作者: Melanie Bickerton , Geoffrey Petts , Patrick Armitage , Emmanuel Castella
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摘要: The invertebrate communities and environmental characteristics of three English chalk streams; the rivers Wissey, Rhee Pang, were investigated to determine effects groundwater abstraction. data collected as part a larger study 21 UK subject variety types A analytical techniques, including novel multivariate analysis (co-structure analysis), use species profiles, showed significant physical biotic differences between impacted natural sites on each river. observed faunal are discussed in relation existing impact droughts streams, problems associated with determining non-point source abstractions (such from groundwater) considered.