North Siberian Lowland (nws tuaj yeem pom meej ntawm daim ntawv qhia) yog thaj chaw loj loj nyob rau sab qaum teb ntawm Sab Hnub Tuaj Siberia. Nws nyob rau sab qaum teb thaj av ntawm ob thaj tsam ntawm Siberian Federal District: Krasnoyarsk Territory thiab lub koom pheej ntawm Yakutia.
Cov av qis ncav cuag 600 km ntawm Taimyr toj siab ntawm Byrranga nyob rau sab qaum teb mus rau Putorana toj siab nyob rau sab qab teb, thiab yuav luag 1,500 km ntawm lub qhov ncauj ntawm Yenisei nyob rau sab hnub poob mus rau Olenyok River nyob rau sab hnub tuaj. Yog li, thaj av qis nyob nruab nrab ntawm 70 thiab 75 parallel sab qaum teb latitude, thiab nruab nrab ntawm 83 thiab 125 degrees sab hnub tuaj longitude. Ntawd yog, nws npog lub Taimyr Peninsula los ntawm sab qab teb, ncab ntawm Kara Hiav Txwv mus rau Hiav Txwv Laptev.
Climatic zones
North Siberian Lowland nyob qhov twg thiab nws qhov chaw cuam tshuam li cas rau huab cua? Lo lus nug no yog qhov nthuav heev. Cia peb saib ntxiv.
Yuav luag tag nrho nws nyob hauv thaj chaw huab cua Arctic, thiab tsuas yog thaj chaw me me nyob rau sab qab teb sab hnub poob nyob hauvsubarctic. Feem ntau, North Siberian lowland yog thaj tsam tundra. Txawm li cas los xij, nyob rau sab qab teb thiab sab hnub poob muaj thaj chaw ntawm hav zoov-tundra sawv cev los ntawm cov ntoo tawg, thiab hauv thaj chaw nruab nrab ntawm Taimyr Peninsula, nrog rau sab qaum teb sab hnub tuaj, thaj chaw hla dhau Arctic suab puam..
Feem ntau cov no yog moss tundras uas tsis tshua muaj roob lossis pob zeb siab txog li 200 m, thiab qee zaum mus txog 250 m. Cov cheeb tsam yog ntom ntom nrog ntau tus dej thiab pas dej. Qhov loj tshaj ntawm lawv - r. Anabar, Olenek, Pyasina, Khatanga, thiab lub pas dej - Taimyr, Kokora thiab Labaz. Lub tundra yog swamped hnyav heev.
Kev nyab xeeb yog arctic continental, lub caij ntuj sov luv, lub caij ntuj no ntev heev. Frots ncav cuag 50oC qis dua xoom, thiab lub caij ntuj sov kub tsis tshaj 20oC.
Vim tias North Siberian Lowland nyob rau sab qaum teb ntawm Arctic Circle, lub caij ntuj sov thiab lub caij ntuj no tau nrog hnub thiab hmo ntuj. Lub caij nplooj zeeg thiab caij nplooj ntoos hlav yog luv luv. Kev hloov ntawm lub caij nyoog tshwm sim hauv 2-3 lub lis piam. Cov nag lossis daus hauv North Siberian Lowland yog qis: los ntawm 200 mus rau 400 millimeters. Thoob plaws hauv tag nrho cov cheeb tsam, cov av thaws nyob rau hauv lub caij ntuj sov tsuas yog nyob rau hauv lub Upper txheej. Qhov tshwm sim no hu ua "permafrost."
Flora
North-Siberian lowland muaj cov nroj tsuag meager. Nws yog sawv cev los ntawm mosses, lichens (moss moss), Berry bushes (crowberry, blueberry, bilberry), dwarf birches thiab willows. Nyob rau sab qab teb, koj tuaj yeem pom cov ntoo deciduous, thiab hauv ravines, tiv thaiv los ntawm cua,qus sawv thiab qis-loj hlob roob tshauv. Lub caij cog qoob loo luv luv: 6-8 lub lis piam, tab sis ntau yam angiosperms, polar poppies thiab sedges muaj sij hawm kom tawg thiab cia cov noob siav.
Nyob ntiaj teb
North-Siberian lowland tsis txaus siab rau ntau haiv neeg ntawm fauna. Cov no yog cov tsiaj qus reindeer, arctic hma liab, hma, lemmings, snowy owls thiab partridges. Nyob rau hauv Taimyr, cov kev kawm ntawm cov mammoth, musk oxen, tau coj los ntawm Canada nyob rau hauv 1960s. Nyob rau hauv lub caij ntuj sov, ib tug loj tus naj npawb ntawm waterfowl migratory noog zes nyob rau hauv lub tundra: geese, ducks, geese.
Pabneeg
Cov pej xeem hauv paus txawm sawv cev los ntawm Nganasans, Enets, Dolgans thiab nyob rau sab qab teb - Evenks. Txoj hauj lwm tseem ceeb ntawm cov neeg sawv cev ntawm cov neeg no yog reindeer herding, yos hav zoov rau cov tsiaj nyeg thiab nuv ntses.
