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Author
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Topic: Coyote Populations?
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JeremyKS
Knows what it's all about
Member # 736
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posted February 22, 2006 04:24 PM
I have heard this figure before but can't remember what it is, but how many coyotes do you have to kill to actually hurt the population? I maybe way off based but is it something like you have to kill 70% or 80% of the population in that area to hurt them? any thoughts on this?
[ February 22, 2006, 04:25 PM: Message edited by: JeremyKS ]
Posts: 369 | From: Texas panhandle | Registered: Nov 2005
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Leonard
HMFIC
Member # 2
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posted February 22, 2006 04:40 PM
No, that's close to what I have heard, but I take it on faith. I assume those that do the research can back it up?
Good hunting. LB
[ February 22, 2006, 04:41 PM: Message edited by: Leonard ]
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EL BEE Knows It All and Done It All.
Don't piss me off!
Posts: 32366 | From: Upland, CA | Registered: Jan 2003
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Rich Higgins
unknown comic
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posted February 22, 2006 05:05 PM
Jeremy, there have been many studies conducted on control and suppression of relative densities. Each one produced a similar model.
Here are a few,
Pyle-1972 showed that annual kill rates of about 40% of the pups, 45% of the yearlings, 36% o the two year olds,26% of the three year olds,and 20% of the four to eleven year olds would hold the population steady. Seems like that would be hard to prove.
Sheriff-1976 found that mortality rates of 78% for pups and 50% for adults would reduce the population by 50% over 25 years.
Connally and Longhurst-1975 said that their coyote population could withstand an annual kill rate of 70% but not 75%. But even at 75% the population persisted for more than 50 years.
The manner in which the coyote recovers from low densities after control measures is astonishing.
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JeremyKS
Knows what it's all about
Member # 736
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posted February 22, 2006 05:40 PM
thanks for the info Rich...that's pretty interesting stuff, any idea how big of area these studies covered?
Posts: 369 | From: Texas panhandle | Registered: Nov 2005
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