VEGETATION OF CONGLOMERATE ROCKS 



391 



Effect of slope on vegetation. Throughout the progress of the 

 rock succession, the effect of steepness and direction of slope 

 is very marked. Change in the angle of slope is always accom- 



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a 



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s se'w 



6M 



ScAL£ OF Rock Outline 



o ./ .2 M 



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VSKI 





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Mfr! C \^ '^^ Wf\ Mat 





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Fig. 5. Horizontal belt transect showing relation of vegetation to direction 

 of slope; angle of slope, 55° to 65°; transect follows rock outline shown above. 

 Abbreviations as in figure 4. 



panied by some change in vegetation. Slopes of the same steep- 

 ness but of different direction show very great differences in 

 the character of the vegetation. The accompanying transects, 

 figures 4 and 5, illustrate these effects of direction and steepness 

 of slope. 



