Cover of understorey vegetation in biomass subplots in May-June 2012 in Poland

Usage Rights

This data is Free within projects.

FunDiv-intern

Dataset Abstract

Most of the plant diversity in European forests is found in the understorey, and despite its relatively low biomass compared to the forest overstorey, its functional importance is high (nectar source for pollinators, habitat for small mammals, affects tree regeneration, invasion resistance, decomposition and nutrient cycling (Gilliam 2007). Relationships between overstorey and understorey diversity and composition is tackled. For each of the plots per focal region, the core plot is divided in nine quadrants.For each of the plots per focal region, the core plot is divided in nine quadrants. In three quadrants (upper right, central, lower left), a vegetation subplot of 5 m x 5 m (as close as possible to the central quadrant; subplot in the central quadrant located in the upper half) is marked for identification and estimation of cover of understorey vascular plant species. Location of subplots exclude major heterogeneities at any scale of sampling (tree trunks, tracks and paths, streams and ponds, peaty pools, boulders and cliffs…). Thus, terricolous plants growing on mineral and organic soil of the undisturbed forest floor are represented. Within this subplot, understorey vegetation is identified (species, cover) and afterwards clipped in a zone of 0.5 m x 0.5 m (biomass subplot), where understorey vegetation is relatively abundant and where vegetation composition is representative for the whole subplot. Then, biomass is divided into 'woody' (woody juveniles, woody plants) and 'non-woody' (seedlings, 'green' herbs). The woody fraction is further divided into 'woody-woody' (woody part) and 'woody-leaf' ('green' part).The biomass samples are dried for 24 to 48h at 70°C . Then they are weighed and analysed for P, Ca, K, Mg, C, N (Forest & Nature Lab, Ghent University).

Dataset Design

For each of the plots per focal region, the core plot is divided in nine quadrants. In three quadrants (upper right, central, lower left), a subplot of 5 m x 5 m (as close as possible to the central quadrant; subplot in the central quadrant located in the upper half) is marked for identification and estimation of cover of understorey vascular plant species (species, cover, maximum height, development stage).
Within this subplot, understorey vegetation is identified (species, cover) and afterwards clipped in a zone of 0.5 m x 0.5 m, where understorey vegetation is relatively abundant and where vegetation composition is representative for the whole subplot. Then, biomass is divided into 'woody' (woody juveniles, woody plants) and 'non-woody' (seedlings, 'green' herbs). The woody fraction is further divided into 'woody-woody' (woody part) and 'woody-leaf' ('green' part).Preparation of biomass samples for chemical analyses: dried at 70°C, grinded using a sieve of 1mm. Before analyses of Ca, Mg, K en P-content, grinded biomass samples are 'destroyed' with HNO3/HClO4, diluted with demineralised water and filtered according to the method of Varian Instruments at work, AA-24 (McKenzie T., 1982. Automated multielement analysis of plant material by flame atomic absorption spectroscopy. Varian Instruments at work, AA-24).

Analysis for Ca-content: destruction of biomass sample with the above mentioned method. Then the sample is diluted, 10% CsCI is added as modifer on the AAS (Varian SpectrAA 220) and calibrated to 5mg Ca/l and atomized in a nitrous oxide-acetylene flame, absorption is measured at 422.7nm. The analytical quality of the analysis is verified by repeated measurement of blanco and control samples.

Analysis for K-content: destruction of biomass sample with the above mentioned method. Then the sample is diluted, 10% CsCI is added as modifer on the AAS (Varian SpectrAA 220) and calibrated to 1mg K/l and atomized in a air-acetylene flame, absorption is measured at 766.5nm. The analytical quality of the analysis is verified by repeated measurement of blanco and control samples.

Analysis for Mg-content: destruction of biomass sample with the above mentioned method. Then the sample is diluted, 10% CsCI is added as modifer on the AAS (Varian SpectrAA 220) and calibrated to 0.5mg Mg/l and atomized in a air-acetylene flame, absorption is measured at 258.2nm. The analytical quality of the analysis is verified by repeated measurement of blanco and control samples.

