L'espace est hétérogène. Il est donc discontinu. Île et frontière sont des discontinuités fortes, traversées par des systèmes. Ce sont aussi des objet...
The bailiwicks of Jersey and Guernsey have a terrestrial surface area of 196 km2 and together with their surrounding waters, cover a total surface are...
Located in an indentation in the northwestern coast of France, the British Crown dependencies of Jersey and Guernsey were a contested zone during the ...