. Seed zones and breeding zones for Sugar Pine in southwestern Oregon. Sugar pine Oregon; Plants Variation. A. 300 m B. 820 m. Distance from ocean (km) Figure 2—Factor scores (isolines are labled with score values) of the second principal component (A) sites at 300 m, (B) sites at 820 m. (C) sites at 1080 m, and (D) sites at 1600 m. Sites in the hatched area were sampled minimally or not at all. Creating eight zones divided southwestern Oregon into areas in which fewer than 5 percent of transfers involved risks greater than (table 7). Two zones were needed for low elevations ( 740 m and 11
. Seed zones and breeding zones for Sugar Pine in southwestern Oregon. Sugar pine Oregon; Plants Variation. A. 300 m B. 820 m. Distance from ocean (km) Figure 2—Factor scores (isolines are labled with score values) of the second principal component (A) sites at 300 m, (B) sites at 820 m. (C) sites at 1080 m, and (D) sites at 1600 m. Sites in the hatched area were sampled minimally or not at all. Creating eight zones divided southwestern Oregon into areas in which fewer than 5 percent of transfers involved risks greater than (table 7). Two zones were needed for low elevations ( 740 m and 1172 m). The average transfer within a zone had a risk of < , and only about 2 percent of transfers had risks greater than The distribu- tion of risks of hypothetical transfers within zones was typically bell shaped with a slight positive skew (fig. 3). The boundary between the east and west zones at low elevations (fig. 4) fell on the isohyetal line of 152 cm of annual precipitation, which wanders north and south primarily within the townships in R. 8 W. (Froehlich and others 1982). For practical reasons, and because practical and biological objectives coincided, other borders were placed along major highways within the region (fig. 5 and 6). 11. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Campbell, Robert Kenneth, 1927-; Sugano, Albert I; Pacific Northwest Research Station (Portland, Or. ). [Portland, Or. ] : U. S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
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