2007
DOI: 10.7202/016826ar
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Géomorphologie et diversité végétale des marais du Cap Marteau et de l’Isle-Verte, estuaire du Saint-Laurent, Québec

Abstract: Résumé Cet article traite de l’influence des caractéristiques géomorphologiques et sédimentologiques sur la diversité végétale de trois marais de l’estuaire maritime du Saint-Laurent soumis aux mêmes conditions marégraphiques, mais situés à des degrés contrastés d’exposition aux processus marins. Des inventaires biophysiques de plus de 1 500 quadrats de 1,5 m x 1,5 m et une cartographie morphosédimentologique ont été effectués dans ces marais. Les résultats indiquent que la diversité végétale des mar… Show more

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“…The sampling area was divided into four zones based on the frequency of immersion, which is a function of elevation, the ice in the winter, the water temperature, and salinity (Figure 2). The zones are: (1) the eelgrass bed of Zostera marina (EG); (2) the mud flat with microphytobenthos (SD: sediment) and the macroalgae zone composed of Fucus and Ascophyllum, mainly attached to scattered boulders (MA); (3) the low marsh cordgrass zone dominated by Spartina alterniflora (SC); and (4) the high marsh zone mainly dominated by Atriplex prostrata (CS, creeping saltbush) [30,31,33]. During the winter, ice scouring creates ice-made tidal pools, which increase the spatial heterogeneity within the shore habitats [34][35][36].…”
Section: In Situ Measurementmentioning
confidence: 99%
“…The sampling area was divided into four zones based on the frequency of immersion, which is a function of elevation, the ice in the winter, the water temperature, and salinity (Figure 2). The zones are: (1) the eelgrass bed of Zostera marina (EG); (2) the mud flat with microphytobenthos (SD: sediment) and the macroalgae zone composed of Fucus and Ascophyllum, mainly attached to scattered boulders (MA); (3) the low marsh cordgrass zone dominated by Spartina alterniflora (SC); and (4) the high marsh zone mainly dominated by Atriplex prostrata (CS, creeping saltbush) [30,31,33]. During the winter, ice scouring creates ice-made tidal pools, which increase the spatial heterogeneity within the shore habitats [34][35][36].…”
Section: In Situ Measurementmentioning
confidence: 99%