Evaluation of multi-causal dynamics of variability composition of patch edges in temperate forest

Evaluation of multi-causal dynamics of variability composition of patch edges in temperate forest

https://ift.tt/2zYuhKY

Publication date: 1 December 2018

Source: Forest Ecology and Management, Volume 429

Author(s): C. Granados-Peláez, G. Santibáñez-Andrade, F. Guerra-Martínez, D. Serrano-Giné, A. García-Romero

Abstract

In this study, we examine the effect of 13 microenvironmental variables, 3 landscape variables and 8 anthropogenic pressure variables on species richness, abundance and diversity in the distribution of plant communities and the pattern of species diversity using multivariate statistics. Results of TWINSPAN classification have identified three compositional types of edge. DCA clearly distinguished these groups by the first two DCA axes. Both classification and ordination resulted in a clear demonstration of the vegetation pattern in the study area. The results obtained from the SEM showed that microenvironmental variations (canopy openness, litter layer) determine, to a large extent, the species composition of edges, and that landscape properties are correlated with these environmental variations, but anthropogenic pressures had no significant effect on them. This final model can be used as a tool for the application of management and conservation strategies in fragmented forests, as it contributes to identify the direct and indirect effects with the largest impacts on floristic variation.

Superforest

via ScienceDirect Publication: Forest Ecology and Management https://ift.tt/2zaqiu8

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