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The influence of matrix type in the relationship between patch size and amphibia richness: A global Meta-Analysis
Acta Oecologica ( IF 1.3 ) Pub Date : 2020-05-08 , DOI: 10.1016/j.actao.2020.103577
Tatiana Motta-Tavares , Carlos Frederico Duarte Rocha , Luiz dos Anjos

The species-area relationship (SAR) is one of the main topics debated in ecology. Amphibians are highly sensitive to habitat loss and fragmentation, due to their traits and reproductive requirements. In the present study, we developed a meta-analysis to address a mean effect size to SAR regarding forest amphibians in man-made fragmented landscapes, and tested the influence of seven in-study and landscape variables that may affect this relationship globally. We conducted a search using the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) protocol and calculated an effect size for each one of the 28 studies elected by our criteria. There is a positive relationship between amphibia richness and patch area, with a mean effect size of 0.68 and high heterogeneity among studies. The meta-regressions showed that only the matrix type surrounding the patches affected the variance between studies, explaining 46%. Clear cut was the matrix with the highest effect size, followed by silviculture, but both had a low representation of studies. Agriculture, grazing and urban matrices had a significant influence on patch area and the species richness relationship, but with distinct mean effects sizes and variances between-studies. The matrix type around the remnants may substantially affect results and interpretation of the SAR, possibly due to the varying capacity of amphibia species to cross and inhabit each matrix type. If possible, SAR should be compared within a context of multiple landscapes, and not only with a patch-focused and local approach.



中文翻译:

基质类型对斑块大小与两栖动物丰富度之间关系的影响:全局Meta分析

物种-区域关系(SAR)是生态学争论的主要话题之一。由于两栖动物的特征和繁殖要求,它们对栖息地的丧失和破碎高度敏感。在本研究中,我们进行了荟萃分析,以解决人为分割景观中森林两栖动物对SAR的平均影响大小,并测试了可能在全球范围内影响这种关系的七个研究和景观变量的影响。我们使用“系统评价和荟萃分析的首选报告项目”(PRISMA)协议进行了搜索,并针对根据我们的标准选择的28项研究中的每一项计算了效应大小。两栖动物的丰富度和斑块面积之间存在正相关关系,平均效应大小为0.68,研究之间的异质性很高。荟萃回归表明,只有斑块周围的基质类型影响研究之间的方差,解释了46%。明确的切割是效果最大的基质,其次是造林,但两者的研究代表性均较低。农业,放牧和城市矩阵对斑块面积和物种丰富度关系有显着影响,但平均效应大小和研究之间的差异却明显。残留物周围的基质类型可能会严重影响SAR的结果和解释,这可能是由于两栖动物越过和栖息于每种基质类型的能力不同所致。如有可能,应在多个景观的背景下比较SAR,而不仅要以补丁为重点和局部方法进行比较。明确的切割是效果最大的基质,其次是造林,但两者的研究代表性均较低。农业,放牧和城市矩阵对斑块面积和物种丰富度关系有显着影响,但平均效应大小和研究之间的差异却明显。残留物周围的基质类型可能会严重影响SAR的结果和解释,这可能是由于两栖动物越过和栖息于每种基质类型的能力不同所致。如有可能,应在多个景观的背景下比较SAR,而不仅要以补丁为重点和局部方法进行比较。明确的切割是效果最大的基质,其次是造林,但两者的研究代表性均较低。农业,放牧和城市矩阵对斑块面积和物种丰富度关系有显着影响,但平均效应大小和研究之间的差异却明显。残留物周围的基质类型可能会严重影响SAR的结果和解释,这可能是由于两栖动物越过和栖息于每种基质类型的能力不同所致。如有可能,应在多个景观的背景下比较SAR,而不仅要以补丁为重点和局部方法进行比较。放牧和城市矩阵对斑块面积和物种丰富度关系有显着影响,但均值效应的大小和研究之间的差异却很明显。残留物周围的基质类型可能会严重影响SAR的结果和解释,这可能是由于两栖动物越过和栖息于每种基质类型的能力不同所致。如有可能,应在多个景观的背景下比较SAR,而不仅要以补丁为重点和局部方法进行比较。放牧和城市矩阵对斑块面积和物种丰富度关系有重大影响,但均值效应的大小和研究之间的差异却很明显。残留物周围的基质类型可能会严重影响SAR的结果和解释,这可能是由于两栖动物越过和栖息于每种基质类型的能力不同所致。如有可能,应在多个景观的背景下比较SAR,而不仅要以补丁为重点和局部方法进行比较。

更新日期:2020-05-08
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