文章基本信息

标题：Determination of Stream Reaches in a Ridge and Valley Creek Using Diatom Periphyton Communities
本地全文：下载
作者：Matthew J. Wargo ; Jack R. Holt
期刊名称：Journal of Freshwater Ecology
印刷版ISSN：0270-5060
电子版ISSN：2156-6941
出版年度：1998
卷号：13
期号：4
页码：447-456
DOI：10.1080/02705060.1998.9663641
出版社：Taylor & Francis
摘要：We used the diatom periphyton communities that occurred in Penns Creek as markers for stream reach. Diatom scraping were taken from rocks at six sites in Penns Creek and one site in Pine Creek, cleaned, prepared, and viewed with scanning electron microscopy. Counts were weighted for biovolumes in order to determine biomass percentage compositions of each species in the community. Similarity was calculated using the Bray-Curtis similarity index. Results show that diatoms can be used to determine stream reach, and doing so separate Penns Creek into three reaches during the summer, the time of highest reach stability.