restoring hydrological function on landscapes - esgate
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Soil& Water Conservation Society2015 International ConferenceGreensboro, North Carolina
July 28, 2015
Restoring Hydrological Function on LandscapesThrough the Removal of Western JuniperStudy Conducted in Lassen County, California, USA
Eileen CareyEcologist
1018 Boulder Mountain CourtSouth Lake Tahoe, CA 96150
(916) [email protected]
Thomas W. EsgateProject Director,
Certified Conservation Planner for USDA programs18888 Meadowlark Court
Penn Valley, CA 95946(530) [email protected]
Stem Density by Species and Diameter Class for Control and Treatment Areas at Ash Valley Ranch 2013.
0-5 5-10 10-15 15-200
10
20
30
40
50
60
70
80
Control Area
Diameter Class (inches)
Tree
s pe
r acr
e
0-5 5-10 10-15 15-200
10
20
30
40
50
60
70
80Treatment Area
Diameter Class (inches)
Jeffrey pine Western juniper
0
5
10
15
20
25
30
0.0000.0500.1000.1500.2000.2500.3000.3500.400
Precipitation Treatment 12" depth Control 12" depth
5/1/2
013
5/18/2
013
6/4/2
013
6/21/2
013
7/8/2
013
7/25/2
013
8/11/2
013
8/28/2
013
9/14/2
013
10/1/2
013
10/18/2
013
11/4/2
013
11/21/2
013
12/8/2
013
12/25/2
013
1/11/2
014
1/28/2
014
2/14/2
014
3/3/2
014
3/20/2
014
4/6/2
014
4/23/2
014
5/10/2
014
5/27/2
014
6/13/2
014
6/30/2
014
7/17/2
014
8/3/2
014
8/20/2
014
9/6/2
01405
1015202530
0.000
0.100
0.200
0.300
0.400
Precipitation Treatment 6" depthControl 6" depth
Soil
Volu
met
ric W
ater
Con
tent
(m3 /
m3 )
Cum
ulati
ve P
reci
pita
tion
(in)
0
5
10
15
20
25
30
0.0000.0500.1000.1500.2000.2500.3000.3500.400
Precipitation Treatment 12" depth Control 12" depth
5/1/2
013
5/18/2
013
6/4/2
013
6/21/2
013
7/8/2
013
7/25/2
013
8/11/2
013
8/28/2
013
9/14/2
013
10/1/2
013
10/18/2
013
11/4/2
013
11/21/2
013
12/8/2
013
12/25/2
013
1/11/2
014
1/28/2
014
2/14/2
014
3/3/2
014
3/20/2
014
4/6/2
014
4/23/2
014
5/10/2
014
5/27/2
014
6/13/2
014
6/30/2
014
7/17/2
014
8/3/2
014
8/20/2
014
9/6/2
01405
1015202530
0.000
0.100
0.200
0.300
0.400
Precipitation Treatment 6" depthControl 6" depth
Soil
Volu
met
ric W
ater
Con
tent
(m3 /
m3 )
Cum
ulati
ve P
reci
pita
tion
(in)
[
5/1/2
013
5/25/2
013
6/18/2
013
7/12/2
013
8/5/2
013
8/29/2
013
9/22/2
013
10/16/2
013
11/9/2
013
12/3/2
013
12/27/2
013
1/20/2
014
2/13/2
014
3/9/2
014
4/2/2
014
4/26/2
014
5/20/2
014
6/13/2
014
7/7/2
014
7/31/2
014
8/24/2
014
9/17/2
0140
5
10
15
20
25
0
0.5
1
1.5
2
2.5
3
3.5
4
Precipitation Treatment Control
Cum
ulati
ve P
reci
pita
tion
(in)
Cum
ulati
ve D
rain
age
(in)
Cumulative Drainage was Greater in the Treatment Area