RM of Miniota Information Bulletin 98-13
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Rural Municipality of Miniota Information Bulletin 98-13 Rural Municipality of Miniota Information Bulletin 98-13 Page 1 Rural Municipality of Miniota Information Bulletin 98-13 Prepared by: Land Resource Unit, Brandon Research Centre, Research Branch, Agriculture and Agri-Food Canada. Department of Soil Science, University of Manitoba. Manitoba Soil Resource Section, Soils and Crops Branch, Manitoba Agriculture. Printed December, 1998 1 Page 2 Information Bulletin 98-13 Rural Municipality of Miniota PREFACE ACKNOWLEDGMENTS This is one of a new series of information bulletins for individual Continuing support for this project has been provided by Brandon rural municipalities of Manitoba. They serve to introduce the newly Research Centre and PFRA Manitoba. The project was initiated by developed digital soil databases and illustrate several typical derived the Land Resource Unit under the Canada-Manitoba Agreement of and interpretive map products for agricultural land use planning Agricultural Sustainability. applications. The bulletins will also be available in diskette format for each rural municipality. The following individuals and agencies contributed significantly to the compilation, interpretation, and derivation of the information Information contained in this bulletin may be quoted and utilized contained in this report. with appropriate reference to the originating agencies. The authors and originating agencies assume no responsibility for the misuse, Managerial and administrative support was provided by: alteration, re-packaging, or re-interpretation of the information. R.G. Eilers, Head, Land Resource Unit, Brandon Research Centre, This information bulletin serves as an introduction to the land Research Branch, Agriculture and Agri-Food Canada. resource information available for the municipality. More detailed G.J. Racz, Head, Department of Soil Science, University of information, including copies of the primary soil and terrain maps Manitoba. at larger scales, may be obtained by contacting Technical support was provided by: Land Resource Unit Room 360 Ellis Bldg, University of Manitoba G.W. Lelyk, and P. Cyr, Land Resource Unit, Brandon Research Winnipeg, Manitoba R3T 2N2 Centre, Research Branch, Agriculture and Agri-Food Canada. Phone: 204-474-6118 FAX: 204-474-7633 J. Fitzmaurice, N. Lindberg, and A. Waddell, Department of Soil Science, University of Manitoba. CITATION G.F. Mills, P. Ag, Winnipeg, Manitoba Land Resource Unit, 1998. Soils and Terrain. An Introduction to the J. Griffiths, and C. Aglugub, Soil Resource Section, Soils and Crops Land Resource. Rural Municipality of Miniota. Information Branch, Manitoba Agriculture. Bulletin 98-13, Brandon Research Centre, Research Branch, R. Lewis, PFRA, Agriculture and Agri-Food Canada. Agriculture and Agri-Food Canada Professional expertise for data conversion, correlation, and interpretation was provided by: W.R. Fraser and R.G. Eilers, Land Resource Unit, Brandon Research Centre, Research Branch, Agriculture and Agri-Food Canada. P. Haluschak and G. Podolsky, Soil Resource Section, Soils and Crops Branch, Manitoba Agriculture. Rural Municipality of Miniota Information Bulletin 98-13 Page 3 INTRODUCTION The location of the Rural Municipality of Miniota is shown in Figure 1. A brief overview of the database information, and general environmental conditions for the municipality are presented. A set of maps derived from the data for typical agricultural land use and planning applications are also included. The soil map and database were compiled and registered using the Geographic Information System (PAMAP GIS) facilities of the Land Resource Unit. These databases were used in the GIS to create the generalized, derived and interpretive maps and statistics in this report. The final maps were compiled and printed using Coreldraw. This bulletin is available in printed or digital format. The digital bulletin is a Windows based executable file which offers additional display options, including the capability to print any portion of the bulletin. Figure 1. Rural municipalities of southern Manitoba. Page 4 Information Bulletin 98-13 Rural Municipality of Miniota LAND RESOURCE DATA Terrain Layer The soil and terrain information presented in this bulletin was A separate terrain layer was produced for municipalities for which compiled as part of a larger project to provide a uniform level of only reconnaissance scale soil map coverage was available. This land resource information for agricultural and regional planning was compiled by aerial photo-interpretation techniques, using recent purposes throughout Agro-Manitoba. This information was 1:50 000 scale stereo airphoto coverage. The terrain information compiled and