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dc.contributor.authorAbell, JM
dc.contributor.authorHamilton, DP
dc.date.accessioned2017-05-18T00:42:42Z
dc.date.available2017-05-18T00:42:42Z
dc.date.issued2013
dc.identifier.issn0028-8330
dc.identifier.doi10.1080/00288330.2013.792851
dc.identifier.urihttp://hdl.handle.net/10072/337278
dc.description.abstractThe bioavailability of catchment-derived particulate phosphorus (PP) to lentic phytoplankton was investigated. Two stream inflows to Lake Rotorua (Bay of Plenty, New Zealand) were sampled during moderate (March) and large (August) discharge peaks in 2012. Phosphorus (P) fractions in samples were quantified and a bioassay was undertaken using samples from the March event to determine whether P-limited phytoplankton could utilise PP. Phosphorus composition differed markedly between events but was comparable between streams. For the March event, all PP (persulphate extractable) was bioavailable if exposed to anoxia, whereas c. 25% was potentially bioavailable for the August event. Despite this, the laboratory bioassay indicated that, under oxic conditions, suspended sediments acted as a sink rather than a source of bioavailable P to P-limited phytoplankton. This study highlights the importance of considering P speciation and the nature of the receiving environment when assessing the bioavailability of P transported through hydrological landscapes.
dc.description.peerreviewedYes
dc.languageEnglish
dc.publisherTaylor & Francis Asia Pacific
dc.relation.ispartofpagefrom481
dc.relation.ispartofpageto489
dc.relation.ispartofissue4
dc.relation.ispartofjournalNew Zealand Journal of Marine and Freshwater Research
dc.relation.ispartofvolume47
dc.subject.fieldofresearchEnvironmental Science and Management not elsewhere classified
dc.subject.fieldofresearchEarth Sciences
dc.subject.fieldofresearchEnvironmental Sciences
dc.subject.fieldofresearchBiological Sciences
dc.subject.fieldofresearchcode050299
dc.subject.fieldofresearchcode04
dc.subject.fieldofresearchcode05
dc.subject.fieldofresearchcode06
dc.titleBioavailability of phosphorus transported during storm flow to a eutrophic, polymictic lake
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.hasfulltextNo Full Text
gro.griffith.authorHamilton, David P.


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