Comparison of two sampling methods when studying periphyton colonization in Lam Tsuen River, Hong Kong, China |
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| Authors: | Anping Lei Kwan-sing Paul Lam Zhangli Hu |
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| Institution: | LEI Anping 1,LAM Kwan-sing Paul 2,HU Zhangli 1,1 Institute of Eco-Environment Science,College of Life Sciences,Shenzhen University,Shenzhen 518060,China 2 Department of Biology and Chemistry,City University of Hong Kong,Hong Kong SAR,China |
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| Abstract: | We used standard periphyton samplers to examine the colonization pattern of periphytic algae on artificial substrates (glass slides) in Lam Tsuen River, Hong Kong, in dry (winter) and wet (summer) seasons. In each season, six replicated slides were retrieved randomly and replaced by new slides at weekly intervals over a period of 6 weeks. We thus obtained two batches of slides, both with a series of different exposure times (1 to 6 weeks): one batch was set up at the same time (start of the sampling) and th... |
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| Keywords: | cell biovolume cell density colonization periphyton species diversity |
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