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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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Advances in Freshwater Mollusk Research

edited by

Ioan Sîrbu

Simone Varandas

and

Martin Österling

submission deadline 30 May 2026 | 9 articles | Viewed by 19172 | Submission Open

Keywords: freshwater mollusks (gastropods; bivalves); biodiversity; community ecology; biogeography; functional traits; invasive species; human impact; multivariate methods; bioindication; conservation; management; ecological modeling

(This special issue belongs to the Section Freshwater Biodiversity)

Biogeography, Ecology and Conservation of Reptiles

edited by

Roger Meek

and

Luca Luiselli

submission deadline 30 May 2026 | 6 articles | Viewed by 6156 | Submission Open

Keywords: reptiles; ecology; evolution; conservation

Microbiome Dynamics and Ecological Mechanisms Under Urbanization and Climate Change

edited by

Fumito Maruyama

and Yue Yin

submission deadline 30 May 2026 | Viewed by 218 | Submission Open

Keywords: microbial diversity; microbiome function; climate change; urban ecosystems; ecophysiological mechanisms

Biodiversity in Wetlands: Monitoring, Assessment, and Conservation Through Remote Sensing

edited by

Zhiguo Dou

, Zhaogang Liu and

Xiyong Hou

submission deadline 30 May 2026 | Viewed by 159 | Submission Open

Keywords: wetland ecosystem ; remote sensing ; conservation management ; diversity ; modeling

Applications on Environmental DNA in Aquatic Ecology and Biodiversity

edited by

Yahui Zhao

and Yingchun Xing

submission deadline 31 May 2026 | 7 articles | Viewed by 14054 | Submission Open

Keywords: environmental DNA; eDNA; biomonitoring; fish; conservation; biodiversity

Tropical Aquatic Biodiversity

edited by Lenize Batista Calvão and

José Max Oliveira-Junior

submission deadline 31 May 2026 | 4 articles | Viewed by 6957 | Submission Open

Keywords: tropical rivers; streams; ponds; lake; tropical species diversity; tropical ecology; habitat integrity; anthropogenic impact; land use; biomonitoring; bioindicators; conservation

(This special issue belongs to the Section Freshwater Biodiversity)

Diversity and Evolution of Hemiptera

edited by

Artur Taszakowski

and

Łukasz Depa

submission deadline 31 May 2026 | 2 articles | Viewed by 3819 | Submission Open

Keywords: phylogeography; mutualism; reproduction; selection; adaptation

Diversity, Ecology, and Conservation of Mites

edited by

Agnieszka Napierała

submission deadline 31 May 2026 | 4 articles | Viewed by 2921 | Submission Open

Keywords: mite diversity; ecology and functions; conservation efforts; global threats; systematics research

(This special issue belongs to the Section Animal Diversity)

Scorpion Ecology and Biodiversity

edited by André F. A. Lira and

Salah Eddine Sadine

submission deadline 31 May 2026 | Viewed by 929 | Submission Open

Keywords: scorpion biodiversity; scorpion ecology; arachnid evolution; venom adaptation; extreme environment adaptation; phylogenetic systematics; predator– prey dynamics; conservation biogeography; anthropogenic threats; ecological niche modeling

(This special issue belongs to the Section Animal Diversity)

Genetic Diversity, Breeding and Adaption Evolution of Plants

edited by Qiuyue Chen

submission deadline 31 May 2026 | 3 articles | Viewed by 916 | Submission Open

Keywords: genetic diversity; plant breeding; evolution

(This special issue belongs to the Section Plant Diversity)

Ecology of Plant-Pollinators Interactions

edited by

Hui Wang

submission deadline 31 May 2026 | 1 articles | Viewed by 558 | Submission Open

Keywords: pollinator; flowering plant; interaction; pollen transfer; pollination service; biodiversity; reproduction succcess; evolution; taxonomy; pollination network; global changes

(This special issue belongs to the Section Plant Diversity)

Ecology and Evolution of Primates—Sensory Systems

edited by Tesla A Monson and Carrie Veilleux

submission deadline 31 May 2026 | Viewed by 210 | Submission Open

Keywords: ecology; evolution; primates

Orchids in a Changing World: Diversity, Ecological Adaptations, and Conservation Strategies

edited by

Antonio De Agostini

and

Pierluigi Cortis

submission deadline 31 May 2026 | Viewed by 194 | Submission Open

Keywords: orchid biodiversity; orchid– mycorrhizal symbioses; adaptation to environmental change and habitat disturbance; chemical ecology and secondary metabolites; conservation strategies

