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Shortname:
FOR891_sp05e nitrogen
Name:
SP05e Effects of environmental conditions and biodiversity on litter decomposition and nutrient cycling in subtropical forests in China
Description:
In the first phase of BEF-China, Subproject 5 has quantified key pools and fluxes of the nitrogen cycle and in close cooperation with the Chinese counterparts also those of the carbon cycle. These measurements were done in the Comparative Study Plots of the Nature Reserve in Gutianshan. In addition, subproject 5 has worked in the Pilot Experiment on belowground spatio-temporal-chemical resource complementarity of nitrogen. In the second phase of the Research Unit, subproject 5 will focus on litter decomposition as a key process in nutrient cycling. Several lines of experimentation will yield insights on controlling factors of litter decomposition, including abiotic and biotic components of the ecosystem. Adopting the “ecoscapes” approach, we will quantify the effects of topography and micro-relief on decomposition dynamics. Subproject 5 will take the lead to establish NILEx, the New Integrated Litter decomposition Experiment that combines the quantification of diversity effects on decomposition processes, nutrient uptake and microbial use, and soil erosion.
Created at:
2011-03-16
Updated at:
2019-12-17

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4 trogisch medium

Stefan
Trogisch

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PhD student

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14 Datasets

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3 Projects

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Michael
Scherer-Lorenzen

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Principle investigator

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39 Datasets

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Pascal
Niklaus

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2nd Principle investigator

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Andy
Hector

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2nd Principle investigator

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Katrin
Leppert (ehem. Seidelmann)

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PhD student

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Benjamin
Plaga

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David
Forrester

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Zequn
Yu

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Josephine
Haase

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Kathrin
Käppeler

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CSPs: Gaseous concentration of nitrogen dioxide (NO2) and ammonia (NH3) for estimating dry deposition of nitrogen in the GNNR

Abstract:
Gaseous concentration of nitrogen dioxide (NO2) and ammonia (NH3) was measured in Gutianshan for a period of 12 months (November 2008 - October 2009) for estimating dry deposition of nitrogen. Passive sampling tubes (www.passam.ch) were used to qu...

Id: 529
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2016-09-29
Updated at: 2017-01-26

CSPs: Leaf litter decomposition in CSPs: decomposition rates (k-values)

Abstract:
This data set set belongs to the SP5 litter decomposition experiment that was structured in three parts. First we determined single-species litter decomposition constants of 26 woody species, second litter decomposition of Schima superba was asses...

Id: 346
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2013-06-06
Updated at: 2016-03-03

CSPs: Leaf litter decomposition in CSPs: remaining litter mass, carbon and nitrogen concentration during decomposition

Abstract:
This data set set belongs to the SP5 litter decomposition experiment that was structured in three parts. First we determined single-species litter decomposition constants of 26 woody species, second litter decomposition of Schima superba was asses...

Id: 345
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2013-06-06
Updated at: 2016-03-03

CSPs: Litterfall production data from 2009 to 2014

Abstract:
Litterfall is the linkage between aboveground and belowground, playing an important role in forest ecosystem. Here, we set up 5 litterfall traps in 27 CSPs, which were built up by a factorial gradient of secondary succession that resulted from hu...

Id: 494
Users: 1
Projects: 1
Datafiles: 0
Attachments: 0
Created at: 2016-03-16
Updated at: 2016-03-17

CSPs: Litter layer thickness, mass and C and N pools at the forest floor

Abstract:
Thickness and mass of the standing leaf litter layer was measured in all CSPs in spring 2009, summer 2009, autumn 2009 and winter 2010. This piece of work will contribute to calculate total carbon and nitrogen pool sizes of the broad-leaved fore...

Id: 191
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2012-02-29
Updated at: 2016-03-03

CSPs: N determination: soluble and extractable ammonium and nitrate (mineral nitrogen) in the CSPs (2008-2010)

Abstract:
The concentration of plant available soil nitrogen (nitrate and ammonium) was measured in the CSPs to quantify and qualify changes in the course of secondary forest succession. Soil mineral N was determined in five to six soil layers in four ...

Id: 233
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2012-11-30
Updated at: 2016-03-03

CSPs: Root Carbon (C) and Nitrogen (N) Concentration of 124 tree and shrub species

Abstract:
We measured the concentration of C and N in fine roots of 124 tree and shrub species in the CSPs. This work contributes three addtional traits to the plant trait database: Root N concentration, root C concentration and C/N ratio and will deliver d...

