Arewa Sea - da kyakkyawa da inaccessibility

A Arctic Ocean aka dauke su da karami da kuma ruwan sanyi jiki a kan duniyarmu, shi ke sa a zamanin d Rasha da shi aka kira "jelly teku."

Sea, wani ɓangare na Arctic Ocean, wato, Kara, White, Gabas Siberian, Barents Sea, Laptev Sea, Chukchi - zama da aka sani da "Arewa". All na sama halitta abubuwa, fãce White Sea, ne m, su ne daga juna rabu da wani jerin tsibiran, ciki har da Severnaya Zemlya da Novaya Zemlya, Franz Josef Land, da sauransu. All Arewa Sea suna dauke su m, domin lalle ne su a kan shiryayye daga cikin nahiyar. Kawai arewacin yankin na Laptev Sea aka located a gefen cikin zurfin ruwa tasa, qazanta da sunan Nansen. A ƙarƙashin teku a wannan lokaci an rage wa 3385 mita, a sakamakon, ta talakawan zurfin ne daidai da 533 da mita, sai da na halitta abu bude sau daya da Laptev yan'uwansa, ya dauki mafi zurfi a arewacin tekuna. A matsayi na biyu bisa ga mataki na zurfin-ruwa bautar da Barents Sea, da talakawan na sama siga ne 222 mita, da kuma iyakar - 600 mita. A mafi halitta abubuwa suna dauke m Chuckchee teku, ta talakawan zurfin 71 mita, da kuma Gabas Siberian Sea - 54 mita.

Abin lura shi ne cewa da kankara a cikin wadannan tekuna a kiyaye su a cikin watanni 12. A babban yanki na Arctic Ocean duk shekara zagaye "tana tattare da" kankara.

M sanyi cewa "drip" arewacin teku kankara murfin kuma iyakacin duniya dare hana al'ada ci gaban zooplankton da phytoplankton, tare da sakamakon cewa matakin na nazarin halittu yawan aiki ne low a nan. Babu daban-daban richness da kuma nau'in "arsenal" kwayoyin da suke zaune a nan. A cikin matsananci yanayi don tsira mafi resistant zuwa low yanayin zafi iri.

A wannan yanayin, da kifin da ke cikin arewacin tekuna ne daban-daban yawa da kuma bambancin jinsunan: teku bass, halibut, haddock, herring, kifi, farin kifi. Daga cikin kasuwanci nau'in kifi na musamman da darajar ne ma whitefish, whitefish, cisco, kazalika da wakilan da smelt iyali.

Amma akwai wani jiki na ruwa, wanda aka ba kawai conventionally da ake kira "arewa", amma kuma yana da irin wannan hukuma sunan. Idan ka je kusa da Scandinavian Larabawa da arewacin wajen kudu, lalle za ka sami kanka a Arewa Sea, wanda shi ne kadai ruwa jiki na Atlantic, a haɗa zuwa kasashen Turai. Wasu kira shi da "German" teku.

Arewa Sea maida hankali ne akan 544.000 kai murabba'in kilomita Tana da zurfi Averages 96 mita, amma a wasu wurare, kamar a cikin Norwegian mahara, kai 809 m. A Arewa Sea wanke Scandinavian sashin, da kuma tekun na Kirkwall Shetlenskih tsibiran, gaba na Turai. Waterways gama da shi tare da Norwegian kuma Baltic Tekuna, da teku. Arewa Sea wanke a Norway, Denmark, da Netherlands da Belgium da kuma Faransa.

Yana daga ƙarƙashinsu a cikin manyan Turai kõguna Elbe, Rhine, da Thames, da Scheldt, da Weser.

Kayan lambu Sea Duniya na da game da ɗari uku da jinsunan shuke-shuke. Wannan phytoplankton, teku ciyawa, ja, ruwan kasa, kore algae. A m zazzabi ni'ima da m girma.

Fauna da aka wakilta goma sha biyar da ɗari jinsunan: molluscs, coelenterates, kifi. Akwai dabbobi masu shayarwa, ciki har da Whales, da dabbobin ruwa, kisa Whales, Whales.

A richness na cikin tẽku mai zurfi kasuwanci kama kifi ya ba da dalilin dukan ƙasashe kusa da Arewa Sea. Tanã herring, zurfin, mackerel, sprat da kuma sauran kifaye. A Arewa Sea za ka iya samun dama shark jinsunan: Atlantic, cat, spiny dogfish, hammerhead, blue, iyakacin duniya.

ƙirin ne bambancin a cikin ƙasa. A Wadden Sea yanki ne bayyananne, wani lokacin za saukar zuwa teku matakin. Kusa da Norway da kuma kudu-maso-gabas - tsibirin line. A Scandinavia bankuna slashed fjords, da yawa bays.

A ƙarƙashin teku - shi ne mafi yawa a fili, a hankali zurfafa kamar yadda muka matsa daga Coast. A kasan nan akwai wani sauƙi Shoals (Gudmin Sand, Dogger), located a tekun na Great Britain. The kudu izinin kunya na yashi da tsakuwa, namytye tides. Daya daga cikin mafi zurfi wurare - Norwegian ƙullunku tasa yana da wani talakawan zurfin 350 m Benen kunshi yafi na silt da yashi ..

A Arewa Sea ba daskare, saboda Norwegian Sea, shi ya hada da dumi Arewa Atlantic Yanzu. The ruwa warms har zuwa ashirin da digiri a cikin rani da kuma hunturu ba colder fiye da biyu digiri Celsius.

Domin teku ruwa yana cyclonic shugabanci (counterclockwise), ta kudi ne ba high: game da rabin mita da na biyu. A saboda tasirin iska, yafi yammacin, wanda aka halitta a cikin tẽku yanki na temperate sauyin yanayi. Akwai m hadari da fogs, wanda ya hana kewayawa. A tsawo daga cikin komowar ruwa a Birtaniya ya kai bakwai mita, a Scandinavia - a mita.

A ƙarƙashin teku sun yalwata a albarkatun kasa - man fetur da kuma iskar gas. Su ci gaba da aka gudanar kashe bakin tekun na Norway da kuma Scotland.