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Since the recession of the last glaciation, isolated bodies of water high in mountain crevasses have been topographically separated from fish.[1] Within Washington state a number of lakes in the Olympic and Cascade Mountains have been stocked since the early 20th century. Prior to the existence of a state wildlife management agency, the U.S. Forest Service stocked mountain lakes with rainbow trout (Oncorhynchus mykiss), cutthroat trout (Oncohynchus clarki) and eastern brook trout (Salvelinus fontinalis). High lake management of this era largely focused on improving sport fishing opportunities and secondarily establishing ecological balance. Natural reproduction of fish species, especially eastern brook trout, has led to overpopulation and “stunting” from starvation in low nutrient environments. The result has been decreased interest from fishermen, while causing large, negative impacts on natural lake biota.[2] Addressing concerns for biodiversity can positively impact agendas for the conservation of species, as well as high lakes fishery management.
^Downen, M. R. (2004). Historic, Current, And Proposed Future Management of Sport Fish In High-Elevation Park Lakes. North Cascades National Park High Lakes Fishery Management.
^Pfeifer, B. (2007). Piscivore Control of Reproducing Fish in Washington High Lakes – Mixed Results. Inland and Alpine Fisheries. 2-45.
and 29 Related for: Introduced trout in lake ecosystems information
settings. The introducedtrout replace top predators in otherwise fishless lakes and alter top-down food chains. Studies conducted in the North Cascades...
ecological form is short-lived potamodromous populations inLake Superior known as coaster trout or coasters. The second ecological form is the long-living...
introduced rainbow trout (creating cutbows), predation by introducedlaketrout, and diseases introduced along with these exotic species. Upstream populations...
Yellowstone cutthroat trout into many fishless lakesin Yellowstone National Park. Cutthroat trout were introduced into Lake Michigan tributaries in the 1890s and...
basin but introduced rainbow trout have established wild, self-sustaining populations in other river types such as bedrock and spring creeks. Lake-resident...
Non-native laketrout were discovered in Yellowstone Lakein 1994, and were believed to have been either accidentally or intentionally introduced as early...
Laketrout, along with an introduced freshwater shrimp, Mysis relicta, have drastically changed the food web inLake Tahoe. Nearby Cascade Lakein California...
with introduced rainbow trout (resulting in cutbows) in the Greater Yellowstone ecosystem, the presence of laketroutin Yellowstone and Heart lakesin Yellowstone...
and oldest lakes, with a unique aquatic ecosystem of worldwide importance, with more than 200 endemic species. North Macedonia's side of Lake Ohrid was...
extinct. The rainbow trout is invasive worldwide, and there are multiple efforts to remove them from their non-native ecosystems. Both species are among...
Laketrout/Lacustrine trout, S. t. morpha lacustris Sea trout, S. t. morpha trutta Flathead trout, Salmo platycephalus Marble trout, Soca River trout...
The Greater Yellowstone Ecosystem (GYE) is one of the last remaining large, nearly intact ecosystemsin the northern temperate zone of the Earth. It is...
Sevan trout is likely to become extinct in its "home" lake, it seems that it will survive in Issyk-Kul Lake (Kyrgyzstan), where it was introducedin the...
Several Late Miocene (about 7 million years ago (Mya)) trout-like fossils in Idaho, in the Clarkia Lake beds, appear to be of Oncorhynchus. The presence of...
large river systems, lakes, and the ocean, or they may be resident, remaining in the same stream their entire lives. Migratory bull trout are typically much...
oligotrophic lakes often support fish species such as laketrout, which require cold, well-oxygenated waters. The oxygen content of these lakes is a function...
people in the Kansai region. Lake Biwa is a breeding ground for freshwater fish, including trout, and for the pearl culture industry. The Lake Biwa Canal...
techniques. Freshwater rainbow trout forms have been introduced into the Great Lakes and migrate into tributaries to spawn. In Tasmania, commercially propagated...
that the introduced population of trout and salmon exploded, resulting in the creation of a large sport fishery for these introduced species. Lake Michigan...
Lake Koocanusa (KUU-KAN-U-S-A) is a reservoir in British Columbia (Canada) and Montana (United States) formed by the damming of the Kootenai River by the...
seawaters retreated. Other game fish that can be found in the lake include laketrout, brook trout, brown trout, largemouth bass, and northern pike. Some of these...
by introducedtrout like the laketrout, brown trout, or the rainbow trout as well as Argentinian silverside from the 1930s to the 1950s. A survey in 1962...
fish species of the lake included ship sturgeon (Acipenser nudiventris), all three Pseudoscaphirhynchus sturgeon species, Aral trout (Salmo trutta aralensis)...
native fish such as lake trout, lake whitefish, chub, and lake herring, Sea lampreys are considered a pest in the Great Lakes region as each individual...
river ecosystems and native fish. Carp are the main vector of the introduced Lernaea parasite (Lernaea cyprinacea) and serious vectors of the introduced Asian...
modify the ecosystems of braided rivers. There were fewer lupins around Lake Tekapo in December 2020, due to the water level in the lake being too high...
ecologists later pointed to highly diverse, but heavily invaded ecosystems, arguing that ecosystems with high species diversity were more susceptible to invasion...
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