Harmful algal bIoom species are the cause of important damages to marine living resources and human beings. These marine species are primarily introduced in North-European waters through ballast water, i.e. water trans-ported across the oceans so as to keep a vessel in balance. Port authorities...

This paper introduces and surveys ecological-economic analysis of biodiversity. It seeks to identify the complex linkages between economic and ecological systems with a view to a solid exploration of valuation issues in biodiversity. Against this background the study offers a review of key...

The values of goods and services provided by natural and constructed wetlands are examined through a meta-analysis of 418 observations of the economic value of 186 wetlands. Water quality improvement, non-consumptive recreation, and provision of natural habitat and biodiversity turn out to be...