The Vegetation of Alberta: IV. The Poplar Association and Related Vegetation of Central Alberta

Moss, E. H.

doi:10.2307/2256085

Cited by 69 publications

(69 citation statements)

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“…Aspen in the northern parklands is considered a climax species that was held in check naturally by repeated wildfires (Moss 1932). It now appears to be aggressively expanding into adjacent prairies.…”

Section: Northern Great Plainsmentioning

confidence: 99%

“…The herbaceous understory in mature aspen parkland communities is characteristically meager; but it is usually lush in the aspen forests farther south. Moss (1932) described what he termed an aspen consociation in the parklands of Alberta. This consociation contained a mixed understory of shrubs, forbs, and grasses (table 2).…”

Section: Northern Great Plainsmentioning

confidence: 99%

“…Where the northern grasslands approach the foothill and boreal forests, groves of aspen grow in depressions and on north-facing slopes (Brown 1935, Lynch 1955, Moss 1932, where concentration of soil moisture or reduction of evapotranspiration compensates somewhat for inadequate or marginal precipitation. In the central and southern Rockies, aspen reaches its lowest elevations along stream bottoms in the ponderosa pine, mountain brush, sagebrush or even pinyon-juniper climax zones (Baker 1925, Russo 1964, Vestal 1917.…”

Section: Distributionmentioning

confidence: 99%

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Aspen: Ecology and management in the western United States

DeByle¹,

Winokur²

1985

227

139

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Information about the biology, ecology, and management of quaking aspen on the mountains and plateaus of the interior western United States, and to a lesser extent, Canada, is summarized and discussed. The biology of aspen as a tree species, community relationships in the aspen ecosystem, environments, and factors affecting aspen forests are reviewed. The resources available within and from the aspen forest type, and their past and potential uses are examined. Silvicultural methods and other approaches to managing aspen for various resources and uses are presented.

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Section: Northern Great Plainsmentioning

confidence: 99%

Section: Northern Great Plainsmentioning

confidence: 99%

Section: Distributionmentioning

confidence: 99%

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Aspen: Ecology and management in the western United States

DeByle¹,

Winokur²

1985

227

139

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“…Alberta are weakly weathered and commonly dominated by quartz and potassium feldspars (Pawluk and Lindsay 1964;Pawluk and Dudas 1982), suggesting that the use of sand- (Rowe 1972),but this dominance has been attributed to fire regime rather than to soil texture (Moss 1932 (Heinselman 1981;Fyles 1986). The association between vegetation and soil properties observed in this study is consistent with the latter view because it is unlikely that soil differences between forest types could have developed within the period of 40-140 yr (Fyles 1986) (Wang and Kodama 1986 (Walker and Syers 1976) and the fractionation analysis was conducted to determine whether the Hondo soils could be distinguished on the basis of this measurement of soil development.…”

Section: Uniformity Of Parent Materialsmentioning

confidence: 99%

Effects of Vegetation on Properties of Sandy Soils in Central Alberta

Fyles¹,

McGill²

1988

Can. J. Soil. Sci.

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It was hypothesized that topographic location, fire, species characteristics, and soil texture interacted to maintain stable vegetation patterns on the landscape. As a corollary, relationships would exist between specific vegetation and profile development patterns, they would not be masked by secondary succession, and they would explain the distribution of both plant communities and soil types in the landscape. This hypothesis was tested in a study of soils and vegetation at eight sites representing three forest types (pine/lichen; closed canopy jack pine; white spruce) on sand ridges near the town of Slave Lake, Alberta. Differences in profile characteristics among soils studied corresponded to differences in vegetation. Soils under white spruce and jack pine/alder forest showed evidence of greater translocation of amorphous iron and aluminum than soils under jack pine/lichen woodland. The fractionation of phosphorus among organic, Ca-, A1-, and

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“…The need of hardy and drought,resistant material for shelterbelts in the Prairies is recently becoming more and more urgent and the aspen native to the Prairies may have possibilities in this respect. It is fully hardy and more drought,resistant than other native and introduced poplars in the northern part of the Prairies (Moss, 1932), although it is rather slow,growing. The feasibility of 1ong.distance shipment of dormant twigs with flower buds of male poplars for use in crossing according to the method of Wettstein (1933 a) was established in 1936.…”

Section: Crosses Of 1937mentioning

confidence: 99%

Report on Poplar Hybridization Ii 1937 and 1938

Heimburger¹

1940

The Forestry Chronicle

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The results of further progress in a poplar hybridization project initiated in 1935 with the aim of producing valuable hardy and disease resistant material of rapid growth for the production of wood of high quality for industrial purposes, and of value for shelterbelts in the Prairies are reported. It has, been possible to cross the native aspens of Eastern and Western Canada with several exotic aspens and their hybrids with silver poplar, and to obtain hybrid material of great promise for these purposes. Some western balsam poplars have also been crossed with exotic species and have yielded hybrids of promise forshelterbelts. An attempt to cross an aspen with a cottonwood has so far yielded indifferent results. The cress of a basket willow with a cottonwood wan not successful. Hardiness. disease resistance, and good propagability from stem: or root cuttings are a t present the most importa n t characters used in evaluating the young hybrids.T H E OBJECT of this report is to outline the further development of the poplar hybridization project initiated in 193 5 and described previously (Heimburger, 1936). I t is an attempt to produce new varieties of aspen poplars, suitable for reforestation on upland soils and yielding good, sound wood for the manufacture of match stock, veneer, and pulp. The new varieties should be fully hardy, resistant to several important diseases damaging the native aspen poplars, and should possess superior growth characters as compared with the native asFcns. Since hybridizatioil and selec. tion are the methods most commonly employed with such outstanding results in breeding work with other plant material, these methods are here applied to the development of superior aspen poplars. In inore recent years the desirability of producing suitable tree varieties for shelterbelts in the Prairies has become increasingly apparent and some of the efforts are there. fore directed towards the breeding of aspens and other poplars for these purposes also.In 1935 and 1936 it was found that the European silver poplar (Populus alba L.) and its natural hybrid with the European aspen (P. tremula L.), the so~called gray poplar (P. canescens Sm.) could be crossed successfully with the native amens (P. tremuloides Michx. and P. grandidentata Michx.). The u cross between the two native aspens, P. tremuloides x grandidentata was also successful. HYBRIDS OF 1936In the fall of 1936 the hybrid seedlings described in the previous report were carefully dug out and their roots prepared into cuttings, care being taken to keep the cuttings from each seedling separately. Each bunch of root cuttings thus represented a singe clone (Schreiner, 1939). The material was then trans, ferred to the nursery of the Petawawa Forest Experiment Station and planted. The possibility of propagating aspen poplars by means of fall-planted root cut, tings had been ascertained in previous tests with root cuttings of native aspens.all planting of root cuttingsbf aspen poplars as compared with spring plant, ing has the advantage of affording b...

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The Vegetation of Alberta: IV. The Poplar Association and Related Vegetation of Central Alberta

Cited by 69 publications

References 0 publications

Aspen: Ecology and management in the western United States

Aspen: Ecology and management in the western United States

Effects of Vegetation on Properties of Sandy Soils in Central Alberta

Report on Poplar Hybridization Ii 1937 and 1938

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