Nov., 1918] Recovery of Vegetation at Kodiak 



29 



method of laboriously mapping square quadrats, employed by 

 Clements. (1) It has unlimited flexibility as to size. It is as 

 readily adaptable to the minutest group of seedlings as to a 

 whole hillside (See page 30 and page 40). (2) In every case 

 it records conditions with a fidelity to detail unattainable by 

 any other method at anything like the same scale. One has 

 only to decide with what detail a given situation should be 



Photograph by R. F. Griggs 



ALDER SEEDLINGS COME UP IN THE ASH AROUND THE FALLEN 

 FRUITS, NATURAL SIZE. 



recorded, and set up his camera at a distance suitable for 

 rendering that detail. (3) In all but the largest scale pictures 

 the record, by including some prominent feature in the land- 

 scape, can be made to carry its location with it more accurately 

 than any ordinary verbal description. (See page 39). (4) It 

 eliminates the personal equation, which becomes very large in 

 mapping even if it is attempted to include every detail. (5) It 

 shows many things not noticed by the observer. It often 

 happens that the development of vegetation occurs along 



