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  In situ nutrient enrichment: Methods for marine benthic ecology.

Worm, B., Reusch, T. B. H., & Lotze, H. K. (2000). In situ nutrient enrichment: Methods for marine benthic ecology. International Review of Hydrobiology, 85(2-3), 359-375.

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 Urheber:
Worm, B., Autor
Reusch, T. B. H.1, 2, Autor           
Lotze, H. K., Autor
Affiliations:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              
2Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Schlagwörter: benthic communities; field experiment; nitrogen; nutrient limitation; phosphorus
 Zusammenfassung: Nutrient enrichment of marine sediments or the water column has been used to study plant nutrient limitation and its cascading effects on community structure. Here we develop methodological recommendations for in situ enrichment. We review 18 published enrichment methods. Nutrient concentrations varied through time and among sites, with sediment depth, distance from the source, fertilizer type and load. Combining available data, we could predict an increase in sediment porewater phosphate (r(2) = 0.48) but not ammonium (r(2) = 0.07) concentrations in a multiple regression model. In three comparative field experiments we applied a coated slow-release fertilizer in the sediment and the water column and followed nutrient concentrations over time. We recommend coated fertilizer pellets; because they provide gradual nutrient release, allow for realistic nutrient gradients, and even application but we emphasize that nutrient concentrations need to be monitored through time

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Sprache(n): eng - English
 Datum: 2000
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 117450
Anderer: 1875/S 37532
 Art des Abschluß: -

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Titel: International Review of Hydrobiology
  Alternativer Titel : Internat. Rev. Hydrobiol.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 85 (2-3) Artikelnummer: - Start- / Endseite: 359 - 375 Identifikator: ISSN: 1434-2944