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Platform data

Overview

Detailed view

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.

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.

Tree species inventories of the three Cajanuma Respect plots.
All individual stems are listed with their identity and dbh (first inventory in 2018).

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).

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 upper montane forests of the Podocarpus National Park (Cajanuma entrance).

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.

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.

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.

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.

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.

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!)