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Titolo:
Impacts of oxygen-deficient water on the macrobenthic fauna of Dokai Bay and on adjacent intertidal flats, in Kitakyushu, Japan
Autore:
Ueda, N; Tsutsumi, H; Yamada, M; Hanamoto, K; Montani, S;
Indirizzi:
Kitakyushu City Inst Environm Sci, Aqua Res Ctr, Kitakyushu, Fukuoka 8040082, Japan Kitakyushu City Inst Environm Sci Kitakyushu Fukuoka Japan 8040082 Japan Prefectural Univ Kumamoto, Fac Environm & Symbiot Sci, Kumamoto 8620920, Japan Prefectural Univ Kumamoto Kumamoto Japan 8620920 Kumamoto 8620920, Japan Kagawa Univ, Fac Agr, Kagawa 7610795, Japan Kagawa Univ Kagawa Japan 7610795 wa Univ, Fac Agr, Kagawa 7610795, Japan
Titolo Testata:
MARINE POLLUTION BULLETIN
fascicolo: 11, volume: 40, anno: 2000,
pagine: 906 - 913
SICI:
0025-326X(200011)40:11<906:IOOWOT>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
BENTHIC COMMUNITIES; NORTHERN KYUSHU; FISH; EUTROPHICATION; ENVIRONMENT; RECOVERY; HYPOXIA; ANIMALS; AOSHIO; BOTTOM;
Keywords:
eutrophication; organic enrichment; macrobenthic fauna; intertidal flats; oxygen-deficient water; enclosed coastal sea;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
47
Recensione:
Indirizzi per estratti:
Indirizzo: Ueda, N Kitakyushu City Inst Environm Sci, Aqua Res Ctr, Kitakyushu, Fukuoka 8040082, Japan Kitakyushu City Inst Environm Sci Kitakyushu Fukuoka Japan 8040082
Citazione:
N. Ueda et al., "Impacts of oxygen-deficient water on the macrobenthic fauna of Dokai Bay and on adjacent intertidal flats, in Kitakyushu, Japan", MAR POLL B, 40(11), 2000, pp. 906-913

Abstract

Dokai Bay is surrounded by the city of Kitakyushu, Japan. We assessed the chemical conditions of its waters and sediments, and carried out quantitative samplings of the macrobenthic fauna of the bay and on adjacent intertidal flats from 1992 to 1993. Large amounts of organic matter were deposited on the floor of the bay and intertidal flats due to eutrophication, and resulted in the occurrence of oxygen-deficient water from the bottom to the middle layer during the summer. On the tidal flats, the sediments were kept oxygenated and accessible to benthic animals throughout the year. However, the macrobenthos declined markedly in summer, The oxygen-deficient water of the bay seemed to temporarily upwell onto the intertidal bats causing a catastrophic environmental disturbance. Following this, only a few polychaete species survived, in extremely low densities. (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/01/20 alle ore 10:16:14