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    A state and transition model for the eastern Monte Phytogeographycal Province in Rio Negro

    Kröpfl AI1, VA Deregibus2, GA Cecchi3

    Phyton-International Journal of Experimental Botany, Vol.84, No.2, pp. 390-396, 2015, DOI:10.32604/phyton.2015.84.390

    Abstract We developed a functional model for a shrub steppe vegetation of the eastern Monte Phytogeographical Province in Río Negro (Argentina) with six stable states and 12 transitions, based on the woody encroachment degree, characteristics of the herbaceous layer and the soil surface, and biological crust cover. Information was obtained from letters of naturalists and travelers along the region since the late eighteenth century, reports of old settlers, and our own research work. On the Monte, different functional groups can be distinguished. Our work focused on the three most conspicuous to analyze the dynamics of the system: shrubs, grasses and biological… More >

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