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How do scientists track the progress of wild and stocked salmon populations?
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∙ 12y ago
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∙ 12y ago
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What are the Bad points about hydroelectricity?
Hydroelectricity is bad points: -Environment loss Salmon and trout spawning routs have been destroyed thanks to dams, scientists came up with a not so affective if solving it by creating salmon ladders that run beside the dams. - Relocation of homes -Greenhouse gas affect
Is salmon a herbivore?
No, salmon are omnivores. What salmon eat depends on the species, but when they are young, some eat tiny zooplankton. Other species eat plankton, tiny insects and small crustaceans. When they get older, they eat other fish and larger insects.
How can a salmon swims upstream using Newtions Third law of motion?
Fish swim upstream by powerfully thrusting their tails to counteract the current. They are then able to slowly but surely travel upstream.
Are salmon carnivores carnivores or herbivores?
Yes, they are omnivores primarily feeding on plants; but are known to eat small fish, even their own eggs.
C) Explain what would happen to the salmon's cells if this process did not occur?
I'm assuming you're talking about osmosis. If osmosis didn't occur, then the saltwater salmon couldn't adapt to freshwater and would suffer from a lack of water and too much salt in the cells, and the freshwater salmon would have too much water and not enough salt in it's cells. The saltwater salmon would shrivel up in freshwater, and the freshwater salmon would burst in saltwater.
How do you think stocked salmon disrupt natural wild populations?
Stocked salmon disrupt natural wild populations because it gets the individual species of a community out of sync. The larger fish and animals that eat the salmon will not be able to keep up with the rapid increase in population and progeny of the stocked salmon. In addition, the animals that salmon prey on (small aquatic species such as plankton) may all be consumed and disappear from the community altogether.
Do salmon live in Minnesota?
Yes! Salmon Live in Minnesota's Water of Lake Superior. There are currently 3 species: Pink salmon, Coho Salmon and Chinook Salmon. Atlantic Salmon were stocked years ago but the stocking program no longer exists. All Resident Salmon have been stocked. Currently there are no Salmon Stocking Programs in Minnesota's Lake Superior Waters.
What forces threaten salmon populations?
Many forces threaten salmon populations, there are forces such as over fishing, fishing techniques (purse seine), dams that block the upstream travel of salmon, reservoirs and lakes behind dams, damage from logging in the form of disturbed soil, and mining damage.
What has the author E Oguss written?
E. Oguss has written: 'Chinook populations and sport fishing parameters of Kitimat Arm' -- subject(s): Kitimat Arm, Fishes, Chinook salmon fishing, Fish populations, Chinook salmon
Why do wild salmon populations face the threat of extinction while pet goldfish populations are in no such danger?
Salmon is a public good, which means that people can profit from catching, killing, and selling salmon for consumption. Goldfish on the other hand are a private goods. They are bred and sold, which only contributes to goldfish population growth.
Which evidence did Ottawa scientists collect in researching PCB concentrations in Alaska?
The evidence that Ottawa scientists collected in researching PCB concentrations in Alaska was that salmon were responsible for high levels of PCB. Salmon head to Alaska to spawn and the lakes with the most salmon have the highest levels of PCB.
What has the author Robert D Mecum written?
Robert D. Mecum has written: 'Escapements of chinook salmon in southeast Alaska and transboundary rivers in 1989' -- subject(s): Salmon fisheries, Chinook salmon, Fish populations
What has the author Milner Baily Schaefer written?
Milner Baily Schaefer has written: 'A study of the spawning populations of sockeye salmon in the Harrison River system, with special reference to the problem of enumeration by means of marked members' -- subject(s): Fish populations, Salmon fisheries
What is the criteria that scientists use to compare jaguars and salmon sharks?
fish and cat :)
Is there fish in the crater lake in Oregon?
Originally Crater Lake did not hold any fish, but between 1888 and 1941 lake was stocked with 1.8 million trout and salmon including Rainbow trout, Brown trout, Cutthroat trout, Steelhead trout, Coho or Silver salmon, and Kokanee salmon. Only Kokanee salmon, the landlocked form of Sockeye salmon, and Rainbow trout remain. No stocking has occurred since 1941.
What has the author Stephen Hammarstrom written?
Stephen Hammarstrom is an author known for writing the book "Dream Road: A Journey of Discovery." This book explores spirituality and personal growth through the protagonist's experiences on a road trip.
What has the author Dean E Beers written?
Dean E. Beers has written: 'Harvest estimate for the Gastineau Hatchery roadside sport fishery in Juneau, Alaska during 1995' -- subject(s): Statistics, Salmon-fisheries, Fish populations, Fishing, Measurement 'Production of coho salmon from Slippery Creek, 1997-1998' -- subject(s): Coho salmon, Statistics, Fish stock assessment, Fish populations, Measurement
