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dc.contributor.author
Morán López, Teresa
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dc.contributor.author
Forner, Alicia
dc.contributor.author
Flores Rentería, Dulce
dc.contributor.author
Díaz, Mario
dc.contributor.author
Valladares, Fernando
dc.date.available
2019-02-22T20:22:04Z
dc.date.issued
2016-06
dc.identifier.citation
Morán López, Teresa; Forner, Alicia; Flores Rentería, Dulce; Díaz, Mario; Valladares, Fernando; Some positive effects of the fragmentation of holm oak forests: Attenuation of water stress and enhancement of acorn production; Elsevier Science; Forest Ecology and Management; 370; 6-2016; 22-30
dc.identifier.issn
0378-1127
dc.identifier.uri
http://hdl.handle.net/11336/70746
dc.description.abstract
The effects of fragmentation on acorn production should be mediated by their impacts on the physiological status of oaks during seed development particularly in water-limited systems, such as Mediterranean forests. The creation of forests edges reduces tree-to-tree competition, which may in turn temper water shortage during summer and, as a result, enhance acorn production. To test these two hypotheses we monitored acorn production and predawn water potential during the 2012-2014 period in two holm oak (Quercus ilex) forest archipelagos of the Iberian Peninsula.Acorn production and fragmentation effects did not differ between localities despite of their contrasting climatic conditions (accumulated water deficit from April to August was a 60% higher in the South). In general, forest interiors showed a high proportion of non-producing trees (~50%) while trees at small forest fragments showed high acorn crops (acorn score ≥3, ~40% of studied trees). Our results confirmed the expectation that intraspecific competition in small forest fragments was reduced, which alleviated summer water shortage of the trees studied. This reduced water stress entailed an increased acorn production. Overall, our results show that local processes such as fragmentation may counteract climatic differences among localities and could even override the impacts of increased aridity on acorn crops.
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
Acorn Production
dc.subject
Competition
dc.subject
Forest Fragmentation
dc.subject
Holm Oak
dc.subject
Quercus Ilex
dc.subject
Water Stress
dc.subject.classification
Otras Ciencias Biológicas
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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
Some positive effects of the fragmentation of holm oak forests: Attenuation of water stress and enhancement of acorn production
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-02-12T16:55:48Z
dc.journal.volume
370
dc.journal.pagination
22-30
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Morán López, Teresa. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Consejo Superior de Investigaciones Científicas; España
dc.description.fil
Fil: Forner, Alicia. Consejo Superior de Investigaciones Científicas; España
dc.description.fil
Fil: Flores Rentería, Dulce. Consejo Superior de Investigaciones Científicas; España
dc.description.fil
Fil: Díaz, Mario. Consejo Superior de Investigaciones Científicas; España
dc.description.fil
Fil: Valladares, Fernando. Consejo Superior de Investigaciones Científicas; España
dc.journal.title
Forest Ecology and Management
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.foreco.2016.03.042
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0378112716301189
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