QU'APPELLE RIVER VALLEY LAND PLANNING DATA BASE FLYING CREEK PLANNING AREA CLI LAND CAPABILITY FOR AGRICULTURE 1. Coverage Specifications Original Map Scale: 1:50,000 Resolution : .000061035 of a degree Map Projection : None, i.e. latitude/longitude co-ordinates Datum : NAD27 Spheroid : Clarke 1866 Units of Measure : decimal degrees 2. Level I Latitude/Longitude Digital Data The Qu'Appelle River Valley land planning data in latitude/longitude co-ordinates are intended for GIS users who may wish to perform their own vertical integration of the various layers and themes, or for GIS users who may want to integrate these data with GIS data of their own. Thematic data layers are intentionally extended past the shoreline and as such does not contain the proper definition of shoreline. The data are not projected and co-ordinates, areas and perimeters are in decimal degrees. DO NOT ATTEMPT TO DERIVE AREA STATISTICS FROM THESE DATA UNTIL THEY ARE INTEGRATED WITH A PROPER SHORELINE AND THE RESULTS PROJECTED TO A SUITABLE MAP PROJECTION. If the above restrictions do not meet your GIS objectives, obtain the equivalent Level II UTM data where all data themes have been vertically integrated, and where the results have been projected to UTM. 3. Attribute Schema (Polygon Attribute Table - PAT.DBF) a) Standard ArcInfo Polygon Attribute Table (PAT) variables: AREA Num 13,6 Area, in square degrees PERIMETER Num 13,6 Perimeter, in decimal degrees COVER_# Num 11,0 Standard ArcInfo Polygon Number COVER_ID Num 11,0 Standard ArcInfo User ID b) Original Digital Data Classification: Class_A Char 1 The primary and/or dominant CLI class Percent_A Char 1 The proportion (% base 10) of the polygon in Class_A (blank = 100%) Subclas_A1 Char 1 The primary limitation for the proportion of the polygon in Class_A Subclas_A2 Char 1 The secondary limitation for the proportion of the polygon in Class_A Class_B Char 1 The secondary CLI class Percent_B Char 1 The proportion (% base 10) of the polygon in Class_B (blank = 0%) Subclas_B1 Char 1 The primary limitation for the proportion of the polygon in Class_B Subclas_B2 Char 1 The secondary limitation for the proportion of the polygon in Class_B Class_C Char 1 The tertiary CLI class Percent_C Char 1 The proportion (% base 10) of the polygon in Class_C (blank = 0%) Subclas_C1 Char 1 The primary limitation for the proportion of the polygon in Class_C Subclas_C2 Char 1 The secondary limitation for the proportion of the polygon in Class_C 4. Valid Data Domains - CLI Land Capability for Agriculture VALID CLASSES 1. No significant limitations 2. Moderate limitations, moderate conservation practices required 3. Moderately severe limitations, range of crops restricted or special conservation practices required 4. Severe limitations 5. Forage crops improvement practices feasible 6. Forage crops improvement practices not feasible 7. No capability for arable culture or permanent pasture 8. Unclassified 0 Organic soils VALID LIMITATION SUBCLASSES C. Adverse climate D. Undesirable soil structure and/or low permeability E. Erosion F. Low fertility I. Inundation by streams or lakes M. Moisture limitation N. Salinity P. Stoniness R. Consolidated bedrock S. Cumulative adverse soil characteristics T. Topography limitation W. Excess water X. Cumulative minor adverse characteristics 5. Narrative Description of CLI Land Capability for Agriculture In this classification the mineral soils are grouped into seven classes on the basis of soil survey information. Soils in classes 1, 2, 3, or 4 are considered capable of sustained use for cultivated field crops. Those in classes 5 and 6 only for perennial forage crops and those in class 7 for neither. Some of the important factors on which the classification is based are: The soils will be managed and cropped, under a