Id: 192
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2012-02-29
Updated at: 2016-03-03

CSPs: Soil Gravimetric Water Content (mineral soil)

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.

Id: 190
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2012-02-29
Updated at: 2016-03-03

CSPs: Tree C N measurements: additional target trees in 2008

Abstract:
Additional target trees were used in the CSPs to complete the species specimen needed for analysing C and N usage by trees.

Id: 169
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2012-01-17
Updated at: 2016-03-03

CSPs: Tree species Carbon (C) and Nitrogen (N) Concentration (Root, Stem, Twig, Leaf) of 8 target species in the CSPs

Abstract:
Leaf, twig, stem and root samples were taken from eight “target” species (four trees, two deciduous: Castanea henryi, Quercus serrata and two evergreen: Castanopsis eyrei, Schima superba; four shrubs, one deciduous: Rhododendron simsii and three e...

Id: 202
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2012-03-05
Updated at: 2016-03-03

Data for Schuldt et al. "Biodiversity across trophic levels drives multifunctionality in highly diverse forests"

Abstract:
Human-induced biodiversity change may impair ecosystem functions crucial to human well-being. However, the consequences of this change for ecosystem multifunctionality are poorly understood beyond effects of plant species loss, particularly in reg...

Id: 599
Users: 10
Projects: 9
Datafiles: 1
Attachments: 0
Created at: 2018-04-23
Updated at: 2018-04-23

Decomposcape (general): plot topography data, Main Experiment, Site A

Abstract:
For the “decomposcape” approach, a total of 4131 litter bags were filled with single-species litter of Osmanthus fragrans, Pinus massoniana and Schima superba, respectively. These bags have been fixed on the soil surface across both field sites. T...

Id: 445
Users: 3
Projects: 1
Datafiles: 3
Attachments: 0
Created at: 2013-10-25
Updated at: 2017-01-09

Decomposcape (general): plot topography data, Main Experiment, Site B

Abstract:
For the “decomposcape” approach, a total of 4131 litter bags were filled with single-species litter of Osmanthus fragrans, Pinus massoniana and Schima superba, respectively. These bags have been fixed on the soil surface across both field sites. T...

Id: 446
Users: 3
Projects: 1
Datafiles: 3
Attachments: 0
Created at: 2013-10-25
Updated at: 2017-01-09

Decomposcape (general): soil moisture data, Main experiment, Site A

Abstract:
For the “decomposcape” approach, a total of 4131 litter bags were filled with single-species litter of Osmanthus fragrans, Pinus massoniana and Schima superba, respectively. These bags have been fixed on the soil surface across both field sites. T...

Id: 443
Users: 3
Projects: 1
Datafiles: 2
Attachments: 0
Created at: 2013-10-24
Updated at: 2017-01-09

Decomposcape (general): soil moisture data, Main Experiment, Site B

Abstract:
For the “decomposcape” approach, a total of 4131 litter bags were filled with single-species litter of Osmanthus fragrans, Pinus massoniana and Schima superba, respectively. These bags have been fixed on the soil surface across both field sites. T...

Id: 444
Users: 3
Projects: 1
Datafiles: 2
Attachments: 0
Created at: 2013-10-24
Updated at: 2017-01-09

Decomposcape (general): tree height data, Main Experiment, Site A

Abstract:
For the “decomposcape” approach, a total of 4131 litter bags were filled with single-species litter of Osmanthus fragrans, Pinus massoniana and Schima superba, respectively. These bags have been fixed on the soil surface across both field sites. T...

Id: 448
Users: 3
Projects: 1
Datafiles: 0
Attachments: 0
Created at: 2013-10-25
Updated at: 2017-01-09

Decomposcape (general): tree height data, Main Experiment, Site B

Abstract:
For the “decomposcape” approach, a total of 4131 litter bags were filled with single-species litter of Osmanthus fragrans, Pinus massoniana and Schima superba, respectively. These bags have been fixed on the soil surface across both field sites. T...

Id: 447
Users: 3
Projects: 1
Datafiles: 0
Attachments: 0
Created at: 2013-10-25
Updated at: 2017-01-09

Decomposcape (leaf): remaining litter mass for all timesteps, Main Experiment, Site A

Abstract:
For the “decomposcape” approach, a total of 4131 litter bags were filled with single-species litter of Osmanthus fragrans, Pinus massoniana and Schima superba, respectively. These bags have been fixed on the soil surface across both field sites. T...

