Metals are natural elements of the earth crust usually present at low concentrations in all soils. Although many metals such as cobalt, copper, iron and zinc are essential to living organisms, at elevated concentrations ...

ENGLISH ABSTRACT: Although the impacts of biological invasions are widely appreciated, a bias exists in research effort to post‐dispersal processes because of the difficulties of measuring propagule pressure and the detecting ...

ENGLISH ABSTRACT: The taxonomic status of southern Africa’s rupicolous crag lizards (genus Pseudocordylus) was investigated. As considerable confusion exists in the literature regarding the type specimens and type ...

ENGLISH ABSTRACT: A study was made of certain relations operating within a South West African woodland savanna ecosystem which was characterised by simplification within most of its basic components. . Main attention was ...

ENGLISH ABSTRACT: With the current global decline in pollinators, and the concurrent decline in plant species, pollination research is becoming increasingly important. However, studies outside Europe and North-America and ...

ENGLISH ABSTRACT: Biofuels are being promoted as a global necessity to meet climate change targets through the replacement of fossil fuels. Many countries have identified biofuels as a potential mechanism to meet these ...

ENGLISH ABSTRACT: Concern has increased that widespread adverse effects are occurring in humans and wildlife populations as a result of exposure to environmental chemicals (mostly man-made) that disrupt the normal ...

ENGLISH ABSTRACT: Very little is known about the diversity of fungi associated with Afromontane forests of the Cape Floristic Region (CFR) of South Africa. The ophiostomatoid fungi include many species, some known as ...

ENGLISH ABSTRACT: Historically, isopods of the suborder Phreatoicidea were thought to be represented in southern Africa by four species belonging to the endemic genus Mesamphisopus. This taxonomy was based on poor ...

ENGLISH ABSTRACT: A biosytematic revision of the seven minor genera of the Hyacinthaceae, including twenty-two species, was undertaken. Muller-Doblies & Muller-Doblies (1997) considered these seven genera (Amphisiphon ...

Copper oxychloride (Cu2CI(OH)3) is a broad-spectrum fungicide, intensively sprayed in many South African vineyards and orchards. It is necessary to find accurate and effective methods of monitoring the effects of this ...

Endocrine disruption is an alteration of the chemical messaging processes in the body. The value of studies‐ and monitoring of endocrine disruption using techniques included in the field of toxicogenomics is undoubtedly ...

Afrosoricida is a 65 million years old (my) eutherian order that together with the Tubulidentata (aardvark) and Macroscelidea (elephant shrews) form the Afroinsectiphillia, a subclade of Afrotheria. It includes two ...

ENGLISH ABSTRACT: Climate change and biological invasions are major threats to biodiversity. In particular, these threats are predicted to influence terrestrial systems in the sub-Antarctic, where significant ecosystem ...

ENGLISH ABSTRACT: African greenbuls are an ideal model system with which to explore different hypothesis that may underlie observed patterns of lineage diversification. Among those few hypotheses amenable to falsification ...

Improved anti-predator protection has been postulated to be the primary advantage of sociality in the family Herpestidae. Therefore, the yellow mongoose, Cynictis penicillata, is considered an anomaly in the family because ...

AFRIKAANSE OPSOMMING: Die skedelmorfologie van die vroeë Therocephalia word bespreek op historiese, anatomies-vergelykende en taksonomiese grondslag. Daar word aangetoon dat die familienaam Scylacosauridae voorrang ...

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ENGLISH ABSTRACT: Within southern Africa, the widely distributed four-striped mouse Rhabdomys is parasitized by, amongst others, the host-specific ectoparasitic sucking louse, Polyplax arvicanthis. The present study ...

ENGLISH ABSTRACT: No abstract available