Lavxias teb sab steppe cheeb tsam. Muaj thiab fauna

Lavxias teb sab steppe cheeb tsam - lub yav qab teb ib feem ntawm lub East European Tiaj, Western Siberia, raws li zoo raws li lub hnub tuaj, uas yog them los ntawm steppes mus rau lub foothills ntawm tus Altai thiab Baikal. Nyob rau hauv lub steppe cheeb tsam lub caij ntuj sov feem ntau yog sov, nrog luag nag lossis daus thiab txias winters. Dej nag yog hais txog 200-450 hli ib xyoo. Nyob rau hauv lub caij ntuj sov, huab cua yog tsiv los ntawm lub Atlantic dej hiav txwv thiab vim hais tias ntawm qhov kev ncua deb ntawm nws ntseeg nkaws rau hauv continental.

steppe cheeb tsam muaj ib tug ntau dua li, uas tsim heterogeneity ntawm nws cov kev nyab xeeb. Piv txwv li, nyob rau hauv lub caij ntuj no yuav tsum tau cai xws li ib tug tshwm sim: lub ntxiv tsiv mus rau sab hnub tuaj, tus ntev lub caij ntuj no thiab qhov ntau nws yog txias. Thiab yog hais tias peb txav los ntawm sab hnub poob mus rau sab hnub tuaj, nws ho txo cloudiness thiab los nag, uas yog kwv yees li 500-300 hli ib xyoo. Nyob rau hauv no kev nyab xeeb twb muaj tej yam tshwm sim ntawm continental, thiab nws zoo zoo steppe thaj av thiab, ntawm chav kawm, hloov tus muaj thiab fauna.

Txij li thaum me ntsis dej nag thiab siab evaporation, Lavxias teb sab steppe cheeb tsam feem ntau muaj ib tug runoff. Hav dej yog ntiav thiab qhuav nyob rau hauv lub caij ntuj sov rau hauv tag nrho. Steppe cheeb tsam - ib tug tas mus li tsis tuaj kawm ntawv ntawm tej hav zoov uas ib tug predominance ntawm tej hauj lwm. Ntawm no kiag yeej los ntawm herbaceous nroj tsuag, nyob rau hauv tag nrho cov hiav txwv pua pua ntawm kilometers qab tshuaj ntsuab. Cov ntau ces yuav tsum: lub steppe oats fescue, feather nyom, crested thiab Bluegrass, tab sis forb-nyom raug xaiv tshaj sab qaum teb thaj tsam.

Zone steppe sab qaum teb muaj humus nrog humus av nyob rau hauv uas hais txog 8-10 hom%, thiab sab qab teb, theem no yog lowered mus rau 6% twb. Thaum tsiv ntxiv rau sab qab teb, nyob rau hauv lub sagebrush-fescue steppe, qhuav, hav cover ntau sib thiab yeej los ntawm tsis muaj humus cov ntsiab lus, tej zaum tsawg tshaj li 3-4% ntawm cov av yog xim av.

Muaj yog ib tug natural tsam steppe ntawm ob peb hom: tsob nroj, nyom, feather nyom thiab wormwood. Qhov xwm ntawm lub hau influences av qauv thiab zoo ntawm lub ntiaj teb saum npoo av.

Lub steppe yog ib txwm tag nrho ntawm lub neej, thiab yog vim li cas rau cov uas - grasses. Namely, nws muab chaw nyob thiab khoom noj khoom haus rau ntau hom tsiaj. Tam sim no muaj ntau tshaj li 50 hom tsiaj thiab 250 hom noog. Tsuas yog ib tug nas ib tug loj tus naj npawb ntawm: nas, voles, hamsters, jerboa, marmots. Lawv yuav tsum zoo heev yoog mus rau ib puag ncig thiab tau kawm zoo masked heev heev yeeb ncuab, vim lawv qhia no tej cheeb tsam.

Lub steppe yog tag nrho ntawm cov noog, xws li cov whitish harriers, Merlin, larks, Imperial eagles. demoiselle. Nws kuj tseem muaj xws li noog xws li cov pob zeb curlew, bustards, me ntsis bustards, Sociable Lapwing thiab daj-legged buttonquail. Lawv yog cov heev ceev faj, xws li mus taug kev nyob rau hauv lub sown teb. Koj yuav saib tau grey thiab bearded partridges thiab quails nimble.

Steppe cheeb tsam yog lub zoo meej vaj tse rau nas ceg ntev. Txawm tias nws ntom, churned rau hauv ib lub pob lub cev, tsiaj tsiv los ntawm ceev ceev jumps rau nws hind ob txhais ceg thaum tswj tag nrho lawv taw tus Tsov tus tw. Ceev thiab ceev tshua yog tsim nyog rau nws, vim nws yog ntshaw prey ntawm lub zos txhom - cov hma liab thiab weasels.

Noog kuj tsis txhob tso tseg rau Hunt rau cua prey rau ib tug lub sij hawm ntawd, ces tus pem hauv ntej ob txhais ceg nyob rau hauv nas yog npaum li cas luv luv rov qab, thiab lawv yog heev ceev ceev runners. Tseem muaj cov tsiaj uas tsis tawm hauv nws lub chaw nkaum - av. Nws yog heev tiag tiag excavations, thiab muaj xws li zokor thiab tias nas. Steppe ntsaum kuj tsis deb tom qab lawv, thiab txhim tsa majestic vaj tse nyob rau hauv lub ntiaj teb thiab nyob rau nws saum npoo.

Active hamsters, voles, thiab tias nas securely khaws khoom noj cia reserves, uas tau raug sau los ntawm lawv nyob rau hauv lub caij ntuj sov, nyob rau hauv me me burrows. Steppe nas digs ib tug me me pov toj los yog "barrows" thiab hides nws nyob rau hauv nws cov zaub mov. Pika hlub qab hay, nws folds nws mus rau hauv ib tug zoo huv si pawg ncaj qha mus rau tus nkag mus rau nws burrow. Ntawm hoofed tsiaj yog feem ntau antelope. Nws muaj zoo heev sharpness uas tsis pom kev, uas yuav pab nws nyob rau hauv lub sij hawm ntawm kev txaus ntshai, tab sis nws feem ntau twb tsis muaj sib npaug zos rau cov khiav ceev.