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Show: Exploratories microbial data 2012

Title:
Exploratories microbial data 2012
Access rights:
Free within projects
Usage rights:
On request and only members of the project. Note that labile carbon and nitrogen, pH and potential nitrification were measured on own funds. The other variables were aquired within the project.
Published:
No information available
Abstract:
The biogeochemical cycling in forest ecosystems is highly dependent on the interactions between plants and soil. Tree species affect element cycling through deposition in throughfall, litterfall, microbial activities in soil and rhizosphere processes. Tree species diversification has been suggested for maintaining forest ecosystem services and combining provisioning and supporting services with multifunctional and sustainable forestry. However, the understanding of the role of biodiversity in forests is unclear, in particular concerning the microbial diversity and activity in soils. This file contains data of bacterial metabolic diversity, microbial biomass, pH, labile carbon and nitrogen, and potential nitrification (upper layers only) in organic and upper mineral soil horizons sampled in 2012 in the 209 plots of the Exploratory Platform of the FunDivEUROPE project (http://www.fundiveurope.eu/). This Exploratory Platform is a network of comparative plots of 1-5 tree species established in existing mature forest in 6 countries. These six focal regions represent important European forest types along the gradient from boreal forest to Mediterranean forest.
Design:
Samples were taken in the 209 plots (30x30 m) the Exploratory Platform of FunDivEUROPE. A soil sample was taken in 5 (corners and middle subplot) of the 9 10x10m subplots and mixed to obtain one representative composite sample from each plot. Organic (if present) and mineral (5 cm) soil horizons were samples separately. Soils were sieved fresh (4mm), stored at 4°C and analysed within 2 weeks.
Spatial extent:
Exploratories FUnDivEurope: Finland, Germany, Italy, Poland, Spain, Romania
Temporal extent:
Soil sampling dates: Finland:18/06/2012-21/06/2012; Germany: 27/04/2012-29/04/2012; Italy: 26/03/2012-28/03/2012; Poland: 10/09/2012-12/09/2012; Spain: 12/11/2012-14/11/2012; Romania: 8/10/2012-10/10/2012
Taxonomic extent:
No information available
Measurement cirumstances:
No information available
Data analysis:
Response variables: NOTE: in this dataset, Cmic has been calculated with a kEC=0.35, but we now consider kEC=0.45 more adequate Microbial biomass carbon (Cmic) and Nitrogen (Nmic) Ctot . Water-content ot. qmicot. pHH2O pHKCl ot. NitPot ot. NtotCW NtotHW CCW ClabileCtot. Planned data analyses: mixed models, strucutural equation modelling

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Dataset column

Name:
Sample
Definition:
sample number
Unit:
No information available
Datagroup:
Helper
Keywords:
No information available
Values:
10B
11B
11A
12A
10A
Contributors:
No information available

Dataset column

Name:
richness
Definition:
tree species richness
Unit:
No information available
Datagroup:
Species richness
Keywords:
No information available
Values:
5
2
4
3
1
Contributors:
No information available

Dataset column

Name:
season
Definition:
sampling season (spring-autumn)
Unit:
No information available
Datagroup:
Samping season
Keywords:
No information available
Values:
spring
autumn
Contributors:
No information available

Dataset column

Name:
PlotID
Definition:
fundiv plot identity
Unit:
No information available
Datagroup:
Exploratory plot id
Keywords:
No information available
Values:
FIN04
FIN01
FIN02
FIN03
FIN05
Contributors:
No information available

Dataset column

Name:
horizon
Definition:
sampling horizon (organic-mineral)
Unit:
No information available
Datagroup:
Soil horizon
Keywords:
No information available
Values:
Organic
Mineral
Contributors:
No information available

Dataset column

Name:
DW
Definition:
coefficient to transform fresh weight into dry weight
Unit:
No information available
Datagroup:
Soil variable
Keywords:
No information available
Values:
0.223181918
0.260981191
0.24
0.23256979
0.24040913
Contributors:
No information available

