NTA-NET (UGC-NET) Geography (80) Cartography-GIS Applications: Thematic Cartography, Spatial Decision Support System Study Material (Page 12 of 20)

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Application of RS/GIS in Forestry

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Introduction

  • To meet the various information requirements in forest management different data sources, like field survey, aerial photography and satellite imagery is used, depending on the level of detail required and the extension of the area under study. Before aerial photography was used for forest management purposes, information was generally obtained by means of field surveys, identifying and measuring forest types and stands.
  • For many decades the use of aerial photographic data has been accepted by many forest institutions as a tool in various forest activities, such as planning, mapping, inventory, harvesting, area determination, road lay-out, and registration of declined and dead…

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Forestry Information Needs and Remote Sensing

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In practice, researchers choose one or several types of remotely sensed data according to their information needs. The information needs are converted to specific properties of remotely sensed data, such as spatial resolution, spectral resolution, temporal resolution, etc.

Forestry Information Needs and Remote Sensing
  • Jensen (2007) defined spatial resolution as “a measure of the smallest angular or linear separation between two objects that can be …

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