Search results
Results from the WOW.Com Content Network
In the Pacific Northwest and Alaska, salmon are keystone species. [61] The migration of salmon represent a massive retrograde nutrient transfer, rich in nitrogen , sulfur , carbon and phosphorus , from the ocean to the inland freshwater ecosystems .
In the Pacific Northwest and Alaska, salmon is a keystone species, supporting wildlife from birds to bears and otters. [66] The bodies of salmon represent a transfer of nutrients from the ocean, rich in nitrogen, sulfur, carbon and phosphorus, to the forest ecosystem .
Salmonidae (/ s æ l ˈ m ɒ n ɪ d iː /, lit. ' salmon-like ') is a family of ray-finned fish that constitutes the only currently extant family in the order Salmoniformes (/ s æ l ˈ m ɒ n ɪ f ɔːr m iː z /, lit. "salmon-shaped"), consisting of 11 extant genera and over 200 species collectively known as "salmonids" or "salmonoids".
Grazing species such as plains bison, which is another keystone species, the pronghorn, and the mule deer have shown a proclivity for grazing on the same land used by prairie dogs. [26] Beaver dam, an animal construction which has a transformative effect on the environment. The beaver is a well known ecosystem engineer and keystone species. It ...
Chinook salmon. Chinook salmon are the largest species of Pacific salmon and are also known as king, tyee and blackmouth salmon. Some chinook salmon grow as large as 100 pounds, but typically ...
The grizzly bear is a keystone species found in this region. As an "ecosystem engineer", they regulate the species they prey on, disperse plant seeds, aerate the soil as they dig, and bring salmon carcasses into the forest. [2] The dominant fish species of the region, in which the grizzly bear preys on, is pacific salmon.
Oncorhynchus is a genus of ray-finned fish in the subfamily Salmoninae of the family Salmonidae, native to coldwater tributaries of the North Pacific basin. The genus contains twelve extant species, namely six species of Pacific salmon and six species of Pacific trout, all of which are migratory (either anadromous or potamodromous) mid-level predatory fish that display natal homing and ...
In the U.S. Pacific Northwest 28 populations of salmon and steelhead are listed under the Endangered Species Act and around half of BC Pacific salmon populations are in decline.