Dall sheep alaska study pdf

Federal aid alaska department of annual progress report fish and game division of wildlife conservation po box 115526 juneau, ak 998115526 title. This edition of trophy points was based on information from the following studies. Alaska sheep hunter survey resident sheep hunter responses. Evaluate the current condition of mineral licks in and near the project area. Dall sheep use of areas of critical environmental concern in. Fga is 1 of 2 military bases in the world with dall sheep and the only one open to sheep hunting. Only portions of the itkillik study area were surveyed in 2020. Dalls sheep home ranges near anaktuvuk pass, alaska from march 1998 to. Jul 01, 2010 in the early to mid1990s, dall sheep populations in alaska declined from an historical estimated high of 75,000 sheep to the presently estimated 4050,000. Fully guided alaska dall sheep hunts with steve johnson of.

Study of mycoplasma ovipneumoniae in alaskas domestic. Oct 01, 2014 life tables can be constructed in two ways. A summary on current status and trends pdf 4,189 kb chugach range research presentation dall s sheep research in the chugach range, gmus d and 14c 2017 update pdf 17,065 kb dall s sheep capture video in this 56second. In 2011, a usda national animal health monitoring system nahms study detected m. Density of dalls sheep in alaska effects of predator harvest. We havent see these kinds of camera trapping methods employed in other studies, he said. The alaska range west arw is a popular dall sheep hunting area for both. Resident sheep hunter responses pdf 2,175 kb sheep populations, hunters, and harvest. Field work was limited to the brooks range since sheep ranges in the cathedral. Dall sheep management report and plan, game management units.

Pdf we measured population abundance and density of dalls sheep ovis. The alaska region of the national park service manages 16 areas in alaska. The first, which we have been hunting in for over 20 years, may be operated and contracted with my close friend, veteran guide jeff poor, whom i have worked with for close to 25 years. We have been collectively studying and managing north american and dall sheep since the 1960s. Report period 1 july 201 june 2016 and plan period 1 july 201630 june 2021. Until 2005, declines approximately equal in ram and ewe. Between 1998 and 1999, density of dall s sheep in the treatment area increased by 0. Association between weather and dalls sheep ovis dalli dalli. On one hand, the biologically aware public takes the view that sheep autecology is unique, and alaska s dall sheep should be managed according to what has been learned through specific research and empirical management trials such as heimer and. Compared to the harvest of older ungulates, the harvest rates of sheep in alaska are low and expected effects of human take on sheep populations is accordingly, negligible. Mineral licks are heavily used by dall sheep in alaska and canada dixon 1939, palmer 1941, gross 1963, pitzman 1970, heimer 1973, gill 1978.

Hes also copi on a project led by epscor northern test case affiliate laura prugh to study changing vegetation and snow conditions in the alaskan alpine and their effect on dall sheep. Dall sheep ovis dalli populations in much of the alaska range declined during the early 1990s, mainly because of poor lamb production during 19901993. Unit 14c and unit d limited entries permit areas hold some of the largest hunt able trophy dall sheep in the world. Alaska, dall sheep, harvest, horncurl, working management hypothesis, ovis dalli dalli we, the authors, are a diverse group. Knowing this allows managers to continue to have longer hunts which provide maximum opportunity to all hunters who want the challenge of harvesting a fullcurl dall sheep. That is roughly onehalf of the dalls sheep estimated to live in alaska, and. Interrelationships of dall sheep and predators in the. Pdf habitat use by dall sheep and an interior alaska. Dall sheep use of areas of critical environmental concern. Oct 10, 2015 on october 21, 2014, aea held an isr meeting for the dall s sheep distribution and abundance study work completed in 20.

Evaluating survival and ome hrange use of dalls heep in. If you have booked with us, or you are a hunter seriously thinking of pursuing dall sheep in alaska then take my advice and start the training as early as possible, start shooting out to 500 yards, start ditching the excess weight, eating the protein, working the heart and lungs and testing your gear in every way you can. Alaska department of and 0 college road, fairbanks, alaska 99701 hovements and seasonal ecology of g eve and 7 ran radiocollared dall sheep on and adjacent to fort greely, alaska fga. Comparison of the percentage of rams in each horn curl class for the living population and a reconpage 6 17 35 structed cohort. The general distribution is well understood, and is presented. Following two severe winters in the early 1990s, the population dropped to less than half its dall sheep management in northwest alaska previous size. The primary reason that the regulation eventually ended up at full curl, however, is that some influential hunters and guides wanted bigger sheep on the mountains. Aerial surveys for dalls sheep were conducted with a helicopter in 8 study units within the interior.

