Variation in numbers of eel Anguilla anguilla caught by constant effort in an Irish lake, 1981–1994
Abstract– A total of 8,903 eels were collected in 503 fyke‐net samples during the months March to December from 1981 to 1994 in a small bay in Lough Derg, a mesotrophic lake. Variations in catch between months and between years are described. In addition to expected decreases in catch in the colder...
| Published in: | Ecology of Freshwater Fish |
|---|---|
| Main Author: | |
| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
Wiley
1996
|
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1111/j.1600-0633.1996.tb00047.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1600-0633.1996.tb00047.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1600-0633.1996.tb00047.x |
| Summary: | Abstract– A total of 8,903 eels were collected in 503 fyke‐net samples during the months March to December from 1981 to 1994 in a small bay in Lough Derg, a mesotrophic lake. Variations in catch between months and between years are described. In addition to expected decreases in catch in the colder months, a regular reduction was observed in June. Low catches were observed from 1985 to 1987, coinciding with low water temperatures. A very low catch in August 1994 may have been a chance variation but could have been a first indication of the effects of poor recruitment or of increased commercial fishing effort. The results support the initial hypothesis that a long‐term study is required to determine the extent of variation in an eel population. |
|---|