论文部分内容阅读
Over the past few decades,efforts were addressed to the understanding of the link between ecosystems and human well-being.Gradually,humans began to perceive (and face) that changes imposed to nature by their activities provoke effects,direct or indirect,on all components of well-being.From this perception,the concepts of Ecosystem Services (ES) and natural capital arose and it became urgent the definition and application of metrics and assessment frameworks capable of defining and quantifying ES provided by nature.This is even more important where a protection regime is established (such as in marine protected areas) in order to evaluate the efficacy of undertaken measures.