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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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The Impact of Ecocide on Diversity

edited by

Ipek Kurtboke

submission deadline 31 Dec 2025 | 3 articles | Viewed by 2929 | Submission Open

Keywords: ecocide; biodiversity; genetic diversity; species diversity; ecosystem diversity; environmental conservation

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

Genetic Diversity and Evolutionary Potential: Impacts of Habitat Fragmentation

edited by Mary M. Peacock

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2335 | Submission Open

Keywords: habitat fragmentation; habitat connectivity; gene flow; dispersal; evolutionary potential; adaptive capacity; random genetic drift; genetic rescue

(This special issue belongs to the Section Biogeography and Macroecology)

Taxonomy, Phylogeny and Biogeography of Cnidaria

edited by Carlos Daniel Pérez, Paula Braga Gomes and

Fabian Horacio Acuña

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2217 | Submission Open

Keywords: systematic; distribution; Anthozoa; Medusozoa; cnidarians

Diversity, Evolution, and Systematics of Chelicerates

edited by

Salima Machkour-M’Rabet

and

Yann Hénaut

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1782 | Submission Open

Keywords: systematic; genetic and genomic; evolution; interaction; predation; climate change; conservation; ecology

(This special issue belongs to the Section Animal Diversity)

Ecology and Biogeography of Marine Benthos—2nd Edition

edited by

Renato Mamede

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1672 | Submission Open

Keywords: marine taxa; benthic communities; benthic habitats; benthic ecology; conservation and management of ecosystems; biodiversity; species distribution modeling; habitat mapping; trophic interactions; effects of anthropogenic pressures; effects of climatic change; invasive species

(This special issue belongs to the Section Marine Diversity)

Evolutionary History of Fishes

edited by

Charles Ciampaglio

and

Ryan C. Shell

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1583 | Submission Open

Keywords: evolutionary history; fishes; paleo-ecology; diversity; relationships; evolution

(This special issue belongs to the Section Animal Diversity)

Amphibian and Reptile Adaptation: Biodiversity and Monitoring

edited by Simeon P. Lukanov and

Georgi Popgeorgiev

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1448 | Submission Open

Keywords: climate change; conservation; disease; ecological factors; environment; habitat loss; population dynamics; pollution

(This special issue belongs to the Section Animal Diversity)

Distribution, Biodiversity, and Ecology of Nematodes

edited by Elisa Baldrighi and Eleonora Grassi

submission deadline 31 Dec 2025 | 3 articles | Viewed by 1285 | Submission Open

Keywords: nematode diversity and distribution; ecosystem services; model organisms; environmental assessment; nematode ecology; soil and aquatic nematodes; adaptive strategies; anthropogenic impact; taxonomy and phylogeny; free living and parasite nematodes

Ecology and Conservation of Endangered Wildlife

edited by

Feng Xu

and

Jun Li

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1134 | Submission Open

Keywords: endangered species; biodiversity; habitat conservation; population dynamics; climate change; human– wildlife conflict; conservation technology; ecosystem stability

Diversity and Ecology of Algae in a Changing World

edited by

Luz Elena Mateo-Cid

submission deadline 31 Dec 2025 | 1 articles | Viewed by 989 | Submission Open

Keywords: seaweed; biodiversity; environment

(This special issue belongs to the Section Marine Diversity)

Microbiota Diversity in Plants and Forest—2nd Edition

edited by

Yaara Oppenheimer-Shaanan

submission deadline 31 Dec 2025 | 1 articles | Viewed by 943 | Submission Open

Keywords: forest microbiome; plant microbiome; habitat; ecosystem dynamics; decomposition; microbial plant interactions; microbiome diversity

(This special issue belongs to the Section Plant Diversity)

Freshwater Biodiversity Hotspots in 2025

edited by

Simon Blanchet

submission deadline 31 Dec 2025 | 1 articles | Viewed by 843 | Submission Open

Keywords: freshwater biodiversity; biodiversity hotspots; conservation strategies; climate change impacts; ecosystem resilience; species richness; genetic diversity; phylogenetic diversity; functional diversity

(This special issue belongs to the Section Freshwater Biodiversity)

Phytoplankton Communities and Their Microbial Associates Under Climate Change and Anthropogenic Pressures

edited by

Zhangxi Hu

and

Yunyan Deng

submission deadline 31 Dec 2025 | 1 articles | Viewed by 801 | Submission Open

Keywords: marine phytoplankton; harmful algal blooms (HABs); microbiome interactions; ecosystem resilience; metabarcoding; anthropogenic pressures; climate change

(This special issue belongs to the Section Marine Diversity)

Ecology, Distribution, and Conservation of Endangered Birds

edited by Xiaoping Yu

submission deadline 31 Dec 2025 | 1 articles | Viewed by 777 | Submission Open

Keywords: breeding ecology; reintroduction; climate changes; biodiversity; habitat selection; conservation; species distribution

