The Use of Benthic Macroinvertebrate Communities as Biomonitors in Hong Kong Streams PDF Download
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Languages : en
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Languages : en
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Author: David Gallacher
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Category : Benthic animals
Languages : en
Pages : 392
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Author: 梁士倫
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ISBN: 9781374784642
Category :
Languages : en
Pages :
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This dissertation, "Scale-dependent Effects of Spatial and Temporal Variability on Benthic Macroinvertebrate Communities in Hong Kong Streams" by 梁士倫, Sze-lun, Leung, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3124331 Subjects: Freshwater invertebrates - China - Hong Kong Water quality biological assessment - China - Hong Kong Rivers - Environmental aspects - China - Hong Kong
Author: Sze-lun Leung
Publisher:
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Category : Freshwater invertebrates
Languages : en
Pages : 530
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Category : Water quality bioassay
Languages : en
Pages : 192
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Author: Jocelyn F. Korsch
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Category : Environmental monitoring
Languages : en
Pages : 264
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Author: Mi-Young Song
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Category :
Languages : en
Pages : 99
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In this study, we applied the SOM for ecological assessment using benthic macroinvertebrates in aquatic ecosystem. First, Chapter I, SOM was utilized to extract information from complex data of environmental variables and benthic macroinvertebrate communities residing in different micro-habitats. Although the sampling was carried out in a limited area, the patterns of environmental variables revealed spatial heterogeneity. The clustering of benthic macroinvertebrate communities in the trained SOM was efficient in showing temporal variation and evaluating water quality according to the conditions of different micro-habitats. Consequently, local spatial heterogeneity is important in revealing dynamics of community abundance and biotic indices, especially regarding restoration processes in polluted streams. Chapter II, the samples were grouped into three main clusters corresponding to distinc EPTC assemblages in the tributary streams of the Garonne River catchment, southern France. Lower richness and diversity of macroinvertebrates were observed in the areas affected by agricultural land use, being associated with high Total Dissolved Solids (TDS), Nitrate (NO3) and Chemical Oxygen Demand (COD). Tolerant EPTC species were identified as controlling parameters for the changes in the assemblages collected at the agricultural-impacted sites...
Author: David Dudgeon
Publisher: Hong Kong University Press
ISBN: 9622094694
Category : Science
Languages : en
Pages : 843
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This book deals with the ecology of rivers and streams in the Oriental Region, and describes the composition of their unique fauna - especially the diverse array of animals which live on and among the bottom sediments. Dichotomous keys are provided as an aid to the identification of these animals, and the book is illustrated by over 100 pages of line drawings and maps. Special emphasis is given to the impact of human activities on streams and rivers, and the book concludes with a discussion of conservation and management options for these endangered habitats.
Author: J. Denis Newbold
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Category : Benthos
Languages : en
Pages : 206
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Author: Vincent H. Resh
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Category : Biological monitoring
Languages : en
Pages : 88
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