Analysis for P-content: destruction of biomass sample with the above mentioned method, then reaction of the destroyed biomass sample with metholsulphite, ammoniumheptamolybdate and sodiumacetate solution. Finally, measurement of the total P-content with a spectrophotometer type Varian Cary 50 at 700nm (Chemical analysis of plants and soils. Cottenie, Verloo,... Laboratory of analytical and agrochemistry, RUG).

Analyses for C,N: analysis is done using an Elementar analyzer, type Vario Macro Cube in configuration CNS, with Argon as carrier gas. Catalytic combustion of the sample (1.5g) is carried out at a permanent temperature of up to 1200°C. This is followed by reduction of the combustion gasses on hot copper in the refuction tube. The formed gasses N2, CO2, H2O, SO2 are separated via purge and trep chromatography and afterwards detected on a thermal conductivity detector (TCD). A connected PC computes the element concentration from the detector signal, and the sample weight on the basis of stored calibration curves.

Spatial Extent

Bialowieza, Poland

Temporal Extent

Spring 2011

Taxonomic Extent

understorey vegetation: woody and non-woody vascular species (herbs, seedlings) < 1.3m

Measurement Circumstances

rain showers on Friday June 1st, nice weather and quite warm on the other days

Data columns available in the raw data part of this dataset

plot number
unique number ascribed to each plot (see location in sheet 'area maps')
Data group: Exploratory plot id
Values
POL01
POL04
POL02
POL05
POL03
subplot number
Indicates which subplot within the plot is considered
Data group: Sub plot id
Values
10c
11b
10b
10a
11a
diversity
Number of target tree species present in subplot
Data group: Species richness
Keywords: diversity
Values
3
0
4
1
2
target Betula pendula
Absence/presence of Betula pendula in overstorey as target tree species; Datagroup description: Presence data
Data group: Presence data
Values
0
1
target Pinus sylvestris
Absence/presence of Pinus sylvestris in overstorey as target tree species; Datagroup description: Presence data
Data group: Presence data
Values
0
1
target Picea abies
Absence/presence of Picea abies in overstorey as target tree species; Datagroup description: Presence data
Data group: Presence data
Values
0
1
target Carpinus betulus
Absence/presence of Carpinus betulus in overstorey as target tree species; Datagroup description: Presence data
Data group: Presence data
Values
0
1
target Quercus robur
Absence/presence of Quercus robur in overstorey as target tree species; Datagroup description: Presence data
Data group: Presence data
Values
1
0
Acer platanoides
% cover by Acer platanoides
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
10
1
0
2
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Acer pseudoplatanus
% cover by Acer pseudoplatanus
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
0
2
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Adoxa moschatellina
% cover by Adoxa moschatellina
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
1
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Aegopodium podagraria
% cover by Aegopodium podagraria
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
10
0
0.1
1
2
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Ajuga reptans
% cover by Ajuga reptans
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
1
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Anemone nemorosa
% cover by Anemone nemorosa
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
15
0.1
1
10
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Anemone ranunculoides
% cover by Anemone ranunculoides
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
20
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Calamagrostis arundinacea
% cover by Calamagrostis arundinacea
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
10
0.1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Cardamine impatiens
% cover by Cardamine impatiens
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Carex digitata
% cover by Carex digitata
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
2
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Carex sylvatica
% cover by Carex sylvatica
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Carpinus betulus
% cover by Carpinus betulus
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
10
0
1
2
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Convallaria majalis
% cover by Convallaria majalis
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
2
1
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Corylus avellana
% cover by Corylus avellana
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Dentaria bulbifera
% cover by Dentaria bulbifera
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
1
7
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Dryopteris carthusiana
% cover by Dryopteris carthusiana
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
25
10
0.1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Dryopteris dilatata
% cover by Dryopteris dilatata
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
5
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Dryopteris filix-mas
% cover by Dryopteris filix-mas
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
1
30
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Equisetum sylvaticum
% cover by Equisetum sylvaticum
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Euonumus verrucosa
% cover by Euonumus verrucosa
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Festuca gigantea
% cover by Festuca gigantea
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Fragaria vesca
% cover by Fragaria vesca
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Fraxinus excelsior
% cover by Fraxinus excelsior
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Galeopsis bifida
% cover by Galeopsis bifida
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
1
5
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Galium odoratum
% cover by Galium odoratum
