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Decline of the Jakarta Bay molluscan fauna linked to human impact Naturalis
Meij, S.E.T. van der; Moolenbeek, R.G.; Hoeksema, B.W..
In 1937/38 representative mollusc collections were made in Jakarta Bay (West Java, Indonesia). New data from here and the adjacent offshore Thousand Islands archipelago (Kepulauan Seribu) became available in 2005. Although collecting efforts and sampling methods differed, a comparison of the molluscan fauna of Jakarta Bay between 1937/38 and 2005 reveals a distinct deterioration. From 1937 to 2005, Jakarta Bay received increasing amounts of sewage from the greater Jakarta area, as well as increased sediment input from the deforested West Java hinterland. Predatory gastropods and numerous mollusc species associated with carbonate (reef) substrate have vanished from Jakarta Bay, among which many edible species.
Tipo: Article / Letter to the editor Palavras-chave: Java; Kepulauan Seribu; Reef degradation; Anthropogenic influence; Scientific collections; Mollusca.
Ano: 2009 URL: http://www.repository.naturalis.nl/record/409034
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Long-term changes in coral assemblages under natural and anthropogenic stress in Jakarta Bay (1920–2005) Naturalis
Meij, S.E.T. van der; Suharsono; Hoeksema, B.W..
Coral reefs in Jakarta Bay have been subjected to scientific studies since the 1920s. Also from that time on biological collections were made. The reefs in the Jakarta Bay have been under long-term natural and anthropogenic stress. With the biological collections and historical documents the coral species richness in Jakarta Bay around 1920 was reconstructed. New data from this bay and the adjacent offshore Thousand Islands archipelago were obtained during a 2005 research expedition. A comparison of the coral assemblages between 1920 and 2005 reveals a clear decline in species numbers. The most prominent results include the near-shore disappearance of species belonging to the families Acroporidae, Milleporidae, and to a lesser extent Poritidae. The overall...
Tipo: Article / Letter to the editor Palavras-chave: Biodiversity change; Global change; Kepulauan Seribu; Reef degradation; Scientific collections; Scleractinia.
Ano: 2010 URL: http://www.repository.naturalis.nl/record/409044
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