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Coastal regions (including estuaries and deltas) are very complex environments with diverse hydrodynamic and bio-geomorphological contexts and with important socio-economic and ecological problems. These systems are among the most affected by human impact through urbanization and port activities, industrial ...
The second theme is the heterogeneity among estuaries. The word ‘estuary’ is used to describe a diversity of water bodies ranging from coastal wetlands toinland seas, and from fjords to river deltas. They include the mouths of large rivers and isolated basins with no freshwater flow. Some ...
In order to track changes in vegetation cover, the red and near-infrared (NIR) bands of false color orthophotos were used to calculate the normalized difference vegetation index (NDVI) 63. Vegetation was classified as present in pixels that exceeded an NDVI-threshold value. Because both different...
andF = 5720). Outliers were omitted from the graphs. Letters above figures denote statistical differences among estuary types, with letters that are the same indicating no significant difference (PERMANOVA, two-tailed, and at 95% confidence interval). Source data are provided as a Source Dat...
Describing the channel as partially and periodically stratified is based on the top-bottom salinity difference, which typically remains below 5–7 practical salinity units (psu), and periodic stratification occurs when this salinity difference returns to zero at some point during the tidal cycle (...
and SCUBA observations of bedform migration, indicate that bedform type is governed by: (a) maximum flood and ebb velocities (U(max) attained at a given locality; (b) velocity asymmetry (difference of maximum flood and ebb velocity); (c) velocity duration (time span above a given velocity...
(Supplementary Fig.5b). Consistent with the results from Experiment 2, the average rates of ammonia and nitrite oxidation in the plastisphere were higher than in the surroundings (P < 0.01, Fig.1f). No significant difference in nitrification rates was observed between the plastisphere types ...
The difference in trends between major taxonomic groups between the work reported in Longley (1994) and this study is that the former was conducted using a microscope, while latter was assessed using HPLC. While HPLC allows greater resolution of groups present compared to using microscopy, there...
Consistent with the results from Experiment 2, the average rates of ammonia and nitrite oxidation in the plastisphere were higher than in the sur- roundings (P < 0.01, Fig. 1f). No significant difference in nitrification rates was observed between the plastisphere types (P > 0.05), except ...