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Diversity
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Tropical Aquatic Biodiversity
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Tropical Aquatic Biodiversity

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Freshwater Biodiversity".

Deadline for manuscript submissions: 1 November 2025 | Viewed by 1513

Special Issue Editors

Dr. Lenize Batista Calvão

E-Mail Website
Guest Editor
Postgraduate Program in Ecology (PPGECO), Institute of Biological Sciences (ICB), Federal University of Pará (UFPA), Augusto Correia, Number 1, Guamá, Belém 66075-110, Brazil
Interests: community ecology; biodiversity and enviromental monitoring; bioindicators, human activities, streams, odonata ecology
Dr. José Max Oliveira-Junior

E-Mail Website
Guest Editor
Environmental Impact Studies Laboratory (LEIA), Institute of Water Sciences and Technology (ICTA), Federal University of Western Pará (UFOPA), Vera Paz Street, n/a (Tapajós Unit) Salé District, Santarém 68040-255, PA, Brazil
Interests: community ecology; biodiversity and enviromental monitoring; bioindicators, human activities, streams, odonata ecology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Tropical aquatic systems and their biodiversity are threatened by several anthropogenic activities. In this challenging scenario, to know tropical diversity, evaluating and monitoring different aquatic systems and identify bioindicator species becomes essential to make manegement/conservation measures and develop public policies more effective. This Special Issue will focus on tropical aquatic biodiversity and its distribution with implications for biomonitoring, management and conservation. Authors are encouraged to submit their manuscripts on the following topics:

  • Tropical ecology and species diversity
  • Effects of anthropic activities on aquatic systems and diversity/distribution of tropical aquatic species.
  • Biomonitoring, management and conservation of tropical aquatic systems and their species.
  • Studies of bioindicator species in tropical aquatic systems.

Dr. Lenize Batista Calvão
Dr. José Max Oliveira-Junior
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Diversity is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • tropical rivers, streams, ponds, lake
  • tropical species diversity
  • tropical ecology
  • habitat integrity
  • anthropogenic impact
  • land use
  • biomonitoring
  • bioindicators
  • conservation

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Published Papers (3 papers)

