Fisheries Glossary

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High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! 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 systematic gathering of information on fish availability and abundance using underwater sound. Acoustical oceanography - the use of underwater sound to map underwater topography and the contents of the sea. Aerial survey - a method of gathering information on surface fish movement and density by visual observation and photography from low-flying aircraft. Aggregation - is a term which can be applied to any grouping of fish, for whatever reason (or unknown reason) they are concentrating. See shoaling. Agricultural runoff - surplus water from agricultural land, often draining into rivers and then into the sea, and often enriched with nutrients, sediment, and agricultural chemicals. Alginate production - a gel substance extracted from brown algae and used industrially as a thickening agent for food and paint.

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786131213540
    • Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
    • EAN 9786131213540
    • Format Fachbuch
    • Titel Fisheries Glossary
    • Herausgeber Betascript Publishing
    • Anzahl Seiten 76
    • Genre Biologie

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