دورية أكاديمية
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Patterns of Wolf Dispersal Respond to Harvest Density across an Island Complex.

التفاصيل البيبلوغرافية
العنوان: Patterns of Wolf Dispersal Respond to Harvest Density across an Island Complex.
المؤلفون: Roffler GH; Alaska Department of Fish and Game, Division of Wildlife Conservation, Douglas, AK 99824, USA., Pilgrim KL; National Genomics Center for Wildlife and Fish Conservation, Rocky Mountain Research Station, USDA Forest Service, Missoula, MT 59802, USA., Williams BC; Auke Bay Laboratories, Alaska Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Juneau, AK 99801, USA.
المصدر: Animals : an open access journal from MDPI [Animals (Basel)] 2024 Feb 15; Vol. 14 (4). Date of Electronic Publication: 2024 Feb 15.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Molecular Diversity Preservation International Country of Publication: Switzerland NLM ID: 101635614 Publication Model: Electronic Cited Medium: Print ISSN: 2076-2615 (Print) Linking ISSN: 20762615 NLM ISO Abbreviation: Animals (Basel) Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : Molecular Diversity Preservation International, 2011-
مستخلص: Wolves are highly mobile predators and can disperse across a variety of habitats and over long distances. However, less is known about dispersal capabilities across water and among islands. The biogeography of island systems fosters spatially structured local populations, and their degree of connectivity may influence the dynamics and long-term viability of the regional population. We sought to quantify wolf dispersal rate, distance, and dispersal sex bias throughout Prince of Wales Island, a 6670 km 2 island in southeast Alaska, and the surrounding islands that constitute the wildlife management unit (9025 km 2 ). We also investigated patterns of dispersal in relation to hunting and trapping intensity and wolf population density. We used DNA data collected during 2012-2021 long-term monitoring efforts and genotyped 811 wolves, 144 of which (18%) were dispersers. Annual dispersal rates were 9-23% and had a weakly positive relationship with wolf density. Wolves dispersed 41.9 km on average (SD = 23.7 km), and males and females did not disperse at different rates. Of the dispersing wolves, 107 died, and the majority (n = 81) died before they were able to settle. The leading manner of death was trapping (97% of mortalities), and wolves tended to disperse from areas with low harvest density to areas where harvest density was relatively higher. Dispersal occurred both to and from small islands and the larger Prince of Wales Island, indicating bidirectional as opposed to asymmetrical movement, and the genetic overlap of wolf groups demonstrates connectivity throughout this naturally patchy system. Island ecosystems have different predator-prey dynamics and recolonization processes than large, intact systems due to their isolation and restricted sizes; thus, a better understanding of the degree of population connectivity including dispersal patterns among islands in the Prince of Wales archipelago could help inform the management and research strategies of these wolves.
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معلومات مُعتمدة: 14.0 State of Alaska general funds; 14.30, 14.0 Pittman-Robertson Federal Aid in Wildlife Restoration Program
فهرسة مساهمة: Keywords: Canis lupus; dispersal; islands; noninvasive genetic monitoring
تواريخ الأحداث: Date Created: 20240224 Latest Revision: 20240227
رمز التحديث: 20240227
مُعرف محوري في PubMed: PMC10885989
DOI: 10.3390/ani14040622
PMID: 38396590
قاعدة البيانات: MEDLINE
الوصف
تدمد:2076-2615
DOI:10.3390/ani14040622