Browsing Faculty of Natural and Agricultural Sciences by Title
Now showing items 1313-1332 of 4818
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Ecological guild and enzyme activities of rhizosphere soil microbial communities associated with Bt-maize cultivation under field conditions in North West Province of South Africa
(Wiley, 2017)Insecticidal proteins expressed by genetically modified Bt maize may alter the enzymatic and microbial communities associated with rhizosphere soil. This study investigated the structure and enzymatic activity of rhizosphere ... -
The ecological politics surrounding the downsizing and downgrading of public park: a reflection on the history of change of the Harare Gardens in Zimbabwe
(University of California Press, 2019)ABSTRACT The study of protected area downgrading and downsizing (PADD) in Africa has largely been confined to rustic and nature reserves outside urban boundaries. This study addresses the gap in research practice and puts ... -
The ecology and conservation of Thestor brachycerus brachycerus (Trimen, 1883): an aphytophagous miletine butterfly from South Africa
(Springer, 2015)The existing knowledge of the biology and ecology of the butterfly genus Thestor is summarised, and the conservation status of the Critically Endangered Thestor brachycerus brachycerus reviewed. The biotopes of two hitherto ... -
Economic synergy between rural off-farm income and households' poverty in Ekiti State, Nigeria
(Kamla-Raj, 2016)Off-farm enterprise is important for rural development and poverty alleviation. This study was undertaken to determine the economic synergy between off-farm income and farming households' poverty level. A total of 120 ... -
Economics of farming household's food intake and health-capital in Nigeria: a two-stage probit regression approach
(Western Illinois University, 2017)Persistent hunger, malnutrition, and public health problems inextricably threaten the ability of several countries to develop. The burdens of these trios on economic development in African continent cannot be overemphasized. ... -
Ecosystem services of urban green spaces in African countries: perspectives and challenges
(Springer Verlag, 2013)The concept of ecosystem goods and services is increasingly used to describe how biodiversity and ecosystems are linked to human well-being and that it should be placed at the core of sustainable urban development. ... -
Ecotoxicity of mine tailings: unrehabilitated versus rehabilitated
(Springer, 2018)Earthworms are bioindicators of soil pollution. The ecotoxicity of tailings from selected gold mines in South Africa was investigated utilizing Eisenia andrei bioassays and biomarkers. Samples were obtained from unrehabilitated, ... -
Ecotoxicological assessment of chemical fumigants utilising an earthworm (Eisenia andrei) bioassay and soil microbial communities
(Springer, 2017)Fumigation is an important crop protection practice employed to control soil pathogens and diseases. Metham sodium and cadusafos are two commonly used soil fumigants for this purpose. However, little information is available ... -
Ecotoxicological effects of aflatoxins on earthworms under different temperature and moisture conditions
(MDPI AG, 2022)Aflatoxin contamination remains one of the most important threats to food safety and human health. Aflatoxins are mainly found in soil, decaying plant material and food storage systems and are particularly abundant during ... -
Ecotypic differentiation of mid-Atlantic Quercus species in response to ultramafic soils
(CSIRO Publishing, 2015)Spatial heterogeneity of soil conditions combined with intraspecific variation confer site-specific edaphic tolerance, resulting in local adaptation and speciation. To understand the geoecological processes controlling ... -
Ectoparasite burdens of the common mole-rat (Cryptomys hottentotus hottentotus) from the Cape Provinces of South Africa
(2014)The members of the African mole-rat family Bathyergidae are widely distributed across sub-Saharan Africa. Despite their well-studied biology and reproductive physiology, the current knowledge of their ectoparasite fauna ... -
Ectoparasite burdens of the Damaraland mole-rat (Fukomys Damarensis) from Southern Africa
(BioOne, 2015)Damaraland mole-rats (Fukomys damarensis) of the family Bathyergidae are widely distributed subterranean rodents in sub-Saharan Africa. No parasites have ever been reported for this species and only 1 ectoparasite is ... -
Ectoparasite diversity in the eastern rock sengis (Elephantulus myurus): the effect of seasonality and host sex
(Taylor & Francis, 2015)Globally small mammals are important hosts of ectoparasite vectors of pathogens of medical, veterinary and economic importance. Insectivores are currently understudied as hosts of pathogen vectors. However, data are needed ... -
Ectoparasite diversity on rodents at De Hoop Nature Reserve, Western Cape Province
(Zoological Society of Southern Africa, 2010) -
Editorial
(Springer, 2019)This volume in the Operator Theory: Advances and Application series is devoted to Joseph A. (Joe) Ball’s four and a half decade long mathematical career and in celebration of his seventieth birthday on June 4, 2017. His ... -
Editorial
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Editorial - Embedding the sustainable development goals (SDGs) in IAPA’s remit
(Taylor & Francis, 2020)Working and researching on impact assessment (IA), you are likely to have come across, and possibly worked with, the Sustainable Development Goals (SDGs; see United Nations 2020), adopted by the United Nations General ... -
Editorial to the journal: Impact assessment and project appraisal
(Taylor & Francis, 2020)I’m writing this editorial in week 5 of ‘lock-down’, – whilst trying to combine home office for two with home-schooling and childcare. I’m fully aware, though, that this is currently a very privileged situation to be ...