Not exact matches
By midsummer, low stream flows and warm water had killed half the annual
sockeye salmon breeding run in the Columbia
River.
Scientists at the University of Washington in Seattle's (U.W.) School of Aquatic and Fishery Sciences think they know why Bristol Bay is so productive year after year: Several hundred discrete populations of
sockeye salmon inhabit the network of
rivers and lakes that empty into the bay, and this tremendous population diversity buffers the entire fishery against the vicissitudes of the environment.
But the industrialized motif of North America's longest dam - free
river belies a rare natural treasure: a
sockeye salmon run with a historical average of eight million fish worth over $ 1 billion.
Dolly Varden trout, perhaps the lesser - known cousin of Alaska's famous
sockeye salmon, are abundant in the relatively untouched Alec and Chignik
rivers of the Alaska Peninsula.
Every summer,
sockeye also spawn by the hundreds of thousands here, and an excess of
salmon eggs is left floating in the
rivers or collecting in clusters along the bank.
Not all of the Fraser
River's
salmon swim as far as the Chilko
sockeye.
Another benefit of Kamchatka's isolation is protection for populations of chum,
sockeye, chinook, coho and pink
salmon, which return by the millions to spawn in Kamchatka's
rivers.
In the fall, a million
sockeye salmon journey up the
river to spawn, and dozens of grizzly bears come to its banks to dine before winter.
Grizzlies flock to the park's Brooks
River in summer to fish for
sockeye salmon on their spawning run inland from the Bering Sea, a spectacle that humans can view and photograph from elevated wooden platforms.
They can be seen at Brooks
River and even more so at Brooks Falls in Katmai National Park catching
sockeye salmon in June and July and silver
salmon in late August and September.
Each autumn, the world's most concentrated
sockeye salmon run flows up Canada's 7.5 - mile - long Adams
River in British Columbia.
Fishing is a year - round passion in Campbell
River, with anglers hooking Chinook
salmon 12 months of the year and four other varieties — coho, pink, chum and
sockeye — from May to November.
Guests fish for king
salmon and silver
salmon, and also catch chum, pink, and
sockeye salmon, rainbow trout and Dolly Varden on Fishtale's Little Susitna
River and Deshka
River charter boat trips.
Anglers — and foodies — know all about delicious Copper
River red
salmon, and
sockeye, coho, and king
salmon can be plucked from the braided Copper
River every summer.
The Alaska Department of Fish and Game carefully manages the Bristol Bay
sockeye salmon fishery to ensure that enough fish are allowed to escape the fishery and run up
river to sustain the population.
The peak of the
sockeye salmon run in the Naknek
River watershed, which the Brooks
River is part of, is in early July.
The Fraser
River of Canada has runs at least four times larger, plus millions more of
sockeye and other
salmon species.
Why is the Tidal Fraser
River not open for pink
salmon when incidental by - catches of
sockeye salmon are unheard of due to the specific fishing techniques being employed for pink
salmon?
What emerged was a trend showing
sockeye -
salmon declines on the Fraser
River were not unique and were happening on a wider scale and much farther north than originally anticipated.
In the US, the populations of
sockeye salmon in Snake
River (Idaho, Oregon and Washington area) and in Lake Ozette, Washington, are listed under the Endangered Species Act as endangered and threatened (respectively).