| Autor: |
Jian Zhang, Xiaofei Shi, Pingguo He, Jiangao Shi |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
|
| Zdroj: |
Aquaculture and Fisheries, Vol 8, Iss 3, Pp 332-340 (2023) |
| Druh dokumentu: |
article |
| ISSN: |
2468-550X |
| DOI: |
10.1016/j.aaf.2021.12.007 |
| Popis: |
To stop the decline of swimming crab (Portunus trituberculatus) stocks in the East China Sea, escape vents on crab pots are urgently required to improve pot selectivity and enable release of sublegal-sized crabs. This study presents field comparative fishing experiments, which examined the effectiveness of different shapes and sizes of escape vents in crab pots for the release of swimming crabs. Two sizes each of rectangular, elliptic, and circular escape vents were tested. The results of comparative fishing experiments indicated that experimental pots with escape vents, regardless of their configuration, caught significantly fewer sublegal-sized crabs ( |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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