Id: 386
Users: 3
Projects: 1
Datafiles: 2
Attachments: 0
Created at: 2013-09-20
Updated at: 2017-01-09

Decomposcape (leaf): remaining litter mass for all timesteps, Main Experiment, Site B

Abstract:
For the “decomposcape” approach, a total of 4131 litter bags were filled with single-species litter of Osmanthus fragrans, Pinus massoniana and Schima superba, respectively. These bags have been fixed on the soil surface across both field sites. T...

Id: 389
Users: 3
Projects: 1
Datafiles: 2
Attachments: 0
Created at: 2013-09-20
Updated at: 2017-01-09

Main Experiment: Ammonium concentrations and ammonification rates in soils (Site A, Ext. A, B and E plots)

Abstract:
Soil sampling was carried out on a subset of 100 plots of two overlapping extinction scenarios on Site A (Extinction scenario A and B). The sampüles were collected from young forest communities composed of 1 - 24 species (see general plot informat...

Id: 532
Users: 4
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2016-10-07
Updated at: 2017-01-26

Main Experiment: Climate Data from Vips (2011 - 2014)

Abstract:
This dataset represents the accumulated climate data from HOBO loggers in the VIP plots on Site A and Site B. These sensors were brought out there in the framework of the Decomposcape Experiment that aims at determining the effect of local climate...

Id: 559
Users: 7
Projects: 4
Datafiles: 1
Attachments: 2
Created at: 2017-01-09
Updated at: 2017-01-20

Main Experiment: Gaseous concentration of nitrogen dioxide (NO2) and ammonia (NH3) in Xingangshan (Site A ) for estimating nitrogen dry deposition

Abstract:
Gaseous concentration of nitrogen dioxide (NO2) and ammonia (NH3) was measured at Site A of the Main Experiment for a period of 55 months (May 2010 - November 2014) for estimating dry deposition of nitrogen. Passive sampling tubes (www.passam.ch) ...

Id: 530
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2016-09-29
Updated at: 2016-09-29

Main Experiment: Litter nutrient concentrations from littertraps (SiteA)

Abstract:
Litter production and subsequent decomposition are key processes in C and nutrient cycling of forest ecosystems: the physical and chemical breakdown of organic matter during decom-position releases both CO2 and nutrients, the latter being again av...

Id: 531
Users: 5
Projects: 2
Datafiles: 4
Attachments: 0
Created at: 2016-10-07
Updated at: 2017-03-31

Main Experiment: Site A (VIPS) Chlorophyl & C/N content, SLA of leaves and biomass estimations

Abstract:
Master-thesis: “Influence of diversity on N-distribution in canopy’s from subtropical trees in China”

Id: 575
Users: 3
Projects: 1
Datafiles: 2
Attachments: 0
Created at: 2017-03-23
Updated at: 2017-03-27

Main Experiment: Soil nitrate content (Site A, Ext. A, B and E plots)

Abstract:
Soil sampling was carried out on a subset of 100 plots of two overlapping extinction scenarios on Site A (Extinction scenario A and B). The samples were collected from young forest communities composed of 1 - 24 species (see general plot informati...

Id: 585
Users: 4
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2017-04-10
Updated at: 2017-04-10

Main Experiment: Soil P fractions (Hedley), soil pH, soil C and N content (Site A, Ext. A, B and E plots)

Abstract:
Soil sampling was carried out on a subset of 100 plots of two overlapping extinction scenarios on Site A (Extinction scenario A and B). The samples were collected from young forest communities composed of 1 - 24 species (see general plot informati...

Id: 586
Users: 4
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2017-04-10
Updated at: 2017-04-10

NILEx (general): experiment design introduction by Katrin Seidelmann

Abstract:
Experiment design of NILEx, an introduction by Katrin Seidelmann

Id: 374
Users: 3
Projects: 2
Datafiles: 0
Attachments: 1
Created at: 2013-08-22
Updated at: 2017-01-09

NILEx tracer (general): reference names for plots

Abstract:
This dataset provides information about the Tracer NILEx plot ID for all three subexperiments (litter, wood and root decomposition) and their location within the experimental site

Id: 312
Users: 3
Projects: 2
Datafiles: 1
Attachments: 0
Created at: 2013-02-21
Updated at: 2017-01-09

NILEx tracer (leaf): decomposition rates of leaves and plot topography data

Abstract:
Leaf decomposition plays an important role in ecosystem biogeochemistry. Nutrients are released from decomposing litter by leaching of soluble substances and the break-down by animals, microbes and fungi, and will thus become again available for u...

