganisms
edited by Xianzhe Gong and
submission deadline 31 Jan 2026 | Viewed by 190 | Submission Open
Keywords: diversity; ecology; physiology; microbiology; ocean
(This special issue belongs to the Section Marine Diversity)
Diversity and Systematics of Plant-Associated Fungi
edited by Jiwen Xia, and
submission deadline 31 Jan 2026 | Viewed by 112 | Submission Open
Keywords: fungi diversity; systematics; plant-associated fungi
Plant Signals Driving Resilience Against Abiotic and Biotic Stresses
edited by and Valeria Castaldi
submission deadline 31 Jan 2026 | Viewed by 103 | Submission Open
Keywords: plant immunity; stress signaling; plant defense; environmental stress; drought; salinity; heat/cold; nutrient deficiency; oxidative stress; transcriptomics/proteomics; metabolomics; pathogens (fungi; bacteria; viruses); insect herbivores; ecological impact of stress resilience
(This special issue belongs to the Section Plant Diversity)
Diversity, Phylogeny and Ecology of Marine Microorganisms
edited by , Lin Xu, Jianyang Li and
submission deadline 31 Jan 2026 | Viewed by 69 | Submission Open
Keywords: marine ecosystem; microbial diversity and evolution; microbial ecology and environmental adaptation; phylogeny of bacteria and archaea
(This special issue belongs to the Section Microbial Diversity and Culture Collections)
Microbial Diversity in Changing Ecosystems: From Mechanisms to Applications
edited by
submission deadline 31 Jan 2026 | Viewed by 48 | Submission Open
Keywords: microbial conservation; ecosystem functioning; biodiversity monitoring; environmental microbiology; culture collections
(This special issue belongs to the Section Microbial Diversity and Culture Collections)
Coral Reef Ecology and Diversity Conservation submission deadline 31 Jan 2026 | Viewed by 43 | Submission Open
Keywords: coral reefs; mesophotic coral ecosystems; climate change; policy and management; cryptic biodiversity; unique habitats; taxonomic impediments; ecosystem services; natural infrastructure
(This special issue belongs to the Section Biodiversity Conservation)
Spatial and Temporal Studies in Marine Protected Areas: Mexican Chapter—2nd Edition submission deadline 31 Jan 2026 | Viewed by 15 | Submission Open
Keywords: marine protected areas; Ramsar sites; islands; wetlands; climate change; ocean warming; Gulf of California; California current system; Mexican Pacific; Gulf of Mexico
(This special issue belongs to the Section Marine Diversity)
Undersea Refuges: Functional Ecology and Biodiversity of Coral Reef Ecosystems submission deadline 10 Feb 2026 | Viewed by 30 | Submission Open
Keywords: coral; biodiversity; ecology
(This special issue belongs to the Section Marine Diversity)
Advances in Hymenoptera Diversity and Biology
edited by Jiao Tang and
submission deadline 15 Feb 2026 | 1 articles | Viewed by 434 | Submission Open
Keywords: Hymenoptera; diversity; biology; genetic diversity; conservation; biotechnological approaches
Apoidea Biology, Evolution and Management
edited by Daniel M. Sánchez and Jovani Ruiz-Toledo
submission deadline 15 Feb 2026 | Viewed by 228 | Submission Open
Keywords: Apoidea; bees; evolution and biology; systematics; ecology; conservation; pollination; integrated pest management (IPM); phylogenetics; applied entomology
(This special issue belongs to the Section Animal Diversity)
Montane Ecosystems and Diversity—2nd Edition
edited by
submission deadline 15 Feb 2026 | Viewed by 73 | Submission Open
Keywords: mountain biodiversity; climate change; altitudinal gradients; refugia; conservation; ecosystem services; endemism; genetic diversity; biological invasions and other threats
(This special issue belongs to the Section Biodiversity Conservation)
Challenges for Hymenoptera in the Anthropocene
edited by and
submission deadline 24 Feb 2026 | Viewed by 285 | Submission Open
Keywords: Hymenoptera; Anthropocene; environmental change; intrinsic factors; adaptive mechanisms; conservation strategies
Emerging Effects of Pollinator Loss on Biodiversity submission deadline 28 Feb 2026 | 4 articles | Viewed by 13131 | Submission Open
