Inland valleys are defined as the upper reaches of river systems. These include valley bottoms and minor floodplains,their hydromorphic fringes and upland slopes and crests. These occupy 22-52 million ha of land in W. Africa and although of good agricultural potential are only marginally used. An agro-ecological characterization developed in the Cte d'Ivoire, is outlined on 4 levels: macro (1:1 000 000-1:5 000 000), reconnaissance (1:100 000-1:250 000), semi-detailed (1:25 000-1:50 000) and detailed (1:5000-10 000).

Coproductie RPD Staring Centrum

Aan de hand van de ruilverkaveling Duiven-Westervoort worden de te stellen eisen aan een geografisch informatiesysteem besproken

The Land Consolidation Act has recently been revised. The changes came
into force on 1 July 2006 and 1 January 2007. The main changes in the Act are that
the land consolidation court now has formal jurisdiction to handle land consolidation
cases for all types of properties independent of location, unless particular cases are
specifically removed from the court's jurisdiction in the Act. The Act provides for
two new types of land consolidation cases in Section 2. The paper analyzes these
different revisions.

One of local government authorities is the implementation of land use planning. Due to implementation land use planning, controlling is needed as effort for the implementation is appropriate with the planning. According to Spatial Planning Act No.26/2007, land use control instruments are zoning regulation, permit, incentive and disincentive, and sanction. In Indonesia, zoning regulation is new instrument and only a few of city that have made and uses zoning regulation as land use control instrument.