Long‐term spatio‐temporal changes in a West African bushmeat trade system
Identifieur interne : 000572 ( Ncbi/Merge ); précédent : 000571; suivant : 000573Long‐term spatio‐temporal changes in a West African bushmeat trade system
Auteurs : J. Mcnamara ; J. M. Kusimi ; J. M. Rowcliffe ; G. Cowlishaw ; A. Brenyah ; E. J. Milner-GullandSource :
- Conservation Biology [ 0888-8892 ] ; 2015.
Descripteurs français
- Wicri :
- geographic : Ghana.
English descriptors
- KwdEn :
- MESH :
- geographic : Ghana.
- economics : Meat.
- physiology : Mammals.
- Animals, Biodiversity, Commerce, Conservation of Natural Resources, Ecosystem, Population Dynamics, Transportation.
Abstract
Landscapes in many developing countries consist of a heterogeneous matrix of mixed agriculture and forest. Many of the generalist species in this matrix are increasingly traded in the bushmeat markets of West and Central Africa. However, to date there has been little quantification of how the spatial configuration of the landscape influences the urban bushmeat trade over time. As anthropogenic landscapes become the face of rural West Africa, understanding the dynamics of these systems has important implications for conservation and landscape management. The bushmeat production of an area is likely to be defined by landscape characteristics such as habitat disturbance, hunting pressure, level of protection, and distance to market. We explored (SSG, tense) the role of these four characteristics in the spatio‐temporal dynamics of the commercial bushmeat trade around the city of Kumasi, Ghana, over 27 years (1978 to 2004). We used geographic information system methods to generate maps delineating the spatial characteristics of the landscapes. These data were combined with spatially explicit market data collected in the main fresh bushmeat market in Kumasi to explore the relationship between trade volume (measured in terms of number of carcasses) and landscape characteristics. Over time, rodents, specifically cane rats (
Url:
DOI: 10.1111/cobi.12545
PubMed: 26104770
PubMed Central: 4745032
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PMC:4745032Le document en format XML
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<p>Landscapes in many developing countries consist of a heterogeneous matrix of mixed agriculture and forest. Many of the generalist species in this matrix are increasingly traded in the bushmeat markets of West and Central Africa. However, to date there has been little quantification of how the spatial configuration of the landscape influences the urban bushmeat trade over time. As anthropogenic landscapes become the face of rural West Africa, understanding the dynamics of these systems has important implications for conservation and landscape management. The bushmeat production of an area is likely to be defined by landscape characteristics such as habitat disturbance, hunting pressure, level of protection, and distance to market. We explored (SSG, tense) the role of these four characteristics in the spatio‐temporal dynamics of the commercial bushmeat trade around the city of Kumasi, Ghana, over 27 years (1978 to 2004). We used geographic information system methods to generate maps delineating the spatial characteristics of the landscapes. These data were combined with spatially explicit market data collected in the main fresh bushmeat market in Kumasi to explore the relationship between trade volume (measured in terms of number of carcasses) and landscape characteristics. Over time, rodents, specifically cane rats (<roman>Thryonomys swinderianus</roman>
), became more abundant in the trade relative to ungulates and the catchment area of the bushmeat market expanded. Areas of intermediate disturbance supplied more bushmeat, but protected areas had no effect. Heavily hunted areas showed significant declines in bushmeat supply over time. Our results highlight the role that low intensity, heterogeneous agricultural landscapes can play in providing ecosystem services, such as bushmeat, and therefore the importance of incorporating bushmeat into ecosystem service mapping exercises. Our results also indicate that even where high bushmeat production is possible, current harvest levels may cause wildlife depletion.</p>
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), became more abundant in the trade relative to ungulates and the catchment area of the bushmeat market expanded. Areas of intermediate disturbance supplied more bushmeat, but protected areas had no effect. Heavily hunted areas showed significant declines in bushmeat supply over time. Our results highlight the role that low intensity, heterogeneous agricultural landscapes can play in providing ecosystem services, such as bushmeat, and therefore the importance of incorporating bushmeat into ecosystem service mapping exercises. Our results also indicate that even where high bushmeat production is possible, current harvest levels may cause wildlife depletion.</p>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Long-term spatio-temporal changes in a West African bushmeat trade system.</title>
<author><name sortKey="Mcnamara, J" sort="Mcnamara, J" uniqKey="Mcnamara J" first="J" last="Mcnamara">J. Mcnamara</name>
<affiliation wicri:level="1"><nlm:affiliation>Imperial College London, Division of Biology, Silwood Park Campus, Manor House, Buckhurst Road, Ascot, Berks, SL5 7PY, United Kingdom.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Imperial College London, Division of Biology, Silwood Park Campus, Manor House, Buckhurst Road, Ascot, Berks, SL5 7PY</wicri:regionArea>
