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that are highly sophisticated where man exercises control over the 

 principal environmental factors affecting the cultured species, and 

 others that are yery simple with only minimal control or manipulation 

 of the habitat and the cultured animal. 



Shoreline Development 



The use or development of estuarlne water either governs or depends 

 on land or shoreline use. 



Commercial development of the shoreline includes loading terminals, 

 docks and shipyards, airports, Industrial plants, and the smaller 

 municipal and local piers. Recreational facilities include marinas, 

 beaches, parks, fishing piers, and vacation cottages, motels and 

 hotels. Although the motels and hotels are a commercial venture, 

 their prime purpose 1s to support the recreationist. Residential 

 development of waterfront property in many communities places on the 

 shoreline intensive housing development accompanied by boat docks, 

 fishing and swimming piers, and private beaches. Commercial and 

 personal transportation requires airports, highways, and commercial 

 port facilities. 



Structures built to protect or conserve the shoreline include bulk- 

 heads to hold the shore in place, dikes to prevent flooding and to 

 extend reclaimed land, jetties to provide a protective barrier 

 between the sea and ship channels, and groins along beach areas to 

 control sand movement. 



