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Grazing sequence pattern and species selection by cattle in the Dohne sourveldDaines, Thomas January 1976 (has links)
A detailed investigation into the harvesting of the standing grass crop within camps by cattle showed the following: 1. Cattle have a definite order of preference for the components of the Dohne Sourveld grass sward. The most palatable species in order of preference (based on Corrected Species Importance rating) are Themeda triandra, Tristachya hispida, Andropogon appendiculatus, Alloteropsis semialata and Heteropogon contortus. The least preferred species is Elionurus argenteus. 2. The key species, which is defined as the most abundant and productive palatable species, has been identified as Themeda triandra. 3. In harvesting the grass crop, cattle not only have a set preference for species, but also have a set grazing sequence pattern. This can be divided into three main phases. On entering the camp the animals first select the species of their choice, "creaming" these plants (grazed less than 50%) to obtain the most nutritious feed. In their daily search for food they spread their grazing over an increasingly wider area and over a wider range of species. When they can no longer obtain their daily requirements from this "creaming" operation of the more preferred species they return to the most preferred species , which are then heavily grazed (more than 50%) producing the common pattern of area grazing within a camp. These areas increase in size as the cattle graze down the species of their choice, moving to less preferred species as soon as they can no longer obtain their daily intake requirements from the more preferred species. Finally when they have no alternative they graze the least preferred species. 4. Increasing the stocking density does not alter the grazing sequence pattern or change the order of preference for the component species in the sward. It only increases the rate of utilization of the more preferred species and the various phases in the grazing sequence pattern are reached more rapidly. 5. At higher stocking densities the palatable species are more evenly utilized than at lower stocking densities. 6. Cattle graze a greater variety of species when the sward is young and actively growing. As the maturity of the sward increases the cattle concentrate on the more preferred species and are more selective in their grazing. However, their order of preference remains the same. Species that are highly preferred early in the season retain their ranking when the sward is mature. The only exception to this rule is Alloteropsis semialata. Early in the growing season this species is high on the preference list, but as it matures less is taken until when fully mature, it is rejected by cattle. 7. Elionurus argenteus is the least preferred of all the species in the Dohne Sourveld. Cattle will graze this plant as a last resort when grazing a camp early in the season, but reject the plant when it is fully mature. 8. To retain vigour and production of the Dohne Sourveld results of this investigation support the view that grazing management should be based on the principle of controlled selective grazing. Having shown that the more preferred species are over-utilized when attempting to utilize the least preferred species any grazing management that calls for total utilization of all standing vegetation should be rejected. 9. The results of this investigation supports a multicamp system for the Dohne Sourveld where high stocking densities are employed. This will result in the rapid and even utilization of the more preferred species. Management should be based on short period of stay and long period of absence. Cattle should be moved as soon as the key species have been well utilized, but not overgrazed. Cattle should only be returned to the camp when key species have made adequate regrowth following grazing. 10. A method, that is simple to use, is proposed for determining utilization of the veld and key species at different times of the year using the relationship between percentage of ungrazed plants and utilization of the sward and of Themeda triandra, the key grazing species in the sward. 11. Results show that when rested camps are grazed after May, the number of Themeda triandra inflorescences are drastically reduced. Veld that is specifically rested for the production of Themeda triandra seed should be rested from March of the year preceding expected seeding.
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Phenology of the important coleopterous pests of pine forests in the Western Cape, South AfricaTribe, Geoffrey Darryl January 1992 (has links)
The phenology of the three exotic pine bark beetles present in South Africa was determined in the south-western Cape Province. Results from weekly trapping of adult beetles using trap-logs over a period of five years showed that the different species had activity peaks at different times of the year. Hylastes angustatus was the most consistent with 95% of the beetles captured in September and October. The Orthotomicus erosus activity peak was more variable but always occurred in the summer months (October to February) when 84% of the beetles were captured. Hylurgus ligniperda was the most variable, being found in every month of the year, although an autumn peak representing 37% of the beetles occurred in April/May. Activity peaks of each species coincided with distinct climatic conditions. Buried and partially-buried pine logs placed vertically in the soil to simulate roots and stems of seedlings were used to determine the colonisation sites of the three bark beetle species. Ninety-eight percent of O. erosus beetles were found in the protruding parts of the logs while 86% of H. ligniperda beetles were found mainly below soil level. H. angustatus were intermediate, entering the logs at or just below the soil interface but colonising mainly the buried parts in which 64% of the beetles were found. Both H. angustatus and H. ligniperda were able to detect and colonise logs buried horizontally at depths of 400mm, but O. erosus beetles were unable to do so. For adequate protection of seedlings from bark beetles, insecticide should be applied to both stems and roots. The phenology of the indigenous pine needle feeders Oosomus varius (Curculionidae) and Prasoidea sericea (Chrysomelidae) was determined by counting, at weekly intervals, the number of beetles present on 10 young pine trees. The O. varius activity peak occurred in August where 42% of all beetles were active, with 87% of the beetles present in July, August and September. P. sericea also had their activity peak in August when 60% of all beetles were active, but with August and September alone accounting for 87% of the beetles. The occurrence of the activity peaks was consistent each year over the five-year study period. This information facilitates the correct timing of prophylactic insecticide sprays.
