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logo 11/27/2024 2:31:45 PM     
Ограничения по рыболовству введут на реке Мезень в Коми 
RU Source: Рыболовство 1/28/2022
Ограничения по рыболовству введут на реке Мезень в Коми
Credit: Википедия
Соответствующий приказ подготовило региональное министерство природных ресурсов и окружающей среды. По результатам ихтиологических исследований и мониторинга состояния водных ресурсов рыбохозяйственный потенциал реки значительно изменился
 

Специалисты отметили сокращение численности сига и европейского хариуса. Также мониторинг показал уменьшение длины и веса данных видов рыб. Доминантная группа сформирована рыбами в возрасте 3–4 лет. Из контрольных выловов исчезли рыбы старших возрастных групп, а также особи предельного возраста.

 
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1219Britains fish populations are in a deeply troubling statetheguardian2023-09-13UK
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1221Electricity from electric eels may transfer genetic material to nearby animalsphys2023-12-05JP
1222Is Norway’s farmed salmon as healthy as we think?Radio Sweden2019-06-13NO
1223Wild salmon conservation group raises concerns about herring kills at B.C. fish farmsyahoo2023-12-05US
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