Global ETD Search

491	Anthropocentric impacts on the ecology and biodiversity of the Natalspruit watercourse and its associated wetlands Kruger-Franck, Elmarie 07 1900 (has links) Information regarding the ecological wellbeing of the Natalspruit and its adjoining wetlands is essential if the river is being managed using sound ecological management principles. Despite this, little is known about this river, with little documentation at the regional or municipal level. This study partially addresses this knowledge gap by evaluating the impacts of human activity on a section of the Natalspruit and its adjoining wetlands. It reports on pollution concentrations found at selected sample sites and compares the results to Rand Water data and the National Standards and Guidelines of South Africa for physicochemical parameters and contaminated soils. Water samples were collected at five chosen sample sites during May and July 2018. Soil samples were taken during July 2018. The study found that water at all five sample sites is not suitable for drinking, the health of livestock and recreational use due to the present and high Total Coliform levels (ranging from 450 CFU/100ml to 100 000 CFU/100ml), as well as Turbidity, Total Hardness, TDS, Mg, NO2, SO4, and BOD which also exceeded the guidelines. Only site SS1 (May) exceeded the CaCO3 concentrations regarding livestock health. No guidelines were available for DO levels on the health of livestock. Cl levels in the Natalspruit was suitable for drinking. PO4 concentration at all the sites were all within the guidelines of acceptable levels for aquatic ecosystems. In terms of heavy metals, Cr levels significantly exceeded the guidelines at all five sample sites with the exception of ecosystem health. This is of great concern due to the toxicity of Cr. Cu concentrations exceeded the guidelines for both all land-uses protective of water resources and ecosystem health, at SS1, SS2, SS3 and SS5. Ni concentrations exceeded the guidelines for all land-uses protective of the water resources at SS5. Pb and Zn concentrations exceeded the guidelines for the land-uses protective of the water resources at all the sites with the exception of SS4 for Pb and SS2 and SS4. SS1 and SS5 reported Zn concentrations higher than the guideline for the protection of ecosystem health. SASS 5, PES and EIS assessments indicated moderate to severe modifications of the river. Thus, mining, industrial activities, surface runoff from densely populated informal settlements and wastewater treatment plants have negatively impacted upon the river. Decades of environmental neglect and effluent discharge have degraded the ecosystem, thus necessitating rehabilitation. However, as the study was limited in both time and scope, so additional research should be undertaken. / Environmental Sciences / M. Sc. (Environmental Management) Environmental impacts Wetlands Fauna and flora Mining Industrial Informal settlements Environmental degradation Development Sustainable use Natalspruit 577.680968225
492	Wattle we do? alien eradication and the 'ecology of fear' on the fringes of a world heritage site, South Africa Merron, James Lawrence January 2010 (has links) In their article ―Naturing the Nation: Aliens, the Apocalypse and the Post Colonial State (2001) Jean and John Comaroff look at ―the contemporary predicament of South Africa through the prism of environmental catastrophe. Through it they reveal the context in which alien plants have become an urgent affair of the state. Following their lead, I show how alien plants (particularly Australian wattle) continue to provide grounds for new social and political aspirations in South Africa, though in a different setting. With reference to a group of private landowners on the fringe of a World Heritage Site -- the Baviaanskloof Mega-Reserve, Eastern Cape, South Africa -- I show how an increasingly apocalyptic and xenophobic environmental agenda has influenced local activists seeking to address social and ecological issues in tandem with alien-eradication. These local activists adhere to a particular brand of environmentalism which Milton (1993) argues can be considered a social, cultural and religious phenomenon. The subjects of my main empirical investigation offer practical ways of achieving a transformational end through a new ritual activity in relation to a spread and exchange of environmental ideas and practices on a world-wide scale. On the ground this group practices ecosocietal restoration through which they aspire to mend the bond between people and the land in a spiritual and moral sense, bolstering intrinsic incentives for environmental stewardship and achieving ―cultural reconciliation in an attempt to reimagine what South Africa could be.
493	Obchodování s lidmi: role EU v přístupech k problému v ČR a Belgii / Human trafficking: the role of the EU and the approaches to the problem in Czech Republic and in Belgium Haniaková, Tereza January 2020 (has links) This master thesis aims to unveil and examine the interplay between different actors in the fight against human trafficking. These are: the European Union, the Czech Republic and Belgium. A content (text) analysis of the primary sources gives the answers on how those actors work with the definition of human trafficking and to what extent the two member states implemented the EU Directive 2011/36/EU and other documents. In addition to conducting the content (text) analysis, creating a literature review and researching on different discourses linked to this phenomenon, this thesis include two semi-structured interviews with the representatives of the Czech Republic and Belgium. Those offer deeper insight into how those states form this fight in practice. They unveiled different aspects in their own approaches but also aspects that make their approach unique. This thesis examines also how the new strategy - the most important document framing the fight against human trafficking and the country's priorities - is adopted and what generally will those strategies include from the year 2020.
494	Developing Skills for Successful Learning Swersky, Liz 20 March 2012 (has links) (PDF) No description available. effektiver Lehrmethoden aktiv und kreativ im Lernen bessere Qualität der Lehre Anfangsjahre verbesserte Schülerleistung Edupeg-Projekt in Südafrika Ausdauer Gedächtnisleistung soziale Kompetenz Selbstvertrauen Selbstwertgefühl kognitive Fähigkeiten visuelle Wahrnehmung Rechnen Lebenskompetenzen intuitives Wissen des Kindes kreatives Denken genaues schriftliche Arbeiten fließend sprechen Wortschatz geschriebene Sprache Geschichten erzählen Muttersprache Denkvermögen Techniken zur Problemlösung Problemlösungsstrategien Entscheidungsfindung Selbstvertrauen stärken Disziplinprobleme vermindern Tempo und Inhalt des Unterrichts der am langsamsten lernende Schüler praktische Erfahrungen positive Lernerfahrungen aktiveres Engagement im Unterricht more effective teaching methods improved quality of teaching early years improved pupil performance Edupeg perseverance memory skills social skills self-confidence self-esteem cognitive skills visual perception numeracy life skills child's intuitive knowledge creative thought accurate written work fluency of language vocabulary written language story-telling mother tongue thinking skills problem solving techniques problem solving strategies decision making promotes self-reliance discipline problems diminish pace and content of the lesson the slowest learner practical experiences positive learning experiences more actively engaged in teaching ddc:510 rvk:SD 2011
495	Developing Skills for Successful Learning Swersky, Liz 20 March 2012 (has links) No description available. info:eu-repo/classification/ddc/510 ddc:510

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