Fairbanlta, alaska the abundance and distribution of dall sheep in alaska has received much attention throughout the brief history of sheep investigations in the state. Sandhill crane monitoring study, fort wainwright, alaska. Dalls sheep ovis dalli dalli inhabit the mountain ranges of alaska. Our alaska hunting guides have harvested large numbers of exceptioinal dall sheep that clients keep coming back for.

A word from the dall sheep guide revelation mountain outfitters. Wildlife management of dall sheep an important wildlife management issue in northwest alaska is the declining dall sheep population in the western baird mountains. These sheep are native to northwestern north america and survived recent glaciations in refugia located in alaska, yukon and northwestern british columbia. Dall sheep management report and plan, game management unit a, e, 14a, and 14b, talkeetna mountains and chulitnawatana hills. Dall sheep management report and plan, game management.

Habitat use by dall sheep and an interior alaska mammal community. Study of mycoplasma ovipneumoniae in alaskas domestic sheep. Charles sheldon, a hunter and naturalist, came to the denali area in 1906 to study dall sheep. Demography and home ranges of dalls sheep national park. Studies have explored the attitudes and perceptions of alaska sheep.

S4 there is some debate among taxonomists ether american thinhorn sheep actually separate species or, in fact, are species of siberian snow sheep, which very similar in size and appearance to nes sheep ccherniavski 1962, cowan 0, rausch 1961. Elias national park and preserve, po box 439, copper center. Dalls sheep news alaska department of fish and game. The declines seemed to be weather related, on the basis of the presumption that lamb survival rates are primarily weathermediated in alaska. Delineate the summer range of dall s sheep in the study area. Dall sheep study area showing the watana hills, portagetsusena area, and the mt. Location of dalls sheep ovis dalli and mountain goat.

Dalls sheep hunting serves as an ideal case study for the evaluated. The auction generates funds for nonprofit hunting and conservation organizations and for state wildlife research and management. Demography of dalls sheep in northwestern alaska this article was prepared by christopher kleckner, mark udevitz, and layne adams, all of the alaska science center, u. This study begun by the sheep staff of alaska department of fish and in response to the clear need for an economic value for sheep and dall sheep habitat. Geological survey, and by brad shults of the national park service, kotzebue, alaska. Evaluating survival and ome hrange use of dalls heep in lake. Arctic areas followed, while alpine areas of interior alaska and the cold arctic. Dall sheep management and research, alaska department of fish. Application and derivation dall sheep are endemic to the mountainous regions of alaska and northwestern canada, where snow cover persists for eight to nine months of the year and is characterized by finescale heterogeneity associated with complex landscapes. Because most rams are difficult to accurately age in the field, recent studies have shown that at least 50% of the agelegal rams rams eight years of age or older.

Study area and proximity of chisana reference and ptarmigan lake treatment. These are the most prized trophy dall sheep hunting areas in alaska and north america. Some sheep have been documented to travel 12 mi out. Scotton federal aid in wildlife restoration research final report 1 may 199530 june 1997 grants w244, w245 study 6. We operate three trophy dall sheep camps in the central brooks range.

Our areas of specialty range from the evolution and behavior of mountain sheep vg, through typical. The dall s sheep, or dall sheep, ovis dalli dalli, is the more northern subspecies of thinhorn sheep, ovis dalli sp. Alaska department of fish and game division of wildlife conservation 2018. Between 1999 and 2000, after a winter with abovenormal, crusted snow, density of sheep.

If drawn these are the best dall sheep hunts in alaska these hunts are conducted in the world famous areas of chugach mountains alaska game unit 14c and unit d for trophy dall sheep limited entry draw areas. Dall sheep hunters the opportunity to harvest trophy rams in an uncrowded setting. This document, published in pdf format only, should be cited as. However, movi has now been detected in healthy dall s sheep as well as mountain goats in alaska with no evidence of illness or deaths. In comparing horn growth qualities of dall sheep rams inhabiting 7 mountain ranges in alaska, rams in the tma exhibit the second greatest horn length and the fourth greatest horn mass qualities heimer and smith 1975.

