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Report on an investigation into the use of small wooden boxes as muskrat trapping aids.
Report of estimates of the harvest of furbearers by trappers as determined by mail surveys for 1957-1960.
This report presents estimates of trapper catch and estimates of pelt values of some of Michigan's important furbearers for the 1983-84 trapping seasons. Presented is the number of animals trapped. average pelt price, and estimated total harvest values.
Report on investigations into the relationship between an apparent abundance of mink and skunk in Sanilac County and their supposed menace to other small game, brought on by a petition purporting such in an effort to get an open season on skunk and mink.
Estimates of the harvest of furbearers by trappers as determined by mail surveys for 1959-1962.
Report on a trip to investigate muskrat trapping conditions in the marshes bordering Saginaw Bay and Lake Erie, with emphasis on the influence of changing water levels.
This report presents estimates of trapper catch of some of Michigan's important furbearers for the 1980-81 trapping seasons. The estimates are generated from responses to mail survey questionnaires. Presented for comparison are the results of similar mail surveys conducted after the 1969-70 and 1970-71 seasons. The species included in this report are the muskrat (Ondatra zibethica) , mink (Mustela vison), raccoon (Procyon lotor), opossum (Didelphis marsupialis), striped skunk (Mephitis mephitis), weasels (Mustela sp.), red fox (Vulpes fulva), and coyote (Canis latrans). Estimates for beaver (Castor canadensis), river otter (Lutra canadensis), and bobcat (Lynx rufus), are available from mandatory registration counts.
Report on the suitability for various wildlife investigations in the Allegan Resettlement Project area.
Study of resistance to abrasion of muskrat fur to help determine the season of the year producing the most durable fur.
Summary of activities and small game populations at unnamed sanctuary (possibly the C. W. Kellogg Wildlife Farm and Sanctuary)
Report on mink and muskrat trapping season - December and January - at the Pointe Mouillee marsh. Includes discussion of proceedures, takes, violations, fur prices and quality, and sex and ratio of the animals.
A sample of furtakers was contacted after the 2004 hunting and trapping seasons to estimate the number of participants, days afield (effort), and furbearer harvests. In 2004, about 13,600 furtakers pursued furbearers; an increase of 4% from 2003. About 33% of the license buyers trapped (6,923 trappers), 47% hunted (10,071 hunters) and 16% both trapped and hunted (3,356 furtakers) during 2004. The species most frequently pursued by trappers were raccoons, coyotes, and muskrats. Hunters most commonly sought coyotes, raccoons, and red fox. Harvest levels of most furbearers in 2004 were within historical ranges, except for coyotes. The number of coyotes taken by both hunters and trappers was the highest recorded since 1980. Trends in harvest are affected by both changes in furtaker and furbearer numbers; thus, harvest per furtaker was also examined for trends. The mean number of raccoon and opossum taken per furtaker has increased since the 1980s. The mean harvest of coyotes per hunter has increased since the mid-1980s, while the mean harvest of red fox by both hunters and trappers has declined during this same period. These trends suggest that raccoon, opossum, and coyote may have been increasing in abundance during the last 20 years, while red fox numbers may have been declining. An estimated 23% of trappers used snares to catch coyote or fox, and about 6% of trappers attempted to catch beaver using snares in underwater sets.
Report on an investigation into a very high muskrat population in the Maple River flooding, fall 1961.
This report presents estimates of trapper catch of some of Michigan's important furbearers for the 1981-82 trapping seasons. Presented for comparison are the results of similar mail surveys conducted after the 1970-71 and 1980-81 seasons. No mail surveys were conducted or estimates available during the nine year interim period because of rapidly increasing numbers of sportsman's license holders who were authorized to trap during that time period. The species included in this report are the muskrat (Ondatra zibethica), mink (Mustela vison), raccoon (Procyon lotor), opossum (Didelphis marsupialis), striped skunk (Mephitis mephitis), weasels (Mustela sp.), red fox (Vulpes fulva), gray fox (Urocyon cinereoargenteus), coyote (Canis latrans), bobcat (Lynx rufus), beaver (Castor canadensis), and river otter (Lutra canadensis).
Report summarizing activities and population studies at Rose Lake Wildlife Experiment Station in the first quarter of 1939.
Report on small game population and habitat over the winter of 1937-1938.
Report of a survey of a sample furtakers contacted after the 2012 hunting and trapping seasons to estimate the number of participants, days afield (effort), and furbearer harvests.
Results of investigation of reports of damage to trees by muskrats at Hayes State Park.
