Publicação
Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape
| Resumo: | South Africa’s decentralized approach to conservation entails that wildlife outside formally protected areas inhabit complex multi-use landscapes, where private wildlife business (ecotourism and/or hunting) co-exist in a human-dominated landscape matrix. Under decentralized conservation, wildlife is perceived to benefit from increased amount of available habitat, however it is crucial to understand how distinct management priorities and associated landscape modifications impact noncharismatic taxa, such as small mammals. We conducted extensive ink-tracking-tunnel surveys to estimate heterogeneity in rodent distribution and investigate the effect of different environmental factors on abundance patterns of two size-based rodent groups (small- and medium-sized species), across three adjacent management contexts in NE KwaZulu-Natal, South Africa: a private ecotourism game reserve, mixed farms and traditional communal areas (consisting of small clusters of houses interspersed with grazing areas and seminatural vegetation). Our hypotheses were formulated regarding the (1) area typology, (2) vegetation structure, (3) ungulate pressure and (4) human disturbance. Using a boosted-regression-tree approach, we found considerable differences between rodent groups’ abundance and distribution, and the underlying environmental factors. The mean relative abundance of medium-sized species did not differ across the three management contexts, but small species mean relative abundance was higher in the game reserves, confirming an influence of the area typology on their abundance. Variation in rodent relative abundance was negatively correlated with human disturbance and ungulate presence. Rodent abundance seems to be influenced by environmental gradients that are directly linked to varying management priorities across land uses, meaning that these communities might not benefit uniformly by the increased amount of habitat promoted by the commercial wildlife industry. |
|---|---|
| Autores principais: | C. Afonso, Beatriz |
| Outros Autores: | Swanepoel, Lourens H.; Rosa, Beatriz; Marques, Tiago A.; Rosalino, L. M.; Santos-Reis, Margarida; Curveira-Santos, Gonçalo |
| Assunto: | non-invasive sampling ecological modelling management options conservation |
| Ano: | 2021 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Universidade de Lisboa |
| Idioma: | inglês |
| Origem: | Repositório da Universidade de Lisboa |
| _version_ | 1865920831114182656 |
|---|---|
| author | C. Afonso, Beatriz |
| author2 | Swanepoel, Lourens H. Rosa, Beatriz Marques, Tiago A. Rosalino, L. M. Santos-Reis, Margarida Curveira-Santos, Gonçalo |
| author2_role | author author author author author author |
| author_facet | C. Afonso, Beatriz C. Afonso, Beatriz Swanepoel, Lourens H. Rosa, Beatriz Marques, Tiago A. Rosalino, L. M. Santos-Reis, Margarida Curveira-Santos, Gonçalo Swanepoel, Lourens H. Rosa, Beatriz Marques, Tiago A. Rosalino, L. M. Santos-Reis, Margarida Curveira-Santos, Gonçalo |
| author_role | author |
| contributor_name_str_mv | Repositório Científico de Acesso Aberto da ULisboa |
| country_str | PT |
| creators_json_str | [{\"Person.name\":\"C. Afonso, Beatriz\",\"Person.identifier.orcid\":\"0000-0003-3784-8024\"},{\"Person.name\":\"Swanepoel, Lourens H.\"},{\"Person.name\":\"Rosa, Beatriz\"},{\"Person.name\":\"Marques, Tiago A.\"},{\"Person.name\":\"Rosalino, L. M.\",\"Person.identifier.orcid\":\"0000-0003-4186-7332\"},{\"Person.name\":\"Santos-Reis, Margarida\",\"Person.identifier.orcid\":\"0000-0002-0337-963X\"},{\"Person.name\":\"Curveira-Santos, Gonçalo\",\"Person.identifier.orcid\":\"0000-0002-7136-5088\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | Repositório Científico de Acesso Aberto da ULisboa |
| datacite.creators.creator.creatorName.fl_str_mv | C. Afonso, Beatriz Swanepoel, Lourens H. Rosa, Beatriz Marques, Tiago A. Rosalino, L. M. Santos-Reis, Margarida Curveira-Santos, Gonçalo |
| datacite.date.Accepted.fl_str_mv | 2021-09-01T00:00:00Z |
| datacite.date.available.fl_str_mv | 2021-10-06T18:57:35Z |
| datacite.date.embargoed.fl_str_mv | 2021-10-06T18:57:35Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| datacite.subjects.subject.fl_str_mv | non-invasive sampling ecological modelling management options conservation |
| datacite.titles.title.fl_str_mv | Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape |
| dc.contributor.none.fl_str_mv | Repositório Científico de Acesso Aberto da ULisboa |
| dc.creator.none.fl_str_mv | C. Afonso, Beatriz Swanepoel, Lourens H. Rosa, Beatriz Marques, Tiago A. Rosalino, L. M. Santos-Reis, Margarida Curveira-Santos, Gonçalo |
