1,191 followers
5,024 followers
1,085 followers
Hatcheries are bad for wild trout and salmon and here's more proof. https://t.co/U59d503kYY A look at peer-reviewed research on the topic shows that hatcheries damage wild salmonid populations in both freshwater and marine environments.
236 followers
RT @m_laevis: 1970-2021年までに、世界各地で行われたサケ科の放流の効果を調べた206の研究をみたところ、83%で何らかの(微弱含む)負の効果がみられ、正の効果がみられたのは3%にとどまった。 https://t.co/obqdMwyWkJ