2006
DOI: 10.1007/s00027-006-0805-x
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Inorganic nutrient acquisition in a shallow clearwater lake – dominance of benthic microbiota

Abstract: This mesocosm study from the oligotrophic Lake Eckarfjärden in Sweden shows, in contrast to many previous studies, that benthic microbiota dominated production following elevated nutrient concentrations in the water. Increased nutrient concentrations favoured microphytobenthos, whereas phytoplankton biomass remained roughly the same. Microphytobenthos biomass and production were clearly stimulated by nitrogen addition, while phytoplankton showed signs of phosphorus limitation. There were tight interactions bet… Show more

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Cited by 5 publications
(2 citation statements)
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“…In contrast to Vadeboncoeur et al (2003), increasing the phosphorus supply in our experiment did not result in the loss of benthic communities. This result is supported by two mesocosm studies conducted in shallow lakes (Andersson and Brunberg, 2006;Havens et al, 1999). Similar to our experiments, nutrient enrichment did not cause a shift from benthic to pelagic production in these studies.…”
Section: Comparative Discussionsupporting
confidence: 80%
“…In contrast to Vadeboncoeur et al (2003), increasing the phosphorus supply in our experiment did not result in the loss of benthic communities. This result is supported by two mesocosm studies conducted in shallow lakes (Andersson and Brunberg, 2006;Havens et al, 1999). Similar to our experiments, nutrient enrichment did not cause a shift from benthic to pelagic production in these studies.…”
Section: Comparative Discussionsupporting
confidence: 80%
“…Los aumentos de biomasa en todos los acuarios hacia el día 4 podrían deberse al efecto del agregado de nutrientes al comienzo de la experiencia, en coincidencia con lo observado por Andersson y Brunberg (2006) en un estudio realizado a campo, donde observaron rápidos aumentos de la biomasa fitobentónica en respuesta al agregado de nutrientes. Estos autores registraron una concentración inicial de clorofila a bentónica promedio de 24,4 mg/m 2 y se alcanzó la máxima biomasa al día 8 con 62,2 mg/m 2 ; coincidentemente, en esta experiencia realizada en laboratorio se registraron al comienzo 27,8 mg/m 2 y en el día 8 la biomasa fue de 55,3 mg/m 2 .…”
Section: Discusión Y Conclusionesunclassified