Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Bioindicateurs d'impact dans les ports et les estuaires: les foraminifères
This work is based on about 2,000 samples. It provides a synthetic description of the distribution patterns of foraminiferal assemblages in paralic environments and shows on two examples the effect of human activities on these assemblages. It shows that despite the great diversity of ecological parameters, foraminiferal assemblages are naturally distributed along a few major gradients. Anomalies in this distribution pattern and/or morphological abnormalities of the tests indicate anthropogenic or natural stresses. An increase in the number of individuals, specific richness and test size indicates organic pollution while chemical pollution has an inverse effect. A high dominance of Cribroelphidium excavatum and to a lesser extend of Haynesina germanica may indicate areas subjected to a strong chemical impact while the bolivinids have their maximum relative abundance in the fine sediments of the marina.
Bioindicateurs d'impact dans les ports et les estuaires: les foraminifères
This work is based on about 2,000 samples. It provides a synthetic description of the distribution patterns of foraminiferal assemblages in paralic environments and shows on two examples the effect of human activities on these assemblages. It shows that despite the great diversity of ecological parameters, foraminiferal assemblages are naturally distributed along a few major gradients. Anomalies in this distribution pattern and/or morphological abnormalities of the tests indicate anthropogenic or natural stresses. An increase in the number of individuals, specific richness and test size indicates organic pollution while chemical pollution has an inverse effect. A high dominance of Cribroelphidium excavatum and to a lesser extend of Haynesina germanica may indicate areas subjected to a strong chemical impact while the bolivinids have their maximum relative abundance in the fine sediments of the marina.
Bioindicateurs d'impact dans les ports et les estuaires: les foraminifères
Debenay, Jean-Pierre (Autor:in) / Guillou, Jean-Jacques (Autor:in) / Tsakiridis, Erica (Autor:in) / de Casamajor, Marie-Noëlle (Autor:in)
Revue Française de Génie Civil ; 5 ; 1105-1122
01.10.2001
18 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
Les matieres en suspension dans les estuaires
| Online Contents | 1983
Étude comparative des mouvements sédimentaires dans quelques estuaires
| Online Contents | 2010
Étude comparative des mouvements sédimentaires dans quelques estuaires
| Online Contents | 2010
Considérations sur la sédimentologie des estuaires
| Online Contents | 2010