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The Cape Midlands: its demography (1911-1960) and regional income (1954/55-1959/60)Banach, John A 09 December 2013 (has links)
The area covered in this survey of the Cape Midlands is roughly that portion of the Eastern Cape Province which looks to Port Elizabeth as its principal industrial and market centre where the density of the population is the closest. It lies generally within the geographical region described by Professor J.V.L. Rennie as the Eastern Province Midlands Area. "The Midlands area appears to include all that part of the Eastern Province lying west of the Great Fish and Tark rivers and at least as far inland as the Great Escarpment. The term (Cape Midlands) is commonly applied to local organisations in the larger inland centres of Graaff-Reinet and Port Elizabeth interests. Intro. p.1-2
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The junior secondary course of the Cape Province and the dull-normal child : (a pilot study based on research in the Border area and the North-Eastern districts)Loots, Francois Jacobus January 1960 (has links)
[Aims of Dissertation and Investigation, p. ix-x] The aim of this dissertation is to analyse and evaluate the results of the new junior secondary course in respect of the dull-normal child ... How well did the junior secondary course succeed in meeting the needs of the dull-normal child? That is the question which this investigation will attempt to answer.
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An analysis of Wesleyan missionary strategy in the eastern districts of the Cape Colony and "Caffreland" between 1823 and 1838, and an attempt to determine how far it reacted to government policies in the CapeDuff, Allen Ernest George January 1969 (has links)
The purpose of this thesis has been to trace and examine the development of Wesleyan attitudes, and the actions which resulted therefrom towards the task of the evangelisation of the eastern districts of the Cape Colony and "Caffreland". These attitudes were conditioned throughout by the fact that they held certain religious principles as paramount. It is an attempt to clarify what was involved on the ecclesiastical side in this period of Wesleyan and South African history. A considerable amount of attention has been given, by various writers, to the history of the south-eastern area of South Africa in the first half of the nineteenth century. Some works have either been concerned with the more general history of the time or with the position of all the missionaries within the total political sphere. Others have concentrated on the Wesleyans particularly, either in a very general sense or in relation to one particular event, or the later decades or this half century. The period 1823 to 1833 was chosen because it covered the period of the origin of Wesleyan strategy and its first distinct phases. Where after it may be considered to have reached full maturity and become the basis of all future action in the succeeding decades. Wesleyan strategy was, to a large extent, a reaction to government policies and requires, throughout, such a consideration. The Wesleyan Missionary Society was chosen, not because on any denominational affiliations, but because of the part which it played in these areas during that time and has since played in the annuals of eastern Cape history. The approach has been to present the relevant documents in chronological order. This was done to emphasise the development over the years. Chapters have consequently been divided according to the stages or phases of this development. It has meant that subsidiary question which arise from this development have not been dealt with separately, but simply referred to as they occur. One point remains. Wesleyan correspondence from the Eastern Cape between 1837 and 1857 has disappeared from the archives of the Methodist Missionary Society in London. All attempts to trace these letters have proved futile. Consequently, it was necessary to reproduce a couple of quotes from letters contained in this correspondence which is referred to by D. Williams and C. Roxborough who had access to this material.