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
1
5
2
0.1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Geranium robertianum
% cover by Geranium robertianum
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
1
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Geum urbanum
% cover by Geum urbanum
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
5
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Glechoma hirsuta/G. Hederacaea/Lamium galeobdolon
% cover by Glechoma hirsuta/G. Hederacaea/Lamium galeobdolon
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
15
1
10
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Gymnocarpium dryopteris
% cover by Gymnocarpium dryopteris
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
2
0
4
10
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Hepatica nobilis
% cover by Hepatica nobilis
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
1
2
10
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Impatiens noli-tangere
% cover by Impatiens noli-tangere
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
2
25
1
0.1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Isopyrum thalictroides
% cover by Isopyrum thalictroides
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Lathyrus vernus
% cover by Lathyrus vernus
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
2
3
0
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Luzula pilosa
% cover by Luzula pilosa
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Maianthemum bifolium
% cover by Maianthemum bifolium
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
0
3
2
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Melica nutans
% cover by Melica nutans
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Melittis melissophyllum
% cover by Melittis melissophyllum
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
2
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Millium effusum
% cover by Millium effusum
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
3
0.1
2
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Moehringia trinervia
% cover by Moehringia trinervia
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
1
0.1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Mycelis muralis
% cover by Mycelis muralis
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
1
3
2
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Oxalis acetosella
% cover by Oxalis acetosella
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
12
10
0
1
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Picea abies
% cover by Picea abies
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Pinus sylvestris
% cover by Pinus sylvestris
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Polygonatum multiflorum
% cover by Polygonatum multiflorum
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
20
30
3
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Populus tremula
% cover by Populus tremula
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
2
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Pteridium aquilinum
% cover by Pteridium aquilinum
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
15
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Pulmonaria obscura
% cover by Pulmonaria obscura
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Ranunculus lanuginosus
% cover by Ranunculus lanuginosus
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Ranunculus ficaria
% cover by Ranunculus ficaria
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
2
0.1
15
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Rubus idaeus
% cover by Rubus idaeus
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
20
2
0.1
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Rubus saxatilis
% cover by Rubus saxatilis
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
2
5
0.1
4
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Rubus sp.
% cover by Rubus sp.
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
1
3
4
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Sanicula europaea
% cover by Sanicula europaea
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0.1
10
0
2
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Scrophularia nodosa
% cover by Scrophularia nodosa
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Sorbus aucuparia
% cover by Sorbus aucuparia
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
2
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Stachys sylvatica
% cover by Stachys sylvatica
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
2
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Stellaria holostea
% cover by Stellaria holostea
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
2
0.1
0
3
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Stellaria nemorum
% cover by Stellaria nemorum
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
1
7
3
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Tilia cordata
% cover by Tilia cordata
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Trientalis europaea
% cover by Trientalis europaea
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Urtica dioica
% cover by Urtica dioica
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
2
0
1
0.1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Vaccinium myrtillus
% cover by Vaccinium myrtillus
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
0
1
3
9
2
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Veronica officinalis
% cover by Veronica officinalis
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
1
0
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Viola reichenbachiana/riviniana
% cover by Viola reichenbachiana/riviniana
Unit: %
Data group: Species composition
Keywords: process, understorey productivity
Values
3
0.1
0
2
1
* Baeten, L., These persons could not be matched within the portal: Kris Ceunen, Sander Van Dale also contributed to this column.
Remarks
Remarks about plot/subplot
Data group: Helper
Values
litter: also dead wood
churned up by animals