largely mechanized system. Land requiring improvements, including clearing, that can be made economically by the farmer himself, is classed according to its limitations or hazards in use after the improvements have been made. Land requiring improvements beyond the means of the farmer himself is classed according to present condition. The following are not considered: distances to market, kind of roads, location, size of farms, type of ownership, cultural patterns, skill or resources of individual operators, and hazard of crop damage by storms. The classification does not include capability of soils for trees, tree fruits, small fruits, ornamental plants, recreation, or wildlife. The classes are based on intensity, rather than kind, of their limitations for agriculture. Each class includes many kinds of soil, and many of the soils in any class require unlike management and treatment. CLASS DESCRIPTIONS CLASS 1 SOILS IN THIS CLASS HAVE NO SIGNIFICANT LIMITATIONS IN USE FOR CROPS. THE SOILS ARE DEEP, ARE WELL TO IMPERFECTLY DRAINED, HOLD MOISTURE WELL, AND IN THE VIRGIN STATE WERE WELL SUPPLIED WITH PLANT NUTRIENTS. THEY CAN BE MANAGED AND CROPPED WITHOUT DIFFICULTY. UNDER GOOD MANAGEMENT THEY ARE MODERATELY HIGH TO HIGH IN PRODUCTIVITY FOR A WIDE RANGE OF FIELD CROPS. CLASS 2 SOILS IN THIS CLASS HAVE MODERATE LIMITATIONS THAT RESTRICT THE RANGE OF CROPS OR REQUIRE MODERATE CONSERVATION PRACTICES. THE SOILS ARE DEEP AND HOLD MOISTURE WELL. THE LIMITATIONS ARE MODERATE AND THE SOILS CAN BE MANAGED AND CROPPED WITH LITTLE DIFFICULTY. UNDER GOOD MANAGEMENT THEY ARE MODERATELY HIGH TO HIGH IN PRODUCTIVITY FOR A FAIRLY WIDE RANGE OF CROPS. CLASS 3 SOILS IN THIS CLASS HAVE MODERATELY SEVERE LIMITATIONS THAT RESTRICT THE RANGE OF CROPS OR REQUIRE SPECIAL CONSERVATION PRACTICES. THE LIMITATIONS ARE MORE SEVERE THAN FOR CLASS 2. THEY AFFECT ONE OR MORE OF THE FOLLOWING PRACTICES: TIMING AND EASE OF TILLAGE, PLANTING AND HARVESTING, CHOICE OF CROPS, AND METHODS OF CONSERVATION. UNDER GOOD MANAGEMENT THEY ARE FAIR TO MODERATELY HIGH IN PRODUCTIVITY FOR A FAIR RANGE OF CROPS. CLASS 4 SOILS IN THIS CLASS HAVE SEVERE LIMITATIONS THAT RESTRICT THE RANGE OF CROPS OR REQUIRE SPECIAL CONSERVATION PRACTICES, OR BOTH. THE LIMITATIONS SERIOUSLY AFFECT ONE OR MORE OF THE FOLLOWING PRACTICES: TIMING AND EASE OF TILLAGE, PLANTING AND HARVESTING, CHOICE OF CROPS, AND METHODS OF CONSERVATION. THE SOILS ARE LOW TO FAIR IN PRODUCTIVITY FOR A FAIR RANGE OF CROPS BUT MAY HAVE HIGH PRODUCTIVITY FOR A SPECIALLY ADAPTED CROP. CLASS 5 SOILS IN THIS CLASS HAVE VERY SEVERE LIMITATIONS THAT RESTRICT THEIR CAPABILITY TO PROCUCING PERENNIAL FORAGE CROPS, AND IMPROVEMENT PRACTICES ARE FEASIBLE. THE LIMITATIONS ARE SO SEVERE THAT SOILS ARE NOT CAPABLE OF USE FOR SUSTAINED PRODUCTION OF ANNUAL FIELD CROPS. THE SOILS ARE CAPABLE OF PRODUCING NATIVE OR TAME SPECIES OF PERENNIAL FORAGE PLANTS, AND MAY BE IMPROVED BY USE OF FARM MACHINERY. THE IMPROVEMENT PRACTICES MAY INCLUDE CLEEARING OF BUSH, CULTIVATION, SEEDING, FERTILIZING, OR WATER CONTROL. CLASS 6 SOILS IN THIS CLASS ARE CAPABLE ONLY OF PRODUCING PERENNIAL FORAGE CROPS, AND IMPROVEMENT PRACTICES ARE NOT FEASIBLE. THE SOILS PROVIDE SOME SUSTAINED GRAZING FOR FARM ANIMALS, BUT THE LIMITATIONS ARE SO SEVERE THAT IMPROVEMENT BY USE OF FARM MACHINERY IS IMPRACTICAL. THE TERRAIN MAY BE UNSUITABLE FOR USE OF FARM MACHINERY, OR THE SOILS MAY NOT RESPOND TO IMPROVEMENT, OR THE GRAZING SEASON MAY BE VERY SHORT. CLASS 7 SOILS IN THIS CLASS HAVE NO CAPABILITY FOR ARABLE CULTURE OR PERMANENT PASTURE. THIS CLASS ALSO INCLUDES ROCKLAND, OTHER NON-SOIL AREAS, AND BODIES OF WATER TOO SMALL TO SHOW ON THE MAPS. CLASS 0 ORGANIC SOILS (NOT PLACED IN CAPABILITY CLASSES). SUBCLASS DESCRIPTIONS C ADVERSE CLIMATE. THIS SUBCLASS DENOTES A SIGNIFICANT ADVERSE CLIMATE