Authors: Reyes, Otilia; Casal, Mercedes

Source: Journal of Vegetation Science, Volume 19, Number 4, August 2008 , pp. 575-583(9)

Publisher: Opulus Press

Abstract:

Question: Is it possible to model the germinative and resprouting behaviour of plant species in Atlantic shrublands and woodlands in relation to fire intensity? Is it possible to recognise different functional regenerative types in these plant species?

Location: Galicia, NW Iberian Peninsula.

Methods: We explored the patterns of germination and resprouting plant responses in relation to different intensities of fire using data from 37 trees, shrubs and herbaceous species growing in Atlantic shrublands and woodlands.

Results: Synthesizing their germinative and resprouting behaviour, we created two graphical models: the Functional Germinative Model (FGM) and the Functional Sprouting Model (FSM). Integrating the germinative and resprouting responses, and taking into account fire intensity, we created the Functional Regenerative Model (FRM), which predicts the post-fire recuperation of the populations of each species. The FRM has been validated with data from four Atlantic communities. We identified four plant functional regenerative types (PFRT) for Atlantic forest vegetation and we propose three intensities of response.

Conclusions: The extracted models (FGM, FSM and FRM) and the grouping of species in four PFRTs could be applicable to more Atlantic species, to disturbance ecology in general and to population, community and landscape management.

Keywords: ATLANTIC AREA; FUNCTIONAL GERMINATIVE MODEL; FUNCTIONAL REGENERATIVE MODEL; FUNCTIONAL SPROUTING MODEL; NW IBERIAN PENINSULA; RECOVERY MODEL; WOODY PLANT ECOSYSTEM

Document Type: Research article

DOI: http://dx.doi.org/10.3170/2008-8-18412

Publication date: 2008-08-01

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• The Journal of Vegetation Science publishes original articles, short notes and review articles in the field of vegetation science, both methodological and theoretical studies, and descriptive and experimental studies of plant communities and plant populations. The Journal is the Official Organ of the International Association for Vegetation Science (IAVS).
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