Titlebook: Limnological Analysis; Robert G. Wetzel,Gene E. Likens Book 19912nd edition Springer-Verlag New York 1991 ecology.ecosystem.fauna.limnolog

偏離

Robert G. Wetzel,Gene E. Likensous it has been recurrent, ambulatory and somehow irrepressible: no sooner does it wane in one locality than it springs up in another. After playing a major role in Germany during his lifetime, Husserl had been filed away in the history-books of that country when he was discovered by the French duri

BLINK

CLIFF

兩棲動(dòng)物

Light and Temperature,abolism of lakes and streams is derived from solar energy, which is converted biochemically via photosynthesis to potential chemical energy. The photosynthetic synthesis of organic matter occurs within the lake or river (autochthonous) or within the terrestrial drainage basin (allochthonous) and is

整潔漂亮

mechanism

The Heat Budget of Lakes,ce in limnology. The metabolism, physiology, and behavior of aquatic organisms are related directly to the temperature of the aquatic environment. Extreme temperatures restrict the growth and distribution of plants, animals, and microbes. Because of the high specific heat of water, large volumes of

CYN

Inorganic Nutrients: Nitrogen, Phosphorus, and Other Nutrients,e less than the biological demand, environmental sources can regulate or limit the productivity of organisms in freshwater ecosys-tems. Other elements such as iron and sulfur are essential cellular constituents but are required in relatively low concentrations in relation to availability in fresh wa