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The influence of different management practices on soil faunal activity in vineyard soils
(Stellenbosch : Stellenbosch University, 2002-12)
ENGLISH ABSTRACT: Food demands for the ever-increasing human population is increasing the
pressure on the agricultural sector to produce more food. In order to satisfy these
demands, farmers are turning to chemical ...
The geometric tortoise (Psammobates geometricus) in a fragmented habitat along a national highway : status and mitigation
(Stellenbosch : Stellenbosch University, 2003-12)
ENGLISH ABSTRACT: The geometric tortoise, Psammobates geometricus, found in the Western Cape, South
Africa, is one of the world's rarest tortoises. At present, it is only known from five
isolated geographical areas, one ...
Phylogeography of the Cape girdled lizard, Cordylus cordylus : investigating biogeographic patterning in the Cape floristic region (CFR)
(Stellenbosch : Stellenbosch University, 2013-12)
ENGLISH ABSTRACT: In the present study I examined the phylogeography of the rupicolous Cape
girdled lizard, Cordylus cordylus. Samples were collected across the species
distribution range from 63 localities in the Eastern ...
Stress responses of Eisenia andrei and Enchytraeus doerjesi (Oligochaeta) to combined effects of temperature and metal contamination
(Stellenbosch : Stellenbosch University, 2011-03)
ENGLISH ABSTRACT: The terrestrial Oligochaete species Eisenia andrei and Enchytraeus doerjesi were
exposed to different concentration series of Cd and Zn, both separately and in
mixtures for 28 days in artificial OECD ...
Prediction and ecotoxicological effects of runoff induced pesticide contamination in agricultural surface waters : a risk assessment using GIS and microcosms
(Stellenbosch : Stellenbosch University, 2001-12)
ENGLISH ABSTRACT: Runoff is generally regarded as one of the most important routes of nonpoint source
pesticide pollution in agricultural surface waters. Of major concern is the fact that
low, sub-lethal levels of pesticide ...
Ecological relevance of suborganismal and population responses of terrestrial oligochaeta to the fungicide copper oxychloride
(Stellenbosch : Stellenbosch University, 2000-12)
ENGLISH ABSTRACT: Copper oxychloride is a fungicide that is extensively used in vineyards in the Western
Cape to treat and prevent fungal diseases. It is however not clear what the effects are
on soil organisms, which ...
Cellular responses to Cd, Pb and Zn in shrews (Myosorex varius and Crocidura flavescens) and BALB/c mice
(Stellenbosch : Stellenbosch University, 2000-12)
ENGLISH ABSTRACT: Shrews are excellent bioindicators of environmental heavy metal pollution. This is
due to their diets and the high rate of consumption at which these small mammals consume
their prey. Shrews feed mostly ...
Comparative phylogeography of the catshark, Haploblepharus pictus and its nematode parasite, Proleptus obtusus
(Stellenbosch : Stellenbosch University, 2011-12)
ENGLISH ABSTRACT: The comparative phylogeography of the host-parasite relationship of the southern African
endemic dark shyshark, Haploblepharus pictus and its nematode parasite, Proleptus
obtusus was investigated. To ...
The effects of genotype and/or environment on the phenotypic expressions of mandibular gland signals in honeybees (Apis mellifera)
(Stellenbosch : Stellenbosch University, 2011-03)
ENGLISH ABSTRACT: Insect societies utilize advanced chemical communication systems to organize many
aspects of their social life, which among others, include reproduction, thus
maintaining colony homeostasis. The queen ...
Cytosystematics of Gerbils
(Stellenbosch : Stellenbosch University, 2013-03)
ENGLISH ABSTRACT: The objectives of this research were to: (1) accurately identify chromosome homology, (2) identify chromosome rearrangements leading to diploid number variation and chromosome evolution to formulate the ...