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n 1) zool. bot. natural habitat; 2) tilsh. area

bottom and bottom-side layer of water of a pool being a habitat of organisms (benthos).

– diversity inside a habitat or inside a community at a level of species. See also Species diversity.

part of ecology studying interrelationships between an individual (of population, species) and habitat.

[Greek hydro — water and biontos — living] — organisms living in the aquatic habitat. Compare: Aerobionts.

жилище dwelling, living quarters; accomodation; apartment habitation logis, logement, demeure, habitat, résidence بَيْتٌ (بُيُوتٌ)، دَارٌ (دُورٌ)

– an instinct of home, capacity of any animal to come back to its habitat, nest, den, etc., under certain conditions, from a considerable spacing intervals.

— an assessment of quality of a habitat and its individual characteristics by a state of its biota in natural conditions. See Bioindicators. Compare: Biotesting.

махалля, отдельные кварталы населенного пункта mahalla - a small place of settlement smaller than a village quartier, habitat traditionnel حَيٌّ (أَحْيَاءٌ)، حَارَةٌ

stable impairment of characteristics of soil as a habitat of biota, and also decrease of its fertility as a result of affecting of natural or anthropogenous factors.

index for measuring of extent of the species’ differentiation by gradients of a habitat, i.e. rate of changes in phytocenosis flora composition by dimensional and ecologi

Harvesting all the trees in one area at one time, a practice that destroys vital habitat and biodiversity and encourages rainfall or snowmelt runoff, erosion, landslides,

a biological species, deliberate damaging of its individuals (collecting, herbariums, killing, entrapment, etc.) and a disturbance of a habitat of which is prohibited by

organic sludge and remains of organisms in an aquatic habitat; in a science about soils - the debris of vegetative matter (humus); in geology a shallow detritus matters i

– accumulation in living organisms of chemical substances contaminating a habitat; is caused by incomplete excretion of a constantly consumed pollutant from an organism.

The strip of land in awater protection zone which directly borders the water reservoir being protected. In such territories a special regime of natural resources usage is

usually under B.s. or simply species it is understood a population, or variety of populations, of species which are able to crossbreed forming a fecund produce (without r