Pennsylvania Game News - September 2016 - 8

2012

2008
2003

by WNV, but at least some are surviving.
What does this new information mean
for the future of grouse and grouse hunting?
At this time, the answers are not clear.
Since the initial invasion of WNV into
Pennsylvania, the disease has fluctuated
in prevalence, with "hot" WNV years
occurring from 2002 to 2005, and again
from 2010 to 2012.
A review of our Grouse Cooperator
data shows fewer grouse were flushed in
years where WNV prevalence was highest. In fact, the data sets are near mirror
images. So the link between WNV and the
rise and fall of grouse populations remains
a strong one.

HOPE FOR THE FUTURE

There is hope, however. In years when
WNV prevalence is low, grouse numbers
can recover fairly quickly.
8

Grouse flush rates,as
shown by the WHITE line,
deline when there are
increases in West Nile
virus, shown in GRAY.
This connection has led
researchers to further
explore the impacts the
virus has on grouse.

We see this robust recovery in our
northwest and northcentral counties
where high-quality grouse habitat is fairly
abundant and well-dispersed across the
landscape.
In the northeast region and across the
three southern regions, though, grouse
numbers remain low with only anemic
upticks when WNV recedes.
Lack of a population recovery in four
of six regions is likely due to limited
young-forest habitat on the landscape.
Scattered, isolated grouse populations
are vulnerable. Vaccinating or treating
sick grouse is not feasible, nor is controlling mosquitoes in grouse habitat.
Creating abundant, high-quality habitat
is the most important safeguard we can
provide to our state bird.
Is it possible to indirectly boost grouse
populations by reducing harvest?
The Game Commission is closely



Table of Contents for the Digital Edition of Pennsylvania Game News - September 2016

Contents
Pennsylvania Game News - September 2016 - Intro
Pennsylvania Game News - September 2016 - Cover1
Pennsylvania Game News - September 2016 - Cover2
Pennsylvania Game News - September 2016 - Contents
Pennsylvania Game News - September 2016 - 2
Pennsylvania Game News - September 2016 - 3
Pennsylvania Game News - September 2016 - 4
Pennsylvania Game News - September 2016 - 5
Pennsylvania Game News - September 2016 - 6
Pennsylvania Game News - September 2016 - 7
Pennsylvania Game News - September 2016 - 8
Pennsylvania Game News - September 2016 - 9
Pennsylvania Game News - September 2016 - 10
Pennsylvania Game News - September 2016 - 11
Pennsylvania Game News - September 2016 - 12
Pennsylvania Game News - September 2016 - 13
Pennsylvania Game News - September 2016 - 14
Pennsylvania Game News - September 2016 - 15
Pennsylvania Game News - September 2016 - 16
Pennsylvania Game News - September 2016 - 17
Pennsylvania Game News - September 2016 - 18
Pennsylvania Game News - September 2016 - 19
Pennsylvania Game News - September 2016 - 20
Pennsylvania Game News - September 2016 - 21
Pennsylvania Game News - September 2016 - 22
Pennsylvania Game News - September 2016 - 23
Pennsylvania Game News - September 2016 - 24
Pennsylvania Game News - September 2016 - 25
Pennsylvania Game News - September 2016 - 26
Pennsylvania Game News - September 2016 - 27
Pennsylvania Game News - September 2016 - 28
Pennsylvania Game News - September 2016 - 29
Pennsylvania Game News - September 2016 - 30
Pennsylvania Game News - September 2016 - 31
Pennsylvania Game News - September 2016 - 32
Pennsylvania Game News - September 2016 - 33
Pennsylvania Game News - September 2016 - 34
Pennsylvania Game News - September 2016 - 35
Pennsylvania Game News - September 2016 - 36
Pennsylvania Game News - September 2016 - 37
Pennsylvania Game News - September 2016 - 38
Pennsylvania Game News - September 2016 - 39
Pennsylvania Game News - September 2016 - 40
Pennsylvania Game News - September 2016 - 41
Pennsylvania Game News - September 2016 - 42
Pennsylvania Game News - September 2016 - 43
Pennsylvania Game News - September 2016 - 44
Pennsylvania Game News - September 2016 - 45
Pennsylvania Game News - September 2016 - 46
Pennsylvania Game News - September 2016 - 47
Pennsylvania Game News - September 2016 - 48
Pennsylvania Game News - September 2016 - 49
Pennsylvania Game News - September 2016 - 50
Pennsylvania Game News - September 2016 - 51
Pennsylvania Game News - September 2016 - 52
Pennsylvania Game News - September 2016 - 53
Pennsylvania Game News - September 2016 - 54
Pennsylvania Game News - September 2016 - 55
Pennsylvania Game News - September 2016 - 56
Pennsylvania Game News - September 2016 - 57
Pennsylvania Game News - September 2016 - 58
Pennsylvania Game News - September 2016 - 59
Pennsylvania Game News - September 2016 - 60
Pennsylvania Game News - September 2016 - 61
Pennsylvania Game News - September 2016 - 62
Pennsylvania Game News - September 2016 - 63
Pennsylvania Game News - September 2016 - 64
Pennsylvania Game News - September 2016 - Cover3
Pennsylvania Game News - September 2016 - Cover4
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