Alaska’s caribou herds frequently experience cyclic highs and lows influenced by natural factors including range condition, weather, disease, and predation. In the mid-1970s, just before oil production started, the herd totaled only about 5,000, according … Arctic caribou are generally smaller in body size than caribou of the interior and Alaska Peninsula. In July 2013, the Central Arctic Herd was estimated at 50,000 caribou. Caribou are a member of the deer family and they share common traits. The state's Central Arctic herd, which roams an area of north-central Alaska about the size of Ohio, hit a peak of about 70,000 caribou in 2010. Teshekpuk Lake in the North Slope is in the traditional lands of the Iñupiat, who depended on the Teshekpuk herd for millennia. The Western Arctic Caribou Herd Working Group (WG) includes subsistence users, other Alaskan hunters, reindeer herders, hunting guides, transporters and conservationists. The Western Arctic caribou herd most recent peak of 490,000 animals in 2003 was followed by years of steady decline. A Troubling Decline in the Caribou Herds of the Arctic Across the Far North, populations of caribou — an indispensable source of food and clothing for indigenous people — are in steep decline. During past years, The reindeer (Rangifer tarandus), also known as the caribou in North America, is a species of deer with circumpolar distribution, native to Arctic, sub-Arctic, tundra, boreal, and mountainous regions of northern Europe, Siberia, and North America. The size of another Alaska caribou herd has plummeted, leaving biologists with Alaska Department of Fish and Game concerned — and a bit flummoxed. The state's biggest herd, the Western Arctic, has dropped from a high of 490,000 animals in 2003 to 201,000 today. Hunting the Central Arctic caribou herd. (Fairbanks) — A drop in the Central Arctic caribou herd from 50,000 animals three years ago to around 22,000 in 2016 may lead to shorter hunting seasons and smaller bag limits in 2017. Scientists point to rising temperatures and a resource-development boom as the prime culprits. The herd often Whether infrastructure has affected the herd’s population is unclear. It's not unusual for there to be rises and falls in the numbers of caribou in herds, but one biologist described the change for the Central Arctic herd as 'definitely a steep decline.' Caribou populations fluctuate constantly. Agency staff, biologists and natural resource managers are advisory to the WG and provided information and support when needed or requested by the group. The ADFG has monitored all the arctic caribou herds for decades and has shown a steady increase in the Central Herd for the past 35 years until this years small decline. Caribou herds in Canada are discrete populations of the four subspecies, Rangifer tarandus—Barren ground (R. t. groenlandicus), Woodland (R. t. caribou), Grant's (R. t. granti), and Peary (R. t. pearyi), —and their ecotypes, that are represented in Canada. FAIRBANKS — Alaska’s Department of Fish and Game will recommend cutting hunting opportunities for the Central Arctic Caribou Herd this year because of the herd’s rapid decrease in size. Caribou herds can be found from the High Arctic region south to the boreal forest and Rocky Mountains and from the east to the west coasts. Reasons for the decline aren't completely understood, but hunting is not thought to be a factor. It fell to 50,000 in 2013. The Porcupine herd is estimated around 100,000 in population. It was estimated that the initial count of the Central Herd of 70,000 animals contained about 5000 Porcupine caribou. In 2008, the Teshekpuk Lake caribou herd had 64,107 animals and the Central Arctic caribou herd had 67,000.. By 2017, the Teshekpuk herd's numbers, whose calving grounds are in the region of the shallow Teshekpuk Lake, had declined to 41,000 animals. In northern Alaska, the Central Arctic herd (CAH) of barren-ground caribou (Rangifer tarandus granti) is known to migrate over large distances, but the herd’s seasonal distributions and migratory movements are not well documented. study which will provide more insight into herd population dynamics in 2018. Central Arctic Herd Population estimate: 22,630 (2016), 28,050 (2017) ... Trails A publication of the Western Arctic Caribou Herd Working Group that involves and informs users of the Western Arctic Caribou Herd so that it may be effectively managed. (22,630 caribou). The photo above shows an aerial view of Alaska's Western Arctic caribou herd, which has seen a population boom after being on the decline for more than a decade. Rangifer herd size varies greatly in different geographic regions. Numbers reached a low of 201,000 in 2016, leading state and federal subsistence managers to initiate hunting restrictions. Teshekpuk Lake in the North Slope is in the traditional lands of the Iñupiat, who depended on the Teshekpuk herd for millennia. The population objective for CAH is 28,000-32,000. The Central Arctic population is estimated around 30,000.

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