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88 <br />Thus, the density response of forbs by seed mixture can be directly <br />• correlated with the number of seeding rate of forb species per seed <br />mixture. <br />Total density of seeded and invading forb species was greatest on <br />Panel 2 than any of the other five panels. The reason Panel 2 is showing <br />a higher density of forb species is not fully understood at this time. <br />The total density of seeded forbs also shows a significant <br />interaction between seed mixture and panel (Appendix B, Table 9). This <br />interaction is much the same as that discussed above for total density of <br />seeded and invading forbs (Figure 29 ). <br />The interaction between seed mixture and panel was also significant <br />(P=.0011) when looking at the density of invading forb species (figure 30) <br />Invading forb density is greatest on Panels 2 and 4. The higher invading <br />forb density on Panel 4 may be a result of the indigenous seed source. <br />• The introduced seed mixture allowed the greatest density of invading <br />forbs en all panels except Panel 4. <br />Total Density of Shrubs. The total density of shrubs, both seeded <br />and invading species, exhibited a significant interaction between seed <br />_, ~.: <br />mixture and panel {Figure 31). The native seed mixture had a consistantly <br />higher shrub density than either the combination or introduced seed <br />,. . <br />=,°'~ -~ mixtures. In Panel 2 both the native and combination seed mixtures were <br />~ ',, <br />~'~' significantly greater in shrub density than the introduced seed mixture. <br />`- <br />The shrub density of the native seed mixture was significantly greater <br />than that of the introduced seed mixture on Panels 3, 5, and 6. The <br />extremently poor density resoonse of shrubs in the introduced seed <br />mixture can in part be explained by two factors. First, the number of <br />u <br />