库页岛(日本海)西海岸库页岛北海道和Decastri种群太平洋鲱鱼产卵场分布

E. Ivshina
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引用次数: 0

摘要

摘要总结了1930-1950年至2020年日本库页岛(海)西海岸库页岛-北海道种群和Decastri种群太平洋鲱鱼产卵场分布情况。包括2019年和2020年产卵场分布、卵密度的数据。现有资料表明,在考虑的种群中,鲱鱼的数量有明显的现代增长迹象。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Distribution of spawning grounds of pacific herring Sakhalin-Hokkaidо and Decastri population off the west coast Sakhalin Island (Japan Sea)
The results of the spawning grounds distribution of the Pacific herring of the Sakhalin-Hokkaidо and Decastri populations off the west coast Sakhalin Island (Sea of Japan) for the period from 1930–1950 to 2020 are summarized. Including data on the distribution of spawning grounds, eggs density in 2019 and 2020. Available information indicates clear signs of a modern increase in the number of herring of the populations under consideration.
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