scholarly journals Quantifying the spatial distribution and trends of supplementary feeding sites in South Africa and their potential contribution to vulture energetic requirements

2020 ◽  
Vol 23 (5) ◽  
pp. 491-501 ◽  
Author(s):  
C. W. Brink ◽  
A. Santangeli ◽  
A. Amar ◽  
K. Wolter ◽  
G. Tate ◽  
...  
Keyword(s):  
South Africa ◽  
Spatial Distribution ◽  
Supplementary Feeding ◽  
Potential Contribution ◽  
Feeding Sites

SPATIAL DISTRIBUTION OF METEORITIC CARRIER PHASES IN PALEOARCHEAN SPHERULE LAYERS FROM SOUTH AFRICA

2019 ◽  
Author(s):  
Christian Koeberl ◽  
◽  
Toni Schulz ◽  
Toni Schulz ◽  
Oliver Heldwein ◽  
...  
Keyword(s):  
South Africa ◽  
Spatial Distribution

scholarly journals Hydrogeochemical Analysis and Spatial Distribution of Groundwater Quality in Roundhill Landfill Vicinity of South Africa

2019 ◽  
Vol 12 ◽  
pp. 117862211987277 ◽  
Author(s):  
Joan Nyika ◽  
Ednah Onyari
Keyword(s):  
South Africa ◽  
Spatial Distribution ◽  
Sodium Chloride ◽  
Landfill Leachate ◽  
Water Samples ◽  
Physicochemical Parameters ◽  
Anthropogenic Activities ◽  
Anthropogenic Pollution ◽  
Physicochemical Characteristics ◽  
Magnesium Carbonate

Groundwater is the most reliable resource for consumptive uses worldwide, but it is vulnerable to anthropogenic pollution in this post-industrialization era. Pollution of the resource may result from anthropogenic activities; hence, analysing the effects of leachate on groundwater is imperative. This study assessed the spatial distribution of physicochemical parameters of groundwater in Roundhill landfill vicinity of South Africa and conducted their hydrogeochemical analysis. Water samples were collected from 3 boreholes in the landfill surroundings and analysed for selected physicochemical characteristics. Spatial distribution of these parameters showed dominant pollution by Mn2+, Fe2+, and [Formula: see text], which surpassed prescribed allowable limits of the country in most of the study area. Possibilities of simple dissolution and ion mixing were deduced from the Durov diagram. Magnesium carbonate, sodium chloride, and mixed faces of groundwater were dominant in boreholes 1 to 3, respectively. The dominance of Ca2+, Cl−, Mg2+, and [Formula: see text] ions in some boreholes suggested anthropogenic pollution. Landfill leachate was associated with groundwater pollution in the study area.

Linking sanitary and ecological requirements in the management of avian scavengers: effectiveness of fencing against mammals in supplementary feeding sites

2012 ◽  
Vol 21 (7) ◽  
pp. 1673-1685 ◽  
Author(s):  
Rubén Moreno-Opo ◽  
Antoni Margalida ◽  
Francisco García ◽  
Ángel Arredondo ◽  
Carlos Rodríguez ◽  
...  
Keyword(s):  
Supplementary Feeding ◽  
Feeding Sites ◽  
Ecological Requirements
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