chapter 1 Toxicity tests for sediment quality assessments -- chapter 2 Bioassays and tiered approaches for monitoring surface water quality and effluents -- chapter 3 Biomarkers in environmental assessment -- chapter 4 Molecular methods for gene expression analysis: ecotoxicological applications -- chapter 5 Bioassays and biosensors: capturing biology in a nutshell -- chapter 6 Satellite remote sensing in marine ecosystem assessments -- chapter 7 Risk perception and public communication of aquatic ecosystem assessment information -- chapter 8 Ecotoxicological testing of marine and freshwater ecosystems: synthesis and recommendations.