Ulva lactuca as bioindicator of metal contamination in intertidal waters in Hong Kong

The utility of the green alga Ulva lactuca as a bioindicator of metal pollution was explored by analyzing the concentrations of seven metals in samples collected from 24 intertidal sites around Hong Kong. Half the sites were in rural regions with relatively clean coastal waters; the remaining 12 sit...

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Bibliographic Details
Published in:Hydrobiologia 1990-09, Vol.203 (1), p.73-81
Main Author: Ho, Y.B. (Hong Kong Univ. (Hong Kong). Dept. of Botany)
Format: Article
Language:English
Subjects:
AGUAS FECALES
ALGAE
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
Brackish
CADMIO
CADMIUM
CINC
COBRE
CONTAMINACION
CONTAMINATION
COPPER
CUIVRE
DECHET INDUSTRIEL
DESECHOS INDUSTRIALES
EAU USEE DOMESTIQUE
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on plants and fungi
FER
Fundamental and applied biological sciences. Psychology
HEAVY METALS
HIERRO
HONG KONG
INDICATOR ORGANISMS
INDUSTRIAL WASTES
INTERTIDAL ENVIRONMENT
IRON
LEAD
MANGANESE
MANGANESO
Marine
METAL LOURD
METALES PESADOS
MILIEU INTERTIDAL
NICKEL
NIQUEL
ORGANISME INDICATEUR
ORGANISMOS INDICADORES
PLOMB
PLOMO
POLLUTION DE L'EAU
POLUCION DEL AGUA
SEWAGE
Ulva lactuca
WATER POLLUTION
ZINC
ZONA DE INTERMAREA
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Summary:The utility of the green alga Ulva lactuca as a bioindicator of metal pollution was explored by analyzing the concentrations of seven metals in samples collected from 24 intertidal sites around Hong Kong. Half the sites were in rural regions with relatively clean coastal waters; the remaining 12 sites receive industrial and municipal wastes. The mean manganese, iron, nickel, copper, zinc, and lead in algae from urban sites were 4-, 4.6-, 1.8-, 2.3-, 2.4-, and 4.6-fold greater than those from rural sites, respectively. Similar cadmium concentrations were detected in algae from all sites. This species appears to be a suitable indicator of Mn, Fe, Cu, Zn, and Pb pollution.
ISSN:0018-8158
1573-5117
DOI:10.1007/bf00005615