Toxic effects of dredged sediments of Hong Kong coastal waters on clams

Y. H. Cheung; Ming Hung WONG

doi:10.1080/09593339309385381

Toxic effects of dredged sediments of Hong Kong coastal waters on clams

Y. H. Cheung, Ming Hung WONG^*

^*Corresponding author for this work

Department of Biology

Research output: Contribution to journal › Journal article › peer-review

16 Citations (Scopus)

Abstract

The present project is an attempt to study the effects of the sediments collected from various sites on the survival of three indigenous bivalves (Circe scripta, Gafrarium fumidum and Tapes philippinarium). The preliminary trial revealed that T. philippinarium was more sensitive than the other two species in response to the dredged sediment collected from the pollution blackspot: Yau Ma Tei typhoon shelter. A subsequent experiment used T. philippinarium to assess the toxicity of sediments under different dissolved oxygen regimes (7.8, 8.0 and 8.2 mg L^-1). Significant correlations (p<0.05) were noted between the mortality rates of the test animals and the total nitrogen and ammonia contents in the seawater.

Original language	English
Pages (from-to)	1047-1055
Number of pages	9
Journal	Environmental Technology
Volume	14
Issue number	11
DOIs	https://doi.org/10.1080/09593339309385381
Publication status	Published - 1 Nov 1993

User-Defined Keywords

Dredged sediments
toxicity
bioassay
clams
Hong Kong

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10.1080/09593339309385381

Cite this

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title = "Toxic effects of dredged sediments of Hong Kong coastal waters on clams",

abstract = "The present project is an attempt to study the effects of the sediments collected from various sites on the survival of three indigenous bivalves (Circe scripta, Gafrarium fumidum and Tapes philippinarium). The preliminary trial revealed that T. philippinarium was more sensitive than the other two species in response to the dredged sediment collected from the pollution blackspot: Yau Ma Tei typhoon shelter. A subsequent experiment used T. philippinarium to assess the toxicity of sediments under different dissolved oxygen regimes (7.8, 8.0 and 8.2 mg L-1). Significant correlations (p<0.05) were noted between the mortality rates of the test animals and the total nitrogen and ammonia contents in the seawater.",

keywords = "Dredged sediments, toxicity, bioassay, clams, Hong Kong",

author = "Cheung, {Y. H.} and WONG, {Ming Hung}",

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T1 - Toxic effects of dredged sediments of Hong Kong coastal waters on clams

AU - Cheung, Y. H.

AU - WONG, Ming Hung

N1 - Publisher copyright: © Publications Division Selper Ltd., 1993

PY - 1993/11/1

Y1 - 1993/11/1

N2 - The present project is an attempt to study the effects of the sediments collected from various sites on the survival of three indigenous bivalves (Circe scripta, Gafrarium fumidum and Tapes philippinarium). The preliminary trial revealed that T. philippinarium was more sensitive than the other two species in response to the dredged sediment collected from the pollution blackspot: Yau Ma Tei typhoon shelter. A subsequent experiment used T. philippinarium to assess the toxicity of sediments under different dissolved oxygen regimes (7.8, 8.0 and 8.2 mg L-1). Significant correlations (p<0.05) were noted between the mortality rates of the test animals and the total nitrogen and ammonia contents in the seawater.

AB - The present project is an attempt to study the effects of the sediments collected from various sites on the survival of three indigenous bivalves (Circe scripta, Gafrarium fumidum and Tapes philippinarium). The preliminary trial revealed that T. philippinarium was more sensitive than the other two species in response to the dredged sediment collected from the pollution blackspot: Yau Ma Tei typhoon shelter. A subsequent experiment used T. philippinarium to assess the toxicity of sediments under different dissolved oxygen regimes (7.8, 8.0 and 8.2 mg L-1). Significant correlations (p<0.05) were noted between the mortality rates of the test animals and the total nitrogen and ammonia contents in the seawater.

KW - Dredged sediments

KW - toxicity

KW - bioassay

KW - clams

KW - Hong Kong

U2 - 10.1080/09593339309385381

DO - 10.1080/09593339309385381

M3 - Journal article

VL - 14

SP - 1047

EP - 1055

JO - Environmental Technology

JF - Environmental Technology

IS - 11

ER -