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一个误导性的尾巴:长期研究爬行动物对多种干扰的反应,这些干扰被测量技术的变化所破坏

Maldwyn John Evans¹, Christopher MacGregor¹, David Lindenmayer¹

¹Fenner School of Environment and Society, The Australian National University, Canberra, ACT, Australia.

|June 14, 2024

概括

在澳大利亚长期监测爬行动物时,发现皮种群的数量正在下降,这可能与天气有关. 火灾也影响了爬行动物检测率,凸显了需要一致的数据收集方法的需要.

科学领域:

生态生态学生态生态学
类学类学类学类学
保护生物学保护生物学

背景情况:

长期生态监测对于了解生态系统动态至关重要,但生物多样性数据仍然很少.
持续监测提供了对人口和社区随时间变化的关键见解.

研究的目的:

为了分析19年的爬行动物监测数据从博德里国家公园 (BNP).
评估时间,息地,火灾和气候对爬行动物物种检测的影响.
确定主要爬行动物物种的趋势和环境关联.

主要方法:

从2003年到2022年,每年对五种爬行动物物种进行调查.
对检测数据的统计分析,考虑时间,息地类型,火灾历史和气候变量.
承认2011年数据收集方法发生了重大变化,影响了数据完整性.

主要成果:

两个皮物种 (Lampropholis delicata,Ctenotus taeniolatus) 显示检测趋势下降,可能是由于天气.
确定了息地协会:森林中的L. delicata,灌木中的Lampropholis guichenoti.
自火灾发生以来,Cryptophis nigrescens和L. delicata的检测概率随着时间的推移而下降.

结论:

长期监测显示,昆虫的数量下降以及环境对爬行动物的影响.
调查方法的改变可能会损害数据完整性;校准是必不可少的.
保持一致的长期数据集对于生态研究和保护至关重要.

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