Dalls sheep research in the chugach range, gmus d and 14c 2017 update pdf 17,065 kb dalls sheep capture video in this 56second, slowmotion aerial video, a wildlife biologist and researcher uses a netgun to capture a dalls sheep. You will examine and analyze the life table from this cohort study as part of this exercise. Buck mangipane, lake clark national park and preserve, 1 park place, port alsworth, ak 99653, usa. Location of the baird mountains study area, noatak national preserve, alaska. Biologists are studying southcentral alaskas dall sheep, and in recent years. On february 1, 20, ferc staff issued its study plan determination february 1 spd for 44 of. Study of mycoplasma ovipneumoniae in alaska s domestic sheep and goats mycoplasma ovipneumoniae movi in the western u. Dall sheep management report and plan, game management unit. An overview of dalls sheep habitat management wild sheep. Analyze and synthesize data from historical and current studies of dall s sheep in the study area, as a continuation of aeas 2012 study of biggame movement and habitat use.

Preliminary results from a horn study initiated in 2016 demonstrate that more than 50 percent of the 484 rams that were examined. Dall sheep hunting in alaska alaska outdoors supersite. Ewe dall s sheep survival, pregnancy and parturition rates, and lamb recruitment in gmu 14c, chugach mountains, ak. Delayed spring onset drives declines in abundance and recruitment. Dalls sheep research in the chugach range, gmus d and 14c. High latitude studies on shrub change focus primarily on expansion. The effects of military jet overflights on dalls sheep in interior alaska. A dall sheep ewe and two lambs near the dalton highway at the head of the atigun river valley. Estimating rates and causes of neonatal lamb mortality of.

Watson, alaska department of fish and game, 0 college road, fairbanks, ak 99701. Brooks range dall sheep alaska big game hunting, bear. Dalls sheep news winter 2017 alaska state legislature. This document, published as a pdf only, should be cited as follows. Gates of the arctic national park and preserve study areas. May 01, 1995 alaska department of fish and game division of wildlife conservation october 1997 estimating rates and causes of neonatal lamb mortality of dall sheep in the central alaska range bradley d. Between 2005 and 2007, 26 ewes and 14 rams were captured using net gun and fitted with gps radiocollars. Recommendations are offered to protect these populations and their habitat with respect to military exercises. The second and final aerial survey of dall s sheep distribution in the study area was completed in july 2015. The first way is to study a cohort, a group of individuals born at roughly the same time, from birth to death. Spring studies of dall sheep along final report prepared for. The study area encompassed available dalls sheep habitat in national park units occurring in three regions of alaska where climate patterns. Age distribution of dall sheep remains found on the atigun study area. Dall sheep management report of surveyinventory activities 1 july.

High latitude studies on shrub change focus primarily on expansion in the arctic. Migratory bird nesting habitat study to maintain compliance with mbta. Two site visits to mineral licks used by dall s sheep were completed in may and june 2014. Dall s sheep habitat on blmmanaged lands in alaska acres sheep habitat gisderived based on adfg habitat management guide 1985 field office habitat acres anchorage 4,750 arctic 536,900 central yukon 731,100 eastern interior 754,600 glennallen 880,850 total blmmanaged sheep habitat in alaska 3,317,200 bureau of land management lands. Dall sheep winter range and lambing areas figure 3. Areas of critical environmental concern in the utility corridor management area, alaska. Letter from the principal investigator university of alaska.

Coyotes canis latrans are a major predator of dall sheep lambs in the central alaska range car scotton 1997, yet little is known of coyote ecology in alaska. Seeing the need to protect this area and the dall sheep from commercial hunting, in which harvested wildlife was marketed in quantity, sheldon lobbied congress to set the area aside as a national park. The application period is nov 1 to dec 6 each year with the results coming out in late january. Dalls sheep distribution and abundance, study plan. More research and monitoring is needed to determine if the movi strains found in alaska wild sheep and goats are similar to those in the lower 48 that have been associated with high mortality events. Arguments tend to or the american thinhornsheep as a dis. This census was designed to evaluate 3 different survey methods to determine. Dall sheep research, alaska department of fish and game. A brief resume of the status, management, research efforts on. Population and habitat analyses for dalls sheep thesis of. Results the pilot observed 237 ewelike sheep, 82 lambs, and 46 rams 12 fullcurl, for a total of 365 sheep. Current management strategies have maintained a consistent, longseason, generalharvest sheep hunt in alaska for many decades. Pairwise comparisons of shrub change across alpine climates show.