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Wrong Dean Beyer?

Dr. Dean Beyer Jr.

Co-Principal Investigator

Michigan Predator-Prey Project

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Michigan Predator-Prey Project

Background Information

Employment History

Michigan DNR Wildlife Division

Moose Biologist

Michigan Department of Natural Resources

Wildlife Biologist

Northern Michigan University

Web References (115 Total References)

Dean Beyer, a wildlife ... [cached]

Dean Beyer, a wildlife research biologist for the DNR, who is serving as the co-principal investigator for the Michigan Predator-Prey Project, said it will consist of three three-year-long phases of field work. Field work for the first phase, in which fawn mortality rates in low-snowfall zones of the U.P. were investigated, began in 2009. The second phase's field work, focusing on fawn mortality rates in mid-snowfall zones in Iron County, is ongoing.

"When we complete that, we'll move up to the high-snowfall zone (in January 2017)," Beyer said.
Once the third phase's field work is done, Beyer said he expects the project to run for a few more years to analyze the collected data.
Even though the project is still years away from completion, research done in the low-snowfall zone has already provided valuable information about fawn survival rates.
"In the low-snowfall zone...we had annual fawn survival range from 35 percent to 59 percent," Beyer said.
"Coyotes were an important predator of fawns in phase one," Beyer added.
According to their website, the Predator-Prey Project uses netted "clover" traps to capture adult does during the winter months. If they are pregnant, researchers outfit them with a radio-tracking collar and an implanted transmitter which will report where they give birth to their fawns.
"It ... increases our chances to find and capture a young fawn," noted Beyer.
The presence of livestock dump sites near the zone being studied in phase one may have been a confounding factor, as Beyer said it could have reduced the odds of wolves attempting to eat fawns in the area.
"They had this readily-available food source," Beyer said.
Still, he noted the Michigan Predator-Prey Project's extreme level of depth and peninsula-wide scope ensures it will be highly useful.
"It's a very comprehensive study - there's not many studies out there that investigate all of these factors simultaneously," Beyer said.

Pagosa-springs-wolves | Crazy Horse Outfitter and Guides [cached]

"We wanted to look at the role of predation and winter habitat on fawn survival," said Dean Beyer, a wildlife researcher with Michigan's DNR.

"We jumped into the UP because of the deer population trends," Beyer said.
Belant and Beyer discovered two packs of wolves in the area.
"They (wolves) were hitting carcasses," Beyer said. "That influenced the predation on fawns and might have reduced it. It will be interesting to see what happens in the mid-snow zone where there is no agriculture or cattle dump."
Phase 2 begins next winter in Iron County, Phase 1, in Delta and Menominee counties, collected predator data points for 650,000 locations, Beyer said.

Dean Beyer, wildlife ... [cached]

Dean Beyer, wildlife biologist for the Michigan Department of Natural Resources, said the preliminary estimate for wolves in his state's Upper Peninsula in 2004-05 is 408 animals in 86 packs.

Researchers also found a wolf in Michigan's Lower Peninsula last year for the first time since 1910. It was fitted with a radio collar and monitored for several months before a coyote trapper mistakenly killed it, Beyer said.

Dr. Dean Beyer of the ... [cached]

Dr. Dean Beyer of the Michigan DNR Wildlife Division monitors the Michigan moose population. He stated "from 1997 to 2007 the UP moose population was growing by 10 percent a year."

Dr. Beyer said "This year's survey only indicates a moose population of 323 animals in the western U.P. Although at face value this appears to be a definite decline, due to variability surrounding the estimates, biologists can't say with statistical confidence that the population has declined."
Beyer explained the DNR's survey efforts have been focused on the western U.P. moose population, that was re-introduced in the "Moose Lift" program. Beyer explained that the moose herd in the eastern U.P., "likely number fewer than 100."
Dr. Beyer gave three possible factors that may have contributed to a possible decline in the west U.P. moose population:
"Given the population's trend and the most recent estimate, the DNR will not recommend implementing a harvest at this time," Beyer said.

According to DNR Wildlife Research ... [cached]

According to DNR Wildlife Research Biologist Dean Beyer the moose population grew slowly to about 215 animals by the turn of the century.

Dr. Dean Beyer of the Michigan DNR monitors the Michigan moose population. He said "from 1997 to 2007 the U.P. moose population was growing by 10 percent a year."
He went on to say that "from 2009 to 2013 the moose population only grew by two percent per year."
Beyer said the current moose population aerial survey indicates there were about 451 moose in the western U.P. during January 2013.
Beyer explained the DNR's survey efforts have been primarily focused on the western U.P. moose population that was re-introduced in the "Moose Lift" program.
Dr. Beyer explained that the moose herd in the eastern U.P., "likely number fewer than 100."
The source of the eastern U.P. moose is not known for certain. It is possible that a few scattered moose remained from native moose although it is also likely some immigrated from eastern Ontario or the western U.P.
Beyer listed the following factors currently causing mortality in Michigan moose: disease kills 30 percent; trauma (stuck in mud/fall through ice, etc.), 24 percent; 14 percent die from liver flukes; and four percent die from collisions with vehicles.
Current Michigan moose monitoring cannot give an exact figure, although during intensive radio collar monitoring between 1999 to 2005 about five percent of moose emigrated out of the study area.
Brain worm that caused 35 to 40 percent of U.P. moose mortality early after the re-introduction, has recently fallen to only "two percent of the overall moose mortality."
Beyer felt that winter ticks that have been very detrimental to moose in some other areas were not as significant a factor in the west U.P. The researcher did not consider wolf predation to be a significant mortality factor to the west U.P. moose population.
"The moose calf survival rate is higher in the U.P. than many other monitored moose populations, especially those systems with wolves and brown bears," he said.
"Wolves would more likely target deer than moose in the western U.P. and many of the deer in the core U.P. moose range move to deer yards outside this range in the winter. Wolves would be more likely to follow the deer away from the moose in the winter," Beyer said.
Some moose experts have speculated that this hard winter would actually help the moose population.
Beyer felt that was a reasonable assumption since "moose have evolved to prosper in deep snow and very cold winters.
"Since the Michigan moose population is currently only growing at two percent per year, the Michigan Natural Resources Commission is not currently considering a moose season," Beyer said.

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