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Relationship among grain-size, plant communities, and fluvial and eolian processes in a piedmont of the central Andes in Argentina Ecología austral
González Loyarte,María M.
The relationship among modern geomorphological processes, grain-size of surface sediments, and vegetation was analyzed in an alluvial fan in the piedmont of the Cordillera Frontal (Andes Mountains). Statistical parameters of grain-size distribution were calculated according to a standard graphical method. Plant communities were studied by applying a standard floristic-ecological method. A sensitivity analysis of grain-size parameters and plant communities in relation to geomorphological processes was made, based on literature, to compare results. Indicator species of fluvial, eolian and soil erosion processes were identified. Contemporary surface modifications by fluvial and eolian processes produce distinct surface sediment size parameters (mean diameter,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Grain-size analysis; Plant communities; Fluvial/eolian processes; Phytosociology; Indicator species.
Ano: 2003 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1667-782X2003000100004
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A new midshelf record in the northern Bay of Biscay (NE Atlantic, CBT-CS11 core): sedimentological, geochemical and palynological data over the last 7 kyrs ArchiMer
Penaud, Aurélie; Ganne, Axelle; Coste, Pierre-olivier; Herlédan, Maïwenn; Durand, Matthieu; Mojtahid, Meryem; Nizou, Jean; Toucanne, Samuel.
The high-time resolution (∼70 years in average) multi-proxy analysis conducted on the midshelf core CBT-CS11 (47°46.429’N; 4°25.308’W; 73m depth; 3.96 m long; NW France, S Brittany) revealed the complexity of the palaeohydrological and palaeoclimatic signals recorded over the last 7 kyrs in the recently published paper: “Oceanic versus continental influences over the last 7 kyrs from a midshelf record in the northern Bay of Biscay (NE Atlantic)” [1]. This study presents the whole CBT-CS11 dataset discussed in [1] including sedimentological (XRF and grain-size (total from [1] and CaCO3-free from [2]) analyses), geochemical (oxygen and carbon stable isotopes on two different benthic foraminiferal species: Ammonia falsobeccarii from [1] and Cibicides...
Tipo: Text Palavras-chave: Holocene; NE Atlantic Ocean; Pollen assemblages; Dinoflagellate cyst assemblages; Stable isotopes; Grain-size analysis; XRF.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00610/72209/71003.pdf
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