Dorset rowing, sea kayaking and powerboating. Dorset has a varied landscape featuring broad elevated chalk downs, steep limestone ridges and low-lying clay valleys. Over half the county is designated as an Area of Outstanding Natural Beauty. Three-quarters of its coastline is part of the Jurassic Coast Natural World Heritage Site due to its geological and palaeontologic significance. It features notable landforms such as Lulworth Cove, the Isle of Portland, Chesil Beach and Durdle Door. Agriculture was traditionally the major industry of Dorset but is now in decline and tourism has become increasingly important to the economy. There are no motorways in
Operational Guidelines for the Implementation of the World Heritage Convention the World Heritage List and the way to it is to be found in Chapter 2. Before properties can be proposed for inscription as a World Heritage Site, they must be on the tentative lists of the States Parties. The properties must be of Outstanding Universal Value (OUV) which means "cultural and/or natural significance which is so exceptional as to transcend national boundaries and to be of common importance for present and future generations of all humanity". There are ten criteria for the assessment of OUV. Criteria (i)-(vi) for cultural heritage, (vii)-(x) for natural heritage. Properties nominated under criteria (i)