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首页> 美国政府科技报告 >Ecological Effects of Rubble Weir Jetty Construction at Murrells Inlet, South Carolina. Volume 2. Changes in Macrobenthic Communities of Sandy Beach and Nearshore ENvironments
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Ecological Effects of Rubble Weir Jetty Construction at Murrells Inlet, South Carolina. Volume 2. Changes in Macrobenthic Communities of Sandy Beach and Nearshore ENvironments

机译：南卡罗来纳州默勒尔斯湾瓦砾堰码头建设的生态效应。第2卷。沙滩和近岸环境的大型底栖动物群落的变化

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Beach and nearshore areas were sampled at Murrells Inlet, South Carolina, to evaluate the effects of jetty construction on the benthic macroinvertebrate communities in those habitats. Quantitative samples were collected seasonally during jetty construction (1977-78) and again 5 years later along transects located adjacent to and distant from the jetties. Polychaetes, amphipods, and pelecypods were the dominant organisms in both the intertidal and subtidal zones during jetty construction. Although differences were noted in the community structure between these zones, several of the dominant species were abundant in both habitats. Five years later, some of these species were not commonly observed, and oligochaetes and nematodes were abundant in the area. Many of these differences were attributed to normal seasonal and yearly variations. Changes resulting from jetty construction included increased species diversity in a wave-sheltered area, as well as changes in abundance and species composition near the jetties. Many of the observed changes were short term or limited to the area between the jetties where sediment characteristics were altered.

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