Data/hora: 08/06/2024 18:34:20

Provedor de dados: 	27	
País: 	Belgium	
Título: 	Pollution in the harbour of Ostend (Belgium): biological and hydrographical consequences	
Autores: 	Persoone, G.; De Pauw, N.	
Data: 	1968	
Ano: 	1968	
Palavras-chave: 	Harbours Pollution ANE; Belgium; Oostende Harbour.	
Resumo: 	1. Ostend, situated in the middle of the Belgian coast, is a typical seaside resort with a population of 60,000 in the winter and up to 200,000 in summer. All sewage (to the major part raw dornestic sewage, to a lesser extent sewage of industrial origin) flows into its harbour, causing a daily in flow of ca. one part of sewage per 100 parts of harbour  water. This heavy pollution load causes significant physico-chemical and biological consequences. 2. The number of "estuarine" bacteria has increased enormously due to the great daily input of organic matter. The number of coliform bacteria is high; it decreases towards the seaward entrance of the harbour. 3. The beach in the small vicinity of the harbour is polluted. 4. The harbour water contains low amounts of dissolved oxygen; its transparency is reduced resulting in poor or in non-existent phyto-plankton production. 5. The number of zooplankton species decreases from the outer- to the inner parts of the harbour. 6. The benthos consists of black, completely anoxic mud, which strongly smells of sulfides; its content of organic matter is much higher than that of sediments in the open sea. 7. Rich development of a typical " Aufwuchs" biocoenosis which thrives on the richness in organic matter of the water . 8. Pollution of the harbour must be reduced or halted if even more serious danger is to be prevented.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3438	
Fonte: 	%3Ci%3EHelgol.+Wiss.+Meeresunters.+17%3C%2Fi%3E%3A+302-320	
Fonte: 	info:eu-repo/semantics/restrictedAccess