Global S&T Development Trend Analysis Platform of Resources and Environment
Are our lawns biological deserts? | |
admin | |
2018-07-13 | |
发布年 | 2018 |
语种 | 英语 |
国家 | 美国 |
领域 | 气候变化 ; 地球科学 ; 资源环境 |
正文(英文) | ![]() NSF LTER scientists studied the biodiversity of U.S. suburban yards.
Find related stories on NSF's Long-Term Ecological Research program site. Worried about your lawn drying up in the summer heat? A bigger threat may lie next door, in your neighbor’s lawns: they all look alike. Although the American Dream is no longer defined by white picket fences, tidy stretches of grass still line suburban streets in neighborhoods from coast-to-coast. Are these lawns "biological deserts" with declining biodiversity? Ecological homogenization “The cities were selected to represent different climates and vegetation types across the U.S., making the similarities in residential lawns even more striking,” says Peter Groffman of the City University of New York and the Cary Institute of Ecosystem Studies, senior scientist on the study. The results were recently published in the journal Landscape and Urban Planning. Narrowing biodiversity Weeds are often present in turfgrass seeds, and lawn maintenance and disturbed soils create an environment in which these species are successful. On the positive side, says Doug Levey, an NSF LTER program director, "although many of these plants are non-native, some have flowers that support native pollinators. Dandelions and clover are examples." Income’s impact “The big question is how variations in biodiversity might influence lawns' water and nutrient use, and their aesthetic enjoyment,” says Groffman. New research is exploring what American lawns could look like. Scientists are evaluating whether interest in xeriscaping (landscapes that require little water), improving wildlife habitat, and capturing runoff will lead to significant changes. If you’re a homeowner with a yard, consider your lawn’s plant biodiversity. You might be contemplating the future of one of America’s most common ecosystems. -- Cheryl Dybas, NSF (703) 292-7734 cdybas@nsf.gov |
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来源平台 | US National Scientific Foundation (NSF) |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/126329 |
专题 | 气候变化 地球科学 资源环境科学 |
推荐引用方式 GB/T 7714 | admin. Are our lawns biological deserts?. 2018. |
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