The lateral extent of the subsidy from an upland stream to riparian lycosid spiders

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dc.contributor.author Gee, John H. R.
dc.contributor.author Briers, Robert A.
dc.contributor.author Geoghegan, Rory
dc.contributor.author Cariss, Helen M.
dc.date.accessioned 2009-09-08T08:56:35Z
dc.date.available 2009-09-08T08:56:35Z
dc.date.issued 2009-09-08
dc.identifier.citation Gee , J H R , Briers , R A , Geoghegan , R & Cariss , H M 2009 , ' The lateral extent of the subsidy from an upland stream to riparian lycosid spiders ' Ecography , pp. 165-170 . en
dc.identifier.other PURE: 126684
dc.identifier.other dspace: 2160/2982
dc.identifier.uri http://hdl.handle.net/2160/2982
dc.description Briers, R. A, Cariss, H. M., Geoghegan, R., Gee, J. H. R. (2005). The lateral extent of the subsidy from an upland stream to riparian lycosid spiders. Ecography, 28, (2), 165-170. en
dc.description.abstract Adult aquatic insects emerging from streams can subsidize riparian food webs, but little is known of the spatial extent of these subsidies. Stable isotope (15N) enrichment of aquatic insects, principally a species of stonefly (Plecoptera: Leuctridae), emerging from an upland stream was used to trace the subsidy from the stream ecosystem to riparian spiders (Lycosidae). The downstream profile of spider ¿15N correlated closely with that of adult stoneflies, indicating that they were deriving nutrition from aquatic sources. The contribution of adult aquatic insects to spider diets was determined using a two-source mixing model. Adult aquatic insects made up over 40% of spider diets adjacent to the stream, but en
dc.format.extent 6 en
dc.language.iso eng
dc.relation.ispartof Ecography en
dc.title The lateral extent of the subsidy from an upland stream to riparian lycosid spiders en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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