RM of Westbourne Bulletin 99-36 - Agriculture and Agri-Food Canada
RM of Westbourne Bulletin 99-36 - Agriculture and Agri-Food Canada
RM of Westbourne Bulletin 99-36 - Agriculture and Agri-Food Canada
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Rural Municipality <strong>of</strong> <strong>Westbourne</strong> Information <strong>Bulletin</strong> <strong>99</strong>-<strong>36</strong> Page 7DERIVED AND INTERPRETIVE MAPSA large variety <strong>of</strong> computer derived <strong>and</strong> interpretive maps can begenerated from the digital soil <strong>and</strong> l<strong>and</strong>scape databases. Thesemaps are based on selected combinations <strong>of</strong> database values <strong>and</strong>assumptions.Derived maps show information that is given in one or morecolumns in the computer map legend (such as soil drainage or slopeclass).Digital databases derived from recent detailed soil inventoriescontain additional detailed information about significant inclusions<strong>of</strong> differing soil <strong>and</strong> slope conditions in each map polygon. Thisinformation can be portrayed at larger map scale than shown in thisbulletin.Information concerning particular interpretive maps, <strong>and</strong> theprimary soil <strong>and</strong> terrain map data, can be obtained by contacting theManitoba Soil Resource Section <strong>of</strong> Manitoba <strong><strong>Agri</strong>culture</strong>, the localPFRA <strong>of</strong>fice, or the L<strong>and</strong> Resource Unit.Interpretive maps portray more complex l<strong>and</strong> evaluations based ona combination <strong>of</strong> soil <strong>and</strong> l<strong>and</strong>scape information. Interpretations arebased on soil <strong>and</strong> l<strong>and</strong>scape conditions in each polygon.Interpretative maps typically show l<strong>and</strong> capabilities, suitabilities, orrisks related to sustainability.Several examples <strong>of</strong> derived <strong>and</strong> interpretive maps are included inthis information bulletin:Derived MapsSlopeGeneralized SoilDrainageManagement ConsiderationsInterpretative Maps<strong>Agri</strong>cultural CapabilityIrrigation SuitabilityPotential Environmental ImpactWater Erosion RiskL<strong>and</strong> UseThe maps have all been reduced in size <strong>and</strong> generalized (simplified)in order to portray conditions for an entire rural municipality on onepage. These generalized maps provide a useful overview <strong>of</strong>conditions within a municipality, but are not intended to apply tosite specific l<strong>and</strong> parcels. On-site evaluations are recommended forlocalized site specific l<strong>and</strong> use suitability requirements.
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