Exploratory plot descriptors - tree data - Poland

Usage Rights

This data is Free for members.

Dataset Abstract

This dataset contains the location, size and species of the trees in each plot. After the first year all the BETPEN trees in POL30 were removed. They have been left in the file.

Spatial Extent

Poland

Taxonomic Extent

The focal tree species in Poland are Betula pendula, Carpinus betulus, Picea abies, Pinus sylvestris and Quercus robur

Data Analysis

2017-07-31: Most of the Acer trees reclassified as Acer platanoides, and the single Q. petraea record reclassified as Q. robber. These are all non-target trees in the affected plots, so none of the diversity measures are affected.
2013-04-30: Missing trees removed from file (POL10,tree 2; POL11,tree36;POL21,tree 4). DBH corrected: POL20, tree 47.
2013-05-10: added column to indicate dead trees.

Data columns available in the raw data part of this dataset

PlotID
Unique plot id
Data group: Exploratory plot id
Values
POL04
POL01
POL05
POL02
POL03
TreeNumber
Unique tree number
Data group: Tree number
Values
12
11
13
1
10
SpeciesCode
Tree species code
Data group: Tree species code
Values
CARBET
ACEPSE
BETPEN
ACEPLA
CORAVE
Species
Tree species
Data group: Tree species
Values
Corylus avellana
Carpinus betulus
Acer platanoides
Acer pseudoplatanus
Betula pendula
Focal
Is this a focal species in the region
Data group: Helper
Values
1
0
Target
Is this a target tree in the plot
Data group: Helper
Values
1
0
DBH
DBH
Unit: m
Data group: Tree size
Values
0.08
0.083
0.08199999999999999
0.085
0.075
x
x coordinate
Unit: m
Data group: Tree coordinate
Values
0.1
0.2
0.3
0
0.4
y
y coordinate
Unit: m
Data group: Tree coordinate
Values
0.1
0.4
0.2
0.5
0.3
Height
Height
Unit: m
Data group: Tree size
Values
10.2
10.4
10.1
10.3
10.0
BaseLiveCrown
Base of the live crown
Unit: m
Data group: Tree size
Values
10.0
10.1
10
0.7
1.0
DcX
Crown diameter X axis
Unit: m
Data group: Tree size
Values
1
10
12
11
0
DcY
Crown diameter Y axis
Unit: m
Data group: Tree size
Values
0
10
11
12
1
Kraft
Kraft
Data group: Tree health
Values
5
2
3
4
1
Quality
Quality
Data group: Tree health
Values
3
4
2
1
Dead
Is the tree dead?
Data group: Tree health
Values
1
0
BasalArea
The basal area of the tree (DBH/2)^2*3.142
Unit: m^2
Data group: Tree size
Values
0.005411309500000001
0.0050272
0.0044184375
0.005281701999999988
0.005675237500000001
CrownCrossSectionalArea
The cross sectional area of the crown: calculated from the average crown diameter measurement
Unit: m^2
Data group: Tree size
Values
0.7855
113.112
122.734375
0
103.882375
Observation
Observation
Data group: Helper
Values
dead,
broken but resprout
dead
bended
broken top
FieldCheckCommentary
Comments after field checking
Data group: Helper
Values
OK.
data entry mistake, tree exists in given location
dead
C. betulus in this location
It is QUEROB