1977 seminal paper, "A trophic state index for lakes". It is one of the more commonly used trophic indices and is the trophic index used by the United States...

Look up trophic in Wiktionary, the free dictionary. The trophic level of an organism is the position it occupies in a food web. Within a food web, a food...

The trophic level index (TLI) is used in New Zealand as a measure of nutrient status of lakes. It is similar to the trophic state index but was proposed...

Mille Lacs Lake has an overall trophic state index (TSI) of 43, making it moderately mesotrophic. This trophic state index is within the expected overall...

called trophic links. The number of trophic links per consumer is a measure of food web connectance. Food chains are nested within the trophic links of...

refer to: Trophic cascade Trophic coherence Trophic egg Trophic function Trophic hormone Trophic level index Trophic level Trophic mutualism Trophic pyramid...

test or TSI slant, of a microorganism's ability to ferment sugars Trophic state index of plant nutrients in waterbodies Turbo fuel stratified injection...

trophic level. In order to more efficiently show the quantity of organisms at each trophic level, these food chains are then organized into trophic pyramids...

oceans between the years 1950 and 2008. Forel-Ule scale Siemens star Trophic state index Water quality "On the history of the Secchi disc". www.jeos.org....

One way to classify lakes (or other bodies of water) is with the trophic state index. An oligotrophic lake is characterized by relatively low levels of...