IV-350 



"Pollution" is the degradation of the biophysical environment by 

 man's activities; 1t is no longer limitedto the discharge of 

 sewage and industrial wastes, but now includes direct or indirect 

 damage to the environment by physical, chemical, or biological 

 modification. 



This chapter shows the relationship between man's presence in and use 

 of the estuarine environment and its degradation. The kinds of 

 materials and types of changes that tend to degrade the environment 

 are the first topics of discussion, then the relationship of 

 pollutlonal conditions to the various socioeconomic activities are 

 described. The chapter concludes with a description of the impact of 

 the socioeconomic environment on the biophysical environment and 

 specific examples of pollutional effects. 