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Research

15 pages, 7730 KiB  
Article
The Importance of Different Biomes (Atlantic Forest, Cerrado, and Caatinga) in the Regional Structuring of Neotropical Dragonfly Assemblages
by Karolina Teixeira, Acácio de Sá Santos, Diogo Silva Vilela, Cíntia Ribeiro and Marciel Elio Rodrigues
Diversity 2025, 17(5), 345; https://doi.org/10.3390/d17050345 - 14 May 2025
Viewed by 230
Abstract
Understanding how assemblages are structured is important for ecology, especially in tropical regions that exhibit high biodiversity and are currently experiencing high rates of loss and modification of natural environments caused by anthropogenic impacts. Understanding the structuring of assemblages across different regions at [...] Read more.
Understanding how assemblages are structured is important for ecology, especially in tropical regions that exhibit high biodiversity and are currently experiencing high rates of loss and modification of natural environments caused by anthropogenic impacts. Understanding the structuring of assemblages across different regions at different spatial scales allows us to comprehend how environmental modifications can affect biodiversity on a local and regional scale. The objective of this study was to evaluate the biodiversity of Odonata species using taxonomic diversity metrics (richness and composition) in areas of Cerrado, Atlantic Forest, and Caatinga and to evaluate which sets of local and spatial environmental variables are associated with these assemblages among the different areas evaluated. The study was conducted in the state of Bahia, where 49 streams were sampled, including 17 in the Atlantic Forest, 18 in the Caatinga, and 15 in the Cerrado. Our results demonstrate a high diversity of Odonata species, with 95 species collected. We found a similar species richness among the regions sampled. However, each region presented a distinct composition, with greater similarity between the Cerrado and the Caatinga. Spatial predictors along with some environmental variables were associated with the Caatinga and Cerrado. Some environmental variables, such as the amount of riparian vegetation and aquatic vegetation, were associated with the Cerrado. The results highlighted that each of the evaluated regions are fundamental for maintaining and conserving the regional dragonfly biodiversity. The lack of conservation of aquatic ecosystems in the different regions leads to local species loss and, consequently, to a loss of regional Odonata biodiversity. Full article
(This article belongs to the Special Issue Tropical Aquatic Biodiversity)
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14 pages, 2964 KiB  
Article
Integrated Taxonomic Analysis of Biomphalaria (Hygrophila: Planorbidae) from the Brazilian Amazon
by Larissa de Souza Barros, Anderson Costa Silva, Jéssica Aires dos Santos, Ayla Monique Santos da Silva, Andressa Teixeira Ramos, Bruno Braulino Batista, Lincoln Lima Corrêa and Sheyla Regina Marques Couceiro
Diversity 2025, 17(4), 227; https://doi.org/10.3390/d17040227 - 25 Mar 2025
Viewed by 295
Abstract
Identification of individuals of Biomphalaria is a challenging task, since morphological aspects alone are not sufficient to distinguish between species, which share many similar characteristics. However, the accurate identification of species of Biomphalaria is crucial for monitoring of schistosomiasis, since these species are [...] Read more.
Identification of individuals of Biomphalaria is a challenging task, since morphological aspects alone are not sufficient to distinguish between species, which share many similar characteristics. However, the accurate identification of species of Biomphalaria is crucial for monitoring of schistosomiasis, since these species are intermediate hosts of the parasite Schistosoma mansoni, which causes the disease, which is prevalent in the north region of Brazil. In this context, the objective of this study was to identify specimens of Biomphalaria that occur in Mapiri Lake, in the lower Amazon region, in Santarém, Pará, Brazil. An integrated approach was used for identification of specimens of Biomphalaria, which included embryological and morphological analyses (comparison of diagnostic characteristics between species of the genus), as well as molecular assays using the Sanger sequencing method with dideoxy chain termination, as a method to reinforce the precision of species identification. The results establish the first record of B. amazonica in the state of Pará. This species has a development cycle consistent with that observed for other species of the genus Biomphalaria but possesses morphological characteristics that make accurate identification at the species level difficult, which reinforces the need for the molecular analyses. The first record of B. amazonica in the state of Pará in this study enlarges the distribution area of this species in Brazil, which demonstrates the importance of research focused on the identification of species of Amazonian mollusks as an auxiliary tool that can be used to combat schistosomiasis. Full article
(This article belongs to the Special Issue Tropical Aquatic Biodiversity)
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13 pages, 3640 KiB  
Article
Rotifera of the Peruvian Andes: New Records and Insights
by Maciej Karpowicz, Jolanta Ejsmont-Karabin, Elian Rojas-Baez, María José Pardo and Carlos López
Diversity 2025, 17(3), 217; https://doi.org/10.3390/d17030217 - 18 Mar 2025
Viewed by 454
Abstract
The Rotifera fauna of the Peruvian Andes remains significantly understudied, as evidenced by our findings from a limited sampling effort of 18 locations (15 samples from the Cusco region and three samples from Lake Titicaca). We identified 12 Monogononta and three species of [...] Read more.
The Rotifera fauna of the Peruvian Andes remains significantly understudied, as evidenced by our findings from a limited sampling effort of 18 locations (15 samples from the Cusco region and three samples from Lake Titicaca). We identified 12 Monogononta and three species of Bdelloidea as potential new records for Peru, underscoring the region’s remarkable but largely unexplored biodiversity. Particularly notable is the addition of seven potentially new records to Peru’s fauna in Lake Titicaca based on only three samples, despite the well-documented zooplankton research history in this lake. This emphasizes the need for more comprehensive studies targeting the Rotifera fauna of Lake Titicaca, especially in littoral zones rich in microhabitats. Besides Lake Titicaca, our investigation mainly focused on high-altitude and groundwater-dependent habitats in the high Peruvian Andes in the Cusco region, where the Rotifera fauna had not been studied. Among the species identified there, five Monogononta and three Bdelloidea likely represent new records for Peru. These findings highlight the extent of unexplored biodiversity and emphasize the urgent need for more comprehensive taxonomy studies of Rotifera in Peru. Additionally, our research has identified two records new to the Neotropics: Notommata voigti and Macrotrachela musculosa. Full article
(This article belongs to the Special Issue Tropical Aquatic Biodiversity)
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