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dc.contributor.author
Arnold, S.E.J.
dc.contributor.author
Bridgemohan, P.
dc.contributor.author
Perry, G.B.
dc.contributor.author
Spinelli, Gustavo Ricardo
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dc.contributor.author
Pierre, B.
dc.contributor.author
Murray, Federico
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Haughton, C.
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Dockery, O.
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Grey, L.
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Murphy, S.T.
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Belmain, S.R.
dc.contributor.author
Stevenson, P.C.
dc.date.available
2019-09-23T15:41:27Z
dc.date.issued
2018-02
dc.identifier.citation
Arnold, S.E.J.; Bridgemohan, P.; Perry, G.B.; Spinelli, Gustavo Ricardo; Pierre, B.; et al.; The significance of climate in the pollinator dynamics of a tropical agroforestry system; Elsevier Science; Agriculture, Ecosystems and Environment; 254; 2-2018; 1-9
dc.identifier.issn
0167-8809
dc.identifier.uri
http://hdl.handle.net/11336/84121
dc.description.abstract
Even though many globally important tropical agroforestry crops are partially or completely dependent on insect pollination, the conditions influencing pollinator abundance in these systems are often incompletely understood. This is particularly the case for cocoa midges (Diptera: Ceratopogonidae), which are essential for cocoa pollination and thus yield, but agro-ecological management frequently neglects them. We report the first assessment of cocoa midge population dynamics from two Caribbean countries across a full year, and relate this to seasonal climate variables. We used static suction traps along transects to sample insects monthly, from six cocoa farms across three Caribbean islands, with a particular focus on known pollinators of cocoa. A total of over 87,000 insects were captured, including more than 1800 cocoa midges. Midges were present in all months of the survey and on all sites, but typically comprised less than 2% of the total insects caught. At least twelve different species of cocoa midges were identified from this survey. The previous month's rainfall positively predicted cocoa midge absolute abundance and further analysis also revealed a relationship between rainfall and relative midge abundance. In particular, during drought periods, midge numbers were very low, consistent with their larval ecology. Humidity and mean daily maximum and minimum temperatures did not relate to midge abundance. Rainfall negatively influenced the Shannon-Weaver index. The findings highlight the possible threat of droughts to cocoa pollination services and the importance of proactive farm management to support them.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Agroecology
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Agroforestry
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Biodiversity
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Ceratopogonidae
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Pollination
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Rainfall
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Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
The significance of climate in the pollinator dynamics of a tropical agroforestry system
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-07-24T18:33:44Z
dc.journal.volume
254
dc.journal.pagination
1-9
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Arnold, S.E.J.. University of Greenwich; Reino Unido
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Fil: Bridgemohan, P.. University of Trinidad and Tobago; Trinidad y Tobago
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Fil: Perry, G.B.. University of Trinidad and Tobago; Trinidad y Tobago
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Fil: Spinelli, Gustavo Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Entomología; Argentina
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Fil: Pierre, B.. University of Trinidad and Tobago; Trinidad y Tobago
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Fil: Murray, Federico. University of the West Indies; Jamaica
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Fil: Haughton, C.. University of the West Indies; Jamaica
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Fil: Dockery, O.. University of the West Indies; Jamaica
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Fil: Grey, L.. Cocoa Industry Board; Jamaica
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Fil: Murphy, S.T.. CABI; Reino Unido
dc.description.fil
Fil: Belmain, S.R.. University of Greenwich; Reino Unido
dc.description.fil
Fil: Stevenson, P.C.. University of Greenwich; Reino Unido. Royal Botanic Gardens; Reino Unido
dc.journal.title
Agriculture, Ecosystems and Environment
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0167880917305030
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.agee.2017.11.013
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