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| Title: | Sampling throughfall and stemflow in young loblolly pine plantations |
|---|---|
| Author(s): | Zarnoch, S.J.; Abrahamson, D.A.; Dougherty, P.M. |
| Date: | 2002 |
| Source: | Res. Pap. SRS-27. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 6 p. |
| Station ID: | RP-SRS-027 |
| Description: | Throughfall and stemflow estimates were obtained on a rain-event basis for small (0.09-hectare) plots established in a young loblolly pine (Pinus taeda L.) plantation in North Carolina. The plots were exposed to specific fertilization and irrigation treatments, which resulted in a wide range of basal areas and leaf area indices. Coefficients of variation were also determined, which revealed a negative exponential relationship with rain-event magnitude. Throughfall was substantially less variable than stemflow. Recommended sample-size curves were developed for throughfall and stemflow to achieve 5 percent accuracy at the 0.80, 0.90, and 0.95 probability levels. |
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