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Article: Effectiveness of sampling strategies for intertidal monitoring

TitleEffectiveness of sampling strategies for intertidal monitoring
Authors
Issue Date1986
PublisherI W A Publishing. The Journal's web site is located at http://www.iwapublishing.com/template.cfm?name=iwapwst
Citation
Water Science And Technology, 1986, v. 18 n. 4-5, p. 63-72 How to Cite?
AbstractMultiple random quadrats (25cm by 25cm) were sampled at five sites on depositing shores in South Wales and the Isle of Man. The effect of increased number of samples was examined in relation to the reliability of estimation of various ecological measures - J, H', number of species, total individuals, total individuals of selected species. The replication required varies with the measure involved, but generally 10-20 or even more quadrats are needed for reliable information which can be used to detect other than very gross changes with time. In monitoring programmes it is thus advantageous to concentrate sampling effort on a limited number of sites with high replication because of this considerable spatial variation. The need to define specific aims, and to design a sampling format related to these aims, is emphasized. | Multiple random quadrate (25cm by 25cm) were sampled at five sites on deposition shores in South Wales and the Isle of Man. The effect of increased number of samples was examined in relation to the reliability of estimation of various ecological measures - J, H prime , number of species, total individuals, total individuals of selected species. The replication required varies with the measure involved, but generally 10-20 or even more quadrats are needed for reliable information which can be used to detect other than very gross changes with times. In monitoring programs it is thus advantageous to concentrate sampling effort on a limited number of sites with high replication because of this considerable spatial variation. The need to define specific aims, and to design a sampling format related to these aims, is emphasized.
Persistent Identifierhttp://hdl.handle.net/10722/178444
ISSN
2015 Impact Factor: 1.064
2015 SCImago Journal Rankings: 0.469

 

DC FieldValueLanguage
dc.contributor.authorHawkins, SJen_US
dc.contributor.authorHartnoll, RGen_US
dc.contributor.authorWilliams, GAen_US
dc.date.accessioned2012-12-19T09:47:43Z-
dc.date.available2012-12-19T09:47:43Z-
dc.date.issued1986en_US
dc.identifier.citationWater Science And Technology, 1986, v. 18 n. 4-5, p. 63-72en_US
dc.identifier.issn0273-1223en_US
dc.identifier.urihttp://hdl.handle.net/10722/178444-
dc.description.abstractMultiple random quadrats (25cm by 25cm) were sampled at five sites on depositing shores in South Wales and the Isle of Man. The effect of increased number of samples was examined in relation to the reliability of estimation of various ecological measures - J, H', number of species, total individuals, total individuals of selected species. The replication required varies with the measure involved, but generally 10-20 or even more quadrats are needed for reliable information which can be used to detect other than very gross changes with time. In monitoring programmes it is thus advantageous to concentrate sampling effort on a limited number of sites with high replication because of this considerable spatial variation. The need to define specific aims, and to design a sampling format related to these aims, is emphasized. | Multiple random quadrate (25cm by 25cm) were sampled at five sites on deposition shores in South Wales and the Isle of Man. The effect of increased number of samples was examined in relation to the reliability of estimation of various ecological measures - J, H prime , number of species, total individuals, total individuals of selected species. The replication required varies with the measure involved, but generally 10-20 or even more quadrats are needed for reliable information which can be used to detect other than very gross changes with times. In monitoring programs it is thus advantageous to concentrate sampling effort on a limited number of sites with high replication because of this considerable spatial variation. The need to define specific aims, and to design a sampling format related to these aims, is emphasized.en_US
dc.languageengen_US
dc.publisherI W A Publishing. The Journal's web site is located at http://www.iwapublishing.com/template.cfm?name=iwapwsten_US
dc.relation.ispartofWater Science and Technologyen_US
dc.titleEffectiveness of sampling strategies for intertidal monitoringen_US
dc.typeArticleen_US
dc.identifier.emailWilliams, GA: hrsbwga@hkucc.hku.hken_US
dc.identifier.authorityWilliams, GA=rp00804en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0022483091en_US
dc.identifier.volume18en_US
dc.identifier.issue4-5en_US
dc.identifier.spage63en_US
dc.identifier.epage72en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridHawkins, SJ=7203056838en_US
dc.identifier.scopusauthoridHartnoll, RG=7005365315en_US
dc.identifier.scopusauthoridWilliams, GA=7406082821en_US

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