Colombia - nōka ea bohlokoa hakae. Moo ke Colombia (noka)? Properties la phallo ea metsi

Colombia - nōkeng, e teng Amerika Leboea, karolong e ka leboea-bophirimela ea k'honthinente e. Bolelele ba eona ke ka 2 likete tse km. Ho phallang ka Washington, Oregon le British Columbia. Matla a ka go tlhaolega glacial; e fetang jwale ka tlhaho. Tletseng phallang kemisong e le bophahamo liphetoho fana maemo molemo bakeng sa ho limela tse fehlang motlakase ka matla. Ho libakeng tsena ho hlahisa motlakase ka tsela e atlehileng le ho feta.

Inflows

Colombia - noka ya mebala e mehlano, le nang le ho feta 50 melatswana.

• Kholo ka ho fetisisa ba bona ba - the Snake. O ile a haha matamo a mangata. Ea pele e ne e Moholo Coulee, Rock Island. E le hantle e thahasellisang ke hore ka confluence ea River Snake ke sa e ngata, ke sona seo lumella u ho ntshetsa pele e pharaletseng tšoasa litlhapi indasteri. Sebakeng beisine lona ka nako ena e feta kakaretso ea boholo ba Columbia Nōka.
• Uillamentt. E mong oa melatswana kholo ka ho fetisisa. Kholo ka ho fetisisa noka United States: koahela 301 Km. Phallang, akaretsa tšimo eohle ea State ea Oregon, phorosela Mountains, Coast Range. Ka confluence ea Columbia e ile ea hahoa ka Portland - motse kholo ka ho fetisisa.

• Kootenay. Ho etsahala British Columbia, Idaho le Montana. Ho ke ke bohlokwa ka tributary tsa nōka. Bolelele ba eona e hanyenyane ho feta 700 Km. mohloli e teng ka Biverfute (orilla) lateloa ke metsi ha selika-likoe phallang ka East Columbia, United States, le khutlela ho Canada. Matla e fuoa ka glaciers ena.

• Lake Pend Oreille. Oa boraro e kholo ka ho fetisisa tributary tsa nōka. Phallang leboea Idaho, ka leboea-bochabela Washington le ka boroa-bochabela British Columbia. Bolelele panda e Orey e 209 feela km SE. Ho simoloha in Montana. Sebaka kakaretso ea beisine e 66 likete tse km (le Horse tsohle).

tshebediso ya metsi

The tshebediso ya tsa metsi Colombia - nōkeng, eo ae phethang sebaka bone har'a bohle methapo metsi US. Ha re nahana ka phallo, ke moeta-pele e feletseng har'a melapo North American metsi hore phalla ka Leoatleng la Pacific. Ka ntlha moo adjoin Amerika le Canada, metsi phallo fihla 2700 limithara / s. Lilemong tsa bo-ea leshome le metso e robong (1894), palo ena e le sebakeng sa Te Dulce ea eketseha ka makhetlo a likete tse 'maloa - ho fihlela ho 35 000 limithara / s. Se lilemong tsa bo-XX (1968), noa metsi e se e haholo tsa fokotswa - 340 limithara / s.

falla tlhapi

Fuoa hore, moo ke Colombia, nōka ea ruileng ka tlhapi, bochaba tsoa leoatleng. baemeli ba bangata ba mefuta e leoatleng, tse kang salmonids (mookoli trout, chinook, coho). Hangata baeti ba le Sturgeon hore sesa ka metsi ana ka makhetlo a 'maloa bophelong ba hae. Ka mor'a 1867 ba ile ba qala ho haha lifektheri, litlhapi tsa salmon baahi e fokotseha haholo. Ka lebaka leo, molao o ile fetile hanelang ho tšoasa litlhapi Trolling.

Haholo-holo ka ho falla tlhapi ama haha matamo le levees, eo, re lokela ho hlokomela, ke a ruile haholo ka DC. Noka hobane ba na le tšekamelo fokolang libakeng tse ling. Sena se fokotsa palo ea Fry ka kemisong e sa khaotseng ea metsi. Nakong e fetileng, leeto la bona ho tloha leoatleng o nka libeke tse seng ho feta tse tharo ka nōkeng, empa hona joale palo ena e eketsehile bonyane habeli. liphetoho tsena ya ntango haholo eketseha kotsi ea lefu, e leng e etsa hore ho fela. Ka fihlang ho e ka holimo la nōka ea leo ho ahiloeng ho ke mefuta e itseng ea litlhapi tse tla mohla theohela leoatleng le ka se fumana ho isa karolong tse ling tsa metsing ka lebaka la matamo le. Sena se haholo ho fokotsa boholo ba baahi ba bona.

Ho na le ke mofuta o itseng oa tlhapi, baemedi ba e ka phela tlas'a mocheso kamehla le lieha phallo. Hangata ba fepa ka litlhapi tsa salmon Fry. Seo ke sona seo susumelletsa ba boholong moo hore li amohetse molao ka ntshetsopele ya liphoofolo le ho tšoasa litlhapi.

ekolotsi

Colombia - nōka, e ditshila haholo. Ho phaella ho ea nyutlelie litšila ho eona ho oa le tse ling tse dintho tse kotsi le metsoako ka ho khetheha, arsenic, chefo e bolaeang likokoanyana, biphenyls, libaktheria. Ka lebaka la ho hlokomela tikoloho e mpe ka letamo le ka har'a tlhapi eo noka li fumanoa le e ngata chefo. Sena ha se feela ho ama palo ea liphoofolo tse phelang metsing le thusa hore ho pheliso ea mefuta e, empa hape Harms bophelo bo botle ba motho ea li sebelisa. Ke mang ea kamehla sebetsa ho ntlafatsa boleng metsi le tsosolosa teka-tekano ea tlhaho.

Ho ea ka Columbia River mwinda (photo photo photo photo e fanoa ka sehlooho se reng,) e Ranked pele ka US le Canada. Ho ile ha hahoa 14 dimela mwinda. E nako e telele e tsejoa hore nakong ea moroallo, aa tšela ka holimo ho hōle, ho meroallo sebakeng seo kaofela se pota-potileng.

Liphetoho tse bohlokoa ka ho fetisisa li ne li entsoe ho Roosevelt, mopresidente oa naha. O ile a fetola molomo, ba ile ba qala ho haha letamo le qalong ea XX lekholong la lilemo la. Mora kaho lona metsi a ema ka fetang 100 m. Ho ka etsahala ho bopa pokello.