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Integrating genomics and modelling to predict climate change response and identify drivers of decline in the endangered freshwater pearl mussel (Marga

整合基因组学和建模来预测气候变化响应并确定濒临灭绝的淡水珍珠贻贝（Marga）数量减少的驱动因素

基本信息

批准号：
2725840
负责人：
金额：
--
依托单位：
University of Aberdeen
依托单位国家：
英国
项目类别：
Studentship
财政年份：
2021
资助国家：
英国
起止时间：
2021 至无数据
项目状态：
未结题

来源：
https://gtr.ukri.org/projects?ref=studentship-2725840
关键词：
Integrating genomics modelling predict climate

项目摘要

Accurate predictions of climate change response are needed to protect global biodiversity that continues to be impacted by environmental change. Recent work has demonstrated the utility of genomics for improving these predictions (Waldvogel et al., 2019), and it has the power to transform wildlife conservation. Although these methods are applicable to all ecosystems and taxa, their predictions are particularly critical for species that are of national importance. Mussels are important to the health of freshwater ecosystems because of their role in water purification and nutrient cycling (Vaughn, 2017), but they are also among the most endangered animals on the planet. The freshwater pearl mussel, Margaritifera margaritiera, was once widely distributed across the Northern Hemisphere, but is now considered rare across most of its range. Some of the largest remaining populations have been found in northwest Scotland (Cosgrove et al. 2016), making it a pressing conservation priority for the region. Several factors have contributed to their decline, including pollution, pearl fishing and low density of salmonids that serve as hosts for the larval stage, but the role of climate in this decline is largely unknown and critical to understand.

为了保护继续受到环境变化影响的全球生物多样性，需要准确预测气候变化的反应。最近的工作已经证明了基因组学用于改进这些预测的效用（Waldvogel等人，2019年），它有能力改变野生动物保护。虽然这些方法适用于所有的生态系统和类群，它们的预测是特别重要的国家重要的物种。贻贝对淡水生态系统的健康很重要，因为它们在水净化和营养循环中发挥着重要作用（沃恩，2017），但它们也是地球上最濒危的动物之一。淡水珍珠贻贝，Margaritifera margaritiera，曾经广泛分布在北方半球，但现在被认为是罕见的，在其大部分范围。苏格兰西北部发现了一些最大的剩余种群（Cosgrove et al. 2016），使其成为该地区迫切的保护优先事项。有几个因素导致了它们的下降，包括污染，珍珠捕捞和低密度的鲑鱼作为幼虫阶段的宿主，但气候在这种下降中的作用在很大程度上是未知的，理解这一点至关重要。