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The bouquet of freedom : social and economic relations in the Stellenbosch district, c1870-1900Scully, Pamela January 1987 (has links)
Bibliography: pages 112-130. / The thesis explores the effects on the wine growing district of Stellenbosch of the transformations in the political economy of the Cape Colony in the late nineteeth century. It is the first in depth study of Stellenbosch District and also contributes to other historical analyses concerned with the impact of industrialisation on rural society. Primary sources used include archival records, newspapers and the annual reports of the district branch of the Standard Bank. Labour legislation passed in the aftermath of slavery was most successful in tying labour to the farms when the labour market was confined to the agrarian sector. The mineral and transport revolutions of the late nineteenth century brought about the first major reformulation of social and economic relations in the Western Cape since emancipation. Between cl878 to 1896 wine farmers were hit by the general recession of the 1880s, by the excise tax on brandy, by phylloxera and by periodic labour shortages. Farmers, especially those capitalising their agricultural production, looked to the Zuid Afrikaansche Boere Beskermings Vereeniging and later the amalgamated Afrikaner Bond to press for state aid to wine farmers. In the late nineteenth century farmers finally experienced the implications of the proletarianisation of the rural underclass. Many labourers left to work in the growing urban sector, on the Public Works or in self employment as market gardeners. Farmers in Stellenbosch, like their peers in other societies confronting the implications of industrialisation, regarded labour mobility as illegitimate. They felt threatened by outbreaks of arson and theft, but also by the labourers' new assertiveness. For a time labour relations on the farms took place in a context where labourers had a measure of leverage against the power of the farmer. By 1910 the farmers' world had been righted and this was no longer the case.
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'n Multi-dissiplinere jeugregstelsel vir die landdrosdistrik van KaapstadNilsson, Niels 03 1900 (has links)
Thesis (MPA)--Stellenbosch University, 2000. / ENGLISH ABSTRACT: The focus in this research report is the violation of the constitutional rights of a young person in
conflict with the law in the Cape Town Magisterial District. This violation is caused by the lack
of collaboration between the different role players. The situation can be rectified with a policy
intervention which will ensure multi-disciplinary collaboration between the role players.
The researcher proves that stipulations in section 28 of the Constitution, Act 108 of 1996, are
violated because the different role players in the juvenile justice system of Cape Town
magisterial district work in a fragmented manner and do not operate as a unit. The young person
in conflict with law is harmed in this process. The situation can be rectified through a policy
intervention. The policy intervention entails a uniform administrative procedure, the drafting and
implementation of a working agreement between the role players, establishing a communication
network, combined and integrated training and a multi-disciplinary committee that evaluates and
monitors these aspects. / AFRIKAANSE OPSOMMING: Die fokus van hierdie navorsingverslag is die skending van die grondwetlike regte van die jong
persoon in botsing met die gereg binne die Kaapstad se landdrosdistrik. Die skendings is vanweë
die gebrek aan samewerking tussen die verskillende rolspelers. Die situasie kan deur middel van
'n beleidintervensie reggestel word ten einde multi-dissiplinêre samewerking tussen die
rolspelers te verseker.
Die navorser bewys dat bepalings in artikel 28 van die Grondwet, Wet 108 van 1996, geskend
word omdat die verskillende rolspelers in die jeugregstel van Kaapstad se landdrosdistrik
gefragmenteerd werk en nie as 'n eenheid funksioneer nie. Die jong persoon in botsing met die
gereg word benadeel in die proses. Die situasie kan deur middel van 'n beleidsintervensie
reggestel word. Die beleidsintervensie behels dat daar 'n eenvormige administratiewe proses
gevolg word, 'n samewerkingsooreenkoms tussen die rolspelers opgestel word, 'n
kommunikasienetwerk gevestig word, gesamentlike en geïntegreerde opleiding plaasvind en dat
'n multi-dissiplinêre komitee die gemelde aspekte evalueer en moniteer.
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The governorship of Sir Galbraith Lowry ColeScheepers, Unus January 1940 (has links)
From Conclusion: There were no great upheavals during Cole's governership, but his rule has been a very interesting study. The old order of things was coming to a close. The way was prepared under Cole for freeing of the slaves; and the old despotic rule became a thing of the past. The British Settlers agitated for and obtained a free press; thus the foundation was laid for democratic institutions. He was the first governor to lay emphasis on the necessity of municipal councils not only as a way of decreasing expenditure, but also as a school for representative government. The Boers were becoming race conscious and the present orientation of the political parties had their origin in this period, though subsequent events have made the political struggle embittered. Above all the stage was being set for the Great Trek and the opening up of the whole of the present Union of South Africa and Rhodesia ... Last but not least the native question was entering upon its modern phase. Chiefs were losing their power, they admitted that they could not control their subjects, and natives were entering the service of Europeans; not only to steal with greater impunity but also to be able to enjoy the security offered by a well organised and disciplined society.
