Arctic tundra ke mofuta o ikhethileng oa tikoloho le tikoloho, o khetholloang ke serame se matla le boemo ba leholimo bo thata haholo. Empa, joalo ka libakeng tse ling, baemeli ba fapaneng ba liphoofolo le limela ba lula moo, ba ikamahanya le maemo a mabe a bophelo.
Tundra ea Arctic e futsanehile haholo ho limela. E laoloa ke serame se matla, leqhoa le fihlang ho fihla 50 cm, 90 cm. Leha ho le joalo, lihlahla tse nyenyane, mefuta e fapaneng ea boriba, boriba le joang bo atile libakeng tse joalo. Lifate tse nang le metso e hasaneng ha li phele maemong a joalo.
Boemo ba leholimo ba Arctic tundra
Sebaka sa arctic tundra se karolong e ka leboea ea lefatše. Karolo e ka sehloohong ea sebaka sena ke mobu o koahetsoeng ke lehloa. Bosiu ba Polar ka har'a likhohlopo bo nka likhoeli tse 'maloa. Sebaka se bohale se khetholloa ke meea e matla e ka fihlelang 100 km / h mme mobu o petsohile ke serame. Setšoantšo se tšoana le lehoatata le lehloa, le se nang letho, le koahetsoeng ke maloanlahla. Ka linako tse ling metopa e menyenyane ea botala e feta har'a lehloa, ke ka lebaka leo tundra e bitsoang letheba.
Mariha, mocheso oa moea Arctic tundra o fihla likhato tse -50, ka karolelano ke likhato tse -28. Metsi 'ohle a sebakeng seo a hoama' me ka lebaka la leqhoa, esita le hlabula, mokelikeli ona o ke ke oa kenella mobung. Ka lebaka leo, mobu oa fetoha mokhoabo, 'me matša a ka ba teng holim' a eona. Lehlabula, tundra e fumana pula e ngata, e ka fihlelang 25 cm.
Ka lebaka la maemo a mabe joalo, batho ha ba bontše thahasello ea ho lula sebakeng sena. Ke letsoalloa la batho ba leboea feela ba tla khona ho sebetsana ka katleho le maemo a leholimo a leholimo a mabe.
Lipalesa le liphoofolo
Sebaka sa tundra ha se na meru. Sebaka se busoa ke sekoahelo se bonyenyane sa boriba, se "hlapolotsoeng" ke libaka tse mokhoabo. Sebaka sena se na le mefuta e ka bang 1680 ea limela, eo e ka bang 200-300 e thunyang, e setseng ke boriba le boriba. Limela tse tloaelehileng ka ho fetesisa tsa tundra ke blueberry, lingonberry, cloudberry, prince, loydia kamora nako, eiee, pane ea ho halika, joang ba ka botšehaling ba basali le tse ling.
Maberebere
Lingonberry
Cloudberry
Mofumahali
Loydia morao
Moferefere oa bosali
E 'ngoe ea lihlahla tse tummeng ka ho fetisisa tsa arctic tundra ke arctoalpine. Haufi le boroa, ho ka fumanoa li-birches tse nyane, li-sedges esita le li-dryads.
Liphoofolo tsa tundra ha li fapane haholo. Mona ke mefuta e 49 feela ea lintho tse phelang e kenyeletsang linonyana tse fapa-fapaneng tsa metsing le liphoofolo tse anyesang. Ho rua litlhapi le likhomo ho tsoetse pele sebakeng sena. Baemeli ba hlahelletseng ba lefats'e la liphoofolo ke matata, likhantši, likhantši, li-lemmings, li-partges, lark, liphokojoe tsa arctic, mmutla o mosoeu, li-ermine, li-weasel, liphokojoe, likhama le liphiri. Ho ke ke ha khoneha ho fumana lihahabi, hobane ha li phele maemong a mabe joalo. Lihohoana li fumaneha haufi le boroa. Li-salmonid ke litlhapi tse tsebahalang.
Lemming
Khoale
Phokojoe ea Arctic
Mutlanyana
Ermine
Weasel
Phokojoe
Khama ea likhama
Phiri
Har'a likokoanyana tsa tundra, menoang, menoana ea litsebe, li-butterflies le li-springtails li khetholloa. Permafrost ha e sebetse ho ikatisa ha liphoofolo le nts'etsopele ea liphoofolo tse fapaneng. Ha e le hantle, ha ho na lintho tse phelang tse ipatileng le liphoofolo tse phunyang sebakeng sa Arctic tundra.
Liminerale
Sebaka sa arctic tundra se na le lisebelisoa tsa bohlokoa tsa tlhaho. Mona u ka fumana liminerale tse kang oli le uranium, mesaletsa ea mammoth e nang le boea, hammoho le lisebelisoa tsa tšepe le tsa diminerale.
Kajeno, taba ea ho futhumala ha lefatše le sekhahla sa Arctic tundra maemong a tikoloho lefatšeng e matla haholo. Ka lebaka la ho futhumala, lehloa le qala ho qhibiliha 'me carbon dioxide le methane li kena moeeng. Phetoho ea maemo a leholimo e potlakileng ha e susumetsoe hakaalo ke mesebetsi ea batho.
