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Title:
CSPs: Soil Gravimetric Water Content (mineral soil)
Access rights:
Private
Usage rights:
No information available
Published:
No information available
Abstract:
In all four seasons (summer 2008, autumn 2008, spring 2009 and winter 2010) the gravimetric soil water content of the mineral soil in up to 6 soil layers was determined. Soil sampling was performed in parallel with nitrate and ammonium extractions.
Design:
Gravimetric water content is the mass of water per mass of dry soil." The gravimetric water content of the mineral soil was determined in all seasons (summer 2008, autumn 2008, spring 2009 and winter 2010) in the all 27 CSPs. Soil samples were taken using a standard soil corer (diameter 1.3 cm, Eijkelkamp, Netherlands) from the mineral soil (A- and B-horizon) in 5 increments (0-10, 10-20, 20-30, 30-40, 40-50cm). Sampling was intensified for autumn, winter and spring by dividing the upper soil layer (0-10cm) into two increments (0-5 and 5-10cm). Soil samples were collected in the four corners of the central subplot (10m x 10m) and were pooled per soil layer for analysis. The soil was sieved (2 mm) and a subsample of 5g was used to determine water content. Samples were dried at 105°C for 24h and moisture data are presented as percent dry weight.
Spatial extent:
CSPs of the BEF China Experiment, Gutianshan Nature Reserve 29°08'-29°17'N 118°02'-118°11'E
Temporal extent:
summer 2008, autumn 2008, spring 2009 and winter 2010
Taxonomic extent:
soil samples, no organisms
Measurement cirumstances:
No information available
Data analysis:
Data analysis

Filter:
Dataset column

Name:
CSP
Definition:
name of the CSP in the Nature ReserveBEF research plot nameReasearch plots of the Biodiversity - Ecosystem functioning experiment (BEF-China). There are three main sites for research plots in the BEF Experiment: Comparative Study Plots (CSP) in the Gutianshan Nature Reserve, having a size of 30x30m^2, measured on the ground.
Unit:
No information available
Datagroup:
BEF research plot name
Keywords:
CSP
Values:
CSP02
CSP03
CSP01
CSP04
CSP05
Contributors:
No information available

Dataset column

Name:
Date
Definition:
date of samplingDate time information
Unit:
No information available
Datagroup:
Date time information
Keywords:
date
Values:
2008-05-31
2008-03-09
2008-06-03
2008-06-02
2008-06-01
Contributors:
No information available

Dataset column

Name:
Season
Definition:
Season in which sample was taken , Summer sampling period: 03.06.2008 - 10.07.2008, Autumn sampling period: 25.10.2008- 05.11.2008, Spring sampling period: 06.03.2009 - 14.03.2009, Winter sampling period: 25.01.2010 - 05.02.2010
Unit:
No information available
Datagroup:
Season
Keywords:
season
Values:
Sum08
Aut08
Spr09
Win10
Contributors:
No information available

Dataset column

Name:
Layer
Definition:
Sampled soil layer, Soil layer 0-10 cm, measured only in summer 2008, Soil layer 0-5 cm , sampled in autumn 2008, spring 2009, winter 2010, Soil layer 5-10cm , sampled in autumn 2008, spring 2009, winter 2010Soil depth
Unit:
No information available
Datagroup:
Soil depth
Keywords:
soil depth
Values:
0-5cm
20-30cm
30-40cm
10-20cm
0-10cm
Contributors:
No information available

Dataset column

Name:
Fresh_weight
Definition:
Fresh weight of soil collected in the field; Helper; balance
Unit:
g
Datagroup:
Helper
Keywords:
No information available
Values:
4.94
4.952
4.933
4.903
4.95
Contributors:
No information available

Dataset column

Name:
Dry_weight
Definition:
Dry weight of soil (105 °C, 24 h); Helper; balance
Unit:
g
Datagroup:
Helper
Keywords:
No information available
Values:
2.817
2.935
2.787
2.96
2.565
Contributors:
No information available

Dataset column

Name:
Moisture%
Definition:
Gravimetric water content presented as percent dry weight, Calculating gravimetric water content GWC%=((fresh weight-dry weight)/dry weight)*100%
Unit:
percent
Datagroup:
Gravimetric water content of soil
Keywords:
soil, water content
Values:
14.586672773070724
14.611872146118715
16.117045982350184
16.682199440820135
16.48044692737431
Contributors:
No information available

Dataset column

Name:
GWC
Definition:
gravimetric water content present as g H2O / g dry soil, GWC =((fresh weight-dry weight)/dry weight)
Unit:
percent
Datagroup:
Gravimetric water content of soil
Keywords:
soil, water content
Values:
0.16117045982350184
0.14611872146118715
0.14586672773070725
0.1648044692737431
0.16682199440820134
Contributors:
No information available

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5 scherer lorenzen medium

Michael
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Stefan
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