Outline of methods and plan for experiment to test the durability of muskrat fur pelts.
Notes of a talk given to the Michigan Federation of Humane Societies meeting on August 15, 1935 (includes program of meeting) on the pros and cons of trapping, especially as it relates to humane treatment of animals.
A sample of furtakers was contacted after the 2003 hunting and trapping seasons to estimate the number of participants, days afield, and furbearer harvests. In 2003, about 13,000 furtakers pursued furbearers, an increase of 7% from 2002. The species most frequently pursued by trappers were raccoons, coyotes, and muskrats. Hunters most commonly sought coyotes, raccoons, and red fox. Harvest levels of most furbearers in 2003 were within historical ranges, except for harvest of muskrats and raccoons. The number of muskrats taken by trappers was the lowest recorded since 1957, and the number of raccoons taken by hunters was the lowest recorded since 1980. Trends in harvest are affected by both changes in furtaker and furbearer numbers; thus, harvest per furtaker was also examined for trends. The mean number of raccoon and opossum taken per furtaker has increased since the 1980s. The mean harvest of coyotes per hunter has increased since the mid-1980s, while the mean harvest of red fox by both hunters and trappers has declined during this same period. These trends suggest that raccoon, opossum, and coyote may have been increasing in abundance during the last 20 years, while red fox numbers may have been declining. An estimated 24% of trappers attempted to catch coyote or fox using snares, and 8% of trappers tried to catch beaver using snares set underwater. About 4% of bobcat hunters hired a guide to assist them while hunting bobcats. Nearly 59% of bobcat hunters used calls while hunting bobcats, and 45% of bobcat hunters used dogs.
Survey of a sample of furtakers contacted after the 2007 hunting and trapping seasons to estimate the number of participants, days afield (effort), and furbearer harvests.
Rose Lake Wildlife Research Area is located on the border of Shiawassee and Clinton counties, 12 mi northeast of Lansing. Mammals have been an object of study on the research area since its founding in 1938. Through the years, records have been collected on mammals frequenting the area. The amount of data gathered, as well as the methods used for collection, were not consistent from year to year. Therefore, the records are not complete enough to document population sizes or fluctuations. They do, however, provide knowledge of the mammal species present on the area and give an indication of their relative abundance. The purpose of this report is to document the presence and relative abundance of all species of mammals known or thought to be present on the Rose Lake Area from 1938 through 1980.
A random sample of archers was contacted prior to the 2003 archery deer hunting season and asked to record numbers and types of furbearers observed while deer hunting during the early archery season (October 1-November 14). The most frequently observed furbearers were raccoon and coyote. Indices for the muskrat populations were highest in the southern Lower Peninsula (SLP), and indices for wolves, fisher, and moose were highest in the western Upper Peninsula (WUP). Confidence limits associated with statewide indices usually were >30% of the estimate for most species. Consequently, comparisons made using these indices must be viewed cautiously. Increasing the sample size from 400 to 3,000 would be expected to reduce the confidence limits of the indices to about 20% of the statewide index for the common species.
A sample of furtakers was contacted after the 2005 hunting and trapping seasons to estimate the number of participants, days afield (effort), and furbearer harvests. In 2005, about 13,200 furtakers pursued furbearers; a decrease of 3% from 2004. About 33% of the license buyers trapped (6,959 trappers), 44% hunted (9,333 hunters) and 14% both trapped and hunted (3,058 furtakers) during 2005. The species most frequently pursued by trappers were raccoons, coyotes, and muskrats. Hunters most commonly sought coyotes, raccoons, and red fox. Harvest levels of most furbearers in 2005 were within historical ranges, except for coyotes. The number of coyotes taken by hunters was the highest recorded since 1980. Trends in harvest are affected by both changes in furtaker and furbearer numbers; thus, harvest per furtaker was also examined for trends. The mean number of raccoon and opossum taken per furtaker has increased since the 1980s. The mean harvest of coyotes per hunter has increased since the mid-1980s, while the mean harvest of red fox by both hunters and trappers has declined during this same period. These trends suggest raccoon, opossum, and coyote may have been increasing in abundance during the last 20 years, while red fox numbers may have been declining. An estimated 770 trappers caught 4,468 beaver through the ice during the 2005 season. Furthermore, about 894 trappers caught 2,746 beaver during April 2006. An estimated 91% of trappers that tried to catch coyote or fox used foothold traps. About 29% of coyote and fox trappers used snares in their attempt to catch coyote or fox.
