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Platform data

Overview

Detailed view

This dataset contains fruit functional traits of fleshy-fruited species at three different altitudes (1000, 2000, 3000 masl)

Data in progress until the end of 2020.
Final data will be available in 2021.

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).

The AMF sequences were divided into OTUs based on 99% sequence similarity. It revealed that AMF species compositions at 1000 and 2000 masl differ from 3000 and 4000 masl. Lower elevations (1000 and 2000 masl) were dominated by members of Glomeraceae, whereas Acaulosporaceae were more abundant in higher elevations (3000 and 4000 masl).

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 mineral 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.

Based on Cajanuma Thies station 1998 - Feb. 2013 

Gap filled and quality check Feb 2013 until Dec 2017 UTPL station Finca Jipiro Alto relatively close by.
Remaining gaps are filled with various stations, mostly Thies station "El Tiro"

Methods: Regression from overlapping periods

Restriction for rainfall since 2013 ! No dry days at the station, otherwise too low rainfall totals 
(thus, do not use this parameter for climate change analyses regarding changes of dry days!)

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

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

The dataset includes physical properties of the mineral soils on forest and pasture core plots in Cajanuma during sampling campaigns in 2018 and 2019. Three soil profiles were established on each core plot. Respresentative samples were taken from each horizon, dried and transported to Germany for laboratory analyses. Bulk density was measured in the topsoil with undisturbed soil cores. Soil texture was measured with a combined sieving and pipetting method after oxidation of organic matter and chemical dispersion of aggregates.

Abundance of ant species were collected during the wet and the dry season 2014 on the core plots and intermediate elevation levels (1000, 1500, 2000, 2500, 3000) on disturbed and undisturbed forest plots.

Analyses if morphological and physiological attributes of seedlings from the two most common species in NUMEX experiment at the three elevations. Changes in this attributes are altered by nutrient availability in this case fertilization might showed specific limitation for N or P.

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.