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porcupine caribou herd tracking

Named for the major river within its range, the Porcupine Caribou … Population Estimate of the Dolphin and Union Caribou herd (Rangifer tarandus groenlandicus x pearyi) Coastal Survey, October 2018 and Demographic Indicators . A 15':30" movie of a powerpoint presentation on the 2020 survey of the George River Caribou herd. In past studies, more cows died in the winter than in the summer. The herd usually stays on the northern coastal plains of Alaska in the summer where they forage and bulk up for another winter. Last year, for the first time since 2003, the Western Arctic caribou herd—the state’s largest herd—grew, and by over 50,000 individuals. Exactly when and where they go is impossible to predict. We continue to monitor caribou movement to the northwest of Windy Pass using satellite collars and fixed-wing aircraft to help ensure the most up to date knowledge of herd movements is available. Once the helicopter lands, three scientists begin their work. In 2013, when the most recent photocensus was completed, the herd had an estimated 197,000 caribou. The herd has gone up and down in size over time, but it has always been an important part of the ecology of the Western Arctic. As the Porcupine Caribou migrate north to their wintering grounds, they cross Dempster Highway, a major landmark that snakes through the Artic wilderness. The condition of individual animals, any diseases or outbreaks, and predators that kill caribou can all contribute to herd health. Signals of Spring students can track the caribou as the move across the highway. The Porcupine caribou herd crossing the Turner River. The Porcupine Caribou Harvest Management Plan outlines approaches for managing and tracking harvest of the herd, particularly along the highway corridor. The Porcupine caribou population has hit a record high of 218,000, according to a separate DFG release. In mid-July, they begin their trip east towards the NWT and then eventually return south towards Dawson City. While planning for their field work, they will use signals from the radio collars to identify where the majority of the herd is located. "Survival of adult female caribou is very important to population dynamics. To monitor population, researchers try to conduct a census of the Porcupine Caribou herd every two years. Photograph: Rex/Shutterstock. The Porcupine caribou herd range includes the Northwest Territories (NWT), Yukon and Alaska, with the calving grounds located along the Arctic coast in Alaska and Yukon. Knowing the overall number of caribou, or the population, and how that number changes over time is important for managing the herd, particularly when it comes to harvest. The Trump Administration has paved the way for an oil and lease sale in Alaska’s pristine Arctic National Wildlife Refuge scheduling a lease sale for Jan. 6, 2021, before the president … Sometime around April, depending on the snow and weather conditions, the herd begins to move north towards their calving grounds - the area where the cows will have their calves. This probably has to do with the amount of vegetation available for the cows and calves to eat. The agreement coordinates conservation efforts by the two countries and ensures opportunities for customary and traditional uses … Tracking caribou Collars deployed on barren-ground caribou in the Northwest Territories (NWT) are typically GPS/Argos units. Much of the herd’s calving and post-calving ranges exist within the Arctic National Wildlife Refuge on the North Slope in Alaska. Recent field research by the Arctic National Wildlife Refuge found that survival is lower now than it was when the herd was increasing," explains Ms. Cooley. Since the first census was conducted in the early 1970s, the herd has shifted between 100,000 and 200,000 animals. 1987). However, now more cows are dying in the summer than in the winter. Cocoa has carried a satellite transmitter since 2004. Scientists Dorothy Cooley and Martin Kienzler of the Porcupine Caribou Herd Satellite Collar Project based in Yukon, Canada share the exciting job of capturing, collaring, and tracking the Porcupine Caribou herd in order to understand their migration patterns, population dynamics, and use of the land. In order to try to understand the herd better, researchers monitor for changes in the herd’s size and composition. Scientists will continue to track Cocoa to learn about the herds' migration patterns and use of the land. Each year, the herd not only survives in this environment, but undertakes a 1,000-kilometre migration from their winter home in the valleys of the Richardson, Ogilvie, and/or Brooks Range