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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Diversity and Taxonomy of Scarabaeoidea submission deadline 30 Jun 2026 | 1 articles | Viewed by 2184 | 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
submission deadline 30 Jun 2026 | 3 articles | Viewed by 1664 | 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)
Genetic and Morphological Diversity of Marine Fish Populations submission deadline 30 Jun 2026 | 1 articles | Viewed by 763 | Submission Open
Keywords: marine fishes; genetic diversity; phenotypic plasticity; population connectivity; functional morphology
(This special issue belongs to the Section Marine Diversity)
Arachnida Diversity and Conservation submission deadline 30 Jun 2026 | 1 articles | Viewed by 510 | Submission Open
Keywords: arachnida; conservation; ecology; climate change; biogeography; diversity
(This special issue belongs to the Section Animal Diversity)
Ethnobotany and Plant Diversity: Conservation and Sustainable Use
edited by
submission deadline 30 Jun 2026 | Viewed by 265 | 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)
Diversity of Aquatic Insects
edited by , Rafael Boldrini, Paulo Cruz and Rodolfo Mariano
submission deadline 30 Jun 2026 | Viewed by 236 | 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 and
submission deadline 30 Jun 2026 | Viewed by 134 | 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 and Sandra Luz Gomez-Acevedo
submission deadline 30 Jun 2026 | Viewed by 125 | 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)
The Ecological Functions of Algae in a Changing World: From Fundamentals to Applications
edited by and
submission deadline 30 Jun 2026 | Viewed by 80 | 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)
Interrelations and Adaptations of Benthic Macroinvertebrates and Benthic Algae
edited by and Dejan Dmitrović
submission deadline 30 Jun 2026 | Viewed by 58 | Submission Open
Keywords: ecology; interrelations; adaptation; benthic macroinvertebrates; benthic algae
Advances and Future Perspectives in Molecular Biology and Genetic Diversity of Economic Plants
edited by
submission deadline 30 Jun 2026 | Viewed by 46 | Submission Open
Keywords: molecular breeding; genetic diversity and evaluation; omics technologies; sustainable agriculture
(This special issue belongs to the Section Plant Diversity)
Plant Diversity Discovery and Resource Utilization
edited by Feifei Li and
submission deadline 30 Jun 2026 | Viewed by 43 | Submission Open
Keywords: plant diversity; utilization; economic plants; phytochemical
(This special issue belongs to the Section Plant 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 32 | Submission Open
Keywords: marine plankton; climate variability; extreme events; human impacts; biodiversity and ecosystem function
(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 24 | Submission Open
Keywords: anthropocene; conservation; diversity; ecological interactions; insect ecology; monitoring
(This special issue belongs to the Section Animal Diversity)
Diversity and Ecology of Decapoda
edited by Fabrício Carvalho and
submission deadline 30 Jun 2026 | Viewed by 22 | 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)
Plant Diversity on Islands—2nd Edition submission deadline 1 Jul 2026 | 1 articles | Viewed by 562 | 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
submission deadline 1 Jul 2026 | Viewed by 168 | 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 and Marija Bošnjak
submission deadline 15 Jul 2026 | 2 articles | Viewed by 3591 | Submission Open
Keywords: bivalves; biodiversity; taxonomy; habitats; symbionts; evolution; bivalve extinctions; survivors; invasive taxa
(This special issue belongs to the Section Phylogeny and Evolution)
Coral Reef Biodiversity Conservation and Ecological Rehabilitation
edited by Xinming Lei and Wentao Niu
submission deadline 31 Jul 2026 | 3 articles | Viewed by 7639 | Submission Open
Keywords: coral reefs; biodiversity; restoration; rehabilitation; ecosystem
(This special issue belongs to the Section Biodiversity Conservation)
