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    Southern Dolly Varden
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Salmonid Terminology

Adfluvial: A migratory life history, where the fish makes use of a lake for growth then migrates to a stream to spawn.

Alevin: A life stage of salmonid, where the fish has yet to fully absorb its yolk sac.

Anadromous: A migratory life history in which the fish migrate to the marine environment, then return to freshwater to spawn.

Agonistic Behavior: Aggressive or threatening behavior typically directed at another fish, often used to settle territorial disputes

Anthropogenic: Human caused issues

Benthic: An organism that lives at or near the bottom of a water body

Caudal Fin: The tail fin of a fish

Caudal Peduncle: The narrow part of a fish just in front of the tail fin

ESA: Endangered Species Act

ESU: Evolutionary Significant Unit

Eutrophic: A very nutrient rich body of water. This term typically applies to lakes and is often associated with problematic algae blooms and oxygen depletion in the bottom waters

Fluvial: A migratory population that makes use of a river for growth, then migrates to a smaller stream to spawn

Fry: An early life stage of a fish soon after emerging from the gravel

Grilse: An Atlatnic salmon that returns after a single year at sea.

Guanine: A compound in the skin of salmonids that results in the silvery coloration common to the marine and lacustrine portions of the lifecycle of certain salmonids.

Hybrid: An offspring of two different species or subspecies of fish Kype: The hook like jaw developed by some sexually mature male salmonids

Iteroparous: A fish with the ability to spawn multiple times

Lacustrine: Lake dwelling

Lateral Line: A sensory system running along the side of a fish, is typically used to detect movement and objects in the water

Natal: Birth place

NOAA: National Oceanographic and Atmosphere Administration

Parr: A life stage in a sea-run salmonid prior to smolting and migrating to the marine environment

Semelparous: A fish that dies after a single spawning event

Smolt: A juvenile sea-run salmonid that has begun its migration downstream and to the sea. This stage is characterized by a lose of parr marks and transition to a more silvery coloration.

Redd: The nest or place were some salmonids lay their eggs.



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Armstrong, R.H. 1970. Age, food, and migration of Dolly Varden smolts in Southeastern Alaska. Journal of the Fisheries Research Board of Canada 27(6): 991-1004.

Armstrong, R.H. 1974. Migration of anadromous Dolly Varden (Salvelinus malma) in Southeastern Alaska. Journal of the Fisheries Research Board of Canada 31(4): 435-444.

Armstrong, R.H. and S.T. Elliott. 1972. A study of Dolly Varden in Alaska. Alaska Department of Fish and Game, Federal Aid in Fish Restoration, Annual Progress Report, 1971-1972, Project F-9-4-13:1-34.

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CRS. 1998. 98-32:Endangered Species List Revisions: A Summary of Delisting and Downlisting. National Council for Science and the Environment. Washington D.C.

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Danie, D.S., Trial, J.G. and Stanley, J.G. 1984. Species profiles: life histories and environmental requirements of coastal fish and invertebrates (North Atlantic) Atlantic salmon. United States Fish and Wildlife Service, Washington D.C.

Dolloff, C.A. 1986. Effects of stream cleaning on juvenile coho salmon and Dolly Varden in Southeast Alaska. Transactions of the American Fisheries Society 115(5) 743-755.

Donald, D.B. and Alger, D.J. 1993. Geographic distribution, species displacement, and niche overlap for lake trout and bull trout in mountain lakes. Canadian Journal of Zoology 71(2): 238247.

Downs, C.C., Horan, D., Morgan-Harris, E. and Jakubowski, R. 2006. Spawning demographics and juvenile dispersal of an adfluvial bull trout population in Trestle Creek, Idaho. North American Journal of Fisheries Management 26:190200.

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