<wicri:noRegion>SL5 7PY</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Kusimi, J M" sort="Kusimi, J M" uniqKey="Kusimi J" first="J M" last="Kusimi">J M Kusimi</name>
<affiliation wicri:level="1"><nlm:affiliation>Institute of Zoology, Zoological Society of London, Regents Park, London, NW1 4RY, United Kingdom.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Institute of Zoology, Zoological Society of London, Regents Park, London, NW1 4RY</wicri:regionArea>
<wicri:noRegion>NW1 4RY</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Rowcliffe, J M" sort="Rowcliffe, J M" uniqKey="Rowcliffe J" first="J M" last="Rowcliffe">J M Rowcliffe</name>
<affiliation wicri:level="1"><nlm:affiliation>University of Ghana, Legon, Accra, Ghana.</nlm:affiliation>
<country xml:lang="fr">Ghana</country>
<wicri:regionArea>University of Ghana, Legon, Accra</wicri:regionArea>
<wicri:noRegion>Accra</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Cowlishaw, G" sort="Cowlishaw, G" uniqKey="Cowlishaw G" first="G" last="Cowlishaw">G. Cowlishaw</name>
<affiliation wicri:level="1"><nlm:affiliation>Institute of Zoology, Zoological Society of London, Regents Park, London, NW1 4RY, United Kingdom.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Institute of Zoology, Zoological Society of London, Regents Park, London, NW1 4RY</wicri:regionArea>
<wicri:noRegion>NW1 4RY</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Brenyah, A" sort="Brenyah, A" uniqKey="Brenyah A" first="A" last="Brenyah">A. Brenyah</name>
<affiliation wicri:level="1"><nlm:affiliation>Ghana Wildlife Division, Forestry Commission, Accra, Ghana.</nlm:affiliation>
<country xml:lang="fr">Ghana</country>
<wicri:regionArea>Ghana Wildlife Division, Forestry Commission, Accra</wicri:regionArea>
<wicri:noRegion>Accra</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Milner Gulland, E J" sort="Milner Gulland, E J" uniqKey="Milner Gulland E" first="E J" last="Milner-Gulland">E J Milner-Gulland</name>
<affiliation wicri:level="1"><nlm:affiliation>Imperial College London, Division of Biology, Silwood Park Campus, Manor House, Buckhurst Road, Ascot, Berks, SL5 7PY, United Kingdom.</nlm:affiliation>
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Imperial College London, Division of Biology, Silwood Park Campus, Manor House, Buckhurst Road, Ascot, Berks, SL5 7PY</wicri:regionArea>
<wicri:noRegion>SL5 7PY</wicri:noRegion>
</affiliation>
</author>
</analytic>
<series><title level="j">Conservation biology : the journal of the Society for Conservation Biology</title>
<idno type="eISSN">1523-1739</idno>
<imprint><date when="2015" type="published">2015</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term>
<term>Biodiversity</term>
<term>Commerce</term>
<term>Conservation of Natural Resources</term>
<term>Ecosystem</term>
<term>Ghana</term>
<term>Mammals (physiology)</term>
<term>Meat (economics)</term>
<term>Population Dynamics</term>
<term>Transportation</term>
</keywords>
<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Ghana</term>
</keywords>
<keywords scheme="MESH" qualifier="economics" xml:lang="en"><term>Meat</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Mammals</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Animals</term>
<term>Biodiversity</term>
<term>Commerce</term>
<term>Conservation of Natural Resources</term>
<term>Ecosystem</term>
<term>Population Dynamics</term>
<term>Transportation</term>
</keywords>
<keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Ghana</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Landscapes in many developing countries consist of a heterogeneous matrix of mixed agriculture and forest. Many of the generalist species in this matrix are increasingly traded in the bushmeat markets of West and Central Africa. However, to date there has been little quantification of how the spatial configuration of the landscape influences the urban bushmeat trade over time. As anthropogenic landscapes become the face of rural West Africa, understanding the dynamics of these systems has important implications for conservation and landscape management. The bushmeat production of an area is likely to be defined by landscape characteristics such as habitat disturbance, hunting pressure, level of protection, and distance to market. We explored (SSG, tense) the role of these four characteristics in the spatio-temporal dynamics of the commercial bushmeat trade around the city of Kumasi, Ghana, over 27 years (1978 to 2004). We used geographic information system methods to generate maps delineating the spatial characteristics of the landscapes. These data were combined with spatially explicit market data collected in the main fresh bushmeat market in Kumasi to explore the relationship between trade volume (measured in terms of number of carcasses) and landscape characteristics. Over time, rodents, specifically cane rats (Thryonomys swinderianus), became more abundant in the trade relative to ungulates and the catchment area of the bushmeat market expanded. Areas of intermediate disturbance supplied more bushmeat, but protected areas had no effect. Heavily hunted areas showed significant declines in bushmeat supply over time. Our results highlight the role that low intensity, heterogeneous agricultural landscapes can play in providing ecosystem services, such as bushmeat, and therefore the importance of incorporating bushmeat into ecosystem service mapping exercises. Our results also indicate that even where high bushmeat production is possible, current harvest levels may cause wildlife depletion.</div>
</front>
</TEI>
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