Biodiversity Conservation Planning and Assessment—2nd Edition

edited by Yu Peng

submission deadline 31 Dec 2025 | 1 articles | Viewed by 728 | Submission Open

Keywords: plant richness; plant diversity; biodiversity planning; biodiversity assessment; biodiversity conservation; plant diversity and biodiversity

Marine Biodiversity: Patterns and Processes

edited by

Bert W. Hoeksema

and

Kaveh Samimi-Namin

submission deadline 31 Dec 2025 | Viewed by 703 | Submission Open

Keywords: marine biogeography; marine distribution ranges; global marine biodiversity; onshore– offshore distributions; biodiversity centers; latitudinal diversity gradients; marine currents; substrate availability; climate change; marine speciation; marine extinction; paleogeography

(This special issue belongs to the Section Marine Diversity)

Bird Parasites—3rd Edition

edited by

Gary Voelker

submission deadline 31 Dec 2025 | 1 articles | Viewed by 702 | Submission Open

Keywords: avian parasites; taxonomic diversity and host associations; host– parasite interactions; ecological assessment and modeling; biogeographical distribution; climate change effects

(This special issue belongs to the Section Animal Diversity)

Applications of Environmental DNA in Biomonitoring Across Multiple Trophic Levels

edited by

Lei Zhou

, Dang'En Gu, Yangchun Gao and

Junjie Wang

submission deadline 31 Dec 2025 | 1 articles | Viewed by 702 | Submission Open

Keywords: environmental DNA (eDNA); biomonitoring; multitrophic interactions; biodiversity assessment; conservation strategies

Cephalopod Resilience in Changing Marine Ecosystems

edited by

Xiaodong Zheng

and Ran Xu

submission deadline 31 Dec 2025 | 1 articles | Viewed by 702 | Submission Open

Keywords: cephalopod diversity; marine ecosystems; climate change impacts; trophic interactions; species distribution shifts; evolutionary adaptations

(This special issue belongs to the Section Marine Diversity)

Ecological Dynamics and Conservation of Marine Fisheries

edited by Ernesto A. Chavez-Ortiz

submission deadline 31 Dec 2025 | 1 articles | Viewed by 395 | Submission Open

Keywords: stock assessment; fisheries simulation; biodiversity; harvesting strategies; potential biomass; potential production

(This special issue belongs to the Section Marine Diversity)

Population Genetics of Animals and Plants—2nd Edition

edited by

Petras Prakas

submission deadline 31 Dec 2025 | Viewed by 329 | Submission Open

Keywords: genetic variability; genetic structure; conservation; fragmentation; hybridization; phylogeography; migration; population demography; invasive species; exploited populations

Biodiversity in the Context of Island Biogeography

edited by Konstantinos Proios and

Maria Lazarina

submission deadline 31 Dec 2025 | Viewed by 234 | Submission Open

Keywords: island biogeography; biodiversity; species richness; community assembly; dispersal; in situ speciation; species– area relationship; human impact; habitat island; conservation

(This special issue belongs to the Section Biodiversity Conservation)

Avian Genetic Diversity

edited by

Giovanni Forcina

and

Tamer Albayrak

submission deadline 31 Dec 2025 | Viewed by 221 | Submission Open

Keywords: adaptive radiation; bird; divergence; extinction; hybridisation; introgression; museomics; phylogeography; phylogeny; speciation; wildlife forensics

(This special issue belongs to the Section Animal Diversity)

Ecology and Conservation of Freshwater Bivalves

edited by

Xiubao Chen

, Haibo Wen and

Xiaochen Huang

submission deadline 31 Dec 2025 | Viewed by 152 | Submission Open

Keywords: freshwater bivalves; biodiversity; ecology; evolution; taxonomy; threats; ecotoxicology; conservation

(This special issue belongs to the Section Freshwater Biodiversity)

Marine Species and Microbial Biodiversity in a Changing Ocean: Adaptation, Symbiosis and Ecosystem Function

edited by Federica Montesanto

submission deadline 31 Dec 2025 | Viewed by 146 | Submission Open

Keywords: marine biodiversity; microbial diversity; symbiosis; adaptation; climate change; host– microbiome interactions; benthic communities; barcoding; metabarcoding; marine ecosystem resilience; species– microbiome dynamics; ocean acidification; environmental stressors

Chemical Diversity of Plant Bioactives: Ecological Functions, Organismal Interactions, and Environmental Adaptations

edited by

Jesus Fernando Ayala-Zavala

submission deadline 31 Dec 2025 | Viewed by 143 | Submission Open

Keywords: plant bioactive compounds; chemical diversity; ecological interactions; evolutionary adaptations; data-driven bioactivity prediction