mountains to their calving grounds on the … The Porcupine caribou herd ranges from northeastern Alaska, across the Yukon Territory, to the MacKenzie Valley in the Northwest Territories of Canada. Scientists involved in the Porcupine Caribou Herd Satellite Collar Project try to maintain between 60 and 100 radio collars, and 10 to 15 satellite collars. FACT SHEET: Porcupine Caribou Indigenous groups from Canada and the United States were concerned about the effects the oil and gas industry might have on the Porcupine barren-ground caribou herd (Rangifer tarandus granti), which passes between Alaska, Yukon and the Northwest Territories in its yearly migrations. There are lots of exciting things happening with the Porcupine Caribou. Mr. Kienzler and his colleagues will set out for their next capture session during the week of March 13, 2007. It was a revelation to … The 197,000 member Porcupine caribou herd has such a connection with the Arctic National Wildlife Refuge. From the northern reaches of the Yukon and Northwest Territories, they make their way to the relative safety of Alaska’s coastal plain where, by late May, they calve and nurse the next generation. About this content. That's according to a photocensus compiled last summer by the Alaska Department of Fish and Game. The Porcupine Caribou herd is one of the largest migratory barren ground caribou herds in North America. More cows than bulls (male caribou) carry radio collars and only cows are equipped with satellite transmitters. “I have been closely tracking proposed developments in the refuge and their potential effect on … All partners with jurisdiction along the highway collaborate on communication materials to ensure the ethical and sustainable harvest of the herd. Background The Porcupine Caribou Herd is a population of barren ground caribou that ranges across northeastern Alaska, Yukon, and northwestern Northwest Territories, providing an important source of sustenance for user communities. For thousands of years, the herd has been a source of food, clothing, tools and shelter for the Gwitchin and Inuvialuit peoples who inhabit this region. The society began collecting observations of hunters and other community members about the size, and … ... That makes the Porcupine caribou herd’s vitality all the more incredible, and protecting the herd even more critical. Signals of Spring students know that animals wearing satellite tags can be tracked from satellites way above the Earth's surface. The plan is an agreement by the five First Nation governments to protect the herd by monitoring the herd’s size and population, and setting hunting restrictions as needed. This designation requires Canada to develop a Recovery Strategy for this species, which speaks to how habitats will be … The Porcupine Caribou herd moves throughout 260,000 km2 of wilderness extending from Kaktovik, Alaska to Aklavik, NWT and south to Dawson City, Yukon. FILE – In this undated file photo provided by the U.S. Mr. Kienzler carefully aims the "net gun" to center on the caribou's shoulders and pulls the trigger. Porcupine Caribou Herd Satellite Collar Project is a cooperative project, between a number of wildlife agencies and boards, using satellite radio collars to document seasonal range use and migration patterns of the Porcupine Caribou herd in the northern Yukon, Alaska and North West Territories. The late-evening sun, still high above the horizon, gleams through one of the windows in the community centre and casts a square of … cpawsadmin Blog, BlogArcticRefuge Arctic Refuge, blog, Porcupine caribou, united. Keep your eye on the satellite tracking maps to investigate caribou migrations this season. Over the preceding 5 seasons, this herd has passed right through our hunting area during this time period, with thousands of animals pouring right through our camps! She will be recaptured this March and her satellite transmitter will be replaced before the battery runs out. It is important to understand and monitor the overall health and survival rate of the herd. … As of 2001, there were about 123,000 animals in the Porcupine Caribou herd. Porcupine caribou range from their calving grounds in Alaska, through northern Yukon and then to their habitual winter grounds in the Northwest Territories. (Past data for caribou migrations and vegetation maps are available on the maps and data page.) This means the herd is probably still declining since 2001. The collars are used to find the caribou each spring in order to keep track of the number of cows that successfully have calves. First, the scientists hold the animal down, blindfold it, and then remove the net. This incredible journey takes them through what is