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Title:
NILEx (soil): soil erosion data
Access rights:
Free within projects
Usage rights:
No information available
Published:
No information available
Abstract:
Litter cover plays a major role in soil erosion processes. It is known that litter cover reduces erosivity of raindrops, decreases sediment discharge and lowers runoff volume compared to bare ground. However, in the context of biodiversity, the composition of litter cover, its effect on sediment discharge and runoff volume and their influence on soil erosion have not yet been analyzed in detail. Focusing on initial soil erosion (splash), our experimental design is designated to get a better understanding of these mechanisms. This dataset contains the results of the 2012 rainfall simulations on runoff plots within the New Integrated Litter Experiment (NILEx).
Design:
96 runoff plots (40cm x 40cm) on two hill slopes inside a castanea molissima forest plantation have been installed and filled with seven different types of litter cover. 16 one-species plots, 24 two-species plots, 4 four-species plots and 4 bare ground plots have been set up, each replicated once. We prepared 48 plots with traps (Renner solution) for soil macrofauna (diplopods and collembola), so half of the plots were kept free from fauna while the other half was accessible for fauna. Rainfall was generated artificially by using our rainfall simulator with a continuous and stable intensity of 60 mm/h. Our experiments included two runs of 20 minutes duration each, both conducted at two different time steps (summer 2012 and autumn 2012). Runoff volume and sediment discharge were measured every 5 minutes during one rainfall run. Litter coverage and litter mass were recorded at the beginning (summer 2012) and at the end of the experiment (autumn 2012).
Spatial extent:
NILEx site near main experiment site B. Castanea mollissima plantation.
Temporal extent:
Two timesteps: - may 2012 - september 2012
Taxonomic extent:
Soil macro fauna.
Measurement cirumstances:
Hot and humid :)
Data analysis:
No information available

Filter:
Dataset column

Name:
phase
Definition:
NILEx time step
Unit:
No information available
Datagroup:
Time series
Keywords:
NILEx timesteps
Values:
P2
P1
Contributors:
No information available

Dataset column

Name:
block
Definition:
NILEx block
Unit:
No information available
Datagroup:
NILEx research plot
Keywords:
No information available
Values:
A
C
B
D
Contributors:
No information available

Dataset column

Name:
plot_NILEx
Definition:
NILEx plot (near site B)
Unit:
No information available
Datagroup:
NILEx research plot
Keywords:
NILEx plots
Values:
A01
A05
A02
A03
A04
Contributors:
No information available

Dataset column

Name:
div_level
Definition:
level of leaf litter diversity
Unit:
No information available
Datagroup:
Helper
Keywords:
Diversity level
Values:
2
4
1
0
Contributors:
No information available

Dataset column

Name:
composition
Definition:
leaf species composition
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
AB
ABCD
A
AD
AC
Contributors:
No information available

Dataset column

Name:
species_pool
Definition:
species pool
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
S1
S2
Contributors:
No information available

Dataset column

Name:
treat
Definition:
treatment (fauna or non-fauna)
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
n
f
Contributors:
No information available

Dataset column

Name:
run
Definition:
rainfall simulation: wet run (w) or dry run (d)
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
w
d
Contributors:
No information available

Dataset column

Name:
slope
Definition:
slope / inclination
Unit:
degree
Datagroup:
Inclination
Keywords:
slope
Values:
15.9
14.5
15.6
12.8
13.6
Contributors:
No information available

Dataset column

Name:
slope_group
Definition:
slope classification
Unit:
No information available
Datagroup:
Inclination
Keywords:
slope
Values:
3
5
1
4
2
Contributors:
No information available

Dataset column

Name:
soil_dens
Definition:
bulk density
Unit:
g/cm3
Datagroup:
Bulk density
Keywords:
bulk density
Values:
1.08
1.09
1.1
1.07
1.06
Contributors:
No information available

Dataset column

Name:
l_cover
Definition:
soil surface cover by leaf litter; Instrumentation: Nikon D10 + Gimp
Unit:
%
Datagroup:
Vegetation layer cover
Keywords:
surface cover
Values:
0
13
13.25
10
12.5
Contributors:
No information available

Dataset column

Name:
moisture
Definition:
soil moisture
Unit:
%
Datagroup:
Soil moisture
Keywords:
soil moisture
Values:
11.5
12.3
12
10.5
11.1
Contributors:
No information available

Dataset column

Name:
pH_H2O
Definition:
pH (in H2O); Instrumentation: Sentix 81 and WTW pH-meter
Unit:
pH
Datagroup:
pH value
Keywords:
pH
Values:
4.62
4.55
4.57
4.59
4.58
Contributors:

Dataset column

Name:
pH_KCl
Definition:
pH (in KCl); Instrumentation: Sentix 81 and WTW pH-meter
Unit:
pH
Datagroup:
pH value
Keywords:
pH
Values:
3.64
3.67
3.63
3.66
3.65
Contributors:

Dataset column

Name:
C_t
Definition:
total organic carbon content; Instrumentation: Elementar Vario EL III
Unit:
Mass-%
Datagroup:
Carbon
Keywords:
carbon
Values:
1.18
1.16
1.02
1.19
1.07
Contributors:

Dataset column

Name:
N_t
Definition:
total organic nitrogen content; Instrumentation: Elementar Vario EL III
Unit:
Mass-%
Datagroup:
Nitrogen
Keywords:
nitrogen
Values:
0.13
0.16
0.14
0.12
0.15
Contributors:

Dataset column

Name:
C_N
Definition:
ratio organic carbon / organic nitrogen
Unit:
ratio
Datagroup:
Carbon Nitrogen ratio
Keywords:
C/N ratio
Values:
10.2
10
10.1
10.3
10.4
Contributors:
No information available

Dataset column

Name:
sed_dis
Definition:
sediment discharge
Unit:
g
Datagroup:
Sediment discharge
Keywords:
Sediment discharge
Values:
0.139
0.229
0.13
0.101
0.122
Contributors:
No information available

Dataset column

Name:
C_dis_t
Definition:
carbon discharge; Instrumentation: Elementar Vario EL III
Unit:
g
Datagroup:
Carbon
Keywords:
carbon
Values:
0
100.955
101.151
101.289
0.2
Contributors:

Dataset column

Name:
N_dis_t
Definition:
nitrogen discharge; Instrumentation: Elementar Vario EL III
Unit:
g
Datagroup:
Nitrogen
Keywords:
nitrogen
Values:
0.018
0.185
0.461
0.385
0.376
Contributors:

Dataset column

Name:
runoff
Definition:
surface runoff
Unit:
ml
Datagroup:
Surface runoff
Keywords:
Surface runoff
Values:
1020
1080
1040
1050
1070
Contributors:
No information available

Dataset column

Name:
C_dis_pc
Definition:
carbon discharge
Unit:
Mass-%
Datagroup:
Carbon
Keywords:
carbon
Values:
1.49
1.72
1.78
1.61
1.74
Contributors:
No information available

Dataset column

Name:
N_dis_pc
Definition:
nitrogen discharge
Unit:
Mass-%
Datagroup:
Nitrogen
Keywords:
nitrogen
Values:
0.17
0.18
0.15
0.19
0.16
Contributors:
No information available

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