The chart on this page can not be modified, as it can in the CD version of the KRIS database. Data can be downloaded (see bottom of page).
Area |
Upper Big River |
Topic |
Timber Harvest: Matthews Harvested Percent, Headwater Basins 1921-2000 |
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Caption: The chart above shows the percent of total basin area harvested by period in Big River Headwater sub-basins between 1921 to 2000. Martin Creek and the Upper Mainstem were harvested over 50% in the most recent period (1989-2000). Some sites may have been entered more than once so the extent of land area disturbance may be slightly over-estimated. Reeves et al. (1992) noted that Oregon coastal watersheds logged in more than 25% of their area lost diversity of salmonid species. See Info Links for more background information and links to references.
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