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Rainfall Patterns After Fire Differentially Affect the Recruitment of Three Mediterranean Shrubs : Volume 8, Issue 3 (21/06/2011)

By Moreno, J. M.

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Book Id: WPLBN0004005894
Format Type: PDF Article :
File Size: Pages 26
Reproduction Date: 2015

Title: Rainfall Patterns After Fire Differentially Affect the Recruitment of Three Mediterranean Shrubs : Volume 8, Issue 3 (21/06/2011)  
Author: Moreno, J. M.
Volume: Vol. 8, Issue 3
Language: English
Subject: Science, Biogeosciences, Discussions
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2011
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Luna, B., Pérez, B., Zuazua, E., De Dios, V. R., Moreno, J. M., & Velasco, A. (2011). Rainfall Patterns After Fire Differentially Affect the Recruitment of Three Mediterranean Shrubs : Volume 8, Issue 3 (21/06/2011). Retrieved from http://www.ebooklibrary.org/


Description
Description: Department of Environmental Sciences, University of Castilla-La Mancha, Toledo, Spain. In fire-prone environments, the event-dependent hypothesis states that plant population changes are driven by the unique set of conditions of a fire (e.g., fire season, climate). Climate variability, in particular changes in rainfall patterns, can be most important for seeder species, since they must regenerate after fire from seeds, and for Mediterranean shrublands, given the high yearly variability of rainfall in these ecosystems. Yet, the role of rainfall variability and its interaction with fire characteristics (e.g., fire season) on plant populations has received little attention. Here we investigated the changes in seedling emergence and recruitment of three seeder species (Cistus ladanifer, Erica umbellata and Rosmarinus officinalis) after fires lit during three different years and at two times during the fire season (early and late in the fire season) to account for potential changes in the soil seed-bank during the year. Three plots were burned at each season, for a total of 18 plots burned during the three years. After fire, emerged seedlings were tallied, tagged and monitored during three years (two the last burning year). Rainfall during the study period was rather variable, and in some years was well below average. Seedling emergence after fire varied by a factor of 3 to 10, depending on the species and on the burning year. The bulk of seedling emergence occurred in the first year after fire, and seedling recruitment at the end of the study period was tightly correlated with this early emergence. Seedling emergence in E umbellata and R officinalis, but not in C ladanifer, were correlated with precipitation in the fall and winter immediately after the fire, being E umbellata most sensitive to low rainfall. Fire season was generally not an important factor in controlling emergence and recruitment. We discuss how projected changes in rainfall patterns with global warming can alter the balance of species in this shrubland, and can drive some species to near local extinction.

Summary
Rainfall patterns after fire differentially affect the recruitment of three Mediterranean shrubs

Excerpt
Alcamo, J., Moreno, J. M., Nováky, B., Bindi, M., Corobov, R., Devoy, R. J. N., Giannakopoulos, C., Martin, E., Olesen, J. E., and Shvidenko, A.: Europe, in: Climate Change, 2007: Impacts, Adaptation and Vulnerability, Contribution of Working Group II to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, edited by: Parry, M. L., Canziani, O. F., Palutikof, J. P., van der Linden, P. J., and Hanson, C. E., Cambridge University Press, Cambridge, 541–580, 2007.; %Arianoutsou,~M. and Margaris,~N S.: Early stages of regeneration after fire %in a~phryganic ecosystem (East Mediterranean). I. Regeneration by seed %germination, Biologie-Ecologie Méditerraneenne, 8, 119–128, %1981.\blackboxJournal title abbreviation not found; Baskin, C. M. and Baskin, J. M.: Seeds. Ecology, Biogeography, and Evolution of Dormancy and Germination, Academic Press, San Diego, 1998.; Bastida, F. and Talavera, S.: Temporal and spatial patterns of seed dispersal in two Cistus species (Cistaceae), Ann. Bot.-London, 89, 427–434, 2002.; Benito Cebrián, N.: Brezales y brezos, Boletín Instituto Forestal de Investigaciones y Experiencias, 19, 5–67, 1948.; Besie, W. C. and Johnson, E. A.: The relative importance of fuel and weather on fire behavior in subalpine forests, Ecology, 76, 747–762, 1995.; Bond, W. J.: Fire survival of Cape Proteaceae-influence of fire season and seed predators, Vegetatio, 56, 65–74, 1984.; Bond , W. J. and van Wilgen, B. W.: Fire and Plants, Chapman and Hall, London, 1996.; Bond, W. J., Vlock, J., and Viviers, M.: Variation in seedling recruitment of cape Proteaceae after fire, J. Ecol., 72, 209–221, 1984.; Hodgkinson, K. C.: Shrub recruitment response to intensity and season of fire in a semiarid woodland, J. Appl. Ecol., 28, 60–70, 1991.; %Bradstock,~R A. and Bedward,~M.: Simulation of the effect of season of fire %on postfire seedling emergence of 2 banksia species based on long-term %rainfall records, Aust. J. Bot., 40, 75–88, 1992; Christensen, J. H., Hewitson, B., Busuioc, A., Chen, X., Gao, I., Held, R., Jones, R. K., Koli, W. T., Kwon, R., Laprise, V. M., Rueda, L., Mearns, C.  G., Menéndez, J., Räisänen, A., Rinke, A., Sarr, A., and Whetton,  P.: Regional climate projections, in: Climate Change, 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, edited by: Solomon, S., Qin, D., Manning, M., Chen, Z., Marquis, M., Averyt, K. B., Tignor, M., and Miller, H. L., Cambridge University Press, Cambridge, 847–940, 2007.; Clemente, A. S., Rego, F. C., and Correia, O. A.: Seed bank dynamics of two obligate seeders, Cistus monspeliensis and Rosmarinus officinalis, in relation to time since fire, Plant. Ecol., 190, 175–188, 2007.; de Luis, M., Raventos, J., and Gonzalez-Hidalgo, J. C.: Fire and torrential rainfall: effects on seedling establishement after fire in Mediterrranean gorse shrublands, Int. J. Wildland Fire, 14, 413–422, 2005.; %Diffenbaugh,~N S., Pal,~J S., Giorgi,~F., and Gao,~X.: Heat stress %intensification in the Mediterranean climate change hotspot, Geophys. Res. %Lett., 34, L11706, 2007.\blackboxPlease add page numbers or doi.; Esteban-Parra,&a

 

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