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Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape

2021-09Journal article Open access
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dc.contributor.authorC. Afonso, Beatriz
dc.contributor.authorSwanepoel, Lourens H.
dc.contributor.authorRosa, Beatriz
dc.contributor.authorMarques, Tiago A.
dc.contributor.authorRosalino, L. M.
dc.contributor.authorSantos-Reis, Margarida
dc.contributor.authorCurveira-Santos, Gonçalo
dc.date.accessioned2021-10-06T18:57:35Z
dc.date.available2021-10-06T18:57:35Z
dc.date.issued2021-09
dc.description.abstractSouth 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.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAfonso, B.C.; Swanepoel, L.H.; Rosa, B.P.; Marques, T.A.; Rosalino, L.M.; Santos-Reis, M.; Curveira-Santos, G. Patterns and Drivers of Rodent Abundance across a South African Multi-Use Landscape. Animals 2021, 11, 2618. https://doi.org/10.3390/ani11092618pt_PT
dc.identifier.doi10.3390/ani11092618pt_PT
dc.identifier.issn2076-2615
dc.identifier.urihttp://hdl.handle.net/10451/49804
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationSouth African National Research Foundation UID 107099&115040pt_PT
dc.relation.publisherversionhttps://www.mdpi.com/2076-2615/11/9/2618pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectnon-invasive samplingpt_PT
dc.subjectecological modellingpt_PT
dc.subjectmanagement optionspt_PT
dc.subjectconservationpt_PT
dc.titlePatterns and Drivers of Rodent Abundance across a South African Multi-Use Landscapept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/157405/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/157257/PT
oaire.citation.issue9pt_PT
oaire.citation.startPage2618pt_PT
oaire.citation.titleAnimalspt_PT
oaire.citation.volume11pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameC. Afonso
person.familyNameRosalino
person.familyNameSantos-Reis
person.familyNameCurveira-Santos
person.givenNameBeatriz
person.givenNameLuís Miguel
person.givenNameMargarida
person.givenNameGonçalo
person.identifierB-9406-2009
person.identifier.ciencia-id4911-EF39-1845
person.identifier.ciencia-id9D1D-B42A-286C
person.identifier.ciencia-id4911-7756-340F
person.identifier.ciencia-id8A1F-4F83-C674
person.identifier.orcid0000-0003-3784-8024
person.identifier.orcid0000-0003-4186-7332
person.identifier.orcid0000-0002-0337-963X
person.identifier.orcid0000-0002-7136-5088
person.identifier.scopus-author-id6506527252
person.identifier.scopus-author-id6603189806
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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