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Platform data

Overview

Detailed view

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.

Weekly time series of throughfall data (water fluxes, electrical conductivity, pH values) from the Bombuscaro site at 1000 m a.s.l. located in NUMEX Plot 12 (control). The updated weekly time series extends between March 2018 and December 2023. Throughfall was sampled with 20 Hellmann-type collectors. Replicates were collected, volume-weighted and bulked to one sample per plot and sampling period. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory at the ECSF.

Aggregated values from 2018 are incomplete (March to December).

Ongoing data collected from Bombuscaro Thies climate station.

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

Herbivory estimated as leaf area loss [cm^2] and [%] and leaf traits were generated from sun-exposed leaves of 380 tree canopies belonging to 51 tree species (7 +/- 1 tree individual per species) located within the nine 1 ha forest core plots at 1000 m (Bombuscaro), 2000 m (San Francisco), and 3000 m (Cajanuma) in the Podocarpus Nationalpark and the Reserva Biológica San Francisco in southern Ecuador between February and March in 2019.
To estimate herbivory, 20 +/- 5 leaves per tree were scanned and analyzed with the software WinFOLIA. Leaf traits were either measured conventionally with morphometrical and chemical measurement techniques or spectrally with an OceanOptics spectrometer HDX to identify the reflectance wavebands of certain molecular foliar structures.

This dataset is a joined work of the RESPECT subprojects A1 (provided spectrally estimated leaf traits), B1 (provided leaf traits derived from conventional measurement techniques), and B4 (provided herbivory data).

For the seedling transplantation experiment conducted in NUMEX plots in Bombuscaro using as a target species Pouteria torta for monitoring during one year the effects of fertilization in a common species. This data set correspond to the initial measurements of the experiment

refers to Cárate-Tandalla, D., Leuschner, C., Homeier, J. (2015). Performance of Seedlings of a Shade-Tolerant Tropical Tree Species after Moderate Addition of N and P - Frontiers in Earth Science. http://dx.doi.org/10.3389/feart.2015.00075

Orthomosaic containing georeferenced NDVI Values from Bombuscaro forest aquired with a low flying UAV.

Corrected plots from Bombuscaro, ECSF, Cajanuma, Zamora and Laipuna region as shape files.

Tree functional traits (leaf area, specific leaf area, foliar N, foliar P, leaf toughness, bark thickness, wood specific gravity, sapwood vessel density, sapwood vessel diameter, sapwood-specific conductivity) recorded in the premontane forests of the Podocarpus National Park (Bombuscaro entrance).

This dataset contains fruit phenology data from 37 fleshy-fruited species at three different altitudes (1000, 2000, 3000 masl) over 10 months (2019 & 2020).

The dataset includes chemical properties of the mineral soil associated with the PFT trees species of the core plots in Bombuscaro, San Francisco and Cajanuma. The samples were taken during sampling campaigns in 2018 and 2019. Respresentative samples were taken from the mineral soil at five locations close to each tree from 0-10 cm soil depth, bulked in the field, dried at 40 °C at the ECSF and transported to Germany for laboratory analyses. Total carbon, nitrogen and sulfur were measured by elemental analysis via thermal combustion in milled aliquots. Available P was measured in the < 2mm soil fraction after extraction by the Olsen method with 0.5 M NaHCO3 and measurement by continuous flow analysis.

Weekly time series of precipitation data (water fluxes, electrical conductivity, pH values) from the Bombuscaro site at 1000 m a.s.l. located at the climate station. The updated weekly time series extends between March 2018 and December 2023. Precipitation was sampled with 5 Hellmann-type collectors. Replicates were collected, volume-weighted and bulked to one sample per plot. Electrical conductivity and pH values were measured immediately in unfiltered aliquots in the laboratory at the ECSF.

Aggregated values from 2018 are incomplete (March to December).

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.

Attributes measured and morphological attribute analyzed in 2012  after harvesting the seedling transplantation experiment using Pouteria torta species.

refer to  Cárate-Tandalla, D., Leuschner, C., Homeier, J. (2015).Performance of Seedlings of a Shade-Tolerant Tropical Tree Species after Moderate Addition of N and P - Frontiers in Earth Science. http://dx.doi.org/10.3389/feart.2015.00075

Measurements of gas flux (CO2, CH4, N2O) in canopy soils of NUMEX plots on four dates (Sept/Nov 2011 and Jan/April 2012). Measurements were taken in 3 of the 4 NUMEX blocks at each elevation; treatments measured included C, N, NP and P.

Gas fluxes were measured by incubating intact soil cores.
Gas samples were analyzed on a gas chromatograph with a FID and ECD.
Note that the units for CO2 are mg CO2-C m-2 h-1 (not g CO2-C).