(This special issue belongs to the Section Plant Diversity)

Integrative Systematics and Evolution of Collembola

edited by

Nerivânia Godeiro

Bruno Bellini

and Nikolas G. Cipola

submission deadline 31 May 2026 | Viewed by 172 | Submission Open

Keywords: phylogenomic analysis; integrative systematics; springtails; evolution; speciation; genomics

Diversity, Evolution, and Conservation Genomics of Bambusoideae in Asia

edited by

Yuxiao Zhang

and

Yong-Bi Fu

submission deadline 31 May 2026 | Viewed by 122 | Submission Open

Keywords: species diversity and distribution; integrative taxonomy; molecular phylogeny; phylogenomics; evolutionary biology; genetic diversity; conservation genomics

(This special issue belongs to the Section Plant Diversity)

Ecological Interactions and Biodiversity Conservation of Saproxylic Insect Communities

edited by

Teresa Bonacci

submission deadline 31 May 2026 | Viewed by 114 | Submission Open

Keywords: forest; insects; bioindicators; communities; dead wood; pressures

(This special issue belongs to the Section Biodiversity Conservation)

Systematics and Conservation Concerns of Fishes in Continental Waters

edited by Luisa Sarmento-Soares

submission deadline 31 May 2026 | Viewed by 103 | Submission Open

Keywords: freshwater ecosystems; biodiversity conservation; biogeography and phylogeography; climate change resilience; estuarine dynamics

(This special issue belongs to the Section Freshwater Biodiversity)

Coral Reef Resilience in a Warming Ocean

edited by

Douglas Fenner

submission deadline 31 May 2026 | Viewed by 101 | Submission Open

Keywords: coral reefs; warming ocean; biodiversity; conservation

(This special issue belongs to the Section Marine Diversity)

Ecological Adaptations and Evolutionary Significance of Fungal Diversity

edited by Jair Putzke and

Tine Grebenc

submission deadline 31 May 2026 | Viewed by 96 | Submission Open

Keywords: fungi; diversity; evolution

(This special issue belongs to the Section Microbial Diversity and Culture Collections)

Freshwater Turtles in Anthropogenic Landscapes

edited by Ivana Mali

submission deadline 1 Jun 2026 | Viewed by 154 | Submission Open

Keywords: turtle conservation; anthropogenic impacts; population ecology; longevity and demography; habitat alteration

(This special issue belongs to the Section Freshwater Biodiversity)

Antioxidant Peptides from Marine Organisms: Structural Insights, Functional Mechanisms, and Sustainable Applications

edited by Changfeng Chi

submission deadline 1 Jun 2026 | Viewed by 127 | Submission Open

Keywords: marine peptides; antioxidant activity; structure identification; structural modification; bioactivity and function; structure– function relationship; functional foods; biodiversity; organismic diversity and diversity preservation; genetic diversity

(This special issue belongs to the Section Marine Diversity)

Marine Ecosystem Functioning and Food Webs under Climate Change

edited by

Anna-Maria Vafeiadou

submission deadline 15 Jun 2026 | 3 articles | Viewed by 8859 | Submission Open

Keywords: trophic interactions; food webs; marine ecosystems; climate change; energy dynamics; ecosystem functions

(This special issue belongs to the Section Marine Diversity)

Conservation of Endangered Animal Biodiversity from Genetic and Genomic Perspectives

edited by Minh Duc Le

submission deadline 15 Jun 2026 | 1 articles | Viewed by 787 | Submission Open

Keywords: genetics ; genomics; conservation genetics; endangered species; conservation measures ; extinction risks

(This special issue belongs to the Section Animal Diversity)

Diversity, Spread, Monitoring, and Modelling of Invasive Pests Under Climate Change

edited by

Honest Machekano

submission deadline 15 Jun 2026 | Viewed by 190 | Submission Open

Keywords: climate change; invasive pests; pest management; ecological monitoring; pest spread; modelling; biodiversity loss; agriculture; climate impacts; biosecurity

(This special issue belongs to the Section Biodiversity Conservation)

Eco-Physiology of Shallow Benthic Communities

edited by

Alma Paola Rodríguez-Troncoso

submission deadline 20 Jun 2026 | 4 articles | Viewed by 6903 | Submission Open

Keywords: eco-physiology; ecosystem rehabilitation; functional ecology

Impacts of Environmental Change on Marine Biodiversity

edited by

Valentina Costa

submission deadline 25 Jun 2026 | Viewed by 148 | Submission Open

Keywords: marine; biodiversity; environmental change; ocean acidification; resilience

