biological+productivity

См. также в других словарях:

• biological productivity — The increase in biomass, normally measured in protein time units …   Dictionary of invertebrate zoology

• Productivity (disambiguation) — Productivity, in economics, is the amount of output created produced per unit input used.Productivity may also refer to:*Productivity (linguistics), the degree to which a grammatical process can be extended to new cases *Social productivity, the… …   Wikipedia

• Biological interaction — Biological interactions are the effects organisms in a community have on one another. In the natural world no organism exists in absolute isolation, and thus every organism must interact with the environment and other organisms. An organism s… …   Wikipedia

• productivity — a measure of the capacity of a biological system, the amount of fish supported or produced by a given area in a given time. Also used as a measure of the efficiency with which a biological system converts energy into growth and production. A… …   Dictionary of ichthyology

• Agricultural productivity — Food production per capita (1961 2005) …   Wikipedia

• International Biological Program — The International Biological Program (IBP) was an effort between 1964 and 1974 to coordinate large scale ecological and environmental studies. Organized in the wake of the successful International Geophysical Year (IGY) of 1957 1958, the… …   Wikipedia

• Oceanic physical-biological process — Sea water is 827 times denser than air Due to the higher density of sea water (1,030 kg m 3) than air (1.2 kg m 3), the force exerted by the same velocity on an organism is 827 times stronger in the ocean. When waves crash on the shore …   Wikipedia

• Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …   Wikipedia

• biosphere — biospheric /buy euh sfer ik/, adj. /buy euh sfear /, n. 1. the part of the earth s crust, waters, and atmosphere that supports life. 2. the ecosystem comprising the entire earth and the living organisms that inhabit it. [1895 1900; < G Biosphäre; …   Universalium

• inland water ecosystem — ▪ biology Introduction       complex of living organisms in free water on continental landmasses.       Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… …   Universalium

• Iron fertilization — For information on ocean fertilization schemes not involving iron, see ocean nourishment. An oceanic phytoplankton bloom in the South Atlantic Ocean, off the coast of Argentina covering an area about 300 miles (480 km) by 50 miles Iron… …   Wikipedia