Ericilignosa 



A type of vegetation in which ericaceous plants are dom- 

 inant or very abundant. 



Erodible 



A substance, especially soil, that is susceptible to erosion, 

 cf. Erosive. 



Erosion 



The detachment and movement of particles of the land 

 surface by wind, water, ice, or earth movements such as land- 

 slides and creep, cf. Accelerated erosion, Normal erosion. 

 Sheet erosion. 



Erosion Class 



One of several categories in a classification indicating the 

 degree of erosion. 



Erosion Pavement 



A layer of stones or gravel on the surface of the ground 

 after fine particles have been removed by erosion. 



Erosive 



Refers to the tendency of an agent such as water or wind 

 to cause erosion. Erosive is preferred when referring to the 

 agent, Erodible when referring to the substance that is 

 eroded. 



Escape 



A plant found wild but which originated from a culti- 

 vated ancestor. 



Escape Covert 



Vegetation which is intended or used for protection by 

 animals from attack by enemies. 



Escape Mechanism 



A structure, behaviour, or process that enables an or- 

 ganism to survive unfavorable conditions, e. g., shedding of 

 leaves, burrowing, development of cysts. 



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