(This special issue belongs to the Section Marine Diversity)

Diversity and Taxonomy of Scarabaeoidea

edited by

Frank-Thorsten Krell

submission deadline 30 Jun 2026 | 1 articles | Viewed by 2543 | Submission Open

Keywords: Scarabaeoidea; beetle; species diversity

(This special issue belongs to the Section Animal Diversity)

Ecology and Restoration of Grassland—2nd Edition

edited by

Xiaowei Guo

submission deadline 30 Jun 2026 | 3 articles | Viewed by 2430 | Submission Open

Keywords: grasslands; ecosystem degradation; biodiversity conservation; soil– microbial interactions; restoration techniques; ecosystem multifunctionality; climate change; ecohydrological processes; remote sensing monitoring

(This special issue belongs to the Section Plant Diversity)

Arachnida Diversity and Conservation

edited by

André Felipe de Araujo Lira

and

Ana Lucia Tourinho

submission deadline 30 Jun 2026 | 2 articles | Viewed by 1594 | Submission Open

Keywords: arachnida; conservation; ecology; climate change; biogeography; diversity

(This special issue belongs to the Section Animal Diversity)

Genetic and Morphological Diversity of Marine Fish Populations

edited by

Maria Hristova Yankova

and

Andrew Brooks

submission deadline 30 Jun 2026 | 1 articles | Viewed by 1020 | Submission Open

Keywords: marine fishes; genetic diversity; phenotypic plasticity; population connectivity; functional morphology

(This special issue belongs to the Section Marine Diversity)

Ethnobotany and Plant Diversity: Conservation and Sustainable Use

edited by

Surapon Saensouk

submission deadline 30 Jun 2026 | 1 articles | Viewed by 924 | Submission Open

Keywords: ethnobotany; plant diversity; plant taxonomy; conservation status; sustainable use; plant cytogenetics; palynology; plant anatomy; phytogeography; plant tissue culture; phytochemistry; genetic diversity and molecular study; morphological and molecular taxonomy

(This special issue belongs to the Section Plant Diversity)

The Ecological Functions of Algae in a Changing World: From Fundamentals to Applications

edited by

Yulei Zhang

and

Liang Chen

submission deadline 30 Jun 2026 | 1 articles | Viewed by 716 | Submission Open

Keywords: algal diversity; climate stress; extreme-event responses; diversity-ecosystem service; extreme-event modeling; functional trait redundancy; algae-based resilience

(This special issue belongs to the Section Biodiversity Conservation)

Diversity of Aquatic Insects

edited by

Lucas Ramos Costa Lima

, Rafael Boldrini, Paulo Cruz and Rodolfo Mariano

submission deadline 30 Jun 2026 | Viewed by 293 | Submission Open

Keywords: aquatic insects; genetic diversity; morphological adaptation; phylogeography; conservation; behavior

Diversity as the Cornerstone for Ecology, Conservation, and Co-Viability on Earth

edited by

Tim Mullet

and

Almo Farina

submission deadline 30 Jun 2026 | Viewed by 181 | Submission Open

Keywords: biodiversity; conservation; co-viability; human-nature interdependence; relational ecology

The Ecological, Evolutionary and Biogeographical Histories That Genetic and Phylogenetic Studies of Cacti Reveal

edited by

Sofia Solórzano

and Sandra Luz Gomez-Acevedo

submission deadline 30 Jun 2026 | Viewed by 162 | Submission Open

Keywords: cactus; arid ecosystems; phylogenomics; comparative genomics; plant– insect interactions; ecology of cactus; conservation of cactus; gene expression; cactus flowers; chromosomal evolution

(This special issue belongs to the Section Plant Diversity)

Plant Diversity Discovery and Resource Utilization

edited by Feifei Li and

Giovanni Bacaro

submission deadline 30 Jun 2026 | Viewed by 127 | Submission Open

Keywords: plant diversity; utilization; economic plants; phytochemical

(This special issue belongs to the Section Plant Diversity)

Interrelations and Adaptations of Benthic Macroinvertebrates and Benthic Algae

edited by

Ana Savić

and Dejan Dmitrović

submission deadline 30 Jun 2026 | Viewed by 117 | Submission Open

Keywords: ecology; interrelations; adaptation; benthic macroinvertebrates; benthic algae

