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Five biomarkers, catalase (CAT) activity, glutathione-S-transferase (GST) activity, the neural transmitter enzyme acetylcholinesterase (AChE), reduced glutathione (GSH) and malondialdehyde (MDA) levels were measured in specimens of Fulvia fragilis collected from Bizerta lagoon (Tunisia). Results...
The influence of the proximity of urbanization and agriculture to stream water quality is often difficult to quantify. The objectives of this study were to (1) compare the influence of far-field land-use, encompassing a watershed drainage area, to a near-field, 200-m buffer on each side of the...
The main objective of the present study was to evaluate the concentration of trace metals in eight species of Caprella from sites of different degree of pollution along Southern Spain, and compare them with nine additional species of peracaridean crustaceans (5 gammarids, 3 isopods and 1 tanaid)...
The environmental legislation of many countries increasingly requires the continuous monitoring of fish assemblages to evaluate the success of river and stream restorations. Predicting species–environment relationships on the basis of monitoring data is central in the evaluation of ecological...
Sustainable development indicators (SDIs) are one of the most frequently used tools to assess sustainable development from an international to a local scale, supporting evaluation and reporting purposes. Indicators can also be particularly useful in addressing the growing need for interaction at...
The concentrations of heavy metals in the roots, rhizomes, stems and leaves of the aquatic macrophyte Phragmites australis (common reed), and in the corresponding water and sediment samples from the mouth area of the Imera Meridionale River (Sicily, Italy), were investigated to ascertain whether...
Aerial sketch-map surveys and systematic forest field inventories may be used separately or in combination to indicate the status of regional forest health. During recent decades, aerially conducted sketch-maps of forest damage and forest inventories have been used to assess oak ( Quercus spp)...
Forest biodiversity cannot be measured and monitored directly. Indicators are needed to tackle this task and must be based on scientifically valid relationships concerning different levels of biodiversity. In addition, indicators must provide tangible goals for forest policy and other relevant...
Biological indicators based on fish assemblage characteristics are used to assess stream condition worldwide. Fish-based bioassessment poses challenges in Southern New England, the USA, due to the effects of within-watershed thermal gradients on fish assemblage types, low regional species...
The main goal of our research was to determine which indicators describing cumulative stress might better explain the differences observed in diversity components of reef fish assemblages off Havana City, Cuba. A total of 35,078 individuals of 119 species were counted in 480 stationary point...
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