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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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Fungal Diversity

edited by

Samantha C. Karunarathna

, Benjarong Karbowy-Thongbai,

Saowaluck Tibpromma

, Asha Janadaree Dissanayake and

Arun Kumar Dutta

submission deadline 20 Dec 2025 | 6 articles | Viewed by 10121 | Submission Open

Keywords: applications of fungi; ascomycota; basidiomycota; biodegradation; biocontrol agents; biotechnology; fungal taxonomy; fungal phylogeny; next-generation sequencing; fungal toxins; fungal pathogens; fungal ecology

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

Systematics, Phylogenetics, and Phylogeography of Animals in the Mediterranean Region

edited by Nikos Poulakakis

submission deadline 20 Dec 2025 | 4 articles | Viewed by 8036 | Submission Open

Keywords: biodiversity; biogeography; ecology; mediterranean; phylogenetics; phylogenomics; phylogeography; speciation; systematics

(This special issue belongs to the Section Animal Diversity)

Functional Diversity of Soft-Bottom Benthic Communities in the Anthropocene

edited by Américo Montiel

submission deadline 20 Dec 2025 | 2 articles | Viewed by 6235 | Submission Open

Keywords: infauna; deposit-feeders; filter-feeders; trophic guild; trophic source; carbon sinks; macrofauna; meiofauna; global change; deep-sea; intertidal; acidification

(This special issue belongs to the Section Marine Diversity)

Animal Diversity Hot Topics in 2025

edited by

Luc Legal

submission deadline 30 Dec 2025 | 2 articles | Viewed by 5299 | Submission Open

Keywords: hot topics; animal diversity; animal ecology; animal conservation; population genetics

Diversity and Ecology of Freshwater Benthic Macroinvertebrates

edited by Diego Marcel Parreira De Castro

submission deadline 30 Dec 2025 | Viewed by 318 | Submission Open

Keywords: benthic macroinvertebrates; functional diversity; stable isotopes; freshwater conservation

Socioecology and Biodiversity Conservation—2nd Edition

edited by

Alfredo Ortega-Rubio

submission deadline 31 Dec 2025 | 12 articles | Viewed by 32003 | Submission Open

Keywords: socio-ecological; ecosystem services; biodiversity conservation; local inhabitants; environmental systems

(This special issue belongs to the Section Biodiversity Conservation)

15th Anniversary of Diversity—Biodiversity, Conservation and Ecology of Animals, Plants and Microorganisms

edited by

and

submission deadline 31 Dec 2025 | 24 articles | Viewed by 31545 | Submission Open

Keywords: plant diversity; plant species; animal biodiversity and conservation; evaluation and population

Women’s Special Issue Series: Diversity

edited by

Ipek Kurtboke

Haiyan Tong

and

Martha F Hoopes

submission deadline 31 Dec 2025 | 9 articles | Viewed by 28490 | Submission Open

Keywords: biodiversity; ecology; natural history; evolution; palaeontology; systematics; population genetics; phylogeny; biogeography; conservation

Diversity in 2025

edited by

Michael Wink

submission deadline 31 Dec 2025 | 12 articles | Viewed by 17217 | Submission Open

Keywords: biodiversity; animal conservation; evolution and ecology; marine species; plant invasive species

Biodiversity Conservation in Urbanized Ecosystems

edited by Gad Perry and Robert Cox

submission deadline 31 Dec 2025 | 6 articles | Viewed by 17021 | Submission Open

Keywords: urban ecosystem regeneration; biodiversity conservation; urban green spaces; urbanization; climate change

(This special issue belongs to the Section Biodiversity Conservation)

Ecology and Paleoecology of Atlantic and Caribbean Coral Reefs

edited by

Pamela Hallock

submission deadline 31 Dec 2025 | 5 articles | Viewed by 13556 | Submission Open

Keywords: biodiversity; biogeography; coral-reef ecosystem; reef-species distributions; reef community structure; resilient species; endemic species; vulnerable species; climate change; Neogene reefs; Miocene reefs; Pliocene reefs; Pleistocene reefs; climate change to reef ecosystem services

(This special issue belongs to the Section Marine Diversity)

2025 Feature Papers by Diversity’s Editorial Board Members

edited by

Michael Wink

submission deadline 31 Dec 2025 | 10 articles | Viewed by 9329 | Submission Open

Keywords: biodiversity conservation; plant diversity; animal population and involution; ecology

Studies on Biodiversity and Ecology of Algae in China—2nd Edition

edited by

Renhui Li

Jia Feng

and

Wei Zhang

submission deadline 31 Dec 2025 | 5 articles | Viewed by 7865 | Submission Open

Keywords: algae; biodiversity; ecology

Diversity, Biodiversity, Threats and Conservation of Arthropods

edited by Jaime Pizarro-Araya

submission deadline 31 Dec 2025 | 4 articles | Viewed by 6777 | Submission Open

Keywords: biodiversity; arthropod conservation; environmental threats; climate change; habitat loss; ecosystem services; habitat restoration

