Hydropower dams substantially modify lotic ecosystems. Most studies regarding their
ecological impacts are based on large dams and provide little information about the far more …

Despite the historical focus on water quality, it is becoming increasingly evident that physical
habitat conditions also significantly affect lake biota. We examined associations between …

Measures of near-shore physical habitat structure have only recently been employed in
large-scale assessments of lake ecological condition. We outline and evaluate a rapid …

Effective assessment of ecological quality in aquatic ecosystems has become an important
issue for researchers and environmental managers worldwide. The potential of …

Reservoirs are artificial ecosystems with multiple functions having direct and indirect
benefits to humans; however, they also cause ecological changes and influence the …

Large reservoirs are an increasingly common feature across tropical landscapes because of
their importance for water supply, flood control and hydropower, but their ecological …

Abstract The Reference Condition Approach (RCA) is now widely adopted as a basis for the
evaluation of the ecological quality of water bodies. In accordance with the RCA, the integrity …

Although ponds are rich ecosystems for the maintenance of aquatic biodiversity, in many
regions of the world, they have been adversely affected by anthropogenic changes in …

Throughout human history, water has undergone changes in quality. This problem is more
serious in dry areas, where there is a natural water deficit due to climatic factors. The aims of …

Os odonatas são insetos com grande habilidade para voo durante a fase adulta, habitando
locais com presença de água como lagos e rios ou mesmo pequenas poças d'água …