Abstract

As human-dominated land-use increases globally, urbanization is a prominent cause of a decline in natural areas, including lentic ecosystems (i.e. lakes, ponds and wetlands). Lentic ecosystems in urban green spaces, such as parks, golf courses or forest preserves, could provide important habitat for organisms within the urban matrix. However, there is a lack of data comparing lentic habitats across these land-use types. We quantified the area of golf courses and forest preserve habitats in the Chicago Metropolitan Region. We measured pesticide concentrations, water chemistry, physicochemical parameters and algal composition in lentic habitats of golf courses and forest preserves in the spring and summer of 2017. Permanent ponds, whether located within a golf course or forest preserve, had similar water quality, chemistry and chlorophyll a and phycocyanin, but differed from ephemeral ponds in forest preserves. Pesticide concentrations within golf course ponds were found in 11 of 25 courses, but only three pesticides (out of 10 measured) were detected. These data suggest golf courses can provide lentic habitats of similar quality to other adjacent land-use types. Additional study is needed to document their role in providing habitat for aquatic biota and sustaining ecosystem services in urban landscapes.

摘要

随着人类主导的全球土地使用量的增加，城市化是导致自然面积下降的一个主要原因，其中包括透镜状生态系统（如湖泊，池塘和湿地）。诸如公园，高尔夫球场或森林保护区之类的城市绿地中的极地生态系统可以为城市基质内的生物提供重要的栖息地。但是，缺乏比较这些土地利用类型上的透镜体生境的数据。我们量化了芝加哥都会区的高尔夫球场和森林保护区的面积。我们在2017年春季和夏季测量了高尔夫球场和森林保护区的透镜状生境中的农药浓度，水化学，理化参数和藻类成分。无论是位于高尔夫球场还是森林保护区内的永久性池塘，其水质，化学性质和叶绿素a和藻蓝蛋白，但不同于森林保护区中的短暂池塘。高尔夫球场池塘中的农药浓度在25个球场中的11个中被发现，但仅检测到3种农药（测得的10种之中）。这些数据表明，高尔夫球场可以提供与其他邻近土地利用类型相似质量的片状栖息地。需要进一步的研究，以证明它们在为水生生物提供栖息地和维持城市景观中的生态系统服务中的作用。