Small Mammal Diversity and Conservation

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

Deadline for manuscript submissions: 30 September 2026 | Viewed by 1007

Special Issue Editor


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Guest Editor
Institute of Health Sciences (ICS), Institute of Biological Sciences (ICB), Federal University of Pará (UFPA), Belém 66077-830, PA, Brazil
Interests: small mammal; endangered species; genetic diversity

Special Issue Information

Dear Colleagues,

Considering the global diversity of wild mammals, small mammals are generally defined as species weighing less than 5 kg and typically measure less than one meter in body length. However, depending on the region and biome, this group also includes much smaller species—such as shrews, rats, bats, small primates, and marsupials—that may weigh only a few grams. These animals share distinctive traits, including high metabolic rates, rapid reproductive cycles (short gestation and larger litters), and elevated mortality, particularly due to predation. They also perform key ecological roles, contributing to seed dispersal, invertebrate predation, pest control, pollination, and even ecosystem engineering. Owing to these characteristics, small mammals often exhibit rapid ecological responses, yet they remain an overlooked component of biodiversity from a conservation perspective. Thus, a Special Issue dedicated to small mammals offers a timely opportunity to highlight their importance for the conservation of ecosystems worldwide.

Dr. Ana Cristina Mendes de Oliveira
Guest Editor

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Keywords

  • small mammals
  • biodiversity
  • conservation
  • ecosystem conservation

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Published Papers (1 paper)

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Research

16 pages, 1073 KB  
Article
Diversity and Habitat Associations of Subarctic Small Mammal Assemblages in the Yukon’s Tombstone Territorial Park
by Thomas S. Jung
Diversity 2026, 18(2), 66; https://doi.org/10.3390/d18020066 - 27 Jan 2026
Viewed by 620
Abstract
Small mammals play a central role in northern ecosystems, yet their diversity and habitat associations remain poorly documented in the subarctic mountains of northwestern Canada. I assessed small mammal assemblages across elevational and habitat gradients in Tombstone Territorial Park, located in the Taiga [...] Read more.
Small mammals play a central role in northern ecosystems, yet their diversity and habitat associations remain poorly documented in the subarctic mountains of northwestern Canada. I assessed small mammal assemblages across elevational and habitat gradients in Tombstone Territorial Park, located in the Taiga Cordillera Ecozone. My objectives were to document small mammal diversity and habitat associations. In 2005, small mammals were sampled at 27 sites representing seven common habitat types, ranging from lowland boreal forest to subalpine shrublands and alpine tundra. Twelve species of voles, lemmings, mice, and shrews were captured. Species richness and relative abundance were highest in lowland habitats and declined with increasing elevation. Alpine habitats supported fewer, highly specialized species. Several species were restricted to lowland habitats, whereas two species occurred exclusively in alpine tundra. Canonical correspondence analysis revealed a separation of species assemblages based primarily on moisture. These findings demonstrated that moisture, elevation, and habitat type structured small mammal assemblages in this northern mountain landscape. As a first approximation of small mammal assemblages in the Taiga Cordillera Ecozone, I provide a historical baseline for detecting recent and future ecological change. Climate change may facilitate the range expansion of lowland species and alter alpine assemblages, with potential consequences for community composition, trophic interactions, and ecosystem processes, highlighting the importance of small mammal monitoring in a rapidly warming subarctic. Full article
(This article belongs to the Special Issue Small Mammal Diversity and Conservation)
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