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This profile was last updated on 4/28/14  and contains information from public web pages.

Dr. Dean Beyer Jr.

Wrong Dr. Dean Beyer Jr.?

Wildlife Research Biologist

Local Address: Marquette, Michigan, United States
DNR
 
Background

Employment History

71 Total References
Web References
According to DNR Wildlife Research ...
www.ironmountaindailynews.com, 28 April 2014 [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.
"We wanted to look at the ...
www.michiganwhitetails.net, 2 April 2012 [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.
"As temperatures have increased, we're ...
www.grandviewoutdoors.com, 20 Nov 2013 [cached]
"As temperatures have increased, we're seeing some association with these declining populations," said Dean Beyer Jr., a wildlife research biologist with the Michigan Department of Natural Resources.
...
Scientists have ruled out attacks from resurgent gray wolves as a significant contributor, Beyer said.
Moose tales from the Michigan border
www.glifwc.org, 16 Nov 2002 [cached]
Dean Beyer, MDNR moose biologist, said the pulse rate emitted by the police scanner mimicked that of the collared bull, but the tone was slightly off.It was a close enough match, however, to warrant an investigation, he said.
...
Although Michigan wildlife managers are in the process of developing new population modeling techniques, the western Upper Peninsula moose herd appears to be growing by around 4 to 6 percent, said Michigan Biologist Dean Beyer.Previous population data was skewed-in part-because it did not account for disbursing animals, Beyer explained.
"As temperatures have increased, we're ...
www.miningjournal.net, 20 Nov 2013 [cached]
"As temperatures have increased, we're seeing some association with these declining populations," said Dean Beyer, a DNR wildlife research biologist based in Marquette.
...
Biologists have ruled out attacks from the U.P.'s gray wolves as a significant contributor, Beyer said.
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