Iyini i-Antarctic?
I-Antarctic iyisifunda esizungeze iNingizimu Pole yoMhlaba, esiphambene nesifunda sase-Arctic esizungeze iNorth Pole. I-Antarctic iqukethe izwekazi lase-Antarctica, i-Kerguelen Plateau nezinye iziqhingi ezise-Antarctic Plate noma eningizimu ye-Antarctic Convergence. Isifunda sase-Antarctic sihlanganisa amashalofu eqhwa, amanzi, nazo zonke iziqhingi eziseNingizimu Yasolwandle eziseningizimu ye-Antarctic Convergence, indawo engaba ngu-32 kuya ku-48 km (20 kuya ku-30 mi) ububanzi obuguquguqukayo ngezikhathi ezithile. Lesi sifunda sihlanganisa amaphesenti angaba ngu - 20 eNingizimu Nenkabazwe, amaphesenti angu - 5,5 aso (amakhilomitha - skwele ayizigidi ezingu - 14) ayindawo yezwekazi lase - Antarctica uqobo. Zonke izinguzunga zomhlaba nezinguzunga zeqhwa eziseningizimu ye-60°S zilawulwa ngaphansi koHlelo LweSivumelwano Sase-Antarctic. Ngokwe-biogeographic, indawo ye-Antarctic ingenye yezindawo eziyisishiyagalombili ze-biogeographic zomhlaba womhlaba.