| dc.date.Accepted.fl_str_mv | 2021-09-01T00:00:00Z |
| dc.date.available.fl_str_mv | 2021-10-06T18:57:35Z |
| dc.date.embargoed.fl_str_mv | 2021-10-06T18:57:35Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | http://hdl.handle.net/10451/49804 |
| dc.language.none.fl_str_mv | eng |
| dc.publisher.none.fl_str_mv | MDPI |
| dc.rights.cclincense.fl_str_mv | http://creativecommons.org/licenses/by/4.0/ |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| dc.subject.none.fl_str_mv | non-invasive sampling ecological modelling management options conservation |
| dc.title.fl_str_mv | Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_6501 |
| description | South Africa’s decentralized approach to conservation entails that wildlife outside formally protected areas inhabit complex multi-use landscapes, where private wildlife business (ecotourism and/or hunting) co-exist in a human-dominated landscape matrix. Under decentralized conservation, wildlife is perceived to benefit from increased amount of available habitat, however it is crucial to understand how distinct management priorities and associated landscape modifications impact noncharismatic taxa, such as small mammals. We conducted extensive ink-tracking-tunnel surveys to estimate heterogeneity in rodent distribution and investigate the effect of different environmental factors on abundance patterns of two size-based rodent groups (small- and medium-sized species), across three adjacent management contexts in NE KwaZulu-Natal, South Africa: a private ecotourism game reserve, mixed farms and traditional communal areas (consisting of small clusters of houses interspersed with grazing areas and seminatural vegetation). Our hypotheses were formulated regarding the (1) area typology, (2) vegetation structure, (3) ungulate pressure and (4) human disturbance. Using a boosted-regression-tree approach, we found considerable differences between rodent groups’ abundance and distribution, and the underlying environmental factors. The mean relative abundance of medium-sized species did not differ across the three management contexts, but small species mean relative abundance was higher in the game reserves, confirming an influence of the area typology on their abundance. Variation in rodent relative abundance was negatively correlated with human disturbance and ungulate presence. Rodent abundance seems to be influenced by environmental gradients that are directly linked to varying management priorities across land uses, meaning that these communities might not benefit uniformly by the increased amount of habitat promoted by the commercial wildlife industry. |
| dirty | 0 |
| eu_rights_str_mv | openAccess |
| format | article |
| fulltext.url.fl_str_mv | https://repositorio.ulisboa.pt/bitstreams/e825159d-19d7-4aad-8211-b4222835db4a/download |
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| identifier.url.fl_str_mv | http://hdl.handle.net/10451/49804 |
| instacron_str | ul |
| institution | Universidade de Lisboa |
| instname_str | Universidade de Lisboa |
| language | eng |
| network_acronym_str | ul |
| network_name_str | Repositório da Universidade de Lisboa |
| oai_identifier_str | oai:repositorio.ulisboa.pt:10451/49804 |
| organization_str_mv | urn:organizationAcronym:ul |
| person_str_mv | C. Afonso, Beatriz C. Afonso, Beatriz https://www.ciencia-id.pt/4911-EF39-1845 4911-EF39-1845 http://orcid.org/0000-0003-3784-8024 0000-0003-3784-8024 Swanepoel, Lourens H. Rosa, Beatriz Marques, Tiago A. Rosalino, L. M. Rosalino, L. M. https://www.ciencia-id.pt/9D1D-B42A-286C 9D1D-B42A-286C http://orcid.org/0000-0003-4186-7332 0000-0003-4186-7332 Santos-Reis, Margarida Santos-Reis, Margarida https://www.ciencia-id.pt/4911-7756-340F 4911-7756-340F http://orcid.org/0000-0002-0337-963X 0000-0002-0337-963X Curveira-Santos, Gonçalo Curveira-Santos, Gonçalo https://www.ciencia-id.pt/8A1F-4F83-C674 8A1F-4F83-C674 http://orcid.org/0000-0002-7136-5088 0000-0002-7136-5088 |
| publishDate | 2021 |
| publisher.none.fl_str_mv | MDPI |
| reponame_str | Repositório da Universidade de Lisboa |
| repository_id_str | urn:repositoryAcronym:ul |
| service_str_mv | urn:repositoryAcronym:ul |
