The organic ụwa nke Arctic Ocean (nkenke)

Ndụ nke na-ebi na Arctic, na-alụ. Ezigbo oyi ihu igwe, ebighi ice, snow na polar abalị maka 5-6 ọnwa afọ - isi atụmatụ nke aka ike ọnọdụ pola na sub-Arctic mpaghara. The organic ụwa nke Arctic Ocean e guzobere ndị a tara akpụ. N'ọtụtụ ụzọ elu-ohere ecosystems dị iche iche si ọnọdụ na-ekpo n'ógbè nke World Ocean (Íø). Chetara na nkenke ikowa atụmatụ ndị a.

Aka ike eke ọnọdụ na Arctic

Snow na ice merie n'elu Ugwu Finland, na organic ụwa adapts atụmatụ ndị a nke okike. A ịrịba òkè nke arctic region nke mbara ala ji site mmiri oyi oghere, ịgà na ice. Na mba dị iche iche na N'ezie nke ndị na-esonụ ebe aha: Arctic, Polar ma ọ bụ ndị Arctic Ocean. Summer na elu latitudes obere na jụụ, oyi bụ ogologo na oké. Ọdịda dara dị ka snow, ha ọnụ ọgụgụ bụ obere - na banyere 200 ml.

The organic ụwa nke Arctic Ocean - bụ ndụ na-ebi na ala, oké osimiri na ọtụtụ agwaetiti nke Arctic oké osimiri nile. Ọtụtụ ụmụ anụmanụ na ụfọdụ obere osisi na-emegharị ka ala okpomọkụ na snow na ice. Olee ndị bụ ndị a gbasiri bi oké ala? Birds na mammals na-adị ndụ na elu latitudes, na-emekarị na-acha ọcha.

The organic ụwa nke Arctic Ocean (nkenke)

All di iche iche nke ndụ na ala na-egosi na benthos. Nke a algae, mollusks, coelenterates, mmasị ka mkpụrụ nke shelf na continental mkpọda, crawling crustaceans. Algae adịkwaghị kelp na fucus. Okooko osisi eelgrass na-hụrụ na White Oké Osimiri. Benthic ụmụ anụmanụ na-tumadi metụtara invertebrates (ikpuru, fom, oké osimiri anemones na kpakpando, klam, crabs). Ha nwere ike idi ahụ tara akpụ nke na oyi na ọchịchịrị ogbu nke oké osimiri.

Nke fọrọ nke nta 200 ụdị nke phytoplankton, ọtụtụ metụtara diatoms.
Ehighị nne osisi na oké osimiri na ọtụtụ archipelagos anọchi anya gymnosperms, okooko osisi na lichens. Food ígwè na-agụnye zooplankton, mmiri invertebrates, azụ, nnụnụ, mammals. The abụọ ikpeazụ dị iche iche bi n'ụsọ oké osimiri na agwaetiti, nri ha ọzọ mgbe ndị dị na mmiri bụ free si ice. Maka ụwa nke nnụnụ na Arctic e ji ụdị akụ, na oké ụzụ "rookeries" diversify organic ụwa nke Arctic Ocean.

List nke ụmụ anụmanụ na Arctic

Invertebrates: azundika jelii cyan, Ophiuroidea "Gorgon isi", klam na crustaceans.
Greenland Shark guzo n'etiti nnukwu size nke azụ. Ndị ọzọ na-anọchite anya nke azụ fauna: salmon, azụ asa, okporoko, perch, flatfish (gụnyere Paltusova). Birds: ptarmigan, guillemot, snowy ikwiikwii, terns, nkwọcha ugo.

mammals:

• toothed whales (beluga whale, narwhal);
• akàrà (harp, akara n'ahụ, ringed akara, kpuchiri ihe n'ihu akàrà);
• walruses
• acha ọcha ma ọ polar bear;
• reindeer (caribou)
• Arctic wolf;
• musk ehi;
• arctic bekee;
• lemming.

Adaptations nke osisi na ụmụ anụmanụ na Arctic

The organic ụwa nke Arctic Ocean na a dịgasị iche iche nke phytoplankton fọrọ nke nta ka edere ebe nke Atlantic na Pacific. -Akpali mmasị, ụfọdụ microscopic algae anọgide na-adị ike photosynthesize ọbụna na ice. N'ihi ya, a na-acha ọcha n'elu kpuchie greenish-aja aja film, na ice na-agbaze ngwa ngwa. Moderately mmiri oyi ọgaranya etisasịwo oxygen na nitrogen, mgbe ẹsụhọde a arọ elu oyi akwa omimi dịrị mkpa micronutrients ka phytoplankton. Atụmatụ ndị a ike mma ọnọdụ maka ngwa mmepe nke microscopic ntule.

A ụdị emblem, ndị nnọchiteanya nke nke na-aghọta ihe organic ụwa nke Arctic Ocean - na polar bear. Nke a bụ otu n'ime ndị kasị ibu terrestrial anụ; Okenye nwoke ahu esịmde a n'ogologo 2-3 mita. Ọ na-azụ tumadi na akàrà, azu. White Bear Arctic na anụmanụ ndị ọzọ nwere ike iji belata metabolism na ala okpomọkụ. Ha na-eto nwayọọ nwayọọ, ma nwere ike iru nnukwu nha na agadi. Dị ka ihe atụ, a okpomọkụ oké osimiri urchin adịkarịghị ndụ 10 afọ, a pola umu nwere ike idi ihe karịrị afọ 60.

Ọnọdụ Ihu Igwe a obere softer na n'oké osimiri nile nke European akụkụ nke Arctic, otú ahụ ụmụ anụmanụ na osisi ndị na ano. Mmadụ kacha bụ na-emighị emi continental shelf. Ma dum osisi na organic ụwa bụ ogbenye na umu. Otu n'ime ihe ndị kpatara ya - tara Ọnọdụ Ihu Igwe, enweghi nke ìhè anyanwụ na okpomọkụ nke osisi, na-enweghị ihe oriri maka ụmụ anụmanụ.

Nchịkọta nke Arctic Ocean

The kasị ala na coldest akụkụ nke ụwa na oké osimiri enyene naanị 4% of ya ngụkọta ebe. The Arctic Ocean ụgha fọrọ nke nta ke center nke Arctic. Ókè ebe bụ a nhazi akara - Arctic gburugburu (66 Celsius yiri na w ..). The Arctic-agụnye ọ bụghị nanị na mmiri oghere, kamakwa agwaetiti ahụ, n'ụsọ oké osimiri nke na-enye. The osimiri nke Arctic Ocean - otu n'ime ndị kasị na-eru na ụwa. Igba n'ime Arctic n'oké osimiri: ndị Yenisey, Lena, Ob, Pechora, Yana, Kolyma, Indigirka. Warara Bering Strait ekewapụ pola mmiri nke Pacific. Ókè-Atlantic-agba site na Scandinavian Peninsula na ndịda nke Greenland. Na ókèala nke Arctic bụ ugwu ala osisi.