Ecological Land Classification of Mount Revelstoke and Glacie r ...

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Table 6. Characteristics of Residuum A .Textural PropertiesGenetic Dominant Calcareous- Fine CoarseMaterial Unit Source ness Earth FragmentsResiduum A Noncalcareous, Noncalcareous 20-90% sand, 50-90%medium and me-0-20% claydium to coars egrained, metasedimentarybedroc kto 90% angular coarse fragments of all sizes, including large boulders . At some sites, this rubbly materialappears till-like . It may have been valley wall till that descended with the landslide orice-modified material if the landslide fell onto a valley glacier . There is no strong evidence either wa yand the landslide age is either late glacial or early postglacial . Eolian material B (altered, mediu mtextured) often mantles well vegetated, rubbly localities as a thin, discontinuous veneer among th elarger coarse fragments . The ground surface remains very to exceedingly stony (C .S .S .C . 1978b) anda few boulders are as large as a house .The subdominant, but distinctive, blocky localities consist of loosely packed boulders (fragments>256 mm) and stones interspersed with large voids . Little or no fine earth is present and the fragmentalmaterial supports only sparse plant cover .The landslide surface is hummocky and reflects genesis rather than bedrock control . Slopes are 15 to30%, highly complex, and of various lengths . Short, gully-like features, often occurring in block ymaterial, and small river-cut terraces with gentle slopes add to topographic complexity .COLLUVIAL GENETIC MATERIA LColluvial genetic material (C) is generated either by gravity-induced slow mass movement or rapi ddownslope displacement of individual rock fragments. It is a subset of colluvial material as define dby C .S .S.C . (1978a) . Soil creep, rockfall, and snow avalanching, with avalanche related fluvial activityincluding mudflows (Ryder 1978, 1981), are mainly responsible for colluvial material accumulation.Colluvium is generally postglacial and mantles steep valley walls . Veneers are most abundant at highelevations (Alpine and Upper Subalpine) and the deposits often deepen downslope, if the slope doe snot steepen . Blankets and veneers are abundant at lower elevations (Interior Cedar-Hemlock an dLower Subalpine) . Colluvial aprons are the deepest deposits and form the lower walls in several valleys.They are invariably associated with snow avalanching but rockfall and avalanche related fluvia lactivity have also occurred . Consolidated bedrock usually underlies colluvium but, at a few sites ,weathering of the bedrock surface has been sufficient to produce veneers of Residuum A (noncalcareous,medium to coarse textured) . This is more likely to occur in recessive, highly jointed, slaty t oshistose strata . Small bedrock outcrops occur sporadically in most colluvial landscapes, except fo raprons and craggy terrain . The former have no exposed bedrock while the latter are characterized b ydiscontinuous colluvial veneers plus bedrock outcrops including large massive cliffs . Craggy terrain ismost extensive in areas with resistant bedrock (Hamill Group and Shuswap Metamorphic Complex ,Fig. 2) and increases in extent with increasing elevation .Colluvial slopes are usually long, straight and 45 to >100% although slopes
sparsely vegetated and unvegetated localities, excluding most exposed bedrock and blocky, fragmenta ltalus, are still active, being affected by both erosional and depositional processes .Two colluvial genetic material units (Colluvium A and Colluvium B) were distinguished in MRN Pand GNP primarily on textural characteristics (Table 7) . Both are noncalcareous and soils developedon them usually are strongly to extremely acid (pH
Page 1: Alberta Instituteof PedologyUnivers
Page 4 and 5: CHAPTER V - ECOLOGICAL INTEGRATION
Page 6 and 7: TABLES1 . Temperature (°C) ranges
Page 8 and 9: Wildlife features of Cutbank (CT) E
Page 10 and 11: 18. Sampled Eluviated Dystric Bruni
Page 12 and 13: 53. RD3 sample site with the heathe
Page 14 and 15: ABSTRACTMount Revelstoke and Glacie
Page 16 and 17: NFig . 1 . Location and drainage sy
Page 18 and 19: MRNP contains several high elevatio
Page 20 and 21: o'Table 2 . Temperature data (°C)
Page 22 and 23: Table 4. Snow depths for stations i
Page 24 and 25: STRUCTURAL FRAMEWOR KBedrock in the
Page 26 and 27: area (Fulton et al. 1984) which inc
Page 30 and 31: Table 7. Characteristics of colluvi
Page 32 and 33: Table 8 . Characteristics of morain
Page 34 and 35: Table 9 . Characteristics of Ice Co
Page 36 and 37: Fig . 5 . Textural variation among
Page 38 and 39: ORGANIC COMPONENTThe organic landfo
Page 40 and 41: Soil Reaction : with a pH meter usi
Page 42 and 43: BRUNISOLIC SOIL SBrunisolics occur
Page 44 and 45: Gleysolics are most common on flat
Page 46 and 47: CHAPTER III - VEGETATIO NP .L .Achu
Page 48 and 49: Fig . 6 . Ecoregions of Mount Revel
Page 50 and 51: ALPINE ECOREGIO NThe Alpine Ecoregi
Page 52 and 53: C14 is mature successionally with s
Page 54 and 55: In the western Cascades of Washingt
Page 56 and 57: Table 17 . Stands of the balsam pop
Page 58 and 59: C47: Tsuga mertensiana-Abies lasioc
Page 60 and 61: Table 20 . Stands of the Engelmann
Page 62 and 63: Table 22 . Stands of the western he
Page 64 and 65: Table 23 . Stands of the western re
Page 66 and 67: Binkley and Graham (1981) describe
Page 68 and 69: Table 26. Stands of the Engelmann s
Page 70 and 71: 011 : Picea spp ./Ledum groenlandic
Page 72 and 73: Table 29 . Stands of the aspen-west
Page 74 and 75: Vegetation : The tree layer is open
Page 76 and 77: Table 32 . Stands of the subalpine
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Table 34 . Stands of the subalpine
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Table 36 . Stands of the willow-mou
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Table 38 . Stands of the alder/skun
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Table 40. Stands of the mountain av
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Other Studies : H2 is also describe
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Vegetation : Carex aquatilis (50-80
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Table 45 . Stands of the fleabane-v
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H21 : Carex spp .(sedge )Environmen
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species not climax for the site . S
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calcareous conditions are more comm
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SAMPLING RATIONALEMethods were chos
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third are highly important . The fi
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SMALL MAMMAL ASSOCIATION 1Shrubland
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Avalanche alder shru bSMALL MAMMAL
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Definitive Speciesfreq . dens . fre
