Vegetative colonization and succession and the impacts of trampling in the Carberry Sand Hills, Manitoba

Simple item page
dc.contributor.authorWard, Marjorie Herring.en_US
dc.date.accessioned2012-05-18T19:11:32Z
dc.date.available2012-05-18T19:11:32Z
dc.date.issued1980en_US
dc.degree.disciplineBotanyen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractThe Carberry Sand Hills of Manitoba, an area of bare and stabilized dunes and rolling prairie are described in terms of their environmental characterisitics and plant communities. Four successional stages were examined between May and October in 1976 and 1977. Data indicate that open dunes move 15 to 20 cm a year and have scattered areas colonized by Andropogon gerardi, Oryzopsis hymenoides and Helianthus petiolaris. Complete colonization of the dunes is expected between 1987 and 1994. Sites intermediate between bare dunes and prairie are vegetated by Andropogon gerardi, Koeleria cristata, Elaeagnus commutata, Petalostemum candidum, Andropogon scoparius and Bouteloua curtipendula. Prairie species include Juniperus horizontalis, Stipa spartea, Carex spp. and Bouteloua gracilis. Species behavior follows two patterns: either a maximum prominence (cover_-- frequency) is attained at the time of flowering or two maxima are attained corresponding with the times of flowering and vegetative reproduction respectively. Increasing vegetation development is accompanied by a decline in pH and an increase in organic matter. Nutrient levels in all soils are low and probably limit growth. ... A study of trampling impacts on the four communities showed that all sites were damaged by 20 bi-weekly tramples. Species which were able to recover included Petalostemum candidum, which reproduced by seed on Site II, and Andropogon gerardi, which reproduced from rhizomes on Site III. Mosses and Artemisia frigida were observed in the recovery phase in the prairie trample plots.en_US
dc.format.extent132 leaves :en_US
dc.identifierocm72808901en_US
dc.identifier.urihttp://hdl.handle.net/1993/6687
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.titleVegetative colonization and succession and the impacts of trampling in the Carberry Sand Hills, Manitobaen_US
dc.typemaster thesisen_US
local.subject.manitobayesen_US
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Ward_Vegetative_colonization.pdf
Size:
7.86 MB
Format:
Adobe Portable Document Format
Description:
Download
Collections
FGS - Electronic Theses and Practica
Manitoba Heritage Theses