FOR CROP PRODUCTION AS COMPARED TO THE 'MEDIAN' CLIMATE WHICH IS DEFINED AS ONE WITH SUFFICIENTLY HIGH GROWING-SEASON TERPERATURES TO BRING CROPS TO MATURITY. D UNDESIRABLE SOIL STRUCTURE AND/OR LOW PERMEABILITY. THIS SUBCLASS INDICATES SOILS THAT ARE DIFFICULT TO TILL OR SOILS WHERE WATER IS ABSORBED VERY SLOWLY OR WHERE THE DEPTH OF ROOTING ZONE IS RESTRICTED BY CONDITIONS OTHER THAN A HIGH WATER TABLE OR CONSOLIDATED BEDROCK. E EROSION. THIS SUBCLASS INCLUDES SOILS WHERE DAMAGE FROM EROSION IS A LIMITATION TO AGRICULTURAL USE. DAMAGE IS ASSESSED ON LOSS OF PRODUCTIVITY AND ON THE DIFFICULTIES IN FARMING LAND WITH GULLIES. F LOW FERTILITY. INCLUDED ARE SOILS HAVING LOW FERTILITY THAT EITHER IS CORRECTABLE WITH CAREFUL MANAGEMENT IN THE USE OF FERTILIZERS AND SOIL AMENDMENTS OR IS DIFFICULT TO CORRECT BY ANY PRACTICAL MEANS. THE LIMITATIONS MAY BE DUE TO LACK OF PLANT NUTRIENTS, HIGH ACIDITY OR ALKALINITY, LOW EXCHANGE CAPACITY, HIGH LEVELS OF CARBONATES OR PRESENCE OF TOXIC COMPOUNDS. I INUNDATION BY STREAMS OR LAKES. THIS SUBCLASS INCLUDES SOILS SUBJECTED TO INUNDATION CAUSING CROP DAMAGE OR RESTRICTING AGRICULUTURAL USE. M MOSISTURE LIMITATIONS. THIS CONSISTS OF SOILS WHERE CROPS ARE AFFECTED BY DROUGHT OWING TO INHERENT SOIL CHARACTERISTICS. THESE SOILS USUALLY HAVE LOW WATER-HOLDING CAPACITY. N SALINITY. SOILS OF THIS SUBCLASS POSSESS EXCESSIVE SOLUBLE SALTS WHICH ADVERSELY AFFECT CROP GROWTH OR RESTRICT THE RANGE OF CROPS THAT MAY BE GROWN. P STONINESS. THESE SOILS ARE SUFFICIENTLY STONEY TO HINDER TILLAGE, PLANTING AND HARVESTING OPERATIONS. R CONSOLIDATED BEDROCK. THIS SUBCLASS INCLUDES SOILS WHERE THE PRESENCE OF BEDROCK NEAR THE SURFACE RESTRICTS THEIR AGRICULTURAL USE. CONSOLIDATED BEDROCK AT DEPTHS GREATER THAN 3 FEET FROM THE SURFACE IS NOT CONSIDERED AS A LIMITATION EXCEPT ON IRRIGATED LANDS WHERE A GREATER DEPTH OF SOIL IS DESIRABLE. S THERE ARE TWO INTERPRETATIONS ACCORDED TO SUBCLASS S. IN THE CASE OF MAPS GENERALLY PRODUCED BEFORE 1969, SUBCLASS S WILL BE USED IN PLACE OF SUBCLASSES D, F, M OR N. IF TWO OR MORE OF SUBCLASSES D, F, M OR N ARE APPLICABLE TO THE SAME AREA, THEN AGAIN SUBCLASS S WILL BE SUBSTITUTED. ON MOST OF THE MAPS SUBSEQUENT TO 1969, THE APPLICABLE SUBCLASS D, F, M OR N WILL APPEAR IF AN AREA IS CLASSIFIED WITH A SINGLE SUBCLASS. FOR AREAS CLASSIFIED WITH TWO OR MORE D, F, M OR N THEN SUBCLASS S WILL APPEEAR, DENOTING A COMBINATION OF SUBCLASSES. T TOPOGRAPHY. THIS SUBCLASS IS MADE UP OF SOILS WHERE TOPOGRAPHY IS A LIMITATION. BOTH THE PERCENT OF SLOPE AND THE PATTERN OR FREQUENCY OF SLOPES IN DIFFERENT DIRECTIONS AFFECT THE COST OF FARMING AND THE UNIFORMITY OF GROWTH AND MATURITY OF CROPS AS WELL AS THE HAZARD OR EROSION. W EXCESS WATER. THIS SUBCLASS INCLUDES SOILS WHERE EXCESS WATER OTHER THAN BROUGHT ABOUT INUDATION IS A LIMITATION TO AGRICULTURAL USE. EXCESS WATER MAY RESULT FROM INADEQUATE SOIL DRAINAGE, A HIGH WATER TABLE, SEEPAGE OR FROM RUNOFF FROM SURROUNDING AREAS. X THIS SUBCLASS IS COMPRISED OF SOILS HAVING A LIMITATION RESULTING FROM THE CUMULATIVE EFFECT OF TWO OR MORE ADVERSE CHARACTERISTICS. FOR FULL DETAILS SEE 'THE CANADA LAND INVENTORY, SOIL CAPABILITY CLASSIFICATION FOR AGRICULTURE' REPORT NO. 2, 1969. 6. Accreditation The Canada Land Inventory and Geographic Information System data extraction and distribution is managed by: The Canada Centre for Remote Sensing Natural Resources Canada Government of Canada Room 650 - 615 Booth Street Ottawa, ON, Canada K1A 0E9 Based on significant research and development by: The National Archives of Canada Statistics Canada Agriculture and Agri-Food Canada Data processing completed by: Spatialanalysis Ottawa, Ontario, Canada K1Y ON3 The National Archives of Canada retains intellectual property. (Copyright) Her Majesty the Queen in Right of Canada, 1999.