WRRCTR No.122 Ecological Observations off the Mokapu, O'ahu, Ocean Outfall: A Post-Installation Study

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dc.contributor.authorRusso, Anthony R.
dc.contributor.authorDollar, Steven J.
dc.contributor.authorKay, E. Alison
dc.date.accessioned2008-07-10T23:21:35Z
dc.date.available2008-07-10T23:21:35Z
dc.date.issued1979-02
dc.description.abstractAn ecological study of the benthic and fish communities at Mokapu, O'ahu, was completed in the summer of 1978 approximately 1 yr subsequent to the installation of a submarine outfall by the City and County of Honolulu. Data were obtained from five transects between Mokapu Point on the northeastern tip of O'ahu to Alala Point, approximately 6 034 m (3.75 miles) south, at depths of 6 to 24 m (20-80 ft). This study is subsequent to an initial survey completed in 1975 prior to outfall construction. Results show little or no effect from the operation of the outfall on the benthic and fish communities. There are not significant differences in the abundance, diversity, or composition of fishes from 1975 to 1978 except at the outfall site where new substrate was formed by construction. Between the 1975 and 1978 studies there are some differences in coral species cover indices, which are attributed to patchy substrate distribution rather than stress from the sewer outfall. Differences in species composition and distribution of micromolluscan assemblages may also be explained, at least in part, by patchy distribution of the substrate.
dc.description.sponsorshipDepartment of Public Works, City and County of Honolulu, and the Water Resources Research Center, University of Hawaii
dc.format.extentviii + 49 pages
dc.identifier.citationRusso AR, Dollar SJ, Kay EA. 1979. Ecological observations off the Mokapu, O'ahu, ocean outfall: a post-installation study. Honolulu (HI): Water Resources Research Center, University of Hawaii at Manoa. WRRC technical report, 122.
dc.identifier.urihttp://hdl.handle.net/10125/1854
dc.language.isoen-US
dc.publisherWater Resources Research Center, University of Hawaii at Manoa
dc.relation.ispartofseriesWRRC Technical Report
dc.relation.ispartofseries122
dc.subjectbenthic fauna
dc.subjectcoral
dc.subjectmarine animals
dc.subjectaquatic life
dc.subjectmarine plants
dc.subjectHawaii
dc.subjectmicromollusks
dc.subjectmarine outfall
dc.subjectMokapu outfall
dc.subjectbiomonitoring
dc.subject.lcshBenthos -- Hawaii -- Oahu.
dc.subject.lcshFish populations -- Hawaii -- Oahu.
dc.subject.lcshMarine animals -- Effect of water pollution on.
dc.subject.lcshMokapu Peninsula (Hawaii)
dc.subject.lcshOcean outfalls -- Environmental aspects -- Hawaii -- Oahu.
dc.subject.lcshSewage disposal in the ocean -- Environmental aspects.
dc.titleWRRCTR No.122 Ecological Observations off the Mokapu, O'ahu, Ocean Outfall: A Post-Installation Study
dc.typeReport
dc.type.dcmiText

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