Mediterranean wetlands have been under pressure for centuries, and lost large extents to various human uses. Despite their apparent simplicity, their surface area and trends have never been quantified precisely. Therefore, this indicator aims at measuring the surface area of existing Mediterranean wetlands, its variations, and assess their condition. It integrates the end-result of diverging public policies, that may lead to either net wetland loss, gain or stability.
The indicator is made of 2 variables: