Data/hora: 04/06/2024 07:43:04

Provedor de dados: | 5
País: | France
Título: | Comparison of benthic foraminifera and macrofaunal indicators of the impact of oil-based drill mud disposal
Autores: | Denoyelle, Marieva; Jorissen, Frans J.; Martin, Daniel; Galgani, Francois; Mine, Jacques.
Data: | 2010-11
Ano: | 2010
Palavras-chave: | Bio-indicators; Biotic index; Drilling mud; Foraminifera; Macrofauna.
Resumo: | We compare foraminifera and macrofauna as bio-indicators of oil-based drill mud disposal site off Congo. The most polluted sites are characterized by poor faunas, dominated by some very tolerant taxa. Slightly further from the disposal site, there is an area with strongly increased densities, heavily dominated by opportunistic taxa. Still further, macrofauna appears to be similar to that at the reference area, but the foraminiferal meiofauna still suggests a slight environmental perturbation. The foraminiferal FIEI index, based on the species distribution in the study area, appears to be more discriminative than the macrofaunal ITI index, based on a priori definitions of the trophic guilds of the various taxa. Our comparative approach allows us to point out the benefits of (1) the use of macrofauna and foraminifera together and (2) the definition of the species groups used in biotic indices on the basis of observations made directly in the study area. (C) 2010 Elsevier Ltd. All rights reserved.
Tipo: | Text
Idioma: | Inglês

Identificador:

http://archimer.ifremer.fr/doc/00019/13027/10203.pdf

DOI:10.1016/j.marpolbul.2010.07.024

Editor: | Pergamon-elsevier Science Ltd
Relação: | http://archimer.ifremer.fr/doc/00019/13027/
Formato: | application/pdf
Fonte: | Marine Pollution Bulletin (0025-326X) (Pergamon-elsevier Science Ltd), 2010-11 , Vol. 60 , N. 11 , P. 2007-2021
Fonte: | 2010 Elsevier Ltd All rights reserved.