Zonation of the invertebrate fauna in a West Indian stream
β Scribed by H. B. N. Hynes
- Publisher
- Springer
- Year
- 1971
- Tongue
- English
- Weight
- 450 KB
- Volume
- 38
- Category
- Article
- ISSN
- 1573-5141
No coin nor oath required. For personal study only.
β¦ Synopsis
Samples of the invertebrate fauna collected at ten points on a mountain stream in Trinidad reveal that the fauna is altitudinally zoned and that the apparent boundary between rhithron and potamon is below 30 m . This is very much lower than has previously been reported in the tropics .
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## Abstract In order to determine the efficacy of sampling benthic invertebrates to a depth of 100 mm as compared with 200 mm, the gravel substratum of an experimental recirculating stream was sampled to both depths. Except for 6 taxa which were significantly more numerous in the shallower samplers