Diversity and Ecology of Decapoda

edited by Fabrício Carvalho and

Erminda da Conceição Guerreiro Couto

submission deadline 30 Jun 2026 | Viewed by 110 | Submission Open

Keywords: functional morphology; population biology; species distribution; systematics and taxonomy; trophic ecology; biogeography; conservation biology

(This special issue belongs to the Section Marine Diversity)

Insects in Tropical and Subtropical Ecosystems

edited by Cristiano Agra Iserhard

submission deadline 30 Jun 2026 | Viewed by 103 | Submission Open

Keywords: anthropocene; conservation; diversity; ecological interactions; insect ecology; monitoring

(This special issue belongs to the Section Animal Diversity)

Species and Functional Diversity of Marine Plankton Communities Under Climate Change

edited by Jiaxing Liu and Jiajun Li

submission deadline 30 Jun 2026 | Viewed by 78 | Submission Open

Keywords: marine plankton; climate variability; extreme events; human impacts; biodiversity and ecosystem function

(This special issue belongs to the Section Marine Diversity)

Advances and Future Perspectives in Molecular Biology and Genetic Diversity of Economic Plants

edited by

Ou Sheng

submission deadline 30 Jun 2026 | Viewed by 72 | Submission Open

Keywords: molecular breeding; genetic diversity and evaluation; omics technologies; sustainable agriculture

(This special issue belongs to the Section Plant Diversity)

Diversity and Phylogeny of Basidiomycota

edited by

Renato Lúcio Mendes-Alvarenga

and

Chang-Lin Zhao

submission deadline 30 Jun 2026 | Viewed by 61 | Submission Open

Keywords: diversity ; morphological traits ; polyphasic approach ; evolution history ; Basidiomycota ; Agaricomycotina; Wallemiomycotina ; Ustilaginomycotina; Pucciniomycotina

(This special issue belongs to the Section Microbial Diversity and Culture Collections)

Plant Diversity on Islands—2nd Edition

edited by

Maria Panitsa

and

Kostas Kougioumoutzis

submission deadline 1 Jul 2026 | 1 articles | Viewed by 1047 | Submission Open

Keywords: island plant; island flora; floristic diversity; species richness; endemism; spatial patterns; spatial turnover; temporal turnover; island specialist taxa; beta diversity; oceanic islands; land bridge; continental island; habitat island

(This special issue belongs to the Section Plant Diversity)

Unraveling Marine Biodiversity Through Advanced Chemical Analysis

edited by

Pere Ferriol

submission deadline 1 Jul 2026 | Viewed by 198 | Submission Open

Keywords: marine biodiversity; chemical ecology; species interactions; ecosystem functioning; symbiosis; natural products; environmental stress; conservation; chemodiversity; chemical communication; metabolic fingerprinting; bioprospecting; biosensors

Diversity, Biogeography, Fossil Record and Evolution of Bivalvia

edited by

Jasenka Sremac

and Marija Bošnjak

submission deadline 15 Jul 2026 | 2 articles | Viewed by 4648 | Submission Open

Keywords: bivalves; biodiversity; taxonomy; habitats; symbionts; evolution; bivalve extinctions; survivors; invasive taxa

(This special issue belongs to the Section Phylogeny and Evolution)

Seabird Populations Under Global Change

edited by

Georgios Karris

and

Vasilios Liordos

submission deadline 30 Jul 2026 | Viewed by 105 | Submission Open

(This special issue belongs to the Section Biodiversity Loss & Dynamics)

Coral Reef Biodiversity Conservation and Ecological Rehabilitation

edited by Xinming Lei and Wentao Niu

submission deadline 31 Jul 2026 | 3 articles | Viewed by 9274 | Submission Open

Keywords: coral reefs; biodiversity; restoration; rehabilitation; ecosystem

(This special issue belongs to the Section Biodiversity Conservation)

Marine Resources Dynamics Under Global Change

edited by

Francisco Leitão

and

Catarina Vinagre

submission deadline 31 Jul 2026 | 2 articles | Viewed by 4585 | Submission Open

Keywords: climate change; environmental variability; marine coastal systems; marine communities; fishery resources; species resilience; impact of extreme climatic events

Ecology and Conservation of Freshwater Mollusks

edited by Joaquim Reis

submission deadline 31 Jul 2026 | 2 articles | Viewed by 3033 | Submission Open

Keywords: freshwater bivalves and gastropods; invasive species; endemism; conservation; life cycle; endangered species; ecological requirements; ecosystem; rivers and streams; lakes

(This special issue belongs to the Section Freshwater Biodiversity)