| Area | Upper Trinity |
| Topic | Timber Harvest: Upper Trinity - Harvested Percent through 2000 |
| Caption: This chart shows the percent of the total sub-watershed area that was harvested per decade within the Upper Trinity Planning Watershed. The first time period category includes data prior to 1950. The different colored bars represent the percent area harvested per decade, while the total length of the bars show the cumulative percent area harvested during the period of pre-1950 to 2000. Note that harvest areas could have been re-entered during different decades. Many sub-watersheds were harvested over 30 percent by area during the 1960's or the 1970's. Timber harvest has remained active in many of these sub-watersheds in the 1990's. Reeves et al. (1993) noted that Oregon coastal watersheds logged in more than 25 percent of their area lost diversity of salmonid species. Data are from Graham Matthews and Associates Trinity River Sediment Source Analysis (2001). See Info Links for more information. | |
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To view the table with the chart's source data, click Source Table web page.
To download the table with the chart's source data, click timberharvest_gma_trinity_1940_2000.dbf (size 16,650 bytes)
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