#1878539 - 04/09/10 07:43 AM
Re: It is, what it is...............
[Re: gil1]
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BSK
Jerkasourous of the non-typical kind
Non-Typical
Registered: 03/11/99
Posts: 59548
Loc: Nashville, TN
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If they wanted a an even buck to doe ratio, they would reduce the buck limit. Actually, a near 50/50 harvest ratio of males and females like is occurring in many Unit L counties will produce a balanced sex ratio (and already has in some areas). I know I'm nitpicking, but you sort of made my point. We're not at 50/50 statewide. I may be wrong, but I don't think we're at 50/50 in one single county. They could manage for that if they wanted. I don't care either way.
First, we don't want a balanced harvest ratio in areas that are trying to grow the herd, like Unit B counties. Growing the herd as fast as possible (limited doe harvests) is more important than sex ratio. The sex ratio can be quickly balanced once the herd reaches the desired density.
Second, we're very close to 50/50 in numerous areas. And it doesn't take an exact 50/50 harvest either, just relatively close for a couple of years in a row (45% female is good enough). A perfectly balanced sex ratio isn't necessary. 1.5 adult does per antlered buck is perfectly acceptable.
Lastly, remember that every year a whole new age-class of adult deer--last year's fawn crop--is added to the population. This fawn crop cohort already has a balanced sex ratio (fawns are generally born at a ratio of 54% male and 46% female). This new adult age-class (this coming year's yearlings) are the largest single age-class in the population hence their sex ratio tends to swamp the sex ratio of the older adult population (2 1/2+ year-old deer).
Below is the harvest sex ratio for last year and the average for the last three years. Over the last three years, a significant portion of Middle and West TN have experienced an adequate sex ratio harvest:
_________________________
"Know where you stand, and stand there" --Jesuit Father Daniel Berrigan
"There is no reasoning someone out of a position he has not reasoned himself into." --Clive James
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#1878549 - 04/09/10 07:50 AM
Re: It is, what it is...............
[Re: BSK]
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Football Hunter
18 Point
Registered: 10/22/07
Posts: 24550
Loc: Wilson Co/Perry Co
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Holy Cow! Whats the deal with the low numbers in Perry county?!!??!!!
_________________________
The best day to plant a tree,IS TODAY!
You wont know,if you dont go!
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#1878570 - 04/09/10 08:06 AM
Re: It is, what it is...............
[Re: Football Hunter]
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BSK
Jerkasourous of the non-typical kind
Non-Typical
Registered: 03/11/99
Posts: 59548
Loc: Nashville, TN
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Holy Cow! Whats the deal with the low numbers in Perry county?!!??!!!
It's never been put in Unit L.
_________________________
"Know where you stand, and stand there" --Jesuit Father Daniel Berrigan
"There is no reasoning someone out of a position he has not reasoned himself into." --Clive James
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#1878833 - 04/09/10 12:06 PM
Re: It is, what it is...............
[Re: Football Hunter]
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mathews338
10 Point
Registered: 11/05/09
Posts: 3988
Loc: jackson co.
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there are big bucks in tn PERIOD
if ya dont like it here ky is just north thats a fact,not far either 
i love them both they have alot to offer, i get the best of both worlds
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#1878890 - 04/09/10 01:11 PM
Re: It is, what it is...............
[Re: bigdog7mm]
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8 POINTS OR BETTER
10 Point
Registered: 08/15/07
Posts: 3869
Loc: Hardin, Co.
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Classic.
So you don't have the information to back up what you've been saying?
Is this what you are looking for?  What I'm not sure of is why anyone would think BSK is the keeper of all this data. It is collected by TWRA biologists. If anything, he simply pays attention to what has been said on here in the past. Is one year of processor information all you have? Seems like I seen TWRA collecting information at a processor a couple years ago. Was this one years worth of information cherry picked. Have you not been collection processor information more than one year?
Bigdog7mm
I think you may be wright about the data being cherry picked.
