Stream-deposited sediment is one of the major stressors affecting stream biota. Several methods exist to quantify stream sediment embeddedness, but they are relatively qualitative and operationally defined. The authors developed a short-term in situ embeddedness chamber method to measure aquatic insect recruitment and associated sediment accumulation in a more quantitative, better replicated ma...

In this study the fish assemblages of the silted Aguas Claras stream (AC) was compared with that of a reference, the São Carlos stream (SC), so as to identify potential fish indicators of integrity or degradation. Both streams, located about 5 km from one another, are part of the Upper Paraná river basin, Brazil, and present similar physiographical features. Twenty-one species were collected in...

Forecasting productivity and stress across an ecosystem is complicated by the multiple interactions between competing species, unknown levels of intra- interspecific trait plasticity, dependencies those traits within individuals. Integrating these features into a trait-based quantitative framework requires conceptual synthesis how species their functional interact respond to changing environmen...

Due to the specific natural conditions and high intensity of human activities in Shenzhen, characteristics water soil erosion Shenzhen are prone frequent. There no large rivers, lakes reservoirs rainwater storage capacity is unsubstantial that result some problems such as ecological environment deterioration, river siltation, drainage pipe network blockage, aggravation flood disasters. The work...