Ecological Aquaculture: Mechanisms, Modeling, and Sustainability in a Changing Environment

edited by

Bin Wen

Jiamin Sun

and

Yunfei Sun

submission deadline 31 Dec 2025 | Viewed by 129 | Submission Open

Keywords: ecological aquaculture; fish adaptation; nutrient cycling; aquaculture systems; sustainability

(This special issue belongs to the Section Marine Diversity)

Climate Change Impacts and Resilience in Pacific Island Marine Ecosystems

edited by

Stuart Kininmonth

submission deadline 31 Dec 2025 | Viewed by 115 | Submission Open

Keywords: network modeling; marine ecosystems; Bayesian networks; socioecological systems; coral reefs

(This special issue belongs to the Section Marine Diversity)

Perspectives on Small Game Research for Biodiversity Conservation and Sustainable Resource Management

edited by

Emilio Jorge Tizado Morales

submission deadline 31 Dec 2025 | Viewed by 113 | Submission Open

Keywords: small game management; biodiversity conservation; sustainable resource management; population dynamics; conservation policies

(This special issue belongs to the Section Biodiversity Conservation)

Morphometric and Genetic Approaches to the Study of Fossil Mammals

edited by

Leonid Recovets

submission deadline 31 Dec 2025 | Viewed by 107 | Submission Open

Keywords: fossil mammals; morphometrics; ancient DNA; phylogenetic reconstruction; evolutionary dynamics; paleoecology

(This special issue belongs to the Section Animal Diversity)

Alien Species Management: From Scientific Discovery to Policy Implementation

edited by

Andrea Bonifazi

submission deadline 31 Dec 2025 | Viewed by 101 | Submission Open

Keywords: nis; alien species; invasive species; policy implementation

(This special issue belongs to the Section Marine Diversity)

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 31 Dec 2025 | Viewed by 86 | 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)

Patterns Of Marine Benthic Biodiversity

edited by

Marcos Rubal

Puri Veiga

and

Diego Carreira-Flores

submission deadline 2 Jan 2026 | 4 articles | Viewed by 5620 | Submission Open

Keywords: intertidal; subtidal; rocky shores; sandy shores; estuaries; anthropogenic disturbance; environmental gradients

(This special issue belongs to the Section Marine Diversity)

Ecology and Conservation of Marine Megafauna—2nd Edition

edited by

José Carlos Báez

submission deadline 15 Jan 2026 | Viewed by 150 | 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)

Aquatic Plant Diversity, Conservation, and Restoration

edited by

Danelle Larson

and

Eva Papastergiadou

submission deadline 30 Jan 2026 | 7 articles | Viewed by 22170 | Submission Open

Keywords: aquatic vegetation; biodiversity; macrophytes; freshwater; resilience

(This special issue belongs to the Section Plant Diversity)

The Applications of Emerging Technologies on Biodiversity Conservation

edited by

Xinhai Li

and

Guiming Wang

submission deadline 31 Jan 2026 | 6 articles | Viewed by 12060 | 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 3220 | 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

Weizhi Song

submission deadline 31 Jan 2026 | Viewed by 356 | 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,

Jian Ma

and

Xiuguo Zhang

submission deadline 31 Jan 2026 | Viewed by 176 | Submission Open

Keywords: fungi diversity; systematics; plant-associated fungi

Microbial Diversity in Changing Ecosystems: From Environmental Adaptation Mechanisms to Applications

edited by

Ipek Kurtboke

submission deadline 31 Jan 2026 | Viewed by 175 | 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)

Plant Signals Driving Resilience Against Abiotic and Biotic Stresses

edited by

Rosa Rao

and Valeria Castaldi

submission deadline 31 Jan 2026 | Viewed by 143 | 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

Cong Sun

, Lin Xu, Jianyang Li and

Angelina Lo Giudice

submission deadline 31 Jan 2026 | Viewed by 134 | 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)

Coral Reef Ecology and Diversity Conservation

edited by

Anthony D. Montgomery

and

Dan A. Polhemus

submission deadline 31 Jan 2026 | Viewed by 88 | 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

edited by

Marlenne Manzano-Sarabia

submission deadline 31 Jan 2026 | Viewed by 47 | 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

edited by

Joaquín Rodrigo Garza Pérez

submission deadline 10 Feb 2026 | Viewed by 107 | 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

Aleš Gregorc

submission deadline 15 Feb 2026 | 1 articles | Viewed by 601 | 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 267 | 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

Nigel Barker

submission deadline 15 Feb 2026 | Viewed by 101 | 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

Bruno Barbosa

and

Guy Smagghe

submission deadline 24 Feb 2026 | Viewed by 404 | Submission Open

Keywords: Hymenoptera; Anthropocene; environmental change; intrinsic factors; adaptive mechanisms; conservation strategies

Emerging Effects of Pollinator Loss on Biodiversity

edited by

Ekaterina Kozuharova

and

Toshko Ljubomirov

submission deadline 28 Feb 2026 | 4 articles | Viewed by 14615 | 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)

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