| Titre : | Hydrobiologia 587 - AUG 2007 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Ana Re, Auteur ;
A. M. Rodrigues, Auteur ;
V. Quintino, Auteur
This study reports on the use of the estuarine amphipod Corophium multisetosum in acute toxicity testing. The species was successfully acclimated to the laboratory and was used in a water-only whole effluent
Article
Daniele Nizzoli, Auteur ;
Marco Bartoli, Auteur ;
Pierluigi Viaroli, Auteur
Fluxes of dissolved oxygen and ammonium across the water sediment interface were measured in a control and in an experimental area farmed with the clam Tapes philippinarum. Young clams were seeded in March 2003 at mean (similar to 500 ind m(-2))[...]
Article
Miguel Caetano, Auteur ;
M.-J. Madureira, Auteur ;
C. Vale, Auteur
Depth profiles of Fe, Mn, (HS)(t), Cu and Cd concentrations in pore water were determined on a seasonal scale in intertidal sediments of Ria Formosa. Concentrations of Cu and Cd were also determined in near-bottom water during the short period t[...]
Article
Carlos Fernandez-Delgado, Auteur ;
F. Baldo, Auteur ;
C. Vilas, Auteur ;
D. Garcia-Gonzalez, Auteur ;
J. A. Cuesta, Auteur ;
E. Gonzalez-Ortegon, Auteur ;
P. Drake, Auteur
Within the Guadalquivir estuary, young recruits of marine species seem to respond to changes in freshwater flow by moving with the mass of estuarine water that is most "suitable" for them. The control of the river flow, from a dam 110 km upstrea[...]
Article
Maria Jose Costa, Auteur ;
R. Vasconcelos, Auteur ;
J. L. Costa, Auteur ;
H. N. Cabral, Auteur
The influence of river flow on the fish community was assessed for the Tagus estuary (Portugal), based on sampling surveys carried out between 1979 and 2002. Four estuarine areas were sampled using similar fishing gear and effort in all the year[...]
Article
H. Teixeira, Auteur ;
F. Salas, Auteur ;
M. A. Pardal, Auteur ;
J. C. Marques, Auteur
In accordance with the Water Framework Directive guidelines (WFD, 2000, European Communities Official Journal L327 2000/60/EC), classification schemes and ecological evaluation tools (based on benthic invertebrate fauna data sets from 1990 to 20[...]
Article
Dalia Freitas, Auteur ;
J. Gomes, Auteur ;
T. Sales Luis, Auteur ;
L. Madruga, Auteur ;
C. Marques, Auteur ;
G. Baptista, Auteur ;
L. M. Rosalino, Auteur ;
P. Antunes, Auteur ;
R. Santos, Auteur ;
M. Santos-Reis, Auteur
The degree of conflict between otter conservation and fish farming was assessed at Sado estuary (SW Portugal), using ecological (otter visiting rates to fish farms and consumption of commercial fish) and socio-economic (past and current instrume[...]
Article
Sofia Saraiva, Auteur ;
P. Pina, Auteur ;
F. Martins, Auteur ;
M. Santos, Auteur ;
F. Braunschweig, Auteur ;
R. Neves, Auteur
The effects of implementing Directive 91/271/EEC of 21 May 1991 (Waste Water Treatment Plan Directive) and Directive 91/676/EEC of 12 December (Nitrates Directive) are analysed in 7 Portuguese estuaries (Minho, Lima, Douro, Mondego, Tagus, Sado [...]
Article
Nuno Salgueiro, Auteur ;
I. Caçador, Auteur
Short-term sediment deposition was studied at four salt marsh areas in the Tagus estuary. In areas covered with Sarcocornia perennis, Sarcocornia fruticosa, Halimione portulacoides and Spartina maritima and also in the non-vegetated areas, sedim[...]
Article
Ana Luisa Costa, Auteur ;
M. Carolino, Auteur ;
I. Caçador, Auteur
This study provides some results about microbial activity in salt marsh sediments. Microbial activity was determined by profiling extracellular enzyme activities in three Tagus estuary marshes and in two sediments horizons: surface layer (0-2 cm[...]
Article
Isabel Cacador, Auteur ;
A. L. Costa, Auteur ;
C. Vale, Auteur
The role of salt marshes as nitrogen sink is examined taking into consideration the seasonal variation of above and belowground biomass of Spartina martima and Halimione portulacoides in two marshes from Tagus estuary, Pancas and Corroios, and t[...]
