Аbout the influence of the use of «zaezdok» type nets on the passing of the Рacific salmon producers to the springing territories in the Аmur and Аmur liman
https://doi.org/10.36038/0234-2774-2022-23-4-230-239
Abstract
Materials are presented on the study of the technology of harvesting Pacific salmon, using fixed seines of the «zaezdok» type in the Amur estuary and the river. Amur, in order to ensure the passage of spawners of Pacific salmon during passing days without dismantling the wings and the trap, but only by closing the inlet device of the reservoir. The results of the conducted studies showed that the design of a fixed seine of the «zaezdok» type does not prevent the passage of fish to spawning grounds, does not allow it to be bound and does not cause damage to the prey object. During periods of skipping spawners («passing days»), it is sufficient to close the entrance to the seine trap and raise its netting. This ensures the unhindered exit of fish from the fishing area of the prey tool. Installation of additional structural elements (windows, etc.) is not required to ensure the passage of fish.
About the Authors
E. A. Zakharov
Pacific branch of the Russian Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Vladivostok, 690091
D. L. Shabelsky
Pacific branch of the Russian Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Vladivostok, 690091
N. L. Vacker
Pacific branch of the Russian Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Vladivostok, 690091
V.I I. Polyanichko
Pacific branch of the Russian Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Vladivostok, 690091
V. S. Krasnov
Pacific branch of the Russian Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Vladivostok, 690091
V. I. Shevtsov
Pacific branch of the Russian Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Vladivostok, 690091
M. A. Mizyurkin
Pacific branch of the Russian Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Vladivostok, 690091
O. N. Kruchinin
Pacific branch of the Russian Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Vladivostok, 690091
V. M. Volotov
Pacific branch of the Russian Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Vladivostok, 690091
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Review
For citations:
Zakharov E.A., Shabelsky D.L., Vacker N.L., Polyanichko V.I., Krasnov V.S., Shevtsov V.I., Mizyurkin M.A., Kruchinin O.N., Volotov V.M. Аbout the influence of the use of «zaezdok» type nets on the passing of the Рacific salmon producers to the springing territories in the Аmur and Аmur liman. Problems of Fisheries. 2022;23(4):230-239. (In Russ.) https://doi.org/10.36038/0234-2774-2022-23-4-230-239
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