mixed fishery
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Mixed stock fishery — A mixed stock fishery is a fishery whose stock consists of fish that are of a variety of ages, sizes, species, geographic or genetic origins or any combination of these variables. Mixed stock fisheries offer a challenge to fisheries managers due… … Wikipedia
mixed stock fishery — a fishery catching fish from more than one stock … Dictionary of ichthyology
mixed stock exception — where many species of fish occur together, some may be overfished while others are being harvested in a sustainable fashion. If these mixed stocks were managed on the basis of the overfished stock then no fishery could occur an exception is made… … Dictionary of ichthyology
River Dee, Wales — Geobox|River name = River Dee (Wales) native name = Afon Dyfrdwy other name = other name1 = image size = 312 image caption = The River Dee at Llangollen country = Wales country country1 = England country1 country2 = country2 state = state1 =… … Wikipedia
Payette River — The Payette River is a convert|62|mi|km|adj=on [GNIS|388284|Payette River] river in southwestern Idaho, and is a major tributary of the Snake River.Its headwaters originate in the Sawtooth and Salmon River mountains at elevations over 10,000 feet … Wikipedia
River Dee (Wales) — For other River Dees in the United Kingdom, see River Dee (disambiguation). Coordinates: 53°21′14″N 3°13′33″W / 53.35389°N 3.22583°W / 53.35389; … Wikipedia
cañada — /keuhn yah deuh, yad euh/, n. Chiefly Western U.S. 1. a dry riverbed. 2. a small, deep canyon. [1840 50; < Sp, equiv. to cañ(a) CANE + ada n. suffix] * * * Canada Introduction Canada Background: A land of vast distances and rich natural resources … Universalium
Canada — /kan euh deuh/, n. a nation in N North America: a member of the Commonwealth of Nations. 29,123,194; 3,690,410 sq. mi. (9,558,160 sq. km). Cap.: Ottawa. * * * Canada Introduction Canada Background: A land of vast distances and rich natural… … Universalium
Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… … Universalium
Atlantic Ocean — an ocean bounded by North America and South America in the Western Hemisphere and by Europe and Africa in the Eastern Hemisphere. ab. 31,530,000 sq. mi. (81,663,000 sq. km); with connecting seas ab. 41,000,000 sq. mi. (106,100,000 sq. km);… … Universalium