BGG,
How does our age processor data compare to KY's processor data? This year our processor data was roughly 39% yearling, 41% 2-1/2, and 20% 3-1/2+. I do not have Kentucky's current year data but the last time it was provided, I believe they were in the low 40 percent for yearlings and were also showing 20% 3-1/2+. So basically our processor data was about the same as our check station data? If so, have they pretty much run about the same over the years? Yes, we ran concurrent data collection this year at processors and check stations to see how different the data set would be. There was no statistical difference in age data this year (1-1/2+) between the two sites. what about pass years how does the data from both compare?
what about pass years how does the data from both compare? We only have two years data. Unfortunately last year's data showed a difference between the two sites. That means we won't know the answer for another few years after we collect more data.
I also know they collected some processor data before 2007. I have this chart that shows how some states collect their data. This chart is per 2007 and it shows TN collecting data from 1000 deer at processors.
I would also like to see the age data from processors that was collected in years past.
Is that possible BGG?
_________________________
" Some localities are willing to work for their sport, and have plenty. Others are willing merely to take what comes easy, and have little or none." - Aldo Leopold
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#1878897 - 04/09/10 01:32 PM
Re: It is, what it is...............
[Re: BSK]
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Football Hunter
18 Point
Registered: 10/22/07
Posts: 24550
Loc: Wilson Co/Perry Co
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Holy Cow! Whats the deal with the low numbers in Perry county?!!??!!! It's never been put in Unit L.
_________________________
The best day to plant a tree,IS TODAY!
You wont know,if you dont go!
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#1878919 - 04/09/10 02:03 PM
Re: It is, what it is...............
[Re: Football Hunter]
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BigGameGuy
TWRA Biologist
12 Point
Registered: 05/14/04
Posts: 6353
Loc: Nashville
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8 point-
No cherry picking.
Since harvest is so much less in Unit B than in the rest of the state, Region IV biologists have to get much of their data from processors. In low harvest areas, it's not a good use of time to sit at a check station all day and get information from six deer, so instead they go to a collection point (processor). However, from what I am told, most of the processors they visit also serve as check stations. That data has never been differentiated so I can't show you processor only (not check station) verse check station.
In regards to the processors study we are conducting, that just started two years ago. We started doing the comparison between check stations and processors (who aren't check stations) in South Central TN in 2008 to see how it would affect our data. Two years ago the buck age structure between the two methods had a p-value of 0.05, which is borderline significant so we couldn't say for sure if there was a difference. On the other hand, without a doubt, this past year showed no difference (p-value = 0.76). Until we have a few more years in for comparison, we can't say conclusively what the affect the new collection system has on the data.
_________________________
If given the choice between education and regulation, I'll choose education every time.
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#1878928 - 04/09/10 02:14 PM
Re: It is, what it is...............
[Re: BigGameGuy]
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8 POINTS OR BETTER
10 Point
Registered: 08/15/07
Posts: 3869
Loc: Hardin, Co.
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In the above chart was the data form the prosessors and check stations collected from the same countys?
_________________________
" Some localities are willing to work for their sport, and have plenty. Others are willing merely to take what comes easy, and have little or none." - Aldo Leopold
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#1879061 - 04/09/10 04:47 PM
Re: It is, what it is...............
[Re: 8 POINTS OR BETTER]
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BigGameGuy
TWRA Biologist
12 Point
Registered: 05/14/04
Posts: 6353
Loc: Nashville
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Yes. We collected data from check stations within 8 counties in south central TN. We then went to processors on that same weekend who were NOT check stations and collected the same type of data. One of the things that is very disappointing about processor information is that we lose county information on about half of the deer. And when looking at the deer that that did have county information, about 10% come from outside the area we are in.
_________________________
If given the choice between education and regulation, I'll choose education every time.
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#1879760 - 04/10/10 12:23 PM
Re: It is, what it is...............
[Re: BigGameGuy]
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8 POINTS OR BETTER
10 Point
Registered: 08/15/07
Posts: 3869
Loc: Hardin, Co.
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One of the things that is very disappointing about processor information is that we lose county information on about half of the deer.
What county data are you losing?
_________________________
" Some localities are willing to work for their sport, and have plenty. Others are willing merely to take what comes easy, and have little or none." - Aldo Leopold
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