Embed Size (px)
DESCRIPTION
Forest Landscape Restoration Act (PL , Sec. 4003(c)), the natural resources monitoring program objectives are: (1) contribute toward the restoration of the structure and composition of pre-fire- suppression old growth stands, (2) reduce the risk of uncharacteristic wildfire, and/or maintain or re-establish natural fire regimes, (3) improve fish and wildlife habitat, including endangered, threatened and sensitive species, (4) maintain or improve water quality and watershed function, and (5) prevent, remediate, or control invasions of exotic species. Monitoring Objectives:
Citation preview
Small Mammals
Mark Peyton, Ruth Passernig, Robert Parmenter
Forest Landscape Restoration Act (PL 111-11, Sec. 4003(c)), the natural resources monitoring program objectives are:
(1) contribute toward the restoration of the structure and composition of pre-fire-suppression old growth stands, (2) reduce the risk of uncharacteristic wildfire, and/or maintain or re-establish natural fire regimes, (3) improve fish and wildlife habitat, including endangered, threatened and sensitive species, (4) maintain or improve water quality and watershed function, and (5) prevent, remediate, or control invasions of exotic species.
Monitoring Objectives:
Forest Landscape Restoration Act (PL 111-11, Sec. 4003(c)), the natural resources monitoring program objectives are:
(1) contribute toward the restoration of the structure and composition of pre-fire-suppression old growth stands, (2) reduce the risk of uncharacteristic wildfire, and/or maintain or re-establish natural fire regimes, (3) improve fish and wildlife habitat, including endangered, threatened and sensitive species, (4) maintain or improve water quality and watershed function, and (5) prevent, remediate, or control invasions of exotic species.
Monitoring Objectives:
16 sites, 88 traps per site
Expected outcomes and timeframe:
Response of small mammal populations will vary based on natural history of species
Mixed Conifer Ponderosa Pine
Species Burn Control Burn ControlDeer mouse 114 117 73 56
Brush mouse 0 0 0 2Golden-mantled ground squirrel 92 27 5 8
Least chipmunk 3 42 0 18Colorado chipmunk 0 6 0 13
Mexican woodrat 1 6 1 4Bushy-tailed woodrat 0 3 0 0
Nuttal's cottontail 3 7 0 2Red Squirrel 0 34 0 5Montane Vole 9 2 11 0
Long-tailed Vole 0 0 9 0Shrews 1 10 2 2
2012-2014: 14 species captured. 688 small mammals.
Spring12 Fall12 Spring13 Fall13 Spring14 Fall140
2
4
6
8
10
12
14
16
18
ControlBurn
Mea
n nu
mbe
r per
plo
t
ANOVA:Fire: P<0.02Season: P=0.03Year: P<0.03
Golden-mantled Ground Squirrel- Mixed Conifer
Spring12 Fall12 Spring13 Fall13 Spring14 Fall140
1
2
3
4
5
ControlBurn
Mea
n nu
mbe
r per
plo
t
ANOVA:Fire: P=0.0002Season: NSYear: NS
Least Chipmunk- Mixed Conifer
Spring12 Fall12 Spring13 Fall13 Spring14 Fall140.0
0.5
1.0
1.5
2.0
ControlBurn
Mea
n nu
mbe
r per
plo
t
ANOVA:Fire: NSSeason: NSYear: NS
Colorado Chipmunk- Ponderosa Pine
Spring12 Fall12 Spring13 Fall13 Spring14 Fall140
1
2
3
4
ControlBurn
Mea
n nu
mbe
r per
plo
t
ANOVA:Fire: P<0.0001Season: P<0.02Year: NS
Red Squirrel- Mixed Conifer
Spring12 Fall12 Spring13 Fall13 Spring14 Fall140
1
2
3
4
ControlBurn
Mea
n nu
mbe
r per
plo
t
ANOVA:Fire: NSSeason: NSYear: NS
Montane Vole- Ponderosa Pine
Spring12 Fall12 Spring13 Fall13 Spring14 Fall140
1
2
3
4
ControlBurn
Mea
n nu
mbe
r per
plo
t
ANOVA:Fire: P=0.0152Season: P=0.0152Year: P=0.0038
Long-tailed Vole- Ponderosa Pine
Spring12 Fall12 Spring13 Fall13 Spring14 Fall140
1
2
3
ControlBurn
Mea
n nu
mbe
r per
plo
t
ANOVA:Fire: P=0.018Season: P=0.006Year: NS
Shrews- Mixed Conifer
2011 2012 2013 20140
102030405060708090
100
Mixed Conifer %Plant Cover
BurnedControl
% C
over
*
2011 2012 2013 20140
102030405060708090
100
Ponderosa Pine %Plant Cover
BurnedControl
% C
over *
**
% Plant Cover was lower immediately post fire- 2011. But quickly returned and is now higher on burned sites in both mixed conifer and ponderosa pine forest types.
Observed outcomes:
Observed outcomes match expected outcomes
Acknowledgments
