Physical crust does not affect soil seed bank

We compared density and species of a seed bank in (1) a soil with a physical crust, (2) a soil with low plant cover with signs of erosion, and (3) a soil covered by dense vegetation with no evidence of erosion in Northeastern Mexico. From the 33 identified species, there were more seeds in the soil...

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Bibliographic Details
Published in:Arid land research and management 2010-07, Vol.24 (3), p.263-266
Main Authors: Pando-Moreno, Marisela, Jurado, Enrique, Castillo, David, Flores, Joel, Estrada, Eduardo
Format: Article
Language:English
Subjects:
Arid zones
botanical composition
buried seeds
degradation
density
Desertification
Deserts
eroded soils
plant communities
scrubland soils
Seed banks
seed density
seed size
Seeds
shrublands
soil crusts
soil erosion
soil surface sealing
Soils
Tamaulipan thornscrub
Vegetation
vegetation cover
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Summary:We compared density and species of a seed bank in (1) a soil with a physical crust, (2) a soil with low plant cover with signs of erosion, and (3) a soil covered by dense vegetation with no evidence of erosion in Northeastern Mexico. From the 33 identified species, there were more seeds in the soil of the area without evidence of erosion (1,900 seeds m −2 from 30 species), no differences were found between the soil with a crust (88.8 seeds m −2 seeds from 12 species) and the eroded soil without a crust (62.7 seeds m −2 from 10 species).
ISSN:1532-4982
1532-4990
DOI:10.1080/15324981003744966