Id: 381
Users: 3
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2013-09-19
Updated at: 2017-01-09

NILEx tracer (leaf): dry weight of leaves, leaf decomposition

Abstract:
Leaf decomposition plays an important role in ecosystem biogeochemistry. Nutrients are released from decomposing litter by leaching of soluble substances and the break-down by animals, microbes and fungi, and will thus become again available for u...

Id: 298
Users: 3
Projects: 1
Datafiles: 2
Attachments: 0
Created at: 2013-02-21
Updated at: 2017-01-09

NILEx tracer (leaf): remaining litter mass and tracer 15N and Li concentrations/contents in leaf litter

Abstract:
Leaf decomposition plays an important role in ecosystem biogeochemistry. Nutrients are released from decomposing litter by leaching of soluble substances and the break-down by animals, microbes and fungi, and will thus become again available for u...

Id: 534
Users: 3
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2016-10-11
Updated at: 2017-01-09

NILEx unlabelled (leaf): CN ratio of leaves

Abstract:
CN ratio of leaves, unlabelled Nilex

Id: 277
Users: 1
Projects: 2
Datafiles: 0
Attachments: 0
Created at: 2013-02-21
Updated at: 2017-01-09

NILEx unlabelled (leaf): dry weight of leaf litter from runoff plots

Abstract:
This dataset provides information about the remaining litter mass fom all Unlabelled NILEx ROPs at the end of the experiment

Id: 278
Users: 3
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2013-02-21
Updated at: 2017-01-09

NILEx unlabelled (leaf): element ICP analysis data of leaves

Abstract:
Element ICP analysis data of leaves, unlabelled Nilex

Id: 280
Users: 3
Projects: 1
Datafiles: 0
Attachments: 0
Created at: 2013-02-21
Updated at: 2017-01-09

NILEx unlabelled (leaf): total dry weight of leaves, leaf decomposition

Abstract:
This dataset provides information about the remaining leaf litter mass of the Unlabelled NILEx litter decomposition plots.

Id: 449
Users: 3
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2013-10-25
Updated at: 2017-01-09

Pilot experiment: sapling biomass of 4 tree species in 2009-2010

Abstract:
In order to develop species-specific allometric equations , the biomass of four species (species pool 1) used by SP5 were measured in parallel with our 15N labelling campaigns (summer and autum 2009, winter and spring 2010). The allometric equati...

Id: 188
Users: 2
Projects: 1
Datafiles: 2
Attachments: 0
Created at: 2012-02-29
Updated at: 2015-02-04

Pilot Experiment: Soil Carbon (C) and Nitrogen (N) Concentration in the Pilot Experiment, Xingangshan

Abstract:
Soil samples were taken from two soil layers in the Pilotexperiment for C and N analysis in Winter 2010 . This work aimed to get a general idea about the C and N concentrations and the uniformity among the four different blocks of the Pilot Experi...

Id: 189
Users: 2
Projects: 1
Datafiles: 1
Attachments: 0
Created at: 2012-02-29
Updated at: 2016-03-03
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Impact of species diversity, stand age and environmental factors on leaf litter decomposition in subtropical forests in China

Abstract:
Tree diversity is considered to influence decomposition either by changing environmental conditions or by non-additive litter mixture effects. Thus, we examined the influence of tree species richness, forest age and environmental factors on single...

Id: 164
Users: 14
Datafiles: 7
Attachments: 0
Board: Prep
State: Accepted
Created at: 2016-01-08
Updated at: 2016-01-08

Spatio-temporal water uptake patterns of tree saplings are not altered by interspecific interaction in the early stage of a subtropical forest

Abstract:
Complementary resource use has often been claimed to explain positive effects of plant diversity on ecosystem functioning, but the underlying mechanisms of complementarity have rarely been directly quantified in forest systems. The aim of this s...

Id: 162
Users: 4
Datafiles: 0
Attachments: 0
Board: Final
State: Accepted
Created at: 2015-11-18
Updated at: 2018-03-04

Impact of tree diversity, successional stage, and environmental factors on leaf litter decomposition in an evergreen broad-leaved forest in subtropical China.

Abstract:
Background and aims Tree diversity is considered to influence decomposition either by changing environmental conditions or by non-additive litter mixture effects. Thus, we examined the influence of tree species richness, forest age and environmen...

Id: 47
Users: 3
Datafiles: 0
Attachments: 0
Board: Prep
State: Accepted
Created at: 2012-02-09
Updated at: 2016-03-04
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