Acum: 3 °C
Astazi:
Max: 6 °C
Min: 1 °C
Maine:
Max: 6 °C
Min: -2 °C
STIRI NATIONALE & EXTERNE
Descoperirea facuta de cercetatori in Groapa Marianelor
Articol de Madalina IrimiaUn nivel remarcabil de mare al activitatii microbiene a fost descoperit in Groapa Marianelor din Oceanul Pacific, cel mai adanc sit cunoscut din scoarta terestra, au anuntat oamenii de stiinta, intr-un studiu publicat duminica in revista Nature Geoscience, relateaza AFP.
Groapa Marianelor, un fel de "cicatrice" cu o lungime de 2.550 de kilometri in Oceanul 
Pacific, are adancimea de peste 11 kilometri in punctul denumit Challenger Deep, care ar putea "sa inghita" cu usurinta varful Everest (cel mai inalt varf de pe Terra - 8.850 metri).
Din cauza adancimii sale extreme, Groapa Marianelor este permanent cufundata in intuneric, iar temperaturile sunt aproape glaciale.
Potrivit multor oameni de stiinta, cu cat fundul oceanului este mai adanc, cu atat el este privat de hrana care provine din apele de suprafata, bogate in oxigen.
Integral pe gandul.info
Foto: descopera.ro
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