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Vitale bodem als basis voor een duurzaam bodembeheer
(AOSIS Publishing, 2006)
In the past decades, soils in South Africa as well as The Netherlands have become increasingly
deteriorated as a result of chemical and physical factors. Soil contamination, acidification, desiccation and
erosion have ...
A river health assessment of selected Southwestern Cape rivers : riparian vegetation index (RVI) application, evaluation and alternatives
(Stellenbosch : Stellenbosch University, 2003-12)
ENGLISH ABSTRACT: This study focuses on riparian vegetation condition at sites along three nvers within the
southwestern Cape, South Africa namely the Lourens, Hout Bay and Palmiet Rivers. The Riparian
Vegetation Index ...
Effects of alien plant management, fire and soil chemistry on selected soil microbial populations in the Table Mountain National Park, South Africa
(NISC Pty Ltd., 2005-06)
This pilot study examined changes in soil chemistry and microbial population sizes following the extensive wildfires in 2000 on the Cape Peninsula. The effects of standing alien plants and stacks of mechanically-cleared ...
Evidence of repeated and independent saltational evolution in a peculiar genus of sphinx moths (Proserpinus : Sphingidae)
(Public Library of Science, 2008-12-24)
Background: Saltational evolution in which a particular lineage undergoes relatively rapid, significant, and unparalleled change as compared with its closest relatives is rarely invoked as an alternative model to the ...
Conservative management of breast cancer in the elderly in a developing country
(BioMed Central, 2007-10)
Background: The cost effective treatment of cancer in developing countries remains challenging. In the elderly with possible limited life expectancy, the health expenditure associated with standard treatment regimes should ...
Micro-environment of olive ridley turtle nests deposited during an aggregated nesting event
(Wiley-Blackwell, 2007-05)
The hatching success of nests deposited by olive ridley turtles Lepidochelys olivacea during aggregated nesting events ('arribada') is typically low and the underlying mechanisms are not clear. In this study, temperature, ...
Critical thermal limits and their responses to acclimation in two sub-Antarctic spiders : Myro kerguelenensis and Prinerigone vagans
(Springer-Verlag, 2008-01)
Despite the relative richness of spider species across the Southern Ocean islands remarkably little information is available on their biology. Here, the critical thermal limits of an indigenous (Myro kerguelenensis, Desidae) ...
New and interesting orchid records for Tanzania
(BioOne, 2004-01)
The orchid taxa Brachycorythis ovata subsp. schweinfurthii, Habenaria arianae and
Habenaria disparilis are newly recorded for Tanzania, while Brachycorythis
congoensis is newly recorded for the floral region T7. A stable, ...
Lizard epidermal gland secretions I : chemical characterization of the femoral gland secretion of the sungazer, Cordylus giganteus
(Springer Verlag, 2007-09)
The giant girdled lizard or sungazer, Cordylus giganteus, is endemic to South Africa. It has been suggested that in this species, as in other lizard species, epidermal glands in the femoral, pre-cloacal regions, and cloacal ...
Suprafamilial relationships among Rodentia and the phylogenetic effect of removing fast-evolving nucleotides in mitochondrial, exon and intron fragments
(BioMed Central, 2008-11)
Background: The number of rodent clades identified above the family level is contentious, and to date, no consensus has been reached on the basal evolutionary relationships among all rodent families. Rodent suprafamilial ...