Misty MacDuffee

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Misty MacDuffee

Misty MacDuffee

@Duffling

Most days I am a conservation biologist with Raincoast that focuses on salmon ecology. Other days are different.

Присоединился Mart 2011
173 Подписки903 Подписчики
Misty MacDuffee ретвитнул
Raincoast Conservation Foundation
We would argue that a fish-trading agreement in an era of biodiversity crisis, a #salmon crisis and a climate crisis is not what we need between nations," @Duffling told Undercurrent News. "We need a conservation agreement between nations..." bit.ly/4drDKrE
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Misty MacDuffee
Misty MacDuffee@Duffling·
@Raincoast @Marine_Valeria @LanceBarrettLen @timescolonist The removal of immature (but legal sized) Chinook in a marine fishery acts as a selective pressure (a fishery induced evolution) that lowers survival of fish maturing at older ages and bigger sizes, in favour of younger age and smaller size.
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Misty MacDuffee
Misty MacDuffee@Duffling·
@Raincoast @Marine_Valeria @LanceBarrettLen @timescolonist Unlike most other salmon, Chinook can feed and grow in local waters instead of rearing in the Gulf of Alaska and other North Pacific areas. This makes them vulnerable to being caught in coastal fisheries while they are still growing.
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Misty MacDuffee
Misty MacDuffee@Duffling·
Agree there are plenty of Chinook, the problem is their size & age. SRKW select for 4yrs + & generally > 74cm. Most Chinook (especially from 🇺🇸hatcheries) are much smaller & younger than 100 yrs ago. In Puget Sound, the ave hatchery Chinook (at maturity) is 62 cm long & <3 yr old
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Misty MacDuffee
Misty MacDuffee@Duffling·
@Earth42morrow Its not just climate change; its a century of thoughtless & massively unsustainable land use decisions ahead of climate change
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