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3 What is Meant by Land Use Change?
Pages 30-36

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From page 30...
... Zonneveld LANDSCAPE STABILITY Because of the vertical and horizontal heterogeneity of landscapes, researchers from many disciplines use land survey data. Zoologically oriented landscape ecologists study the effects of horizontal heterogeneity on animal populations (Merriam, 1984; Forman, 1982~.
From page 31...
... The simplest example of manipulating landscape stability by pattern is the contour arrangement of land parcels to prevent soil erosion. Contour ploughing is at the smallest scale of landscape management.
From page 32...
... In developing countries, assessment of land use over large areas is often difficult without remote sensing. In combination with statistical data, such as those from an agricultural census, and ground truth, remote sensing meets basic land use measurement needs.
From page 33...
... The choice between the various scales and means for remote sensing depends on the nature of the land area, the purpose for the resulting information, and the general economic and political situation (which often determines the availability of data for nonmilitary use)
From page 34...
... This ground truth is used to more fully interpret the remote-sensing images already gathered (Kuchler and Zonneveld, 1988~. Computer-Assisted Interpretation Since the early days of remote sensing, people have tried to automatize interpretation.
From page 35...
... However, in certain regions with characteristic complex land use patterns and distinct growing seasons, it is possible to calculate general data about production potential (Groten, 19919. An enormous constraint to collecting usable data in many developing countries is the restriction in use of aerial photography due to security reasons.
From page 36...
... Cox, J.A. 1988 Remote sensing and land evaluation for planning elephant corridors in Sri Lanka.


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