| spelling | engMDPIpt_PTSouth Africa’s decentralized approach to conservation entails that wildlife outside formally protected areas inhabit complex multi-use landscapes, where private wildlife business (ecotourism and/or hunting) co-exist in a human-dominated landscape matrix. Under decentralized conservation, wildlife is perceived to benefit from increased amount of available habitat, however it is crucial to understand how distinct management priorities and associated landscape modifications impact noncharismatic taxa, such as small mammals. We conducted extensive ink-tracking-tunnel surveys to estimate heterogeneity in rodent distribution and investigate the effect of different environmental factors on abundance patterns of two size-based rodent groups (small- and medium-sized species), across three adjacent management contexts in NE KwaZulu-Natal, South Africa: a private ecotourism game reserve, mixed farms and traditional communal areas (consisting of small clusters of houses interspersed with grazing areas and seminatural vegetation). Our hypotheses were formulated regarding the (1) area typology, (2) vegetation structure, (3) ungulate pressure and (4) human disturbance. Using a boosted-regression-tree approach, we found considerable differences between rodent groups’ abundance and distribution, and the underlying environmental factors. The mean relative abundance of medium-sized species did not differ across the three management contexts, but small species mean relative abundance was higher in the game reserves, confirming an influence of the area typology on their abundance. Variation in rodent relative abundance was negatively correlated with human disturbance and ungulate presence. Rodent abundance seems to be influenced by environmental gradients that are directly linked to varying management priorities across land uses, meaning that these communities might not benefit uniformly by the increased amount of habitat promoted by the commercial wildlife industry.application/pdfpt_PTPatterns and Drivers of Rodent Abundance across a South African Multi-Use LandscapePersonalC. Afonso, BeatrizDSpacehttp://dspace.org/items/d1c3b5c6-9503-442f-8619-abc0a872d8b9DSpacehttp://dspace.org/items/d1c3b5c6-9503-442f-8619-abc0a872d8b9C. AfonsoBeatrizCiência IDhttps://www.ciencia-id.pt4911-EF39-1845ORCIDhttp://orcid.org0000-0003-3784-8024Swanepoel, Lourens H.Rosa, BeatrizMarques, Tiago A.PersonalRosalino, L. M.DSpacehttp://dspace.org/items/99ace499-6e09-4d61-ac99-f5d815977526DSpacehttp://dspace.org/items/99ace499-6e09-4d61-ac99-f5d815977526RosalinoLuís MiguelCiência IDhttps://www.ciencia-id.pt9D1D-B42A-286CORCIDhttp://orcid.org0000-0003-4186-7332Scopus Author IDhttps://www.scopus.com6506527252PersonalSantos-Reis, MargaridaDSpacehttp://dspace.org/items/7b16b1ea-769c-4c3c-a2f5-b10bf4077f06DSpacehttp://dspace.org/items/7b16b1ea-769c-4c3c-a2f5-b10bf4077f06Santos-ReisMargaridaCiência IDhttps://www.ciencia-id.pt4911-7756-340FORCIDhttp://orcid.org0000-0002-0337-963XScopus Author IDhttps://www.scopus.com6603189806PersonalCurveira-Santos, GonçaloDSpacehttp://dspace.org/items/9d00c2ba-6387-4a6b-83c0-976b857b6830DSpacehttp://dspace.org/items/9d00c2ba-6387-4a6b-83c0-976b857b6830Curveira-SantosGonçaloCiência IDhttps://www.ciencia-id.pt8A1F-4F83-C674ORCIDhttp://orcid.org0000-0002-7136-5088HostingInstitutionOrganizationalRepositório Científico de Acesso Aberto da ULisboae-mailmailto:repositorio@reitoria.ulisboa.ptrepositorio@reitoria.ulisboa.ptISSNIsPartOf2076-2615DOIIsPartOf10.3390/ani110926182021-10-06T18:57:35Z2021-092021-09-01T00:00:00ZHandlehttp://hdl.handle.net/10451/49804http://purl.org/coar/access_right/c_abf2open accessnon-invasive samplingecological modellingmanagement optionsconservation2609593 bytesliteraturehttp://purl.org/coar/resource_type/c_6501journal article2021-09http://creativecommons.org/licenses/by/4.0/http://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://repositorio.ulisboa.pt/bitstreams/e825159d-19d7-4aad-8211-b4222835db4a/downloadAnimals1192618 |
| spellingShingle | Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape C. Afonso, Beatriz non-invasive sampling ecological modelling management options conservation C. Afonso, Beatriz non-invasive sampling ecological modelling management options conservation |
| status | SINGLETON |
| subject.fl_str_mv | non-invasive sampling ecological modelling management options conservation |
| title | Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape |
| title_full | Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape |
| title_fullStr | Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape |
| title_full_unstemmed | Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape |
| title_short | Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape |
| title_sort | Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape |
| topic | non-invasive sampling ecological modelling management options conservation |
| topic_facet | non-invasive sampling ecological modelling management options conservation |
| url | http://hdl.handle.net/10451/49804 |
| visible | 1 |