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毛发皮质醇浓度反映了四个欧洲狼群的生命周期和管理。

Hair cortisol concentration reflects the life cycle and management of grey wolves across four European populations.

机构信息

CIBIO/InBIO-Research Center in Biodiversity and Genetic Resources, University of Porto, Vairão, Portugal.

Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal.

出版信息

Sci Rep. 2022 Apr 5;12(1):5697. doi: 10.1038/s41598-022-09711-x.

DOI:10.1038/s41598-022-09711-x
PMID:35383239
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8982655/
Abstract

The grey wolf (Canis lupus) persists in a variety of human-dominated landscapes and is subjected to various legal management regimes throughout Europe. Our aim was to assess the effects of intrinsic and methodological determinants on the hair cortisol concentration (HCC) of wolves from four European populations under different legal management. We determined HCC by an enzyme-linked immune assay in 259 hair samples of 133 wolves from the Iberian, Alpine, Dinaric-Balkan, and Scandinavian populations. The HCC showed significant differences between body regions. Mean HCC in lumbar guard hair was 11.6 ± 9.7 pg/mg (range 1.6-108.8 pg/mg). Wolves from the Dinaric-Balkan and Scandinavian populations showed significantly higher HCC than Iberian wolves, suggesting that harvest policies could reflected in the level of chronic stress. A significant negative relationship with body size was found. The seasonal, sex and age patterns are consistent with other studies, supporting HCC as a biomarker of chronic stress in wolves for a retrospective time frame of several weeks. Our results highlight the need for standardization of sampling and analytical techniques to ensure the value of HCC in informing management at a continental scale.

摘要

灰狼（Canis lupus）存在于各种人为主导的景观中，并在整个欧洲受到各种法律管理制度的约束。我们的目的是评估内在和方法学决定因素对来自四个不同法律管理制度下的欧洲狼群的毛发皮质醇浓度（HCC）的影响。我们通过酶联免疫测定法在来自伊比利亚、阿尔卑斯、迪纳里克-巴尔干和斯堪的纳维亚种群的 133 只狼的 259 个毛发样本中确定了 HCC。HCC 显示出身体区域之间的显著差异。腰椎保护毛的平均 HCC 为 11.6±9.7 pg/mg（范围为 1.6-108.8 pg/mg）。来自迪纳里克-巴尔干和斯堪的纳维亚种群的狼的 HCC 明显高于伊比利亚狼，这表明收获政策可能反映了慢性压力的水平。还发现与身体大小呈显著负相关。季节性、性别和年龄模式与其他研究一致，支持 HCC 作为狼慢性应激的生物标志物，可回溯数周的时间范围。我们的研究结果强调需要标准化采样和分析技术，以确保 HCC 在大陆范围内为管理提供信息的价值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9b7/8983750/3f9494d6fdce/41598_2022_9711_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9b7/8983750/28b88797715e/41598_2022_9711_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9b7/8983750/9969693469b4/41598_2022_9711_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9b7/8983750/d97827019561/41598_2022_9711_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9b7/8983750/3f9494d6fdce/41598_2022_9711_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9b7/8983750/28b88797715e/41598_2022_9711_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9b7/8983750/9969693469b4/41598_2022_9711_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9b7/8983750/d97827019561/41598_2022_9711_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9b7/8983750/3f9494d6fdce/41598_2022_9711_Fig4_HTML.jpg

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