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Platform data

Overview

Detailed view

see also complementary dataset:
Kübler, D.; Cabrera, O.; Munoz, J.; Hildebrandt, P.; Weber, M.; Stimm, B.; Mosandl, R. & Günter, S. (2012): Inventory of trees in the natural forest management experiment. Available online (http://www.tropicalmountainforest.org/data_pre.do?citid=1159) from DFG-FOR816dw.

Weekly time series of precipitation data from the San Francisco area at 2000 m a.s.l. at the measuring station FN2 located at the intersection of Camino Canal and Camino Zig-Zag. Precipitation was measured with 5 Hellmann-type pluviometers. The resulting weekly replicates of precipitation were volume-weighted and bulked to one sample per collecting interval. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory at the ECSF.

Aggregated values from 1998 are incomplete (March to December).

Due to technical problems the former weather station ECSF (established 1998) was shut down in 2010. At the same time a new weather station called "Climate Station ECSF established 2010" was installed 3m beside the former ECSF weather station on the same measuring plot.

The data are quality checked by a standardised method.

Climate Parameter Quality Check for site ECSF
Checking modules:

1. Does a value exist?
Quality flag is set to
"d = missing"

2. Checking of site specific threshold value.
If the value is not inbetween the thresholds the quality flag is set to "c = out of range":
Windspeed max = 25
Global Radiation max = 1400
Air temperature in 2m max = 30
Air temperature in 2m min = 5
Air humidity max = 99.9
Air humidity min = 10

3. Checking the plausibility of air temperature and air humidity within the measurement intervals by comparing the previous and current values.
If the temperature amplitude is higher then 10°C and humidity amplitude is higher than 30% the plausibility of this variation is checked by comparing to the variation of the other parameter.
The quality flag is set to "e = variation implausible".

4. Precipitation check
If precipitation is more than 25 mm then quality flag is set to "c = out of range"
If precipitation is more than 15 mm and air temperature increases more than 0.2 °C inbetween a temporal interval then quality flag is set to "e = variation impossible".

5. Relative air humidity values are corrected by a standarized method and quality flag is set to "m = manually corrected".

6. Wind direction is not quality checked and flag is set to "nqc = not quality checked"

All other values are set to "a = valid".

Orthomosaic containing Georeferenced RGB Imagery from ECSF forest aquired with a low flying UAV.

Monthly measurement of soil temperature and soil gas fluxes (CO2, N2O) in the NUMEX plots in Bombuscaro, ECSF und Cajanuma

Monthly measurements of gas fluxes were performed using static vented chambers.
Soil temperature was taken simultaneously with gas measurements.

Ongoing data collected from ECSF Thies climate station.

Raw data, initial visual control only. Use data with great care, errors might be included.

Orthomosaic containing Georeferenced RGB Imagery from ECSF Pasture aquired with a low flying UAV.

Weekly time series of precipitation data from the ECSF area at the measuring station FN2 located at the intersection of Camino Canal and Camino Zig-Zag. Precipitation was measured with 5 Hellmann-type pluviometers. The resulting weekly replicates of precipitation were volume-weighted and bulked to one sample per collecting interval. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory at the ECSF.

Soil texture were sampled in the young landslide in front of the station, on the other side of the San Francisco river. Soil samples were analysed in the laboratory of the University of Bayreuth.

The table is a  list of arbuscular mycorrhizal fungi with their host plants. The sequences are deposited in the NCBI GenBank.

"Orthomosaic containing Georeferenced Band Values from Laipuna pasture acquired with a low flying UAV."

Ongoing data collected from the Cajanuma tower station at 2888 masl.

Raw data, initial visual control only. Use data with great care, errors might be included.

Operational taxonomic units (OTUs) of arbuscular mycorrhizal fungi (AMF) detected in roots sampled at the 2000m NUMEX sites in October 2010.

AMF root colonization of roots extracted from the upper soil layer (5cm) at all NUMEX plots. Roots are stained with Trypan Blue, AMF root colonization is examined by the line-intersect method.

Position of trees in the natural forest experiment was calculated using trigonometric measurements from 2004 and 2009. Precision is estimated to be between 0-10m.

Weekly time series of measured concentrations of Al, Mn, Zn, Cl, PO4-P, Total P, NH4-N, NO3-N, Total N, S, K, Na, Mg, Ca and Total organic C in throughfall in the ECSF area in the microcatchment Q2 (transects Q2.1, Q2.2 and Q2.3). The weekly time series extends between March 1998 and May 2013. Throughfall was sampled with 20 Hellmann-type collectors per transect. Replicates were collected, volume-weighted and bulked to one sample per transect and collecting interval. Samples were immediately filtered (4-7 µm) in the laboratory of the ECSF and stored at -20 °C until transport in frozen state to Germany or to Switzerland for concentration measurements.