analysed in two distinct layers as shown in Figure 2. was transferred from the photographs onto the standard RM base and digitized in the GIS. Where the soil and terrain boundaries coincided, such as along prominent escarpments and eroded stream channels, the new terrain line was used for both layers. The terrain line, delineated from modern airphoto interpretation, was considered more positionally accurate than the same boundary portrayed on the historical reconnaissance soil map. Each digital terrain polygon was assigned the following legend characteristics: Surface form Wetland size Slope Erosional modifiers Slope length Extent of eroded knolls Percent wetlands The four legend characteristicson the left are considered differentiating, that is, a change in any of these classes defines a new polygon. Soil Layer Older, reconnaissance scale soil maps (1:126 720 scale) represented the only available soil data source for many rural municipalities. These maps were compiled on a soil association basis, in which soil landscape patterns were identified with unique surficial geological Figure 2. Soil, Terrain and Base Map data. deposits and textures. Each soil association consists of a range of Base Layer different soils ("associates") each of which occurs in a repetitive position in the landscape. Modern soil series that best represent the Digital base map information includes the municipality and soil association were identified for each soil polygon. The soil and township boundaries, along with major streams, roads and modifier codes provide a link to additional databases of soil highways. Major rivers and lakes from the base layer were also used properties. In this way, reconnaissance soil map polygons were as common boundaries for the soil map layer. Water bodies larger related to soil drainage, surface texture, and other soil properties to than 25 ha in size were digitized as separate polygons. produce various interpretive maps. Rural Municipality of Miniota Information Bulletin 98-13 Page 5 SOIL AND TERRAIN OVERVIEW terrain with relief under 3 m and slopes less than 2 percent except for the sharply hilly terrain associated with the Arrow Hills (page 9). The Rural Municipality (RM) of Miniota covers an area of 9 Greatest local relief occurs adjacent to the prominent glacial townships (approximately 87 038 hectares) of land in western meltwater channels containing the Assiniboine River and the Manitoba (page 3). The Village of Miniota is the largest population Birdtail Creek. These valleys lie some 45 to 75 meters below the and service center in the municipality. Small concentrations of land surface. Slopes along the valley sidewalls and tributary people reside in the villages of Beulah, Crandall, Isabella, and streams and gullies commonly exceed 30 percent whereas the Arrow River and on the Birdtail Creek Indian Reserve. However, bottom lands within the valleys are dominantly level to very gently most of the population is rural farm-based. undulating. The climate in the municipality can be related to weather data from The soil materials in this RM consist mainly of loamy textured Virden located 24 km to the south. The mean annual temperature glacial till (morainal) deposits. Areas of deep sand and gravel at Virden is 2.5/C and the mean annual precipitation is 460 mm glaciofluvial deposits are usually sandy at the surface, becoming (Environment Canada, 1993). The average frost-free period is 118 coarser at depth. Shaly sand and gravel and shale till is common in days and degree-days above 5/C average 1632 (Ash, 1991). The the Arrow Hills. Areas of water-worked glacial till covered by calculated seasonal moisture deficit for the period between May and overlays occur on both sides of the Assiniboine valley. The ravines September for the area ranges from slightly less to slightly more and gullies associated with the side walls of the river valley are than 250 mm. The estimated effective growing degree days (EDD) characterized by stream eroded glacial till and in places shale rock above 5/C accumulated from date of seeding to the date of the first mantled with till, colluvium and slump debris (page 11). fall frost is between 1300 and 1400 (Agronomic Interpretations Working Group, 1995). These parameters provide an indication of Soils in the municipality have been mapped at a reconnaissance map length of growing season and the moisture and heat energy available scale of 1:126 720 and published in the soil survey report for the for crop growth. This growing season is considered sufficient for Rossburn and Virden Map Sheet Areas (Ehrlich et al, 1956). production of small grain and cool-season oilseed crops adapted to According to the Canadian System of Soil Classification (Expert western Canada. Committee on Soil Survey, 1987), soils in the municipality are classified