DOI: 10.5281/zenodo.16005735
title: Danum Valley 50-Ha Plot Soil Nutrient Data

description: Description

SummaryThis dataset contains the concentration of soil nutrients and soil pH sampled within the ForestGeo 50-Ha Plot established within the Danum Valley Conservation Area (DVCA) between 2016 and 2018. Specific details regarding the sampling design, soil collection procedures, and soil analysis can be derived from the document titled "danum_soil_sampling_and_analysis_methods.docx" attached below. Data AccessFor data access purposes, please contact Professor David Burslem at d.burslem@abdn.ac.uk.

Funding

These data were collected as part of research funded by:



UK Natural Environment Research Council (Standard Grant , NE/M004848/1 )


 

This dataset is released under the CC-BY 4.0 licence, requiring that you cite the dataset in any outputs, but has the additional condition that you acknowledge the contribution of these funders in any outputs.

Permits

These data were collected under permit from the following authorities:



Sabah Biodiversity Council ( Research licence JKM/MBS.1000-2/3 JLD.2(111))


 

Files

This dataset consists of 2 files: 50-ha_soil_data.xlsx, danum_soil_sampling_and_analysis_methods.docx

50-ha_soil_data.xlsx

This file contains dataset metadata and 1 data tables:

Danum 50-Ha Plot Soil Nutrient Data



Worksheet: 50-ha_soil_data

Description: This dataset contains the concentration of soil nutrients and soil pH sampled within the ForestGeo 50-Ha Plot established within the Danum Valley Conservation Area (DVCA)

Number of fields: 46

Number of data rows: 300



sample_ID: Soil sampling locations/ID (type: location)

point_type: Type of sampling points used. Please refer to method document for more information (type: comments)

original_GX: Intended distance from South East corner (UTM Easting: 588315.84, UTM Northing: 547368.67; UTM Zone: 50N) of the 50-Ha plot along the Easting direction. (type: numeric)

original_GY: Intended distance from South East corner (UTM Easting: 588315.84, UTM Northing: 547368.67; UTM Zone: 50N) of the 50-Ha plot along the Northing direction. (type: numeric)

actual_GX: Actual distance from South East corner (UTM Easting: 588315.84, UTM Northing: 547368.67; UTM Zone: 50N) of the 50-Ha plot along the Easting direction. (type: numeric)

actual_GY: Actual distance from South East corner (UTM Easting: 588315.84, UTM Northing: 547368.67; UTM Zone: 50N) of the 50-Ha plot along the Northing direction. (type: numeric)

soil_pH_water: Soil pH was measured using a glass electrode in a 1:2 soil:solution ratio in water (Soil pH Water) (type: numeric)

soil_pH_CaCl2: Soil pH was measured using a glass electrode in 0.01 M CaCl2 (Soil pH CaCl2) (type: numeric)

soil_pH_BaCl2: Soil pH was measured using a glass electrode in 0.1 M BaCl2 (Soil pH BaCl2) (type: numeric)

Al_mg_kg: Exchangeable concentrations of aluminium (type: numeric)

Ca_mg_kg: Exchangeable concentrations of calcium (type: numeric)

Fe_mg_kg: Exchangeable concentrations of iron (type: numeric)

K_mg_kg: Exchangeable concentrations of potassium (type: numeric)

Mg_mg_kg: Exchangeable concentrations of magnesium (type: numeric)

Mn_mg_kg: Exchangeable concentrations of manganese (type: numeric)

Na_mg_kg: Exchangeable concentrations of sodium (type: numeric)

Al_cmolc_kg: Exchangeable concentrations of aluminium (type: numeric)

Ca_cmolc_kg: Exchangeable concentrations of calcium (type: numeric)

Fe_cmolc_kg: Exchangeable concentrations of iron (type: numeric)

K_cmolc_kg: Exchangeable concentrations of potassium (type: numeric)

Mg_cmolc_kg: Exchangeable concentrations of magnesium (type: numeric)

Mn_cmolc_kg: Exchangeable concentrations of manganese (type: numeric)

Na_cmolc_kg: Exchangeable concentrations of sodium (type: numeric)

TEB: Total exchangeable bases (TEB) (type: numeric)

ECEC: Effective cation exchange capacity (ECEC) was determined by summing the charge equivalents of Al, Ca, Fe, K, Mg, Mn and Na (type: numeric)

BS: Base saturation (%) (type: numeric)

Al_sat: Al saturation (%) (type: numeric)

Ca_Mg: The ratio of the charge equivalents of Ca and Mg (type: numeric)

RB_PO4: Concentration of phosphate (type: numeric)

RB_NH4: Concentration of ammonium (type: numeric)

RB_NO3: Concentration of nitrate (type: numeric)

RB_TIN: Total inorganic nitrogen (TIN) (type: numeric)

Mehlich_Al: Concentration of aluminium (type: numeric)

Mehlich_B: Concentration of boron (type: numeric)

Mehlich_Ca: Concentration of calcium (type: numeric)

Mehlich_Co: Concentration of cobalt (type: numeric)

Mehlich_Cr: Concentration of chromium (type: numeric)

Mehlich_Cu: Concentration of copper (type: numeric)

Mehlich_Fe: Concentration of iron (type: numeric)

Mehlich_K: Concentration of potassium (type: numeric)

Mehlich_Mg: Concentration of magnesium (type: numeric)

Mehlich_Mn: Concentration of manganese (type: numeric)

Mehlich_Ni: Concentration of nickel (type: numeric)

Mehlich_P: Concentration of phosphorus (type: numeric)

Mehlich_Zn: Concentration of zinc (type: numeric)

Mehlich_Ca_Mg: The ratio of the Mehlich-extracted concentrations of Ca and Mg (type: numeric)



danum_soil_sampling_and_analysis_methods.docx

A word document containing specific details regarding the sampling design, soil collection procedures, and soil analysis used for this study.

Extents



Date range: 2016-10-01 to 2018-10-01

Latitudinal extent: 4.95° to 4.97°

Longitudinal extent: 117.7° to 117.8°