(This special issue belongs to the Section Animal Diversity)

The Impact of Ecocide on Diversity

edited by

Ipek Kurtboke

submission deadline 31 Dec 2025 | 3 articles | Viewed by 5608 | 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)

Taxonomy, Phylogeny and Biogeography of Cnidaria

edited by

Carlos Perez

, Paula Braga Gomes and

Fabian Horacio Acuña

submission deadline 31 Dec 2025 | 3 articles | Viewed by 4160 | Submission Open

Keywords: systematic; distribution; Anthozoa; Medusozoa; cnidarians

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 | 2 articles | Viewed by 4061 | Submission Open

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

Genetic Diversity and Evolutionary Potential: Impacts of Habitat Fragmentation

edited by Mary M. Peacock

submission deadline 31 Dec 2025 | 1 articles | Viewed by 3512 | 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)

Evolutionary History of Fishes

edited by

Charles Ciampaglio

and

Ryan C. Shell

submission deadline 31 Dec 2025 | 1 articles | Viewed by 2629 | Submission Open

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

(This special issue belongs to the Section Animal Diversity)

Bird Parasites—3rd Edition

edited by

Gary Voelker

submission deadline 31 Dec 2025 | 2 articles | Viewed by 1783 | 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)

Microbiota Diversity in Plants and Forest—2nd Edition

edited by

Yaara Oppenheimer-Shaanan

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1503 | 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 1405 | 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)

Cephalopod Resilience in Changing Marine Ecosystems

edited by

Xiaodong Zheng

and Ran Xu

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1351 | 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)

Diversity and Ecology of Algae in a Changing World

edited by

Luz Elena Mateo-Cid

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1279 | Submission Open

Keywords: seaweed; biodiversity; environment

(This special issue belongs to the Section Marine Diversity)

Biodiversity Conservation Planning and Assessment—2nd Edition

edited by Yu Peng

submission deadline 31 Dec 2025 | 1 articles | Viewed by 1264 | 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 823 | 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)

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 309 | 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

Biodiversity in the Context of Island Biogeography

edited by Konstantinos Proios and

Maria Lazarina

submission deadline 31 Dec 2025 | Viewed by 303 | 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)

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 250 | 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 192 | 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 166 | Submission Open

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

(This special issue belongs to the Section Marine Diversity)

Morphometric and Genetic Approaches to the Study of Fossil Mammals

edited by

Leonid Recovets

submission deadline 31 Dec 2025 | Viewed by 166 | 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 143 | Submission Open

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

(This special issue belongs to the Section Marine 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 7433 | 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 224 | 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 | 8 articles | Viewed by 25370 | 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 | 8 articles | Viewed by 15713 | 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 | 4 articles | Viewed by 4976 | Submission Open

Keywords: foraminiferal studies; environmental monitoring; paleoclimate reconstruction; biogeography

(This special issue belongs to the Section Marine Diversity)

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

edited by

Ipek Kurtboke

submission deadline 31 Jan 2026 | 2 articles | Viewed by 1656 | 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)

Diversity, Phylogeny and Ecology of Marine Microorganisms

edited by

Cong Sun

, Lin Xu, Jianyang Li and

Angelina Lo Giudice

submission deadline 31 Jan 2026 | 2 articles | Viewed by 1596 | 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)

Diversity, Physiology and Ecology of Marine Microorganisms

edited by Xianzhe Gong and

Weizhi Song

submission deadline 31 Jan 2026 | Viewed by 615 | 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 301 | Submission Open

Keywords: fungi diversity; systematics; plant-associated fungi

Coral Reef Ecology and Diversity Conservation

edited by

Anthony D. Montgomery

and

Dan A. Polhemus

submission deadline 31 Jan 2026 | Viewed by 249 | 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)

Plant Signals Driving Resilience Against Abiotic and Biotic Stresses

edited by

Rosa Rao

and Valeria Castaldi

submission deadline 31 Jan 2026 | Viewed by 212 | 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)

Spatial and Temporal Studies in Marine Protected Areas: Mexican Chapter—2nd Edition

edited by

Marlenne Manzano-Sarabia

submission deadline 31 Jan 2026 | Viewed by 88 | 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)

Advances in Hymenoptera Diversity and Biology

edited by Jiao Tang and

Aleš Gregorc

submission deadline 15 Feb 2026 | 2 articles | Viewed by 1496 | 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 314 | 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 149 | 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 586 | 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 | 5 articles | Viewed by 18114 | 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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