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Die geskiedenis van wynbou en wynhandel in die Kaapkolonie, 1795-1860Van Zyl, D. J. 12 1900 (has links)
Thesis (DPhil)--Stellenbosch University, 1973 / See Item for full text / Voorwoord: Omdat daar in die Suid-Afrikaanse Geskiedskrywing 'n groot
leemte aan werke oor die ekonomiese geskiedenis bestaan, ek
persoonlik baie in die geskiedenis van landbou in Suid-Afrika
belangstel en daar nog feitlik geen argivale navorsing oor die
geskiedenis van wynbou en wynhandel na 1795 gedoen is nie,
het ek besluit om 'n verdere studie van laasgenoemde onderwerp
te maak tot 1860. In hierdie jaar is die vryhandelsooreenkoms
tussen Brittanje en Frankryk gesluit, wat meegebring het dat
die voorkeurtariewe wat Brittanje in 1813 op Kaapse wyn ingestel
he+, beeindig is. Die beeindiging van die voorkeurtariewe
het tot 'n ineenstorting van die Britse mark vir Kaapse
wyn, en daarmee ook die totale wynuitvoerhandel van die Kaapkolonie,
gelei. Hiermee het die Kaapse wynboubedryf 'n kruispad
bereik. Om hierdie redes vorm die jaar 1860 'n logiese afsluitingsdatum
vir hierdie proefskrif.
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The cuff and the collar : a contemporary representation of seventeenth century symbols of power and oppression at the Cape of Good HopeKruger, Carla Maxine 04 1900 (has links)
Thesis (MA(VA))--Stellenbosch University, 2014. / ENGLISH ABSTRACT: This thesis examines the extent to which the cuff and the collar as semiotic entities played
a significant role in the symbolic expression of power and oppression in the seventeenth
century Cape of Good Hope. These entities were visually naturalised by the Eurocentric
imperialist hegemony at the Cape and offered as undisputed ‘truth’. These symbols
permeated the collective consciousness of the society at the Cape on both a physical and
cognitive level. The white ruff and cuffs, and the shackles of the slaves represented
physical restraints, whilst mentally the slaves were confronted with identity construction
and deconstruction. ‘The self’ was pitted against ‘the Other’, and these European values
and hierarchies were enforced on the society at the Cape by creating dualistic
relationships. An identity implies a certain amount of power. For this reason, the Europeans
stripped the slaves of their identities in order to gain control over them. This theory,
together with the investigation into the hybrid characteristic of culture as a product of
colonialism and slavery at the Cape, will be established concurrently with the aim of my
practical work — The Ruff/Rough Collection, The Shackle Collection, and The Soft Steel
Collection. This body of work aims to deconstruct the boundaries and hierarchies
established by the cuff and the collar (as symbols of the power and oppression paradigm)
at the Cape. / AFRIKAANSE OPSOMMING: Hierdie tesis ondersoek die mate waarin die mouboordjie (‘cuff’) en die kraag (‘collar’) as
semiotiese entiteite ’n beduidende rol gespeel het in die simboliese uitdrukking van mag en
onderdrukking aan die Kaap de Goede Hoop in die sewentiende eeu. Hierdie simbole is
visueel deur die Eurosentriese imperialistiese leierskap ingevoer en as onbetwisbare
waarheid van hul mag en heerskappy voorgehou. Dié simbole het die kollektiewe bewussyn
van die samelewing aan die Kaap op ’n fisieke en geestelike vlak geïnfiltreer. Die wit
plooikraag (‘ruff’) wat die Europeërs gedra het om hulself as ‘meesters’ te vestig, en die
boeie van die slawe het fisieke beperkings verteenwoordig, terwyl die slawe geestelik
gekonfronteer is met die opbou en afbreek van hulle identiteit. ‘Die ek’ is teen ‘die
Ander’gestel en Europese waardes is op grond van die Eurosentriese ingesteldheid van die
‘meesters’ op die samelewing afgedwing as ‘n dualistiese verhouding. ’n Identiteit
impliseer ’n sekere graad van mag. Daarom het die Europeërs die slawe van hulle identiteit
gestroop om sodoende mag oor hulle te verkry. Hierdie teorie, asook die ondersoek na die
hibridiese eienskap van kultuur as ’n produk van kolonialisme en slawerny aan die Kaap,
sal konkurrent met die doel van my praktiese werk — The Ruff/Rough Collection, The
Shackle Collection en The Soft Steel Collection — gevestig word. Die doel van hierdie
versameling kontemporêre juweliersware is om die grense en hiërargieë te dekonstrueer,
wat deur die mouboordjie (‘cuff’) en die kraag (‘collar’) (as simbole van die mag- en
onderdrukkingsparadigma) tot stand gebring is aan die Kaap de Goede Hoop.
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