Keywords: pollination and pollinator communities; insect conservation; pollination ecology; plant– pollinator interactions; plant– pollinator networks; Hymenoptera; Lepidoptera; Diptera
(This special issue belongs to the Section Plant Diversity)
Wetland Biodiversity and Ecosystem Conservation
edited by , Yaolin Guo, Youzheng Zhang and Weihua Guo
submission deadline 28 Feb 2026 | 5 articles | Viewed by 2382 | Submission Open
Keywords: wetland biodiversity; ecosystem conservation; global change biology; anthropogenic disturbance; biological invasion
(This special issue belongs to the Section Biodiversity Conservation)
Diversity and Ecology of Freshwater Plankton submission deadline 28 Feb 2026 | 3 articles | Viewed by 1595 | Submission Open
Keywords: algae; zooplankton; community composition; biodiversity and conservation; population and community ecology; indicator species; aquatic food webs; environmental monitoring
(This special issue belongs to the Section Freshwater Biodiversity)
Paleohistological Studies in Marine Vertebrates: Evolution, Adaptation, and Microstructural Diversity
edited by and Caro Acosta Hospitaleche
submission deadline 28 Feb 2026 | Viewed by 88 | Submission Open
Keywords: histology; osteohistology; bone microstructure; marine vertebrates
(This special issue belongs to the Section Phylogeny and Evolution)
Evolution, Development, and Diversification of Vertebrates, Part 2: Patterning and Mechanisms of Morphogenesis
edited by
submission deadline 28 Feb 2026 | Viewed by 77 | Submission Open
Keywords: vertebrates; morphological disparity; EvoDevo; phylogeny; patterning; neural crest; differentiation; embryo; placodes; skeleton; sensory systems; organogenesis; integration
(This special issue belongs to the Section Phylogeny and Evolution)
Canopy Ecology—Biodiversity, Functions, and Conservation submission deadline 28 Feb 2026 | Viewed by 73 | Submission Open
Keywords: arboreal ecosystems; epiphytes; vertical stratification; canopy– atmosphere interactions; treetop conservation
(This special issue belongs to the Section Plant Diversity)
Invasive Species in Freshwater Ecosystems in the Americas
edited by and S.s.s. Sarma
submission deadline 28 Feb 2026 | Viewed by 18 | Submission Open
Keywords: freshwater invasive species; aquatic biodiversity in the Americas; invasion ecology; biosecurity management; socio-ecological impacts
(This special issue belongs to the Section Freshwater Biodiversity)
Microbial Community Dynamics and Ecological Functions in Wetlands
edited by and Xia Yuan
submission deadline 28 Feb 2026 | Viewed by 7 | Submission Open
Keywords: wetland ecosystems; microbial ecology; community diversity; population dynamics; biogeochemical cycling; microbial adaptation; ecosystem functioning; emerging contaminants; mixed contaminant effects; ecotoxicology; ecosystem resilience; wetland conservation
(This special issue belongs to the Section Microbial Diversity and Culture Collections)
Microbial Diversity and Function Exploration in Oilfield Ecosystems and Petroleum-Contaminated Environments
edited by Yanling Ma
submission deadline 28 Feb 2026 | Submission Open
Keywords: oil sludge; illumina MiSeq sequencing; microbial community/diversity; 16S rRNA gene; multi-omics analysis
(This special issue belongs to the Section Microbial Diversity and Culture Collections)
Geohazards and Ecosystem Resilience
edited by Felix Kwabena Donkor
submission deadline 15 Mar 2026 | Viewed by 47 | Submission Open
Keywords: ecosystem services; geological hazards; disaster risk; environmental sustainability; SDGs; natural hazards; ecological integrity; climate change adaptation; disaster resilience; ecosystem regeneration
(This special issue belongs to the Section Biodiversity Conservation)
Threats and Challenges for the Study and Conservation of Freshwater Zooplankton Biodiversity
edited by and Claudia Bonecker
submission deadline 30 Mar 2026 | Viewed by 65 | Submission Open
Keywords: cladocerans; rotifers; copepods; plankton; freshwater environments; biodiversity; conservation
(This special issue belongs to the Section Freshwater Biodiversity)
Diversity and Biogeography of Crustaceans in Continental Waters submission deadline 31 Mar 2026 | 5 articles | Viewed by 11035 | Submission Open
