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Now showing items 1-10 of 12
Spatial patterns in the microarthropod community associated with Azorella selago (Apiaceae) on the sub-Antarctic Prince Edward Islands
(Stellenbosch : Stellenbosch University, 2006-12)
ENGLISH ABSTRACT: The spatial distribution of animals and plants at different scales is a central theme in
ecology. Knowledge of biodiversity distribution is essential, especially with the current
threat of climate change ...
The sustainable harvesting of non-timber forest products from natural forests in the southern Cape, South Africa : development of harvest systems and management prescriptions
(Stellenbosch : University of Stellenbosch, 2009-03)
ENGLISH ABSTRACT: There is a growing appreciation of the importance of non-timber forest products (NTFPs) and
the role they play in the socio-economic wellbeing of rural communities and other
stakeholders. Harvest systems ...
Development of a pest management system for table grapes in the Hex River Valley
(Stellenbosch : University of Stellenbosch, 2006-03)
A study was performed to develop a generic pest monitoring system for sampling the
main table grape pests in vineyards in the Hex River Valley, Western Cape Province
of South Africa. The presence of phytophagous and ...
Modelling seed dispersal in restoration and invasions
(Stellenbosch : Stellenbosch University, 2008-03)
Dispersal plays an essential role in determining the distribution of populations of species,
especially species expanding their ranges. Two disciplines are concerned with gaining
understanding of spread of species, namely ...
Invasive potential of the Peruvian pepper tree (Schinus molle) in South Africa
(Stellenbosch : University of Stellenbosch, 2009-03)
ENGLISH ABSTRACT: Natural and semi-natural ecosystems and human communities worldwide are under siege
from a growing number of destructive invasive alien species. Alien species are those
whose presence in an area is due ...
Using nutritional quality of forage and faeces for predicting sustainable livestock and game stocking rates at Pniel Estates in Northern Cape, South Africa
(Stellenbosch : University of Stellenbosch, 2006-03)
The aim of the study was to assess the importance of spatial and temporal variation in diet quality and abundance for determining sustainable stocking rates on commercial, communal and game ranches in a semi-arid savanna, ...
Climate change and vascular plant species interactions on sub-Antarctic Marion island
(Stellenbosch : Stellenbosch University, 2008-12)
ENGLISH ABSTRACT: Shifts in species ranges are an important consequence of climate change, and
can affect the composition, structure and functioning of ecosystems. Generally, in
response to rising temperatures, species ...
Morphological and molecular studies of tortricid moths of economic importance to the South African fruit industry
(Stellenbosch : University of Stellenbosch, 2005-12)
Six tortricid species are of major economic importance to the South African fruit industry. They are the
codling moth Cydia pomonella, the oriental fruit moth Grapholita molesta, the false codling moth
Thaumatotibia ...
A monograph of the genus Helicotylenchus Steiner,1945 (Nemata: Hoplolaimidae)
(Stellenbosch : Stellenbosch University, 2001-12)
ENGLISH ABSTRACT: The genus Helicotylenchus Steiner of the family Holplolaimidae is reviewed. The
different morphometric and morphological characters used in species description are
discussed. Thirty-five species occurring ...
The relationship between ants (Hymenoptera: formicidae), vine mealybug (Hemiptera: pseudococcidae) and parasitoids in vineyards of the Western Cape Province, South Africa
(Stellenbosch : Stellenbosch University, 2008-12)
The mutual association between honeydew foraging ants and vine mealybugs in
vineyards is detrimental to the biological control of the vine mealybug Planococcus
ficus (Signoret). This study investigated the relationship ...