Effects of cutline density and land-cover heterogeneity on landscape metrics in western Alberta
| Autor: | Gordon B. Stenhouse, Mryka Hall-Beyer, Steven E. Franklin, Julia Linke |
|---|---|
| Rok vydání: | 2008 |
| Předmět: | |
| Zdroj: | Canadian Journal of Remote Sensing. 34:390-404 |
| ISSN: | 1712-7971 0703-8992 |
| DOI: | 10.5589/m08-034 |
| Popis: | Forest cutlines are narrow, linear features created in geophysical surveys. In many areas of Canada, forest cutlines are not consistently detected using relatively coarse spatial resolution land-cover maps, such as those produced by classification of Landsat Thematic Mapper (TM) imagery. However, such features may be important in certain wildlife management applications, including those which require an assessment of landscape structure, or forest fragmentation, at various scales. Higher spatial resolution satellite imagery obtained from sensors on platforms such as Satellite Pour l’Observation de la Terre (SPOT) and the Indian Remote Sensing (IRS) system may be used to map forest cutlines for these applications. In this study, a TM-based land-cover map of western Alberta is analyzed with forest cutlines mapped from a TM-IRS fusion image, and the effect of increasing cutline density is quantified on five commonly used landscape metrics used to characterize landscape structure in grizzly bear habitat asses... |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|