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dc.contributor.authorFrench, John R.P.
dc.contributor.authorWilcox, Douglas A.
dc.contributor.authorNichols, S. Jerrine
dc.date.accessioned2021-09-07T17:41:03Z
dc.date.available2021-09-07T17:41:03Z
dc.date.issued1999-12-01
dc.identifier.citationFrench, J.R.P., D.A. Wilcox, and S.J. Nichols. 1999. Passing of northern pike and common carp through experimental barriers designed for use in wetland restoration. Wetlands 19:883-888.
dc.identifier.urihttp://hdl.handle.net/20.500.12648/2269
dc.descriptionThe original publication is available at www.springerlink.com --- Papers prepared by American or Canadian government employees as part of their official duties need not have the assignment of copyright transferred since this material is automatically considered as part of the public domain. Dr. DOUGLAS A. WILCOX was a federal employee of the National Fisheries Research Center-Great Lakes US Fish and Wildlife Service.
dc.description.abstractRestoration plans for Metzger Marsh, a coastal wetland on the south shore of western Lake Erie, incorporated a fish-control system designed to restrict access to the wetland by large common carp (Cyprinus carpio). Ingress fish passageways in the structure contain slots into which experimental grates of varying size and shape can be placed to selectively allow entry and transfer of other large fish species while minimizing the number of common carp to be handled. We tested different sizes and shapes of grates in experimental tanks in the laboratory to determine the best design for testing in the field. We also tested northern pike (Esox lucius) because lack of access to wetland spawning habitat has greatly reduced their populations in western Lake Erie. Based on our results, vertical bar grates were chosen for installation because common carp were able to pass through circular grates smaller than body height by compressing their soft abdomens; they passed through rectangular grates on the diagonal. Vertical bar grates with 5-cm spacing that were installed across much of the control structure should limit access of common carp larger than 34 em total length (TL) and northern pike larger than 70 em. Vertical bar grates selected for initial field trials in the fish passageway had spacings of 5.8 and 6.6 em, which increased access by common carp to 40 and 47 em TL and by northern pike to 76 and 81 em, respectively. The percentage of potential common carp biomass (fish seeking entry) that must be handled in lift baskets in the passageway increased from 0.9 to 4.8 to 15.4 with each increase in spacing between bars. Further increases in spacing would greatly increase the number of common carp that would have to be handled. The results of field testing should be useful in designing selective fish-control systems for other wetland restoration sites adjacent to large water bodies.
dc.subjectCoastal Wetlands
dc.subjectCommon Carp
dc.subjectFish-Control System
dc.subjectGrates
dc.subjectGreat Lakes
dc.subjectNorthern Pike
dc.subjectRestoration
dc.titlePassing of Northern Pike and Common Carp Through Experimental Barriers Designed for use in Wetland Restoration
dc.typearticle
dc.source.journaltitleWetlands
dc.source.volume19
refterms.dateFOA2021-09-07T17:41:03Z
dc.description.institutionSUNY Brockport
dc.source.peerreviewedTRUE
dc.source.statuspublished
dc.description.publicationtitleEnvironmental Science and Ecology Faculty Publications
dc.contributor.organizationThe College at Brockport
dc.contributor.organizationU.S. Geological Survey
dc.languate.isoen_US


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