The use of archaeological and ethnographical information to supplement the historical record of the distribution of large mammalian herbivores in South Africa
Introduction: The introduction of animal taxa to areas where they do not naturally occur has the potential to damage severely the native fauna and flora. Introductions, both accidental and intentional, to Australia, New Zealand, Marion Island and other oceanic islands provide spectacular examples of...
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ftrhodesunivcory:vital:6914 2024-05-19T07:43:49+00:00 The use of archaeological and ethnographical information to supplement the historical record of the distribution of large mammalian herbivores in South Africa Bernard, Ric T F Parker, Daniel M 2006 3 pages pdf http://hdl.handle.net/10962/d1011877 https://corycommons.ru.ac.za/vital/access/manager/Repository/vital:6914 English eng vital:6914 https://corycommons.ru.ac.za/vital/access/manager/Repository/vital:6914 http://hdl.handle.net/10962/d1011877 Article 2006 ftrhodesunivcory 2024-05-02T02:24:12Z Introduction: The introduction of animal taxa to areas where they do not naturally occur has the potential to damage severely the native fauna and flora. Introductions, both accidental and intentional, to Australia, New Zealand, Marion Island and other oceanic islands provide spectacular examples of this.1,2 Non-native mammalian herbivores often become invasive in the absence of their natural predators2 and their impact on vegetation, which may include alterations to plant species composition, structure and diversity, is exaggerated, especially if the vegetation has evolved in the absence of similar herbivores.3,4 This influence is not limited to the direct consequence for the vegetation and there may be a cascade effect on ecosystem functioning through, for example, a decline in the amount of available forage for indigenous herbivores,3 a reduction in the breeding efficiency of birds that rely on the vegetation,5,6 and a negative effect on carbon storage by transforming stands of dense vegetative cover to open savannah like systems.7 Nor are these outcomes restricted to non-native herbivores; the re-introduction of a species, such as the elephant (Loxodonta africana), to areas from which it has been absent for many years may have similar consequences.8–11 Additional problems associated with the uncontrolled movement of large mammals include the transmission of disease, such as brucellosis in the United States,3 and a threat to the genetic integrity of a species through hybridization.12 It is thus clear that deliberate introductions of herbivores to areas where they do not naturally occur may not be sound conservation practice. Article in Journal/Newspaper Marion Island Rhodes University Cory: Repository |
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Introduction: The introduction of animal taxa to areas where they do not naturally occur has the potential to damage severely the native fauna and flora. Introductions, both accidental and intentional, to Australia, New Zealand, Marion Island and other oceanic islands provide spectacular examples of this.1,2 Non-native mammalian herbivores often become invasive in the absence of their natural predators2 and their impact on vegetation, which may include alterations to plant species composition, structure and diversity, is exaggerated, especially if the vegetation has evolved in the absence of similar herbivores.3,4 This influence is not limited to the direct consequence for the vegetation and there may be a cascade effect on ecosystem functioning through, for example, a decline in the amount of available forage for indigenous herbivores,3 a reduction in the breeding efficiency of birds that rely on the vegetation,5,6 and a negative effect on carbon storage by transforming stands of dense vegetative cover to open savannah like systems.7 Nor are these outcomes restricted to non-native herbivores; the re-introduction of a species, such as the elephant (Loxodonta africana), to areas from which it has been absent for many years may have similar consequences.8–11 Additional problems associated with the uncontrolled movement of large mammals include the transmission of disease, such as brucellosis in the United States,3 and a threat to the genetic integrity of a species through hybridization.12 It is thus clear that deliberate introductions of herbivores to areas where they do not naturally occur may not be sound conservation practice. |
format |
Article in Journal/Newspaper |
author |
Bernard, Ric T F Parker, Daniel M |
spellingShingle |
Bernard, Ric T F Parker, Daniel M The use of archaeological and ethnographical information to supplement the historical record of the distribution of large mammalian herbivores in South Africa |
author_facet |
Bernard, Ric T F Parker, Daniel M |
author_sort |
Bernard, Ric T F |
title |
The use of archaeological and ethnographical information to supplement the historical record of the distribution of large mammalian herbivores in South Africa |
title_short |
The use of archaeological and ethnographical information to supplement the historical record of the distribution of large mammalian herbivores in South Africa |
title_full |
The use of archaeological and ethnographical information to supplement the historical record of the distribution of large mammalian herbivores in South Africa |
title_fullStr |
The use of archaeological and ethnographical information to supplement the historical record of the distribution of large mammalian herbivores in South Africa |
title_full_unstemmed |
The use of archaeological and ethnographical information to supplement the historical record of the distribution of large mammalian herbivores in South Africa |
title_sort |
use of archaeological and ethnographical information to supplement the historical record of the distribution of large mammalian herbivores in south africa |
publishDate |
2006 |
url |
http://hdl.handle.net/10962/d1011877 https://corycommons.ru.ac.za/vital/access/manager/Repository/vital:6914 |
genre |
Marion Island |
genre_facet |
Marion Island |
op_relation |
vital:6914 https://corycommons.ru.ac.za/vital/access/manager/Repository/vital:6914 http://hdl.handle.net/10962/d1011877 |
_version_ |
1799483564319834112 |