Marine Resources Dynamics Under Global Change submission deadline 31 Jul 2026 | 2 articles | Viewed by 3981 | 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 2401 | 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)
Impacts of Anthropogenic Structures on Birds submission deadline 31 Jul 2026 | 1 articles | Viewed by 1502 | Submission Open
Keywords: birds; buildings; collisions; communication towers; fences; transmission lines; utility-scale solar facilities; wind turbines
Native and Introduced Actinopterygii Fishes: Genetic Diversity and Their Environmental Effects
edited by Sirawut Klinbunga
submission deadline 31 Jul 2026 | 1 articles | Viewed by 453 | Submission Open
Keywords: Actinopteyigii; genetic diversity; molecular population genetics; population genomics; conservation genetics; genetics and fisheries; aquaculture genetics; exotic species; escapee; environmental impacts
(This special issue belongs to the Section Animal Diversity)
Herbaria: A Key Resource for Plant Diversity Exploration—2nd Edition
edited by
submission deadline 31 Jul 2026 | Viewed by 96 | Submission Open
Keywords: algae; ancient DNA; biological collections; bryophytes; digitization; exsiccata; fungi; herbaria; historical collections; lichens; metadata; museological importance; taxonomy; type; vascular plants
(This special issue belongs to the Section Plant Diversity)
Applications of Environmental DNA for Fish and Aquatic Biodiversity Assessment submission deadline 31 Jul 2026 | Viewed by 71 | Submission Open
Keywords: eDNA metabarcoding; targeted eDNA; aquatic biodiversity; biological invasions; biodiversity monitoring
(This special issue belongs to the Section Biodiversity Conservation)
Innovating and Integrating Conservation Tools to Address the Global Extinction Crisis and Prevent Ecosystem Collapse
edited by Dave Waldien, , Monika Böhm and Andrew Snyder
submission deadline 31 Jul 2026 | Viewed by 54 | Submission Open
Keywords: global extinction; biodiversity; ecosystems; IUCN
(This special issue belongs to the Section Biodiversity Conservation)
Diversity, Ecology and Spatiotemporal Distribution of Marine Algae and Their Associated Microbiome
edited by Ruoyu Guo and
submission deadline 31 Jul 2026 | Viewed by 51 | Submission Open
Keywords: microalgae; microalgae-associated microbiomes; diversity; spatiotemporal distribution dynamics; community responses
Impacts of Human Disturbance on Plant–Insect Interactions
edited by Walter Santos De Araújo
submission deadline 31 Jul 2026 | Viewed by 2 | Submission Open
Keywords: plant– insect interactions; ecosystems; anthropogenic pressures; biodiversity conservation
(This special issue belongs to the Section Plant Diversity)
Community Assembly, Succession, Functional Diversity, and Evolution of Aquatic Invertebrate Microbiomes
edited by Kent A. Hatch, Nathaniel Curtis and José Moscoso Nunez
submission deadline 1 Aug 2026 | Viewed by 26 | Submission Open
Keywords: aquatic invertebrates; microbiome assembly; environmental filtering; host– microbe interactions; coevolution
(This special issue belongs to the Section Microbial Diversity and Culture Collections)
Climate Change and Invasive Species Impacts on Freshwater Systems
edited by Timothy B. Mihuc
submission deadline 31 Aug 2026 | 1 articles | Viewed by 921 | Submission Open
Keywords: freshwater systems; climate change; invasive species
(This special issue belongs to the Section Freshwater Biodiversity)
Conservation and Ecology of Raptors—3rd Edition submission deadline 31 Aug 2026 | Viewed by 47 | Submission Open
Keywords: raptor ecology; migration ecology; demography; population dynamics; habitat; threats and conservation management; diet; home range
(This special issue belongs to the Section Animal Diversity)
Marine Zooplankton and Ichthyoplankton Ecology: Patterns, Processes, and Perspective
edited by , Mauricio F. Landaeta and Inma Herrera
submission deadline 20 Sep 2026 | 1 articles | Viewed by 1207 | Submission Open
Keywords: zooplankton; ichthyoplankton; marine ecology; biological oceanography; pelagic ecology
Bison and Beyond: Achievements and Problems in Wildlife Conservation
edited by and
submission deadline 30 Sep 2026 | 17 articles | Viewed by 59804 | Submission Open
Keywords: conservation; reintroducion; genetic diversity; threats for wildlife; human-wildlife relations