Dataset column

Name:
LOI
Definition:
loss on ignition
Unit:
%
Datagroup:
Soil variable
Keywords:
No information available
Values:
0.574481802
0.517466697
0.69056172
0.717922849
0.777003143
Contributors:
No information available

Dataset column

Name:
Cmic
Definition:
microbial biomass carbon
Unit:
mg kg-1
Datagroup:
Microbial biomass
Keywords:
C
Values:
1004.837251
10139.43136
10201.37261
10178.58897
10213.40503
Contributors:
No information available

Dataset column

Name:
Nmic
Definition:
microbial biomass nitrogen
Unit:
mg kg-1
Datagroup:
Microbial biomass
Keywords:
N
Values:
1005.354053
100.5504063
1001.138513
0.723912975
1014.891956
Contributors:
No information available

Dataset column

Name:
Ctot
Definition:
total organic carbon content
Unit:
%
Datagroup:
Microbial biomass
Keywords:
C
Values:
0.417397005
0.334001048
0.451746013
0.300852731
0.401489372
Contributors:
No information available

Dataset column

Name:
Water-content
Definition:
gravimetric water content
Unit:
%
Datagroup:
Soil variable
Keywords:
water
Values:
10.05489396
10.43877352
10.32763533
10.74453592
10.71383369
Contributors:
No information available

Dataset column

Name:
qmic
Definition:
microbial quotient
Unit:
mg Cmic.g-1 Ctot
Datagroup:
Microbial biomass
Keywords:
C
Values:
10.6663036
10.18348237
10.10415184
10.79086254
10.21152904
Contributors:
No information available

Dataset column

Name:
pHH2O
Definition:
pH of soil in water
Unit:
No information available
Datagroup:
Soil variable
Keywords:
pH
Values:
4
3.83
3.98
4.13
3.66
Contributors:
No information available

Dataset column

Name:
pHKCl
Definition:
pH of soil in KCl solution
Unit:
No information available
Datagroup:
Soil variable
Keywords:
pH
Values:
2.9
3.05
2.98
2.86
2.76
Contributors:
No information available

Dataset column

Name:
Diversity
Definition:
indicator of metabolic (functional) diversity of bacteria
Unit:
%
Datagroup:
Diversity measure
Keywords:
diversity
Values:
0.129032258
0
0.032258065
0.096774194
0.12903226
Contributors:
No information available

Dataset column

Name:
NitPot
Definition:
potential nitrification
Unit:
mg N-NO3 . g-1 dry soil . h-1
Datagroup:
Soil variable
Keywords:
nitrification
Values:
0.003
0
0.0097
0.01
0.004
Contributors:
No information available

Dataset column

Name:
NtotCW
Definition:
water soluble nitrogen (cold water nitrogen)
Unit:
µg.g-1
Datagroup:
Soil variable
Keywords:
N
Values:
100.3137391
100.8679355
10.22288127
10.17551049
10.08322746
Contributors:
No information available

Dataset column

Name:
NtotHW
Definition:
hot water nitrogen
Unit:
µg.g-1
Datagroup:
Soil variable
Keywords:
N
Values:
101.6964246
1004.241814
1015.86289
1030.826506
1016.028906
Contributors:
No information available

Dataset column

Name:
CCW
Definition:
water soluble carbon (cold water carbon)
Unit:
mg.g-1
Datagroup:
Soil variable
Keywords:
C
Values:
0.047913339
0.050482852
0.050736317
0.046344758
0.037542916
Contributors:
No information available

Dataset column

Name:
Clabile
Definition:
hot water carbon (labile carbon)
Unit:
mg.g-1
Datagroup:
Soil variable
Keywords:
C
Values:
0.071673193
0.065257288
0.069676109
0.067519415
0.05777791
Contributors:
No information available

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Monique
Carnol

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2 Datasets

Involved in:
1 Projects

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