Quantifying ecological impacts and long-term sustainability of The Cheshire Beaver Project

由于人类活动，欧亚海狸(蓖麻纤维)从英国大陆消失。由于最近高调的项目展示了海狸作为有益的栖息地改良者的作用，它的重新引入现在正在获得动力。在这些发展的基础上，柴郡海狸项目正在进行一项科学监测的重新引入试验，目的是利用海狸进行自然过程驱动的栖息地管理。作为第一步，海狸将被释放到一个围栏区域，毗邻水质下降和泥炭地栖息地受到威胁的SSSI。据预测，这些海狸将具有多种生态效益，包括增加生物多样性和减少入侵物种。它们的释放提供了巨大的潜力，既可以改善重新引入地点的水质，又可以加强邻近SSSI的保护地位。利用生态调查技术、实验室分析和数据建模，这个项目将调查四个最重要的主题：1)生物多样性的变化，包括入侵物种的减少，2)潜在的水质改善，3)对海狸行为、健康和福利的非侵入性监测，以及4)模拟未来海狸放生的预测长期成功以及在切什尔建立自我维持的海狸种群的可能性。由于人类活动，欧亚海狸(蓖麻)在英国大陆消失了。由于最近高调的项目展示了海狸作为有益的栖息地改良者的作用，它的重新引入现在正在获得动力。在这些发展的基础上，柴郡海狸项目正在进行一项科学监测的重新引入试验，目的是利用海狸进行自然过程驱动的栖息地管理。作为第一步，海狸将被释放到一个围栏区域，毗邻水质下降和泥炭地栖息地受到威胁的SSSI。据预测，这些海狸将具有多种生态效益，包括增加生物多样性和减少入侵物种。它们的释放提供了巨大的潜力，既可以改善重新引入地点的水质，又可以加强邻近SSSI的保护地位。PHD的目标包括：-分析和增加海狸重新引入地点和邻近地区的生态调查数据集，测试生物多样性预期增加和入侵物种减少的证据。-测试重新引入地点及其流入的邻近SSSI的水质预期改善情况。-开发和应用非侵入性技术，随着人口密度的增加，监测封闭地区海狸的行为、健康和福利，为利益攸关方的管理决策提供信息。-根据i)栖息地适宜性和连通性，以及ii)在一系列重新引入情景和管理战略下的种群生存能力，模拟与该项目相关的未来海狸放生的预测长期成功，以及建立自我维持种群的潜力。该项目解决了保护受威胁的泥炭地栖息地的迫切需要，这些栖息地对于捕获和储存碳尤为重要。重新引入海狸为恢复和加强这种栖息地提供了巨大的潜力。学生将测试这种方法的实用性和长期可持续性，以促进健康的泥炭地栖息地。

The Eurasian beaver (Castor fiber) was lost from mainland Britain due to human activities. Its reintroduction is now gaining momentum, driven by recent high-profile projects demonstrating the role of beavers as beneficial habitat-modifiers. Building on these developments, the Cheshire Beaver Project is conducting a scientifically monitored trial reintroduction, with the aim of utilising beavers for natural process driven habitat management. As a first step, beavers will be released into a fenced area, adjacent to an SSSI with declining water quality and threatened peatland habitats. The beavers are predicted to have multiple ecological benefits, including an increase in biodiversity and reduction in invasive species. Their release offers significant potential both to improve water quality at the reintroduction site, and to enhance the conservation status of the adjacent SSSI. Using ecological surveying techniques, laboratory analysis, and data modelling, this project will investigate four over-arching topics: 1) changes in biodiversity including reductions in invasive species, 2) potential water quality improvements, 3) non-invasive monitoring of beaver behaviour, health and welfare, and 4) modelling the projected long-term success of future beaver releases and of the potential for establishing self-sustaining beaver populations in Cheshire.The Eurasian beaver (Castor fiber) was lost from mainland Britain due to human activities. Its reintroduction is now gaining momentum, driven by recent high-profile projects demonstrating the role of beavers as beneficial habitat-modifiers. Building on these developments, the Cheshire Beaver Project is conducting a scientifically monitored trial reintroduction, with the aim of utilising beavers for natural process driven habitat management. As a first step, beavers will be released into a fenced area, adjacent to an SSSI with declining water quality and threatened peatland habitats. The beavers are predicted to have multiple ecological benefits, including an increase in biodiversity and reduction in invasive species. Their release offers significant potential both to improve water quality at the reintroduction site, and to enhance the conservation status of the adjacent SSSI. Objectives of the PhD include:- Analyse and add to ecological survey datasets for the beaver reintroduction site and adjacent areas, testing for evidence of predicted increases in biodiversity and reductions in invasive species.- Test for predicted improvements in water quality at the reintroduction site and adjacent SSSI into which it flows. - Develop and apply non-invasive techniques for monitoring the behaviour, health and welfare of beavers in enclosed areas as population density increases, to inform stakeholder management decisions. - Model the projected long-term success of future beaver releases linked to the project, and potential for establishment of self-sustaining populations, based on i) habitat suitability and connectivity, and ii) population viability, under a range of reintroduction scenarios and management strategies. The project addresses an urgent need to conserve threatened peatland habitats, which are particularly important for capturing and storing carbon. The reintroduction of beavers offers significant potential for the restoration and enhancement of such habitats. The student will test the utility and long-term sustainability of this approach for promoting healthy peatland habitats.