Estuarine systems
Longitudinal chemical gradients in estuarine systems
... for estuarine systems can be carried out by collecting water samples over the central region of a s stream’s flow, for a specific depth, while selecting locations where the salinity variations are less ...
104
Fish physiological and biochemical responses as indicators of habitat quality in estuarine systems
... all systems for both 2005 and ...reduced estuarine fish production in the Mondego estuary was related to an extreme drought event in 2005, and Smith et ...decreased estuarine habitat quality for ...
190
Salinity as a key selector on the activity and diversity of ammonia oxidizers in estuarine systems
... In this study, we evaluated the influence of a salinity gradient (short-term effect) as well the fluctuation of salinity effect (long-term effect) on two distinct sediment sites from an estuarine system. Results ...
168
Tidal changes in estuarine systems induced by local geomorphologic modifications
... northern and central Mediterranean countries, Spain, Greece, Italy, France and Portugal ( Crisman et al., 2009 ), with a large number of them located inside estuarine systems. However, the production of ...
11
Spatial and temporal variation of fish assemblages in estuarine systems : habitat use, dependence and connectivity
... of estuarine habitat use by fish assemblages were determined within and among nine estuarine systems along the Portuguese ...each estuarine system with a beam trawl. Estuarine habitats ...
184
Perspectives on the microbial carbon pump with special reference to microbial respiration and ecosystem efficiency in large estuarine systems
... It has been suggested that microbial enzymatic activity plays an important role in the formation of small-molecule RDOC (Amon and Benner, 1996; Ogawa et al., 2001). Nonspecific or promiscuous enzymatic activities may ...
12
Trophic dynamics (Dissolved Inorganic Nitrogen-DIN and Dissolved Inorganic Phosphorus-DIP) in tropical urban estuarine systems during periods of high and low river discharge rates
... the rE showed significant differences in the dimensions of fluvial discharge relative to the other systems studied. However, the nutrient concentrations in the Capibaribe Basin still influenced the weighted ...
18
Salt marshes role in Phosphorus cycling: importance to natural remediation of estuarine systems
... marine systems often subjected to high nutrient loadings due to anthropogenic activity that can lead to systems eutrophication (Tobias et ...aquatic systems in several forms such as longer chain ...
48
The effects of anthropogenic stressors on the food quality in estuarine systems
... Traditional effect and risk assessment have been routinely focused on exposures to single chemicals, which may underestimate the risks associated with toxic action of mixtures. Thus, the potential synergistic effects ...
244
Connectivity among estuarine and coastal fish populations using otolith geochemistry
... in estuarine environment which might allow the accurate reconstruction of habitat use of juvenile Solea ...from estuarine source areas to adult coastal populations allowed the successful identification of ...
181
Monitoring water quality in estuarine environments: lessons from the MAGEST monitoring program in the Gironde fluvial-estuarine system
... In such a context of long-term environmental changes, i.e. climate and population growth, the development of a long- term monitoring program of the fluvial-estuarine system of the Gironde had thus appeared ...
10
Methodologies for a sustainable development of estuarine ecosystems
... In the last decades, the contamination of estuaries and lagoons has been considerably increasing worldwide as a result of anthropogenic activities. These ecosystems are recognized as an important component of continental ...
162
Hydrological and photochemical influence on dynamics of estuarine bacteria
... 2007). Estuarine dissolved organic carbon (DOC) pools relatively enriched with proteinaceous compounds are of higher quality than pools dominated by dissolved carbohydrates derived from complex plant ...
171
Dynamic of estuarine prokaryotic communities and the nitrogen cycle
... 58 Estuaries are the interfaces between land and coastal sea, through which pass all material leached from land into the rivers, as well as anthropogenic discharges, being highly dynamic, productive and impacted ...
138
FIRST EVALUATION OF GENOTOXICITY OF MACAÉ (RJ) ESTUARINE WATERS
... in estuarine sediments (28 – 52 µg/g) compared to the natural levels, represented by the rock Pb content (range of 13 – 23 µg/g) was attributed to anthropogenic sources such as phosphate fertilizers and ...
8
Arrestment of the estuarine plume in Maputo bay, Mozambique
... an estuarine circulation, with the deeper inward cell showing increased velocities while the area of outward flow expands towards the centre and top of the bay’s ...strong estuarine-type circulation, ...
129
Bioremediation of Pharmaceuticals by Autochthonous Microorganisms in Estuarine Environment
... from estuarine sediment and the other from activated sludge from WWTP, and three consortia derived from Bezafibrate enrichment, two under static conditions, of which one was obtained from estuarine sediment ...
67
Exploring hydrocarbonoclastic bacterial communities in the estuarine surface microlayer
... the estuarine surface microlayer (SML) of the Ria de Aveiro, Portugal — which is chronically polluted with oil hydrocarbons (OH) — were isolated and characterized; Pseudomonas was dominant among the PAH-degrading ...
11
HERA - Environmental Risk Assessment of a contaminated estuarine environment: a case study
... The Sado estuary is a large estuarine basin ( 180 km2) located in SW Portugal, characterized by its high biogeographical diversity and high ecological and socio-economic importance. The area comprises the city ...
90
Isolation of Surfactant-Resistant Pseudomonads from the Estuarine Surface Microlayer
... Estuarine surface microlayer (SML) samples were obtained next to a shipping dock in Ria de Aveiro (northwest Portugal), a shallow (mean depth 1 m) branched estuarine ecosystem, also described as a coastal ...
9