Keywords: freshwater crustacea; brackish-water crustacea; taxonomy; phylogeny; ecology; biogeography
(This special issue belongs to the Section Freshwater Biodiversity)
Conflict and Coexistence Between Humans and Wildlife
edited by
submission deadline 31 Mar 2026 | 6 articles | Viewed by 9167 | Submission Open
Keywords: wildlife conservation; human– wildlife conflicts; population dynamics; mitigation strategies
(This special issue belongs to the Section Biodiversity Loss & Dynamics)
Diversity and Ecology of Termites
edited by , Robin Casalla Daza, Olga P. Pinzón and Ervin Humprey Duran-Bautista
submission deadline 31 Mar 2026 | 3 articles | Viewed by 6081 | Submission Open
Keywords: diversity; niche and ecological functions; evolution of eusociality; caste development; systematics; microbe interactions in termites of different feeding guilds; population dynamics; habitat degradation; interaction with termitophiles and inquilines; impacts of termite activity on soil formation and properties
(This special issue belongs to the Section Animal Diversity)
Functional and Taxonomic Plant Diversity: Applications for Ecological Monitoring and Management
edited by
submission deadline 31 Mar 2026 | 1 articles | Viewed by 364 | Submission Open
Keywords: functional diversity; ecosystem functioning; plant diversity; biodiversity monitoring; conservation planning
(This special issue belongs to the Section Plant Diversity)
Advancing the Research and Conservation of the Estuarine and Coastal Ecosystems of California and Baja California
edited by and
submission deadline 31 Mar 2026 | Viewed by 51 | Submission Open
Keywords: estuarine ecosystems; estuaries; coastal lagoons; tidal habitats; biology; ecology; conservation; management; physical oceanography; chemical oceanography; biological oceanography
Microbial Diversity in Different Environments
edited by
submission deadline 31 Mar 2026 | Viewed by 45 | Submission Open
Keywords: MIcrobial; forest; soil; wetland; diversity
Avian Diversity in Forest and Grassland—2nd Edition
edited by
submission deadline 31 Mar 2026 | Viewed by 41 | Submission Open
Keywords: avian community; avian diversity; environmental changes; forest fragmentation; population density and dynamics; conservation of forest birds; nest box studies; effect of habitat; structure and floral composition; urbanized versus natural woodlands; natural versus cultivated forests
Cryptic Diversity in Animals at Genetical, Morphological, and Ecological Levels
edited by Manuel Ruiz-García
submission deadline 31 Mar 2026 | Viewed by 35 | Submission Open
Keywords: animals; chromosomal diversity; DNA diversity; protein diversity; morphological and morphometry diversity; taxonomy diversity; ecological diversity
(This special issue belongs to the Section Animal Diversity)
Mammalian Diversity and Life-History Responses to Climate Change
edited by and Daniel William Hart
submission deadline 31 Mar 2026 | Viewed by 22 | Submission Open
Keywords: climate change; thermal extremes; life history traits; physiological plasticity; behavioural adaptation; predictive modelling; species resilience; biodiversity forecasting
Parasites and Vectors: Diversity and Ecological Interactions submission deadline 15 Apr 2026 | Viewed by 76 | Submission Open
Keywords: biodiversity; vector-borne diseases; host– parasite interactions; parasitic zoonoses; ecology; epidemiology; disease transmission; vector competence; emerging parasitic diseases; taxonomy and systematics
Ecology and Diversity of Soil Microbial Communities in an Era of Global Change
edited by , , Khoi Nghia Nguyen and
submission deadline 20 Apr 2026 | 1 articles | Viewed by 690 | Submission Open
Keywords: microbial diversity; microbial dominance; stress index; soil functions; land-use; climate change; multi-omics
(This special issue belongs to the Section Microbial Diversity and Culture Collections)
Pseudomonas Biology and Biodiversity
edited by
submission deadline 30 Apr 2026 | 4 articles | Viewed by 23538 | Submission Open
