Journal of Food, Agriculture and Environment

Pastures seedbank composition in relation to soil nutrient content in areas under goat grazing management (Tenerife)

Author(s):

José Ramón Arévalo ^1*, Eduardo Chinea ²

Recieved Date: 2009-07-20, Accepted Date: 2009-10-08

Abstract:

Seed bank composition is an important part of the plant community that should be analyzed in order to understand the dynamic processes related to the plant community (germination, recruitment, species composition, etc.). We have analyzed the seed bank composition in a pasture community of Tenerife, one of the richest communities of the archipelago with a high environmental and social importance due to the dependence of local population of the maintenance of the pastures and because the unquestionable inheritage value. We analyzed the soils seed bank composition in ten plots (replicated in three seed banks) in the area with different soil nutrient composition. Soil nutrient composition of the plots was also analyzed. Our results revealed that the density of leguminous in the plots can be explained due to P and pH, while grasses can be explained by CIC and pH and th e other group of species (non-grasses and leguminous) by K and EC. The analysis of species composition in relation to the nutrient content of the soils revealed a big heterogeneity. Because there is broad soil variability in the pastures, a high number of species are found. High number of grasses was found in different situations, as in poor soils and very rich soils, and in other groups. This diversity can be very useful in order to manage the pastures for the maintenance of local activity as goat grazing.

Keywords:

Canary Islands, CCA, goat, grazing ecology, regression, pastures management, restoration, seed ecology, species composition, traditional activities

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Journal: Journal of Food, Agriculture and Environment
Year: 2009
Volume: 7
Issue: 3&4
Category: Environment
Pages: 710-716

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