2002
DOI: 10.1051/limn/2002023
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Variations saisonnières de l'activité de la phosphatase alcaline des communautés planctoniques bactériennes et algales dans le lac réservoir Allal El Fassi, Maroc

Abstract: Mots-clés : bactéries, phytoplancton, activité phosphatase alcaline, variations saisonnières, réservoir.Les variations verticales et saisonnières de l'activité de la phosphatase alcaline (APA) des communautés microplanctoniques ont été étudiées dans le lac réservoir mésotrophe Allai El Fassi, situé sur l'oued Sebou. Les échantillons ont été collectés à différentes profondeurs au point le plus profond du lac, de mars à décembre 1998. Les résultats montrent que 1'APA totale est exclusivement associée à la fracti… Show more

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Cited by 4 publications
(2 citation statements)
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“…Concomitantly, anaerobic bacteria proliferated, whereas the APA gradually decreased. This suggests that the synthesis of APA through development of anaerobic bacteria was inhibited as orthophosphate concentrations increased [2,32], which was also confirmed by the decrease of the specific APA (Fig. 6).…”
Section: Discussionsupporting
confidence: 62%
See 1 more Smart Citation
“…Concomitantly, anaerobic bacteria proliferated, whereas the APA gradually decreased. This suggests that the synthesis of APA through development of anaerobic bacteria was inhibited as orthophosphate concentrations increased [2,32], which was also confirmed by the decrease of the specific APA (Fig. 6).…”
Section: Discussionsupporting
confidence: 62%
“…The majority of the arid to semi arid Moroccan reservoirs are stressed due to enhanced nutrient loading resulting from land runoff and sewage discharges [1][2][3]. These urban interferences induced eutrophication of the reservoir, while large amounts of the phosphate and nitrogen entering will fuel phytoplankton proliferation [4][5][6][7][8].…”
Section: Introductionmentioning
confidence: 99%