Keywords: Pseudomonas; biodiversity; omic technologies; community structure; phylogenomics; metagenomics; biotechnological applications
(This special issue belongs to the Section Microbial Diversity and Culture Collections)
Anthropogenic Impacts on Marine Ecosystems: A Biodiversity Conservation Emergency submission deadline 30 Apr 2026 | 4 articles | Viewed by 7521 | Submission Open
Keywords:   marine pollution;   anthropogenic impacts;   marine biodiversity;   conservation threats;   plastic pollution;   heavy metals and trace elements;   acoustic pollution
(This special issue belongs to the Section Biodiversity Conservation)
Climate Change and Forest Biodiversity: Impacts and Strategies for Conservation
edited by
submission deadline 30 Apr 2026 | 1 articles | Viewed by 1333 | Submission Open
Keywords: climate change; biodiversity conservation; forest ecosystem assessment; ecosystem service; human-wildlife conflicts
(This special issue belongs to the Section Biodiversity Conservation)
Systematics, Evolution and Diversity in Ants
edited by Fernando Fernández and Roberto José Guerrero
submission deadline 30 Apr 2026 | 1 articles | Viewed by 1040 | Submission Open
Keywords: ants; systematics; phylogeny; diversity; biogeography
(This special issue belongs to the Section Animal Diversity)
Plant Communities in Transition: Succession, Diversity, and Ecosystem Dynamics
edited by
submission deadline 30 Apr 2026 | 1 articles | Viewed by 158 | Submission Open
Keywords: vegetation dynamics; succession; mosaic cycles; gap dynamics; cohort dynamics; colonization; propagule dispersal pathways; species turnover; ecosystem functioning; conservation; natural regeneration
(This special issue belongs to the Section Plant Diversity)
Coastal Aquaculture for Climate and Biodiversity Resilience: The Role of Macroalgae and Bivalves
edited by Pablo P. Leal
submission deadline 30 Apr 2026 | Viewed by 73 | Submission Open
Keywords: nature-based solutions; marine farming; coastal conservation; biodiversity protection
(This special issue belongs to the Section Marine Diversity)
Biodiversity Under Pressure: Vertebrates Diversity, Function and Conservation in Human-Modified Landscapes
edited by and Romina Ghirardi
submission deadline 30 Apr 2026 | Viewed by 58 | Submission Open
Keywords: vertebrate diversity; anthropogenic impact; ecological function; conservation; bioindicators; environmental stressors; landscape changes
Plant Adaptation and Survival Under Global Environmental Change
edited by
submission deadline 30 Apr 2026 | Viewed by 53 | Submission Open
Keywords: plant adaptation; climate resilience; ecological evolution; species distributions; vegetation shifts; conservation genomics; climatic selection
(This special issue belongs to the Section Biogeography and Macroecology)
Insect Diversity: Morphology, Paleontology, and Biogeography
edited by Cecilia Waichert, and Celso Oliveira Azevedo
submission deadline 30 Apr 2026 | Viewed by 26 | Submission Open
Keywords: functional morphology; palaeoentomology; paleoecology; phylogenetics; species distribution
(This special issue belongs to the Section Animal Diversity)
Biodiversity and Ecology of Soil Fungal Communities—2nd Edition
edited by
submission deadline 30 Apr 2026 | Viewed by 17 | Submission Open
Keywords: fungal diversity; new species; new taxon; ecological function; soil community
Biodiversity, Ecology and Conservation of Lepidoptera
edited by
submission deadline 10 May 2026 | 4 articles | Viewed by 7581 | Submission Open
Keywords: Lepidoptera; ecology; distribution; biodiversity; nature protection; conservation
(This special issue belongs to the Section Biodiversity Conservation)
Marine Nearshore Biodiversity—2nd Edition
edited by
submission deadline 20 May 2026 | 2 articles | Viewed by 5000 | Submission Open
Keywords: biogeography; oceanography; range shifts; coastal; distributions; community ecology
(This special issue belongs to the Section Marine Diversity)
Biogeography, Ecology and Conservation of Reptiles
edited by and
submission deadline 30 May 2026 | 3 articles | Viewed by 2521 | Submission Open
Keywords: reptiles; ecology; evolution; conservation
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