Amazonian freshwater habitats experiencing environmental and socioeconomic threats affecting subsistence fisheries

Amazonian freshwater habitats experiencing environmental and socioeconomic threats affecting subsistence fisheries

Matching the trend seen among the major large rivers of the globe, the Amazon River and its tributaries are facing aquatic ecosystem disruption that is affecting freshwater habitats and their associated biodiversity, including trends for decline in fishery resources. The Amazon's aquatic ecosystems, linked natural resources, and human communities that depend on them are increasingly at risk fro...

Control and Regulation of Freshwater Fisheries

Environmental threats

crops for biofuel are becoming increasingly apparent. Richard Pike, chief executive of the Royal Society of Chemistry in London recently estimated that it would require the entire production of biofuel crops from 20 hectares to replace the kerosene for just one transatlantic flight from London to New York. Just a few kilometres from Heathrow is Windsor Great Park, a 2,000 hectare former Norman ...

Large-scale degradation of Amazonian freshwater ecosystems.

Hydrological connectivity regulates the structure and function of Amazonian freshwater ecosystems and the provisioning of services that sustain local populations. This connectivity is increasingly being disrupted by the construction of dams, mining, land-cover changes, and global climate change. This review analyzes these drivers of degradation, evaluates their impacts on hydrological connectiv...

THE VIOLENCE OF ADOLESCENT LIFE: Experiencing and Managing Everyday Threats

This article examines the experiences of 43 adolescents living in Denver, Colorado, from 1994 to 1996—the 2-year period following the peak of the youth violence epidemic. Where the dominant theories explaining inner-city violence tend to focus on disadvantaged communities, this study sampled youths from 5 neighborhoods with varying crime, poverty, family stability, and resident mobility rates. ...