(This special issue belongs to the Section Animal Diversity)
Integrating Spatial Phylogenetic, and Taxonomic Approaches to Understand Plant Biodiversity
edited by , and Wajid Zaman
submission deadline 30 Sep 2026 | 2 articles | Viewed by 2785 | Submission Open
Keywords: spatial phylogenetics; plant biodiversity; phylogenetic diversity; endemism; taxonomic diversity; functional diversity; biogeography; conservation
(This special issue belongs to the Section Plant Diversity)
Ecology, Distribution, Impacts, and Management of Invasive Plants
edited by and
submission deadline 30 Sep 2026 | 2 articles | Viewed by 1355 | Submission Open
Keywords: invasive alien plants; invasion mechanism; invasiveness; invasibility; potential distribution; economical; ecological; and environmental impacts; biotic and abiotic interactions; chemical control; biological and ecological management
(This special issue belongs to the Section Plant Diversity)
Biogeography and Diversity of Butterflies and Moths—2nd Edition
edited by and
submission deadline 30 Sep 2026 | 1 articles | Viewed by 553 | Submission Open
Keywords: Lepidoptera; species richness; phylogeography; diversity conservation; spatial distribution; pollinating networks
Biodiversity and Ecosystem Conservation of Coastal Wetlands
edited by , Hao Cheng, Kit Yue Kwan and
submission deadline 30 Sep 2026 | 1 articles | Viewed by 497 | Submission Open
Keywords: mangrove; seagrass; salt marshes; climate change; anthropogenic activities
(This special issue belongs to the Section Biodiversity Conservation)
Ethnobotany, Medicinal Plants and Biodiversity Conservation: 2nd Edition submission deadline 31 Oct 2026 | 9 articles | Viewed by 28063 | Submission Open
Keywords: ethnobotany and ethnopharmacology; pharmacological tests based on traditional knowledge phytochemistry; resources and conservation of medicinal plants; sustainable use of medicinal plants; cultivation and biotechnology; ethnobotany and biopesticides
(This special issue belongs to the Section Plant Diversity)
Recent Advances in the Impacts of Biological Invasions on European Biodiversity submission deadline 31 Oct 2026 | 7 articles | Viewed by 24259 | Submission Open
Keywords:   alien species;   native biodiversity;   impacts;   ecosystem services;   management;   risk assessment;   habitat restoration;   citizen science;   environmental DNA;   rewilding;   ecosystem vulnerability;   invasiveness;   vectors of introduction;   toxic chemicals
(This special issue belongs to the Section Biodiversity Conservation)
Marine Species Chemical Ecology
edited by , and Viviana Pasquini
submission deadline 31 Oct 2026 | Viewed by 274 | Submission Open
Keywords: ecological aspects; habitat selection; aquaculture; olfaction; taste; food choice; invasive alien species; population control strategies; mesocosm experiments
(This special issue belongs to the Section Marine Diversity)
Evolution, Development, and Diversification of Vertebrates, Part 2: Patterning and Mechanisms of Morphogenesis
edited by
submission deadline 31 Oct 2026 | Viewed by 168 | 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)
Harmful Algal Blooms: Distribution and Diversity
edited by Lixia Shang
submission deadline 31 Oct 2026 | Viewed by 35 | Submission Open
Keywords: harmful algal blooms (HABs); spatial distribution; omics; algal diversity
Global Change Biogeography: Understanding Past, Present, and Future Biotic Responses
edited by and Daiqin Li
submission deadline 30 Nov 2026 | Viewed by 3 | Submission Open
Keywords: historical biogeography; global change biology; diversification; extinction; changing planet
(This special issue belongs to the Section Biogeography and Macroecology)
Palaeontology of Ammonoids: Recent Advances
edited by Elena A. Yazykova and
submission deadline 31 Dec 2026 | Viewed by 1120 | Submission Open
Keywords: ammonites; palaeobiology; palaeogeography; palaeoecology; Palaeozoic; Mesozoic; event stratigraphy; biostratigraphy  
Avian Genetic Diversity submission deadline 31 Dec 2026 | Viewed by 302 | 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)
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