UK Environmental Change Network (ECN) frog data: 1994-2015

Frog data from the UK Environmental Change Network (ECN) terrestrial sites. Variables measured include phenology (i.e. the dates when frogs start congregating, spawning, when hatching occurs and when the frogs leave), number of spawn masses, total surface area covered by spawn, percentage of dead spawn, depth, pH, conductivity, alkalinity, aluminium, calcium, chloride, ammonium, nitrate nitrogen, phosphate phosphorous, potassium, sulphate sulphur, sodium, total nitrogen and total dissolved phosphorous. These data are collected at ECN's terrestrial sites using a standard protocol. They represent continuous records from 1994 to 2015. ECN is the UK's long-term environmental monitoring programme. It is a multi-agency programme sponsored by a consortium of fourteen government departments and agencies. These organisations contribute to the programme through funding either site monitoring and/or network co-ordination activities. These organisations are: Agri-Food and Biosciences Institute, Biotechnology and Biological Sciences Research Council, Cyfoeth Naturiol Cymru - Natural Resources Wales, Defence Science & Technology Laboratory, Department for Environment, Food and Rural Affairs, Environment Agency, Forestry Commission, Llywodraeth Cymru - Welsh Government, Natural England, Natural Environment Research Council, Northern Ireland Environment Agency, Scottish Environment Protection Agency, Scottish Government and Scottish Natural Heritage. Full details about this dataset can be found at https://doi.org/10.5285/4d8c7dd9-8248-46ca-b988-c1fc38e51581

源自英国环境变化网络（UK Environmental Change Network，简称ECN）陆地监测站点的青蛙数据集。所测量的变量包括物候学（即青蛙开始聚集、产卵、孵化发生以及青蛙离开的日期），产卵团数量，产卵覆盖的总表面积，死亡产卵的百分比，深度，pH值，电导率，碱度，铝，钙，氯化物，铵，硝酸盐氮，磷酸磷，钾，硫酸硫，钠，总氮和总溶解性磷。这些数据采用标准协议在英国ECN陆地监测站点收集，代表从1994年至2015年的连续记录。ECN是英国长期环境监测计划，由十四个政府部门和机构的联合赞助机构支持的多机构项目。这些机构通过资金支持站点监测和/或网络协调活动来参与该计划。这些机构包括：农业食品和生物科学研究所，生物技术和生物科学研究所，Cyfoeth Naturiol Cymru（威尔士自然资源局），国防科学与技术实验室，环境、食品和农村事务部，环境局，林业委员会，威尔士政府，自然英格兰，自然环境研究委员会，北爱尔兰环境局，苏格兰环境保护局，苏格兰政府以及苏格兰自然遗产。关于此数据集的详细信息可查阅https://doi.org/10.5285/4d8c7dd9-8248-46ca-b988-c1fc38e51581。