GLOSSARY 1 



Aerobic 



Life processes occurring only in the presence of free oxygen. 



Anaerobic 



Life processes occurring without the presence of free oxygen. 



Anadromous 



Fish that reproduce in fresh water, but spend a portion of their life in 

 salt water. 



Backfill 



Material used to fill behind a smal 1 structure such as a seawall or bulkhead, 



Backshore 



Zone of beach lying between foreshore and coastline acted upon by waves 

 only during severe storms. 



Barrier beach (also barrier island) 



Bar essentially parallel to shore, with crest above normal high water. 



Bay 



Recess in shore or inlet between two capes or headlands; larger than cove, 

 smaller than gulf. 



Bay mouth bar 



Bar across the mouth of an embayment. 



Benthos 



Organisms growing on or associated principally with the water bottom. 



Berm 



Nearly horizontal part of beach or backshore formed of material deposited 

 by wave action. 



Biota 



Animal and plant life of a region. 



Biotic 



Environmental factors which are the result of living organisms and their 

 activities. 



Bluff 



High steep bank or cliff. 



Boat basin 



Naturally or artifically enclosed or nearly enclosed harbor area for small 

 craft; see harbor. 



Portions of this glossary have been estracted or adapted from Allen (1972) and 



Hurme (1974) 



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