Space-time heterogeneity in the recovery after experimental burning and cutting in a Cistus laurifolius shrubland
Tarrega, R. ; Luis-Calabuig, E. ; Alonso, I.
Recovery after experimental burning and cutting in a shrubland of Cistus laurifolius in NW Spain has been studied. The community was homogeneous prior to the disturbances, and tended to recover through a process of autosuccession. It was tested whether in a small space (two 100 m2 plots) there was a greater similarity among individual subplots (1 m2) in five consecutive years, or among the five subplots considered in each plot in the same year. By comparing space and time beta diversity using analysis of variance, no significant differences were observed, which indicates that temporal changes are not of a greater magnitude than space heterogeneity, even on such a small scale. Changes in time are characterized by an increase in cover by woody species, mainly Cistus laurifolius, or a decrease in the diversity and richness of species. Space heterogeneity (differences between subplots) does not seem to be determined by environmental gradients, since the sampling surface is very small, and may be due to the effect of some annual or perennial species, which are not dominant and only appear in some subplots, probably due to random dispersal. ©1999 Kluwer Academic Publishers. Abstract reproduced with kind permission of Kluwer Academic Publishers.
Tarrega, R., E. Luis-Calabuig, and I. Alonso. 1997. Space-time heterogeneity in the recovery after experimental burning and cutting in a Cistus laurifolius shrubland. Plant Ecology, v. 129, p. 179-187.
abstract okay; Cistus; cover; cutting; disturbance; Europe; field experimental fires; fire effects; fire intensity; Mediterranean habitats; mosaic; pioneer species; post fire recovery; regeneration; sampling; shrublands; Spain; species diversity (plants); statistical analysis; succession; woody plants
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Fire Behavior; Fire Ecology; Fire Effects
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November 19, 2013
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