still a significantly intact landscape of the Arctic. National Aeronautics and Space Administration. The Porcupine Caribou herd is one of the largest migratory barren ground caribou herds in North America. Collars Help Researchers Collar transmissions can help … Each collar is GPS-enabled and collects and stores a GPS location at pre-determined intervals throughout the day. Arctic Caribou and Moose Contaminant Monitoring Program. Signals of Spring students can investigate by studying the vegetation and rainfall maps and comparing them to where the caribou spend their summers. It resembles the subspecies known as the barren-ground caribou (R. t. groenlandicus) and is sometimes included in it. The survey estimates the herd is up to 8,100 from 5,500 in 2018. 1. Fish and Wildlife Service, caribou from the Porcupine Caribou Herd migrate onto the coastal plain of the Arctic National Wildlife Refuge in northeast Alaska. Researchers try to maintain 100 conventional collars on Porcupine Caribou. Once the scientists identify the caribou that they are interested in capturing, the helicopter pilot tries to direct the group to a flat, open area that has deep, soft snow. In order to try to understand the herd better, researchers monitor for changes in the herd’s size and composition. This situation was ideal," explains Mr. Kienzler, referring to the picture. The Porcupine Caribou Herd ranges across the northern Yukon, northeastern Alaska and the northwestern fringe of the Northwest Territories. The number of caribou that cross the highway are a good indicator of how many animals will reach their calving grounds. Josie seems most at home on the land. The International Porcupine Caribou Agreement is important to Canada because First Nations in the Yukon and Northwest Territories rely on this caribou herd for sustenance. This is the first time time in 20 years that herd numbers have trended upwards. Top photo: The Porcupine caribou herd in Alaska’s Arctic National Wildlife Refuge (photo by Peter Mather) Bottom photo: Mike Anderson of The Wilderness Society (photo provided) November 9 2017 Canada unites to protect the porcupine caribou herd. This 49 page (in English) report contains executive summaries in Inuktitut (both syllabics and western orthography). This species was recently assessed as Threatened by the Committee on the Status of Endangered Wildlife in Canada, the national body designated by Canada’s Species At Risk Act. prise the Porcupine Caribou Herd (PCH) (Skoog 1968, Clough et al. Porcupine Caribou Herd Like antlered gypsies, barren ground caribou are always on the move. The Dophin and … Porcupine caribou mother and calf, by Peter Mather Every year, the Porcupine caribou herd embarks on the longest land mammal migration in the world, covering over 2400 kilometers from the Northwest Territories, Yukon and into Alaska. We’re hunting the Porcupine Herd of Caribou in the Southern Slopes of the Brooks Range as they migrate to the Southern edge of their range for the winter months. Each year, the Porcupine caribou herd embarks on one of the longest migrations on earth. Drilling in the refuge has been fiercely opposed for decades. "Every capture is different and anything can happen," explains Mr. Kienzler. They last peaked at 178,000 in 1989, which was followed by a drop to 123,000 in 2001. This vast area encompasses some 340,000 km2 (over 130,000 mi 2) of coastal tundra, high and rugged mountains, rolling hills, and broad forested valleys. Government of Newfoundland and Labrador (2020) Usage: … Supported by. “Canada has long opposed development in the Arctic National Wildlife Refuge due to the potential impact to the Porcupine caribou herd and to Indigenous Peoples. In addition to radio collars, twelve female (cow) caribou currently carry satellite transmitters. In addition to being one of the largest herds, Porcupine caribou have the longest land migration of any animal in the world. The Gwich’in are caribou people, spread across 13 villages on the outskirts of the Porcupine caribou herd’s range, and they depend on the animals for their physical and cultural sustenance. It is the safest situation for us and the caribou. The herd has gone up and down in size over time, but it has always been an important part of the ecology of the Western Arctic. After calving, caribou of the PCH form ag-gregations of up to 90,000 animals, probably to reduce … Once the caribou have been located, they then go out with the helicopter. "We prefer to capture caribou in large flat open areas (such as frozen lakes) where the snow is deep. A 16-foot square net with weights on four corners flies from the gun and falls overtop of the animal. It’s land that his people roamed