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Biomasse et production primaire du phytoplancton et du microphytobenthos de deux biotopes sableux (Golfe de Fos, France) ArchiMer
Plante-cuny, Marie-reine; Bodoy, Alain.
The primary production (phytoplankton and microphytobenthos) of a coastaL shallow water ecosystem (0.5 m) was investigated in two sandy areas, differing by their wave exposure. The physical and chemical parameters, the functional chlorophyll and pheopigments as well as the primary production were measured monthly, throughout a two-year study. The bivalve Ruditapes decussatus was the dominant species in the sheltered station (RD), whereas Donax trlmcu/us inhabited the other station (DT) which was exposed to the open-sea waves. Microphytic biomasses were determined after extracting chlorophyll a and pheopigments in 90% acetone. by spectrophotometric measurements before and after acidification. Gross hourly primary production was estimated by measuring the...
Tipo: Text Palavras-chave: Biomasse; Production primaire; Phytoplancton; Microphytobenthos; Mediterranee; Biomass; Primary production; Phytoplancton; Microphytobenthos; Mediterranean.
Ano: 1987 URL: http://archimer.ifremer.fr/doc/1987/publication-2870.pdf
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Evaluation simultanée des biomasses et des productions primaires phytoplanctonique et microphytobenthique en milieu côtier ArchiMer
Bodoy, Alain; Plante-cuny, Marie-reine.
On étudie un fond sablo-vaseux de mode calme à Ruditapes decussatus et un fond sableux de mode battu à Donax trunculus. Dans le premier cas, la biomasse chlorophyllienne totale est 10 fois plus élevée que dans le second, et la production primaire double; le rôle du microphytobenthos y est prépondérant (en biomasse, 97%; en production primaire 50%); en mode battu, le phytoplancton représente la quasi-totalité de l'échelon primaire.
Tipo: Text
Ano: 1980 URL: http://archimer.ifremer.fr/doc/00036/14715/12021.pdf
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Evaluation simultanée des biomasses et productions primaires phytoplanctoniques et microphytobenthiques ArchiMer
Bodoy, Alain; Plante-cuny, Marie-reine.
Tipo: Text
Ano: 1980 URL: http://archimer.ifremer.fr/doc/00036/14763/12072.pdf
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