Cite as: |
Pierick, K. & Homeier, J. (2021): <b>Functional traits of tree fine roots in the San Francisco Matrix plots.</b> <i>Available online (http://www.tropicalmountainforest.org/data_pre.do?citid=1900) from DFG-FOR816dw.</i> |
Resource Description
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Associated entities to this dataset: |
Attribute Name -- Attribute Label |
Unit |
Attribute definition |
TreeID
--
ID of the tree
|
no unit |
ID of the tree |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
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Title
:
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Tree ID |
Description
:
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Tree ID |
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PlotID
--
ID of the plot
|
no unit |
ID of the plot |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
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Title
:
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Plot ID in of MATRIX plots in San Francisco |
Description
:
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Plot ID in of MATRIX plots in San Francisco |
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Tree_species
--
Tree species
|
no unit |
Tree species |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
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Title
:
|
Specifying species names |
Description
:
|
Specifying species names |
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Root_md
--
Mean root diameter
|
Millimeter |
Mean root diameter |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
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Title
:
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Root mean diameter (mm) |
Description
:
|
Root mean diameter (mm), calculated by WinRhizo |
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srl
--
Specific root length
|
Meter per gram |
Fine root length in m per g dry mass |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
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Title
:
|
Sample dry mass |
Description
:
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Samples were oven-dried and then weighed |
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rtd
--
Root tissue density
|
Cubic centimeter per gram |
Fine root volume in cm^3 per g dry mass |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
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Title
:
|
Sample dry mass |
Description
:
|
Samples were oven-dried and then weighed |
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rbi
--
Root branching intensity
|
Count per gram |
Number of root tips per g dry mass |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
|
Title
:
|
WinRhizo measurements |
Description
:
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Measurements of root lenght, diameter, volume and tips with WinRhizo |
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nroot
--
Root nitrogen concentration
|
Milligram of nitrogen per gramm |
Fine root N content in mg N per g fine root dry mass |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
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Title
:
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Measuring chemical compounds: nitrogen |
Description
:
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Measuring chemical compounds: nitrogen |
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tpi200
--
Topographic Position Index 200m
|
Unitless |
TPI with a calculation radius of 200m |
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
|
--- Step
1
---
|
Title
:
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Determination of topographic position index from DEM |
Description
:
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https://github.com/r-link/Ecuador_TPI_terrain |
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