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Wednesday, May 13, 2020 | History

2 edition of Water Relations and Forest Distribution in the Douglas-Fir Region on Vancouver Island. found in the catalog.

Water Relations and Forest Distribution in the Douglas-Fir Region on Vancouver Island.

Canada. Dept. of Agriculture. Forest Biology Division.

Water Relations and Forest Distribution in the Douglas-Fir Region on Vancouver Island.

by Canada. Dept. of Agriculture. Forest Biology Division.

  • 109 Want to read
  • 25 Currently reading

Published .
Written in English


Edition Notes

1

SeriesPublication (Canada. Agriculture Canada) -- 1091
ContributionsMcminn, R.G.
ID Numbers
Open LibraryOL21953566M

Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.)Franco) growth in the Pacific Northwest is affected by climatic, edaphic factors and Swiss needle cast (SNC) disease. We examine Douglas-fir growth responses to temperature, dewpoint deficit (DPD), soil moisture, and SNC using time series intervention analysis of intra-annual tree-ring width data collected at nine forest stands in. B.C.'s Coastal Douglas Fir ecosystem is limited to a small part of southeastern Vancouver Island, several islands in the Strait of Georgia, and a narrow strip on the mainland.

  Pseudotsuga menziesii, commonly known as Douglas fir, Douglas-fir and Oregon pine, is an evergreen conifer species native to western North variety, the coast Douglas fir, grows along the Pacific Ocean from central British Columbia south to central California. A second variety, the Rocky Mountain Douglas fir, grows in the Rocky Mountains from British Columbia south to Mexico.   The douglas-fir is so popular, there is a sing-along book (original songs, orchestral underscore and all) and TV movie based off of a famed Canadian doug-fir. The Great Journey of Sir Douglas Fir was inspired by the travels of a year-old fir tree that was knocked to the ground during a storm and then taken across Canada to take its place as.

The increase in Cupressaceae populations marks the establishment of modern P. menziesii forest on Pender Island and elsewhere in the southern Vancouver Island region (Hansen, , Allen, , Pellatt et al., ). Late Holocene forest composition is more or less stable, but there are minor fluctuations in this portion of the pollen record. "MacMillan National Park trails the giant red cedar trails up to years (southern part) and Cathedral Grove with giant Douglas firs (northern part) including a great swim in a paradise corner of Cameron Lake." "Cathedral Grove is a wonderful place to stop and experience the quintessential Vancouver Island forest experience, marked by a unique and beautiful arrangement of stunning trees.".


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Water Relations and Forest Distribution in the Douglas-Fir Region on Vancouver Island by Canada. Dept. of Agriculture. Forest Biology Division. Download PDF EPUB FB2

Water relations and forest distribution in the Douglas-fir region on Vancouver Island by Canada. Dept. of Agriculture.

Forest Biology Division; McMinn, R. GPages: Water relations and forest distribution in the Douglas-fir region on Vancouver Island. Publication McMinn, R.G. Department of Agriculture, Science Service, Forest Biology Division. In an evaluation of the role of water relations in forest distribution and growth in the Douglas-fir region on Vancouver Island, a section of the Nanaimo River Valley, lying from five to twelve miles inland from the east coast, was chosen as a suitable study area to exemplify conditions in the central mountains and on the eastern side of southern Vancouver Island.

Water relations and forest distribution in the Douglas-fir region on Vancouver Island. Publication McMinn, R.G. Year: Catalog ID: Available from: Pacific Forestry Centre CFS Availability: Not available through the CFS (click for more information). Mark record.

View full record. Water relations and forest distribution in the Douglas-fir region on Vancouver Island /. McMinn, R. G., — Water relations in the Douglas-fir region on Vancouver Island.

Thesis, Univ. of British Columbia. McMinn, R. G., — Water relations and forest distribution in the Douglasfir region on Vancouver Island. Canada Dept. Agr. Publ. 71 p. V.J. Vegetation-environment relationships of some sub. our old-growth coastal Douglas-fir forests.

Another modern threat to these forests is the suppression of natural forest fires. Mature Douglas-fir trees have thick bark, which protects them from the low-intensi-ty fires that used to occur here about every to fires maintained the dominance of Douglas-fir by controlling.

