新西兰 45% 的河流不适合游泳，48% 的河流无法进入濒危鱼类；氮、磷和入侵物种对河流生态系统和饮用水质量造成压力。 45% of NZ rivers unsuitable for swimming, 48% inaccessible to endangered fish; nitrogen, phosphorus, invasive species strain river ecosystems and drinking water quality.
据环境部称，新西兰的河流数量正在减少，45% 的河流不适合游泳，48% 的河流不适合濒临灭绝的鱼类。 New Zealand's rivers are in decline with 45% unsuitable for swimming and 48% inaccessible to endangered fish, according to the Ministry for the Environment. 氮和磷的输入以及入侵物种给河流生态系统带来压力并影响饮用水质量。 Nitrogen and phosphorous inputs, along with invasive species, strain river ecosystems and impact drinking water quality. 政府对淡水管理的关注凸显了对更好、更快监测方法的需求，环境 DNA (eDNA) 为评估河流健康提供了一种有前景的工具。 The government's focus on freshwater management highlights the need for better, faster monitoring methods, with environmental DNA (eDNA) offering a promising tool to assess river health.