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Yuriana Gómez-Ortiz¹, Hublester Domínguez-Vega¹, Leroy Soria-Díaz²

¹División de Desarrollo Sustentable, Universidad Intercultural del Estado de México, San Felipe del Progreso, México, Mexico.

|July 30, 2024

概括

农业灌道对小脊椎动物构成重大威胁,导致高死亡率. 保护工作应集中在保护息地和修改道结构,以减少野生动物死亡.

科学领域:

生态生态学生态生态学
保护生物学保护生物学
野生动物管理野生动物管理

背景情况:

像农业灌道这样的线性基础设施显著改变息地,并对野生动物产生负面影响.
开放的灌道起着陷的作用,对各种大小的脊椎动物构成风险,尽管较小的道研究不足.

研究的目的:

分析脊椎动物物种丰富度和死亡率与灌道段和周围景观特征的关系.
研究道结构,季节性和景观异质性对脊椎动物种群的影响.

主要方法:

在开放道灌系统沿着两个年进行了每月的调查,以记录脊椎动物的死亡率和丰富性.
利用规范对应分析和千二测试来检查物种丰富度,死亡率,道结构和季节性之间的空间关系.
采用景观多样性指数来评估周围息地结构和组成的影响.

主要成果:

观察到的脊椎动物中有61%被发现死亡,小哺乳动物和爬行动物是受影响最严重的群体.
发现小脊椎动物的死亡率因物种,通道结构 (混凝土,门),季节性 (湿/干) 和景观多样性而有显著差异.
特定的物种,如小型动物 (M. mexicanus) 和爬行动物 (C. triseriatus,B. imbricata,Thamnophis spp.) 他们特别脆弱.

结论:

开放道农业灌系统对人类化景观中的小脊椎动物群体构成重大威胁.
保护战略应优先保护水体和重组灌道,以减轻野生动物死亡率.
解决灌道的影响对于在人类改变的环境中保护小脊椎动物至关重要.

关键词:

人类化人类化.人类化的景观.人造基础设施人造基础设施线性基础设施线性基础设施爬行动物爬行动物爬行动物小型哺乳动物小型哺乳动物野生动物死亡率野生动物死亡率

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