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Quantifying Aerial Photo Polygon Complexity on a Subalpine Landscape of Wells Gray Park, British Columbia (in Proc. Conference Biology & Management of Species and Habitats at Risk) Zhang, Wei
1999
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Abstract: This study examines patterns of landscape diversity in a 20,000-ha montane-subalpine forest in southern Wells Gray Provincial Park, B.C. Landscape pattern was assessed by sampling aerial photos to quantify the extent of variation in topographic features and polygon (ecosystem unit) distribution patterns. Sixty-eight circular plots, representing pixel sizes of 450 m and 750 m diameter, were used to assess landscape properties, including terrain features and the types and arrangements of polygons. Vegetation data for the polygons were extrapolated from 170 ground plots sampled throughout the study area. Relationships between various complexity indices derived from the polygon patterns and physical terrain features were examined using Principal Components Analysis and Pearson correlations. Vegetation variation within polygons (beta-diversity), as defined by the first axis of Detrended Correspondence Analysis, was also examined for 5 main polygon types in relation to major abiotic factors and...
 
Zhang, Wei, Bradfield, Gary E.. 1999. Quantifying Aerial Photo Polygon Complexity on a Subalpine Landscape of Wells Gray Park, British Columbia (in Proc. Conference Biology & Management of Species and Habitats at Risk). Ministry of Environment, Lands and Parks; University College of the Cariboo. Proceedings - Conference Biology & Management
 
Topic: Species and Ecosystems at Risk
Keywords: aerial photography, landscape diversity, subalpine
ISSN:  Scientific Name: 
ISBN:  English Name: 
Other Identifier: University College of the Cariboo
 
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