Aapamoor 



A mosaic of high moor and low moor, consisting of 

 circular or elongated mounds covered with dwarf shrubs 

 and sphagnum and depressions occupied by mostly sedges 

 and sphagnum. 



Abicoen 



The non-biotic elements of a habitat. 



Abioseston 



See Seston. 



Abrasion Platform 



The part of the continental shelf and terrace on which 

 a horizontal plain is formed by long continued wave action. 



Absolute Extremes 



The highest (absolute maximum) and lowest (absolute 

 minimum) values of a meteorological element, especially tem- 

 perature, that have ever been recorded at a station. 



Absolute Humidity 



See Humidity, absolute. 



