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整合成年发生率和繁殖数据,以确定两动物的保护措施
Elia Lo Parrino1, Gentile Francesco Ficetola1,2, Michel Devin1
1Department of Environmental Science and Policy, Università degli Studi di Milano, Milan, Italy.
概括
有效的两动物保护需要监测成人的存在和繁殖. 当资源有限时,仅对成年人进行监测是足够的,但对于全面的管理和保护策略,综合监测是最好的.
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:
- 有效的野生动物管理依赖于强有力的监测计划,但资源的局限性往往导致忽视诸如繁殖等关键生命历史阶段.
- 目前的监测通常集中在物种的出现上,这可能不准确地反映出种群的生存能力或提供足够的数据来进行有效的保护管理.
研究的目的:
- 调查环境因素如何对两成年动物的发生和繁殖有不同的影响.
- 为了确定最佳的采样努力,并比较成人和综合 (成人和繁殖) 监测策略对两动物的有效性.
- 在不同的可用性场景下确定最有效利用资源的监控方法.
主要方法:
- 从2017年到2022年,在意大利北部对207个水体进行了现场监测,收集了关于两动物存在和繁殖的数据.
- 利用多州占用模型来分析环境变量 (池面积,水周期,森林覆盖等) 的影响. 关于成年人发生和繁殖.
- 采用多标准决策分析来比较基于检测概率和资源可用性的监测策略.
主要成果:
- 影响成年两动物发生和繁殖的环境驱动因素往往不同,有些因素影响一个阶段,但不影响另一个阶段 (例如,Rana latastei发生的森林覆盖).
- 在7种研究物种中,4种的成年发生更容易被检测到,而不是繁殖.
- 资源稀缺的场景有利于对某些物种进行仅成人监测,而丰富的资源支持对所有物种进行综合监测.
结论:
- 综合监测成人的存在和繁殖对于全面的两动物保护计划至关重要.
- 监测策略应根据资源的可用性和特定物种的检测概率进行调整.
- 了解特定阶段的生态驱动因素对于制定有效的两动物保护措施至关重要.
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