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pro vyhledávání: '"Marc Vayssiéres"'
Autor:
Heather A Peterson, Marc Vayssieres
Publikováno v:
San Francisco Estuary and Watershed Science, Vol 8, Iss 1 (2010)
We used multivariate methods to explore changes in benthic assemblage structure over 27 years (1977–2003) at four monitoring stations located along a salinity gradient in the upper San Francisco Estuary. Changes in benthic assemblage composition we
Externí odkaz:
https://doaj.org/article/a98520dbe3194224b299717d4c3ad71c
Publikováno v:
California Agriculture, Vol 47, Iss 6, Pp 36-40 (1993)
Livestock grazing in late spring and early summer resulted in large reductions of yellow starthistle, Centaurea solstitialis, on infested annual grasslands. Grazing in the bolting stage before spines developed reduced starthistle's canopy size, seed
Externí odkaz:
https://doaj.org/article/2e91a9349d00435c882820dff02376fe