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Report: Terrestrial Ecosystem Mapping of the Coastal Douglas-Fir Biogeoclimatic Zone

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  • Landscape Thematic Map 1  Colour theme map includes forested age classes, non-forested units, wetlands, etc.  (pdf/6.1 Mb)
  • Landscape Thematic Map 2  Colour theme map includes forested age classes, non-forested units, wetlands, etc.  (pdf/6.1 Mb)
  • Landscape Thematic Map 3  Colour theme map includes forested age classes, non-forested units, wetlands, etc.  (pdf/6.2 Mb)
  • Landscape Thematic Map 4  Colour theme map includes forested age classes, non-forested units, wetlands, etc.  (pdf/6.5 Mb)
  • Landscape Thematic Map 5  Colour theme map includes forested age classes, non-forested units, wetlands, etc.  (pdf/6.7 Mb)
  • Landscape Thematic Map 6  Colour theme map includes forested age classes, non-forested units, wetlands, etc.  (pdf/6.7 Mb)
  • Landscape Thematic Map 7  Colour theme map includes forested age classes, non-forested units, wetlands, etc.  (pdf/6.6 Mb)
  • Landscape Thematic Map 8  Colour theme map includes forested age classes, non-forested units, wetlands, etc.  (pdf/7.2 Mb)
  • Landscape Thematic Map 9  Colour theme map includes forested age classes, non-forested units, wetlands, etc.  (pdf/6.6 Mb)
 
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This report presents Terrestrial Ecosystem Mapping (TEM) of the Coastal Douglas-fir moist maritime (CDFmm) biogeoclimatic subzone excluding the Gulf Islands within the Gulf Islands National Park Reserve and 42,000 ha in Fraser Valley. Pockets of the Coastal Western Hemlock very dry maritime (CWHxm) subzone are also included. The study area (212,660 ha.) includes four ecosections. Mapping follows the Standard for Terrestrial Ecosystem Mapping in British Columbia, 1998.

Author:  MADRONE ENVIRONMENTAL SERVICES LTD.

Old Reference Number:  4522

Old Reference System:  BAPID

Date Published:  Jun 2008

Report ID:  15273

Audience:  Government and Public

This report presents the results of Terrestrial Ecosystem Mapping (TEM) of the Coastal Douglas-fir moist maritime (CDFmm) biogeoclimatic subzone in British Columbia. An expanded legend and map legend accompany this document for interpreting the mapping deliverables. The CDFmm subzone occupies about 252,000 hectares of land in the Georgia Depression on southwest portions of mainland BC, the central and southern Gulf Islands and south eastern Vancouver Island. The study area for this project includes the entire CDFmm excluding the Gulf Islands falling within the Gulf Islands National Park Reserve (GINPR) and approximately 42,000 hectares within the Fraser Valley. Therefore, this project study area includes 212,660 hectares. Elevation boundaries for the CDFmm range from sea level to approximately 150 m, except for in the Cowichan Valley where boundary elevations were raised to 380 m. There were isolated mountains around the Cowichan area and on Saltspring Island which extended above the CDFmm boundary; so small amounts of the Coastal Western Hemlock very dry maritime (CWHxm) subzone have also been included. Four ecosections span the CDFmm biogeoclimatic subzone from north to south, including the Strait of Georgia, Georgia Lowland, Nanaimo Lowland, and Southern Gulf Islands. Ecosections are based on differences in physiography and macro climatic process at a sub-regional level. The temperature and climate in the CDFmm is mild and warm, leading to unique assemblages of vegetation and ecosystems. The subzone covers less than 0.3% of the Province, yet contains a diverse set of landscapes, vegetation, and ecosystems. The variation of ecosystems from north to south in the CDFmm is widespread. Ecosystems include sand dune communities in the central Gulf Islands, and large river estuaries along eastern Vancouver Island, to Garry oak sites in the Cowichan Valley, Saanich/Victoria and the southern Gulf Islands. A range of anthropogenic units are also common in the CDFmm, such as cultivated fields and urban townships. Soil and terrain types present in the CDFmm today are influenced by historical glaciation events and contemporary erosion and deposition. Therefore soils are mainly derived from marine, glacio-marine, morainal, and colluvial sources.

Report Type
  Terrestrial Information
 
Subject
  Biogeoclimatic Zone - CDF Coastal Douglas-fir Zone
  Biogeoclimatic Zone - CWH Coastal Western Hemlock Zone
  Region - Vancouver Island
  Terrestrial Information - Terrestrial Ecosystem Mapping (TEM)
 


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