Encontrados 4 documentos, a visualizar página 1 de 1
Mercury bioaccumulation and the population dynamics of Mesopodopsis slabberi (C...
D'Ambrosio, M.; Marques, S. C.; Azeiteiro, U. M.; Pardal, M. A.; Pereira, E.; Duarte, A. C.; Cardoso, P. G.The mercury bioaccumulation and population dynamics of the mysid Mesopodopsis slabberi was assessed along a mercury gradient in Ria de Aveiro (Portugal). M. slabberi is one of the most important mysid species in European temperate coastal shallow waters playing a key ecological role. Nevertheless, no references were found concerning the possible consequences of the Hg on the trophodynamics of these coastal ecos...
Differences in the Effects of Metals on Growth of Two Freshwater Green Algae (P...
Pereira, M. J.; Resende, P.; Azeiteiro, U. M.; Oliveira, J.; Figueiredo, D. R. deNo abstract available. ; http://dx.doi.org/10.1007/s00128-005-0782-0
Bacterioplankton dynamics in the Mondego estuary (Portugal)
Bacelar-Nicolau, P.; Nicolau, L. B.; Marques, J. C.; Morgado, F.; Pastorinho, R.; Azeiteiro, U. M.In this work, the density of bacterioplankton and environmental parameters were monitored over a 11 month period (July 1999-June 2000), and also during one tidal cycle (15 June 2000), at two sampling stations, in the estuary of River Mondego. These data were treated by multivariate analyses methods in order to identify the key factors that control the dynamics of the bacterioplankton in the estuary. Bacterial d...
Histochemistry and histology in planktonic ecophysiological processes determina...
Pastorinho, M. R.; Antunes, C. P.; Marques, J. C.; Pereira, M. L.; Azeiteiro, U. M. M.; Morgado, F. M.Zooplankton communities in temperate climates exhibit well documented seasonal variability. The reasons proposed to explain this kind of behaviour range from the effect of physical-chemical conditions (salinity, nutrients, temperature) growth rates, mortality, migration rates, food availability and predation. It is noticeable that the majority of the factors mentioned are external to the organisms, being enviro...
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