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Article: An investigation into some physical and biotic effects of flooding on reservoir mud previously subjected to a period of aerial exposure
Title | An investigation into some physical and biotic effects of flooding on reservoir mud previously subjected to a period of aerial exposure |
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Authors | |
Keywords | Allochthonous Freshwater Gastropods Hong Kong Man-Made Lake Marginal Zone Melanoides Tuberculata Sediments Water-Level Fluctuations |
Issue Date | 1982 |
Publisher | Springer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0018-8158 |
Citation | Hydrobiologia, 1982, v. 97 n. 1, p. 27-35 How to Cite? |
Abstract | A series of laboratory experiments were carried out in order to investigate the effects of selected physical and biotic processes on the substratum of a recently flooded gently sloping marginal zone of Plover Cove Reservoir, Hong Kong. The physical effects of disturbance of the sediments promoted the redistribution of organic matter, as shown by differences in the percentage of organic matter in the supernatant and residue resulting when reservoir mud was stirred. It is suggested that such a process would promote the transfer of allochthonous organic carbon from the marginal zone (the area of input of such material) to the rest of the water body. Substrate characteristics were also influenced by the activities of two species of benthic gastropod, Sinotaia quadrata and Melanoides tuberculata. These animals increased the rate of production of particles from soaked blocks of parent mud when compared with experimental treatments in the absence of snails. Additionally both species enhanced the production of aggregates from fine sediments with a particle size of less than 125 μm. The magnitudes of both processes were statistically significant. Laboratory observations showed that M. tuberculata had a significantly faster rate of aggregate and fine particulate production than S. quadrata and it is possible that the former species may have the capacity to modify the substrate characteristics of the newly flooded marginal zone of Plover Cove. © 1982 Dr W. Junk Publishers. |
Persistent Identifier | http://hdl.handle.net/10722/178418 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 0.774 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Dudgeon, D | en_US |
dc.date.accessioned | 2012-12-19T09:47:36Z | - |
dc.date.available | 2012-12-19T09:47:36Z | - |
dc.date.issued | 1982 | en_US |
dc.identifier.citation | Hydrobiologia, 1982, v. 97 n. 1, p. 27-35 | en_US |
dc.identifier.issn | 0018-8158 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/178418 | - |
dc.description.abstract | A series of laboratory experiments were carried out in order to investigate the effects of selected physical and biotic processes on the substratum of a recently flooded gently sloping marginal zone of Plover Cove Reservoir, Hong Kong. The physical effects of disturbance of the sediments promoted the redistribution of organic matter, as shown by differences in the percentage of organic matter in the supernatant and residue resulting when reservoir mud was stirred. It is suggested that such a process would promote the transfer of allochthonous organic carbon from the marginal zone (the area of input of such material) to the rest of the water body. Substrate characteristics were also influenced by the activities of two species of benthic gastropod, Sinotaia quadrata and Melanoides tuberculata. These animals increased the rate of production of particles from soaked blocks of parent mud when compared with experimental treatments in the absence of snails. Additionally both species enhanced the production of aggregates from fine sediments with a particle size of less than 125 μm. The magnitudes of both processes were statistically significant. Laboratory observations showed that M. tuberculata had a significantly faster rate of aggregate and fine particulate production than S. quadrata and it is possible that the former species may have the capacity to modify the substrate characteristics of the newly flooded marginal zone of Plover Cove. © 1982 Dr W. Junk Publishers. | en_US |
dc.language | eng | en_US |
dc.publisher | Springer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0018-8158 | en_US |
dc.relation.ispartof | Hydrobiologia | en_US |
dc.subject | Allochthonous | en_US |
dc.subject | Freshwater Gastropods | en_US |
dc.subject | Hong Kong | en_US |
dc.subject | Man-Made Lake | en_US |
dc.subject | Marginal Zone | en_US |
dc.subject | Melanoides Tuberculata | en_US |
dc.subject | Sediments | en_US |
dc.subject | Water-Level Fluctuations | en_US |
dc.title | An investigation into some physical and biotic effects of flooding on reservoir mud previously subjected to a period of aerial exposure | en_US |
dc.type | Article | en_US |
dc.identifier.email | Dudgeon, D: ddudgeon@hku.hk | en_US |
dc.identifier.authority | Dudgeon, D=rp00691 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1007/BF00014957 | en_US |
dc.identifier.scopus | eid_2-s2.0-0020432514 | en_US |
dc.identifier.volume | 97 | en_US |
dc.identifier.issue | 1 | en_US |
dc.identifier.spage | 27 | en_US |
dc.identifier.epage | 35 | en_US |
dc.identifier.isi | WOS:A1982PS96500004 | - |
dc.publisher.place | Netherlands | en_US |
dc.identifier.scopusauthorid | Dudgeon, D=7006559840 | en_US |
dc.identifier.issnl | 0018-8158 | - |