- invertebrate drift
-
aquatic and terrestrial invertebrates that float with the current and are often fed on by fishes
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
History of invertebrate paleozoology — The history of invertebrate paleozoology (also spelled palaeozoology ) differs from the history of paleontology in that the former usually emphasizes paleobiology and the paleoecology of extinct marine invertebrates, while the latter typically… … Wikipedia
Écologie des systèmes lotiques — L écologie de système lotique est l étude des interractions biotiques et abiotiques dans les flux d eaux courantes continentales[1]. Avec l écologie des systèmes lentiques, qui implique des eaux continentales moins dynamiques comme des lacs ou… … Wikipédia en Français
Current (stream) — The water in this stream forms varying currents as it makes its way downhill A current, in a river or stream, is the flow of water influenced by gravity as the water moves downhill to reduce its potential energy. The current varies spatially as… … Wikipedia
Rythme nycthéméral — Le nycthémère, ou nyctémère, (du grec nukthêmeron, mot composé à partir de nux, nuktos, « nuit », et hêmera, « jour ») est un terme technique utilisé en physiologie, en médecine, en science vétérinaire ou encore en écologie… … Wikipédia en Français
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
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
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
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Spawn (biology) — The spawn (eggs) of a clownfish. The black spots are the eyes developing. Spawn refers to the eggs and sperm released or deposited, usually into water, by aquatic animals. As a verb, spawn refers to the process of releasing the eggs and sperm,… … Wikipedia
Kobuk River — The Kobuk River is approximately convert|280|mi|km|0|lk=on long, located in the Arctic region of northwestern Alaska in the United States. [USGS Geographic Names Information System (GNIS). [http://geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO… … Wikipedia