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Vegetation Type correlate swillow/h
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Upper Subalpine coniferous closed f
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Vegetation Type correlatessubalpine
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RemarksThe average DI is 4 .1 .In t
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Additional SpeciesHermit Thrush .09
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Brown Creeper .073 Nashville Warble
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CHAPTER V • ECOLOGICAL INTEGRATIO
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EcosectionsEcoregions are conceptua
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ECOLOGICAL (BIOPHYSICAL) LEGEND COR
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Fig . 8 . Landscape schematic of to
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Table 50 . Wildlife features of AB
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Current landform construction is ve
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Table 52. Wildlife features of AK E
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Fig . 10 . Landscape schematic of t
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Table 54 .EcositeWildlife features
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Table 56 . Wildlife features of CE
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Table 58 . Wildlife features of CM
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Fig. 11 . Landscape schematic of to
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Table 60. Wildlife features of CT E
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GF - GRIFFITH ECOSECTIO NThe Griffi
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WILDLIFEGF is the most important to
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Table 63 . Definitive features of t
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GEOMORPHOLOGYHE3 is geomorphically
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Table 67. Definitive features of He
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wash and soil creep . A few tracts
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Table 68 .Wildlife features of HR E
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Table 69 . Definitive features of J
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Table 70 . Wildlife features of JD
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GEOMORPHOLOG YThe predominant genet
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KX - KUSKANAX ECOSECTIONThe Kuskana
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Table 75 . Definitive features of t
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and aprons are a poorly sorted, til
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NC3, and NC4 have the same hemlock
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from Bm and Bf (Brunisolic soils) t
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Table 80 .Wildlife features of NC E
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Table 81 . Definitive features of R
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WILDLIFESMA 13 is assumed to be pre
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Such soils indicate episodic deposi
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WILDLIFEWR1 Wildlife FeaturesUngula
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MISCELLANEOUS LANDSCAPE SCR - COLLU
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unvegetated . A few tracts have spa
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Bamberg, S .A. and J . Major . 1968
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Day, D., C. Zinkan and G. Wickware
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Jurdant, M., D .S . Lacate, S .C. Z
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Ogilvie, R .T . 1976 . The Alpine a
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Sneddon, J .I ., L.M . Lavkulich, a
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Whittaker, R .H . 1967 . Gradient a
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POLYPODIACEAEAdiantum pedatum L . v
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Sambucus racemosa L. var . melanoca
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CORNACEAECornus canadensis L .Cornu
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LABIATAEGaleopsis tetrahit L .Lycop
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Anemone parviflora Michx. G tAquile
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Tellima grandiflora (Pursh) Dougl .
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GRAMI NEA Ex Agroelymus mossii Lepa
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ORCHIDACEA ECorallorhiza maculata R
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Dicranella heteromalla (Hedw .) Sch
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Bryoria pseudofuscescens (Gyeln.) B
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Usnea scabrata Nyl . RXanthoria ele
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Turkey Vulture Cathartes aura (Linn
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Lazuli Bunting Passerina amoena (Sa
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APPENDIX C - CORRELATION OF MAP UNI
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MR & GNP Lardeau Seymour ArmJN2KX1
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Table D1 . Pedon (Alberta 1983 No .
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1 =li slu!
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Table D5. Pedon (Alberta 1981 No .
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44 M W N. M M .VI+MM Mw.N3
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Table D9 . Pedon (Alberta 1983 No .
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Table 11 . Pedon (Alberta 1983 No.
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Table D15 . Pedon (Alberta 1983 No
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Table D19. Pedon (Alberta 1983 No.
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OPEN FOREST VEGETATION TYPES9: Pice
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COLORPLATE S1-64
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11 . Sampled C)rtbic Ilumo -Eerric
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21 . Western hemlock-wester nred ce
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34. HR5 (lower to mid slope (and AK
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47. Sampled Orthic Dystri cBrunisol
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59. Sampled Orthic Glevsol u fthe W
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Ecological Land Classification of Mount Revelstoke and Glacie r ...

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