Environmental & Physical Sciences

2201 works in Environmental & Physical Sciences

Addressing the expectations gap between corporate environmental performance communication and an affected community’s needs : with reference to organisations situated in markman township and

Abstract: The purpose of this study was to identify and address an expectations g

Biological studies on some South African culicoides species (Diptera : Ceratopogonidae) and the morphology of their immature stages

Abstract: Please read the abstract in the dissertation

Systematics and conservation of Colophon Gray (Coleoptera: Lucanidae)

Abstract: The flightless Cape High-mountain stag beetle genus Colophon (Coleopter

Restoration and ant diversity to post-plantation forestry grasslands

Abstract: There has been a widespread assessment of the capacity of grasslands to

Visual and olfactory cues used in host location by the blister beetle Hycleus apicicornis (Coleoptera: Meloidae), a pest of Desmodium (Fabaceae) species

Abstract: Desmodium spp. are leguminous plants mainly used as livestock fodder. I

Evaluation of Metarhizium anisopliae mycoinsecticide as an alternative locust control measure in southern Africa

Abstract: Please read the abstract in the section 00front of this document

The effect of habitat change on the structure of dung beetle assemblages in the north-eastern Free State : a comparison of conserved and farmed land

Abstract: Please read the abstract in the section 00front of this document

The relative performance of surrogate measures for viable populations

Abstract: Please read the abstract in the section 00front of this document

Systematics of the endemic south-west African dung beetle genus Pachysoma Macleay (Scarabaedae : Scarabaeinae)

Abstract: Please read the abstract in the section 00front of this document

The effect of habit edges on the rehabilitation of coastal dune community structure

Abstract: Please read the abstract before the references of this document.

Heterogeneity of dung beetle (Coleoptera: Scarabaeidae) assemblages in northern KwaZulu-Natal, South Africa: conservation implications

Abstract: Investigating the extent of local scale heterogeneity in assemblages is

The relative importance of natural and human-induced environmental conditions for species richness distribution patterns in South Africa

Abstract: I studied the spatial distribution of South African avian species richn

Implications of global change for important bird areas in South Africa

Abstract: The Important Bird Areas (IBAs) network of BirdLife International aims

Regulation of protein and carbohydrate intake in caged honeybees Apis mellifera scutellata : assessment based on consumption and various performance measures

Abstract: When provided with the opportunity to select their diet, most insect he

Structure and function of a Lepidoptera assemblage in a human-influenced environment

Abstract: Please read the abstract in the front section of this document

Chemical and cultural control of armoured bush cricket, Acanthoplus discoidalis (Walker) (Orthoptera: Tettigoniidae: Hetrodinae), in sorghum in Botswana

Abstract: Please read the abstract in the section, 00front of this document

Behavioural response of honeybees (Apis mellifera scutellata Lep.) to wild pollinators on sunflowers (Helianthus annuus L.)

Abstract: Pollination is an essential ecosystem service, increasing reproductive

Homeostasis : humidity and water relations in honeybee colonies (Apis mellifera)

Abstract: One of the benefits of colonial living in insect societies is the abili

Lepidoptera stem borers on cultivated and wild host plants : implications of insect-plant interactions for pest management

Abstract: Please read the abstract in the section 00front of this document

The pollination ecology of commercial sunflower (Helianthus annuus L.) in South Africa with special reference to the honeybee (Apis mellifera L.)

Abstract: Please read the abstract (Summary) in the section, 09summary and aknowl

Mechanisms and control of secretion in the Malpighian tubules of Tenebrio molitor : an immunohistochemical and electrophysiological study

Abstract: Fluid secretion by insect Malpighian tubules is controlled by haemolymp

Embryo-larvicidal activities of lufenuron on selected lepidopteran pests

Abstract: Please read the abstract in the section 00front of this document

Digestion of maize and sunflower pollen by the spotted maize beetle Astylus atromaculatus (Melyridae)

Abstract: The relationship between beetles and flowers is often mutually benefici

Phylogeography of Scarabaeus (Pachysoma) Macleay (Scarabaeidae: Scarabaeinae)

Abstract: Scarabaeus (Pachysoma) consists of 13 flightless dung beetle species en

Climate change and tick-host relationships in Africa

Abstract: Please read the abstract in the section 00front of this document

The past and present geographical distribution of the Perissodactyla and artiodactyla in Southern Africa

Abstract: Please read the abstract in the section, 00front, of this document

Tick-host interactions in Hyalomma species

Abstract: Please read the abstract in the section front of this document

Coastal dune forest regeneration : the response of biological communities to rehabilitation

Abstract: Human appropriation of natural resources, and the consequent loss of ha

Bioecology of the mango mealybug, Rastrococcus iceryoides green (Hemiptera : Pseudococcidae) and its associated natural enemies in Kenya and Tanzania

Abstract: Rastrococcus iceryoides Green (Hemiptera: Pseudococcidae), an alien inv

Fungus gnats in forestry nurseries and their possible role as vectors of Fusarium circinatum

Abstract: There are many examples of associations between insects and fungi. Wher