2004 - squirrel declines and camp expansions squirrel workshop november 20-21, 2004
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Cone Abundance
0
50
100
150
200
250
300
350
400
1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
year
avg
nu
mb
er p
er tr
ee
KL
LL
SU
Spring Densities
0.00
1.00
2.00
3.00
4.00
5.00
6.00
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
ind
ivid
ua
ls/h
a
SU
KL
LL
AG
Fall Densities
0.00
1.00
2.00
3.00
4.00
5.00
6.00
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
ind
ivid
uals
/ha
SU
KL
LL
AG
Overwinter Survival
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003
pro
po
rtio
n s
urv
ivin
g
SU adults
SU juvs
KL adults
KL juvs
May Females
0
20
40
60
80
100
120
1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
nu
mb
er o
f fe
mal
es
SU
KL
AG
Breeding Females
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
pro
po
rtio
n o
f fe
mal
es b
reed
ing
SU
KL
LL
AG
Age of Breeding Females
1
1.5
2
2.5
3
3.5
4
4.5
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
avera
ge a
ge
SU
KL
LL
AG
Yearly Julian Birthdates of 1st Litters
0
20
40
60
80
100
120
140
160
180
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
aver
age
Julia
n d
ate
SU
KL
LL
AG
Litter Sizes
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
aver
age
litte
r si
ze
SU
KL
LL
AG
Daily Growth Rates
0.00
0.50
1.00
1.50
2.00
2.50
3.00
1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
dail
y g
row
th (
g/d
ay
)
SU
KL
LL
AG
Emerging Juveniles
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
pro
po
rtio
n o
f ju
ven
iles
SU
KL
LL
AG
Yearly Core Data Collected
• Trapping– March-August; December (not 98, 03)– Weights, reproductive conditions
• Behaviour– SU territory mapping (A-J, 1-10)– Focals (10 breeding females,once/week, 1 obs
every 30 sec for 10 min)– Bequeathal information– Casual observations
• Nests– Parturition dates– Growth rates– Genetic samples– Sex ratio– Nest locations and types
• Middens– Ownership census (May, August)– Condition, defense, activity
Yearly Core Data Collected
• Other– Cones– Buds– Mushrooms
• Files– Trapping– Behaviour– Juv– Midden– Admums– Flastall
Yearly Core Data Collected
Costs To Run Squirrel Camp
• Salaries
– $2200/month x 2 months x 2 people = $ 8,800
– $2000/month x 4 months x 4 people = $32,000
• Food & Accommodation
– $200/month x 2 months x 2 people = $ 800
– $200/month x 4 months x 4 people = $ 3,200
• Vehicle Fuel, Maintenance and Repairs = $ 6,500
• Airfare to/from Whitehorse = $ 1,500
• Equipment Purchases and Repairs– Refurbish 60 collars = $ 3,650– Purchase 15 collars = $ 2,875– Repair and service 7 receivers = $ 900
• Miscellaneous – Satellite phone = $ 280– Trapping kits = $ 260– Peanut butter = $ 200– Other = $ 400
Total cost for 4 person crew for 1 year = $61,165
Costs To Run Squirrel Camp
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