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SAFARI 2000 Vegetation Cover Characteristics, Kalahari Transect, Wet Season 2000

Data Set Overview

Data setSAFARI 2000 Vegetation Cover Characteristics, Kalahari Transect, Wet Season 2000
DOI10.3334/ORNLDAAC/776
Release date2005-02-25
ProjectSAFARI 2000 (S2K)
Time Period2000-03-03

Description

Vegetation cover and composition, including species types and richness assessments, were measured at four locations along the Kalahari Transect in Botswana (Pandamatenga, Maun, Okwa River, and Tshane) during the SAFARI 2000 wet season field campaign. The sites visited showed interesting degrees of variability despite the apparent homogeneity of the Kalahari sands and predominantly semi-arid savanna shrub-woodlands vegetation cover (Ringrose et al., 2003).At each site, twelve individual locations were chosen by random stratified techniques within a 30-km radius at each location, based on differences in topography, soils, and known disturbance, to help determine local variability (Huennecke et al., 2001). Data collection methods were identical at each location (Ringrose et al., 1996; 1998): (1) identification and enumeration of all species along 3 x 90-m transects, spaced 45-m apart; (2) visual estimation (tape measure and pacing) of canopy diameter along each transect; and (3) visual estimation of percent live and dead herbaceous cover, litter, and bare soil using 3 x 50 m2 quadrats spaced at 30-m intervals along each transect. In addition, vegetation components were calculated for each site comprising woody vegetation cover, green herbaceous cover in terms of grass and forbs, dead herbaceous cover, plant litter, and bare soil. Species richness was calculated as the actual number of species per three transects (270 m2) at each site (Kent and Coker, 1996).The data set consists of two data files (ASCII tables) in comma-delimited format (.csv) with descriptive header records.

Documentation

Data set reference document

Citation

Ringrose, S., and W. Matheson. 2005. SAFARI 2000 Vegetation Cover Characteristics, Kalahari Transect, Wet Season 2000. ORNL DAAC, Oak Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/776
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Project

SAFARI 2000 (S2K): The SAFARI 2000 project was an international science initiative to study the linkages between land and atmosphere processes in the southern African region. In addition, SAFARI 2000 examined the relationship of biogenic, pyrogenic, and anthropogenic emissions and the consequences of their deposition to the functioning of the biogeophysical and biogeochemical systems of southern Africa. This initiative, which was conducted in 1999-2001, was built around a number of ongoing, already-funded activities by NASA, the international community, and African nations in the southern African region.

Project data set list for SAFARI 2000 (S2K).

Companion Files

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  • kt_veg_inventory_readme.pdf

Data Files

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Data File (Granule)File SizeDates
botswana_kt_species.csv 2.6 KB 2000-03-03 - 2000-03-14
botswana_kt_veg_sum.csv 5.6 KB 2000-03-03 - 2000-03-14

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