Comparison of two sampling methods when studying periphyton colonization in Lam Tsuen River, Hong Kong, China

Anping Lei; Kwan-sing Paul Lam; Zhangli Hu

doi:10.1007/s00343-011-9961-5

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Comparison of two sampling methods when studying periphyton colonization in Lam Tsuen River, Hong Kong, China

OriginalPaper | Updated：2023-05-16

- Comparison of two sampling methods when studying periphyton colonization in Lam Tsuen River, Hong Kong, China
- Comparison of two sampling methods when studying periphyton colonization in Lam Tsuen River, Hong Kong, China
- 海洋湖沼学报（英文） 2011年29卷第1期页码：141-149
- Affiliations：
  
  1. Institute of Eco-Environment Science College of Life Sciences Shenzhen University
  2. Department of Biology and Chemistry City University of Hong Kong
- Author bio：
- Funds：
  
  Supported by the National Natural Science Foundation of China (Nos. 30770393;30770340), the National Major Program of Science and Technology for Water Pollution Control and Restoration in China (Nos.2009ZX07423-003, 2009ZX07101-011), and the Natural Science Foundation of Guangdong Province, China (No. 06301361)
- DOI：10.1007/s00343-011-9961-5
  中图分类号：
- 网络首发：2011-01-15，
  
  纸质出版：2011
- Accepted：
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Comparison of two sampling methods when studying periphyton colonization in Lam Tsuen River, Hong Kong, China[J]. 海洋湖沼学报（英文）, 2011,29(1):141-149.

Lei, A., Lam, Ks.P. & Hu, Z. Comparison of two sampling methods when studying periphyton colonization in Lam Tsuen River, Hong Kong, China., Chin. J. Ocean. Limnol. 29, 141–149 (2011). https://doi.org/10.1007/s00343-011-9961-5
Comparison of two sampling methods when studying periphyton colonization in Lam Tsuen River, Hong Kong, China[J]. 海洋湖沼学报（英文）, 2011,29(1):141-149. DOI： 10.1007/s00343-011-9961-5.

Lei, A., Lam, Ks.P. & Hu, Z. Comparison of two sampling methods when studying periphyton colonization in Lam Tsuen River, Hong Kong, China., Chin. J. Ocean. Limnol. 29, 141–149 (2011). https://doi.org/10.1007/s00343-011-9961-5 DOI：

摘要

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 the other was harvested at the same time (end of the sampling). Changes in taxonomic composition

species diversity (Shannon-Wiener diversity index)

standing crop (in terms of cell density and cell biovolume)

and abundance of the abundant algal species were monitored and compared between the two batches of slides. The succession patterns of the periphytic algae were similar between the two batches in each season

while more remarkable differences were observed between the two seasons

suggesting that either batch would be suitable for a colonization study of periphytic algae. The cell density was dominated by diatoms in both seasons

while the cell biovolume was dominated by diatoms in winter and by green algae in summer. The cell density and biovolume attributed to blue green algae was relatively small. Most of the diatom species exhibited similar colonization patterns throughout the experiment

while green algae showed different succession patterns in different seasons or sampling methods

indicating that diatoms are better bio-indicators than green algae for a periphyton colonization study. In general

the diversity indices and the standing crops reached their maximums at around week 4

and they were higher in summer than in winter.

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references

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