commercial abundance

См. также в других словарях:

• commercial abundance — commercial stock …   Dictionary of ichthyology

• Commercial fishing in Alaska — Commercial fishing is a major industry in Alaska, and has been for hundreds of years. Alaska Natives have been harvesting salmon and many other types of fish since the early 17th century. Russians came to Alaska to harvest its abundance of… …   Wikipedia

• Commercial cleaning — is a broadly based term predominantly used by cleaning companies who earn an income by being contracted by individuals, businesses or corporations to carry out cleaning jobs on a variety of premises.Commercial cleaning involves cleaning a site… …   Wikipedia

• commercial fishing — Introduction  the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them.       Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… …   Universalium

• Occupancy-abundance relationship — In macroecology, the occupancy abundance (O A) relationship is the relationship between the abundance of species and the size of their ranges within a region. This relationship is perhaps one of the most well documented relationships in… …   Wikipedia

• nitrogen group element — ▪ chemical elements Introduction  any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …   Universalium

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… …   Wikipedia

• Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …   Universalium

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

• Sei Whale — Taxobox name = Sei Whale MSW3 Cetacea|id=14300014] image caption = A Sei Whale feeding near the surface. image2 caption = Size comparison against an average human status = EN status system = iucn3.1 status ref =IUCN2008|assessors=Reilly, S.B.,… …   Wikipedia