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More than 99 percent of all species, amounting to over five billion species, [7] that ever lived on Earth are estimated to be extinct. [8] [9] Estimates on the number of Earth's current species range from 10 million to 14 million, [10] of which about 1.2 million have been documented and over 86 percent have not yet been described. [11]
The Chukchi population is found off in the western part of Alaska near the Wrangell Islands, and the Beaufort Sea population is located near Alaska's North Slope. [ 10 ] Until the late 1940s, polar bears were hunted almost exclusively for subsistence by Inupiats and dogs teams, though from the late 1940s until 1972, sport hunting by others took ...
A May 2016 study based on scaling laws estimated that 1 trillion species (overwhelmingly microbes) are on Earth currently with only one-thousandth of one percent described, [28] [29] though this has been controversial and a 2019 study of varied environmental samples of 16S ribosomal RNA estimated that there exist 0.8-1.6 million species of ...
Currently, there are no roads within or leading into the refuge, but there are a few Native settlements scattered within. On the northern edge of the refuge is the Inupiat village of Kaktovik (population 258) [ 17 ] and on the southern boundary the Gwich'in settlement of Arctic Village (population 152). [ 17 ]
Life on Our Planet is an American television nature documentary series released on Netflix and produced by Amblin Television and Silverback Films.Executive-produced by Steven Spielberg and narrated by Morgan Freeman, the series focuses on the evolutionary history of complex life on Earth.
Arctic Alaska or Far North Alaska is a region of the U.S. state of Alaska generally referring to the northern areas on or close to the Arctic Ocean. It commonly includes North Slope Borough , Northwest Arctic Borough , Nome Census Area , and is sometimes taken to include parts of the Yukon-Koyukuk Census Area .
Alaska is larger than all but 18 sovereign nations (it is slightly larger than Iran but slightly smaller than Libya). Alaska is home to 3.5 million lakes of 20 acres (8.1 ha) or larger. [3] Marshlands and wetland permafrost cover 188,320 square miles (487,700 km 2) (mostly in northern, western and southwest flatlands).
As of 2018, the global gray wolf population is estimated to be 200,000–250,000. [1] Once abundant over much of North America and Eurasia, the gray wolf inhabits a smaller portion of its former range because of widespread human encroachment and destruction of its habitat, and the resulting human-wolf encounters that sparked broad extirpation.