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Effets climatiques sur les écosystèmes marins. Exemple du recrutement des Crustacés Cirripèdes sur la côte ouest du Cotentin ArchiMer
Dreves, Luc.
A nuclear power plant is set up at Flamanville (Channel; West coast of the Cotentin). For monitoring studies, one species (or a group of species) has been chosen in each major unit for a reference population dynamics study. Hard bottoms are covered by several species of barnacles. These species present different temperature affinities, and have reached here an equilibrium stage. The recruitment period of Balanus balanoides, the main species, has been determined. A relationship is established between the wintry temperature and the numerical importance of its spring recruitment.
Tipo: Text Palavras-chave: Centrale nucléaire; Flamanville; Surveillance; Crustacés cirripèdes; Balanus balanoides; Recrutement; Flamanville; Monitoring; Nuclear power plant; Balanus balanoides; Barnacles; Recruitment.
Ano: 2001 URL: http://archimer.ifremer.fr/doc/00396/50759/51472.pdf
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Crustaceans of the upper Miocene August Town Formation of southeastern Jamaica Naturalis
Collins, J.S.H.; Donovan, S.K.; Stemann, T.A.; Blissett, D.J..
Crustaceans remain poorly known from the Miocene of Jamaica. Herein, we report three species from the upper Miocene August Town Formation of Fowl House Spring, parish of St. Thomas, southeast Jamaica; poorly preserved propodi of a mud shrimp, “Callianassa” sp.; the anterior part of the carapace of Mithraculus sp. aff. Mithraculus coryphe (Herbst); and the cirripede Tetraclita sp. cf. T. stalactifera (Lamarck). Mithraculus sp. aff. M. coryphe at Fowl House Spring considerably extends the stratigraphic occurrence of the genus in the Antillean region down into the Miocene. Hitherto, fossil T. stalactifera in the Caribbean was known from the Plio-Pleistocene of Curaçao and the Pleistocene of Venezuela.
Tipo: Article / Letter to the editor Palavras-chave: Jamaica; Miocene; Barnacles; Cirripedia; Crabs; Decapoda; 38.22.
Ano: 2010 URL: http://www.repository.naturalis.nl/record/361979
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Antifouling effect of bioactive compounds from marine sponge Acanthella elongata and different species of bacterial film on larval attachment of Balanus amphitrite (cirripedia, crustacea) BABT
Ganapiriya,Viswambaran; Maharajan,Athisuyambulingam; Kumarasamy,Pothiappan.
The antifouling activity of bioactive compounds from marine sponge Acanthella elongata (Dendy) and five species of bacterial biofilm were studied. Larvae of Balanus amphitrite (Cyprids and nauplii) were used to monitor the settlement inhibition and the extent to which inhibition was due to toxicity. The crude extract and partially purified fractions of A.elongata showed significant inhibition over the settlement individually, and with the interaction of bacterial species. No bacterial film stimulated the barnacle settlement. The high but variable levels of antifouling activity in combination with less amount of toxicity showed the potential of these metabolites in environmentally-friendly antifouling preparations.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biofouling; Bacterial film; Bacteria; Barnacles; Cyprids; B. amphitrite.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000300010
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Temporal variations in community structure in and around intertidal barnacle (Chthamalus challengeri Hoek) patches on a plebby shore in Japan BJB
APOLINÁRIO,M..
The community structure in and around two barnacle (Chthamalus challengeri Hoek) patches (sites A and B) which extended from the middle to the upper intertidal zone on a pebbly shore in Magarisaki (Amakusa, Kyushu, Japan), was studied during summer and winter of 1995 and 1996. The results show a significant decrease in the proportion of substrate covered by barnacles from January 1995 to July 1996. The number of species, number of individuals, and biomass also decreased in the patch areas through time. There were significant differences between inside and outside the patches for percentage of substrate covered by barnacles, number of individuals, number of species, and biomass during the first year. Numbers of some gastropods were significantly higher in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Barnacles; Chthamalus challengeri; Community structure; Intertidal; Japan.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71081999000100006
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The role of pre-recruitment processes in the maintenance of a barnacle (Chthamalus challengeri Hoek) patch on an intertidal pebble shore in Japan BJB
APOLINÁRIO,M..
To understand the role of pre-recruitment processes (supply of larvae and recruitment) in the maintenance of an intertidal barnacle (Chthamalus challengeri Hoek) patch, the availability of cyprid larvae and the recruitment on natural pebble substrata was monitored on the Magarisaki pebble shore (Amakusa, Kyushu, Japan) during 1995 and 1996. Also, a hypothesis that predation and/or bulldozing by mobile intertidal mollusks during the post-recruitment period could be an important factor in mortality of these barnacles was tested. The collapse of the adult population and the consequent disappearance of the patch were observed by the middle of 1995. The larval availability was low (<FONT FACE="Symbol">@</FONT> 6 cyprid larvae/100 l), as was the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Barnacles; Chthamalus challengeri; Larval supply; Recruitment; Japan.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71081999000200007
Registros recuperados: 5
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