Daily whole-seedling transpiration determined by minilysimeters, allows the estimation of the water requirements of seedlings used for dryland afforestation

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Título: Daily whole-seedling transpiration determined by minilysimeters, allows the estimation of the water requirements of seedlings used for dryland afforestation
Autor/es: Ruiz-Yanetti, Samantha | Chirino Miranda, Esteban | Bellot Abad, Juan Francisco
Grupo/s de investigación o GITE: Gestión de Ecosistemas y de la Biodiversidad (GEB)
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ecología | Universidad de Alicante. Instituto Multidisciplinar para el Estudio del Medio "Ramón Margalef" | Centro de Estudios Ambientales del Mediterráneo (CEAM)
Palabras clave: Semiarid ecosystem | Reforestation | Transpiration rate | Minilysimeters
Área/s de conocimiento: Ecología
Fecha de publicación: ene-2016
Editor: Elsevier
Cita bibliográfica: Journal of Arid Environments. 2016, 124: 341-351. doi:10.1016/j.jaridenv.2015.08.017
Resumen: In dryland areas, knowledge of plant water requirements and water use strategies of species are essential for use in afforestation, to ensure the establishment of seedlings in the first summer after planting. In this context, we used minilysimeters to estimate the daily whole-plant transpiration requirements in seedlings of Pinus halepensis, Pistacia lentiscus and Quercus coccifera, which are frequently used in afforestation. This estimate was calculated according to the following two conditions: high-soil moisture and a drought period. The results in both conditions indicated the highest daily rate (0.90–1.33 L m−2 day−1) for Q. coccifera, P. lentiscus was moderate (0.50–0.75 L m−2 day−1) and P. halepensis showed the lowest rate (0.37–0.44 L m−2 day−1). Species response under drought conditions was in accordance with their drought-avoidance strategy. P. halepensis and P. lentiscus displayed a water-saver mechanism, while Q. coccifera exhibited a water-spender mechanism. Our results show that the use of minilysimeters is a suitable method to determine whole-seedling transpiration rate and to accurately estimate the water requirements of species used for afforestation in dryland areas.
Patrocinador/es: This research has been partially funded by a GRISOLIA programme grant (GRISOLIA/2010/093) from the Generalitat Valenciana and by the Spanish Ministry of Economy (CGL2011-30531-C02-01). The CEAM Foundation was founded by the Generalitat Valenciana. Chirino, E., thanks the Prometheus Project (SENESCYT, Ecuador) for funding his grant.
URI: http://hdl.handle.net/10045/53327
ISSN: 0140-1963 (Print) | 1095-922X (Online)
DOI: 10.1016/j.jaridenv.2015.08.017
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2015 Elsevier Ltd.
Revisión científica: si
Versión del editor: http://dx.doi.org/10.1016/j.jaridenv.2015.08.017
Aparece en las colecciones:INV - GEB - Artículos de Revistas

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