Water relations and forest distribution in the Douglas-fir region on Vancouver Island. Water relations and forest distribution in the Douglas-fir region on Vancouver Island.

Canada Dept. Agric. Watersheds. Wildlife & Plants. The Coastal Douglas-fir (CDF) is the smallest of the 14 BC ecosystems listed in the Biogeoclimatic Ecosystem Classification system. It is restricted to low elevations along southeastern Vancouver Island, from Bowser to Victoria, the Gulf Islands south of Cortes Island, and a narrow strip along the Sunshine Coast near Halfmoon Bay.

71 SITE SERIES OF THE VANCOUVER FOREST REGION This section presents all site series currently recognized in the Vancouver Forest Region. Site series are organized into general sites and special sites, and are presented according to biogeoclimatic subzone or variant.

For each biogeoclimatic unit, the site series are portrayed on an edatopic. Coastal Douglas-fir Next to Garry Oak, this ecological community is one of the rarest forest types in BC and the smallest in distribution, occurring along the coast only from southeast Vancouver Island, Sunshine Coast, Howe Sound and patches along the Metro Vancouver coastline to the Olympic Mountains in Washington State.

Water relations and forest distribution in the Douglas-fir region on Vancouver Island./. [Ottawa]: Canada Department of Agriculture, (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File: All Authors / Contributors: R G McMinn; Canada.

Agriculture and Agri-Food Canada. The Coastal Douglas-fir Zone is also home to a unique and sensitive group of ecosystems known collec-tively as saanich, meaning “place of fertile soil” in the language of the local aboriginal people.

Most com-mon on southeast Vancouver Island and the Gulf Islands, the saanich complex includes seaside parkland, dry forest, rock outcrop. The Coastal Douglas-fir Zone covers a small area of B.C.'s south coast, including a band of lower elevation along southeastern Vancouver Island, the Gulf Islands and a fringe of mainland along Georgia Strait.

Victoria, Nanaimo and Powell River are major urban centres in the area. Subzone/Variants in the CDF Zone - Tree Species Descriptions. McMinn RG () Water relations and forest distribution in the Douglas-fir region on Vancouver Island.

Publication Canada Department of Agriculture, Forest. The coastal douglas fir forests is also home for one of the rarest orchids in the Pacific northwest. Phantom orchid (Cephalanthera austiniae) is a pure white, strikingly beautiful orchid that are found only in mature, old growth forests.

MCMINN, R. Water relations and forest distribution in the Douglas-fir region on Vancouver Island. Forest Biol. Div., Canada Dept.

Agric., Publ. The temperate rainforest of Pacific Rim is an obvious indicator of the environmental forces at work in the park. Wherever you look in the park, whatever the season, the dominating colour is green.

Rich and lush, the forests of the park are divided into 6 communities contained within the Coastal Western Hemlock Biogeoclimatic Zone, representing one facet of the Northern Pacific Coast Forest. Massive Trees on Vancouver Island Vancouver Island is located in the temperate rainforest biome, with the mild climate and high rainfall combining to produce groves of massive old-growth trees.

Some of the tallest stretch over 90 meters into the sky, while others measure as much as 20 meters in. How the Douglas-fir tree put Vancouver on the map Decades before Vancouver was an official city, settlers began razing forests to sell massive old growth Douglas-fir trees.

Social Sharing. Due to a suite of environmental changes, Oregon white oak (Quercus garryana Douglas ex Hook; called Gary oak in Canada) associated ecosystems at many North American sites are being encroached upon by Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco var.

menziesii) and other conifer species. Alteration of stand structure and composition is causing substantial changes in the dynamics of these. Douglas Fir is a native conifer found throughout the western half of the United States. It is a hardy tree which historically has relied on the natural fire cycle to establish itself on the forest floor.The Douglas-fir is not an apex plant species despite it's massive size.

The largest known Douglas-fir is located on Vancouver Island near Port Renfrew, and the oldest specimen was also found on Vancouver Island with rings. The tree was knocked down in a storm in the winter ofgiving the opportunity to date it.