for thousands of years before any Europeans had set foot on the shores of North America. Ms. Cooley and her colleagues are interested in the relationship between climate change and caribou survival. DEPARTMENT OF FISH AND GAME Don W. Collinsworth, Commissioner . Because they migrate to the tundra, both the Leaf River herd and George River herd are often included with the barren-ground caribou. The Porcupine caribou herd migrates annually between Canada and the United States. The Porcupine herd is one of the largest migratory caribou herds in North America. Most herds, however, are drawn to a specific calving area. Set against this backdrop, the barren-ground Porcupine caribou herd, named after the Porcupine River that bisects its annual range, seems an improbable success. Meanwhile the Porcupine caribou herd, a close second in size, reached a record high of 218,000 individuals. The team's major priority is the safety of the caribou and the scientists. Now the administration is fast-tracking an environmental review that would auction away the birthplace of the herd to the fossil fuel industry. The Porcupine caribou herd has a record high number of animals. To locate the animals, the scientists fly over the caribou winter range in a fixed-wing airplane to 'listen' for the radio collars' signals. Cooperative monitoring and research on the herd is guided by two co-management boards in Canada and Alaska. Scientists Dorothy Cooley and Martin Kienzler of the Porcupine Caribou Herd Satellite Collar Project based in Yukon, Canada share the exciting job of capturing, collaring, and tracking the Porcupine Caribou herd in order to understand their migration patterns, population dynamics, and use of the land. Satellite transmitters allow scientists and Signals of Spring students to locate the cows from their computers. In Canada major barren-ground herds include the Porcupine caribou herd, Cape Bathurst herd, Bluenose West herd, Bluenose east herd, Bathurst herd, Ahiak herd, and the Dolphin Union herd. Cocoa is one of twelve caribou that currently carry satellite transmitters. Most of the increase is thought to be due to a higher calving rate. Porcupine caribou and their calving grounds are invaluable to the culture and subsistence of the Gwich’in and Inuvialuit peoples. Alaska’s caribou are having a moment. The population has declined steadily since 1989, when the herd reached 178,000 animals. Canada unites to protect the porcupine caribou herd . Porcupine Caribou were named for the Porcupine River that flows through their range. No one is sure what causes the herd to get smaller or larger, but ongoing monitoring programs indicate that changes in adult survival might be one of the things that affects the population the most. The bulls separate from the cows when it is time for calves to be born! Residents of Old Crow have been required to report their harvest of Porcupine caribou since 2010, when the Porcupine Caribou Harvest Management Plan (PCMB) was first implemented. Limited exploration of the portion of the coastal plain known as the "1002 area" indicated a potential for significant petroleum reserves, and the U.S. Congress is considering legislation to open the area for oil and gas development. Satellite collars are much more convenient and easy to use; however they are very expensive so the researchers don't use as many of these tags. The most effective way to collect data and attach radio collars or satellite transmitters to the animals is to briefly catch them in a net. Dempster Highway is often closed for a week in the spring to allow caribou to cross the highway safely. The Porcupine Caribou Herd is part of the barren-ground caribou species found in Canada. The caribou spend the winter in the southern portions of their range, but exactly where they winter varies from year to year. I was lucky to witness the herd’s migration in the Yukon in the summer of 2016. The Government of Yukon monitors the Porcupine caribou herd’s movements, and if large numbers move south of km 140, we may open this area to harvest. The Porcupine caribou or Grant's caribou (Rangifer tarandus granti) is a subspecies of the reindeer (or the caribou in North America) found in Alaska, United States, and Yukon and the Northwest Territories, Canada. The "results' section starts about 7':47" in. The caribou steps into the net and falls in the soft snow. It shows that the Dophin and Union herd has declined to an estimated 4,105 in 2018, down from 17,000 in 2015. Then, the researchers can take blood samples and measurements and place the satellite transmitter or radio collar around the animals' neck. J. Hickel, Governor . 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