Roos, K. & Beck, E. (2012): <b>Growth dynamics of bracken and Setaria on abandoned pasture before and after burn or cut.</b> <i>Available online (http://www.tropicalmountainforest.org/data_pre.do?citid=1178) from DFG-FOR816dw.</i>
Resource Description
Title:
Growth dynamics of bracken and Setaria on abandoned pasture before and after burn or cut
email:
biene.tomate <at> gmx.net
Faculty of Biology, Chemistry and Geoscience
Department of Plant Physiology
Universitätsstr. 30
95440 Bayreuth
Germany
Individual:
Erwin Beck
Contact:
email:
erwin.beck <at> uni-bayreuth.de
Universitätsstr. 30
Faculty of Biology, Chemistry and Geoscience
University of Bayreuth
95440 Bayreuth
Germany
Associated Person(s):
Individual:
Guido Alvarez
Abstract:
Monthly measurements of bracken and Setaria sphacelata cover and leaf height before and after burning or mowing, respectively, on 1m2 plots. Additionally, reference plots without treatment were included in the dataset. Three vegetation types were observed at an abandoned pasture site: pure bracken stands (A), pure Setaria stands (S), and mixed stands of both (M). Burning (first burn of the experimental fire area) were applied at 2008-9-25 and mowing was realized between 2008-10-3 and 2008-10-7.<br/>
Additional Infos:
Vegetation dynamics table: The calculated vegetation heights of Setaria sphacelata and bracken consists of averaged single measurements of the largest leaf of each present grass tussock (from soil surface to leaf tip) and the standing height of each present bracken leaf, respectively.<br/>
LAI table: LAI measurements were allways taken with the 90° view cap because of the small plot size, 4 points per plot (2 from the left and 2 from the right slope paralell plot border) with 2 above and below measurements each, sensor direction was allways looking from the border into the plot. The given attributes were calculated using the FV2000 Software version 1.11 from LICOR. The 5th sensor ring was excluded before the calculations because the plots were located at steep slopes.
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
naming by the members of the research group
Description
:
naming by the members of the research group
datetime
--
Date and Time
not mapped
The date and time
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
Date daily (YYYY-MM-DD)
Description
:
Date daily (YYYY-MM-DD)
Land_use
--
land use
no unit
Land use
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
Description of the land use type
Description
:
The land use type were classified due to vegetation characteristics and information given by local farmers.
PlotArea
--
Area of the plot
Square meter
Area of the plot
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
Plot size
Description
:
measured size of the analyzed plot
Species
--
Species name
no unit
Species name of an organism
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
Identification by comparison with type specimens, identified museum specimens or photos thereof, or by external experts.
Description
:
Identification by comparison with type specimens, identified museum specimens or photos thereof, or by external experts.
PlotTreat
--
Treatment of the plot
no unit
Treatment of the plot with respect to experiments
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
PlotTreat
Description
:
burning or mowing applied to the plot
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
---
Title
:
Assigned by researcher.
Description
:
Assigned by researcher.
LAI
--
leaf area index
Square meter per square meter
The leaf area index in square meter per square meter.
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
Measuring leaf area index with LAI-2000
Description
:
Measuring leaf area index with LAI-2000
Instrumentation:
Instrument:
Description: gap fraction-based, handelheld device for the indirect measurement of leaf area index (LAI)
|
Instrument: LAI-2000
|
Vendor: Li-Cor
|
SEL
--
Standard Error of LAI
Square meter per square meter
Standard error of LAI
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
calculation with FV2000 Software
Description
:
Modification of different plant characteristics measured with LAI-2000 using the software FV2000 version 1.11 from LICOR
Instrumentation:
Instrument:
Description: gap fraction-based, handelheld device for the indirect measurement of leaf area index (LAI)
|
Instrument: LAI-2000
|
Vendor: Li-Cor
|
DIFN
--
Diffuse non-interceptance
Ratio
Diffuse non-interceptance: a value that indicates the fraction of sky that is not blocked by foliage. The values range from 0 (no sky visible to the sensor) to 1 (no foliage visible to the sensor).
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
calculation with FV2000 Software
Description
:
Modification of different plant characteristics measured with LAI-2000 using the software FV2000 version 1.11 from LICOR
Instrumentation:
Instrument:
Description: gap fraction-based, handelheld device for the indirect measurement of leaf area index (LAI)
|
Instrument: LAI-2000
|
Vendor: Li-Cor
|
cls_MTA
--
Mean tip angle based on the distribution
Degree
Mean tip angle based on the distribution: MTA is calculated
using the alternative contrained last squares method (for more accurate MTA). If all the foliage is horizontal, then the MTA = 0°; if all is vertical, MTA = 90°.
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
calculation with FV2000 Software
Description
:
Modification of different plant characteristics measured with LAI-2000 using the software FV2000 version 1.11 from LICOR
Instrumentation:
Instrument:
Description: gap fraction-based, handelheld device for the indirect measurement of leaf area index (LAI)
|
Instrument: LAI-2000
|
Vendor: Li-Cor
|
--------
1
. other entity --------
Entity name:
Sketch of the fire experiment
Entity Description:
Tech. Details ...
Physical Structure Description:
Object Name:
plotmapfireexperiment.eps
Size (byte):
7612437
External Format:
eps
Object Name:
legend.jpg
Size (byte):
518217
External Format:
JPEG - image file
Object Name:
plotmapfireexperiment.jpg
Size (byte):
545174
External Format:
JPEG - image file
Attribute(s) ...
Attribute Name -- Attribute Label
Unit
Attribute definition
PlotArea
--
Area of the plot
Square meter
Area of the plot
Method
(Sampling/processing description of the values of
this attribute by one ore more steps.)
--- Step
1
---
Title
:
Plot size
Description
:
measured size of the analyzed plot
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
---
Title
:
Assigned by researcher.
Description
:
Assigned by researcher.
Metadata Provider:
Individual:
Kristin Roos
Contact:
email:
biene.tomate <at> gmx.net
Faculty of Biology, Chemistry and Geoscience
Department of Plant Physiology
Universitätsstr. 30
95440 Bayreuth
Germany
Contact Person:
Individual:
Kristin Roos
Contact:
email:
biene.tomate <at> gmx.net
Faculty of Biology, Chemistry and Geoscience
Department of Plant Physiology
Universitätsstr. 30
95440 Bayreuth
Germany
