01:460:120 Lecture Notes - Lecture 23: Bligh Reef, Plastic Pollution, Prince William Sound

• School: Rutgers University
• Department: Geological Sciences
• Course: 01:460:120
• Professor: taghon

Document Summary

Key concepts: marine resources may be categorized as physical, biological, and non-extractive. Aquaculture is the farming of aquatic plants or animals. Pacific white shrimp (below left) and giant tiger prawn (below right) account for 80% of farmed shrimp production worldwide. All aquaculture involves human manipulation of some stage of the natural life cycle. Human control of shrimp life cycle in aquaculture: hatchery: raise eggs to post-larval stage, about 25 days, nursery: further growth and acclimation to salt water, grow-out ponds (these are in s. korea): until reach marketable size, 3-6months. Conversion of mangrove swamps (pink areas) to shrimp farms (dark blue polygons) along coast of. In 1987, mangrove swamps present in estuaries of serval rivers as they reach the pacific coast: by 1999, much of the region had been converted to shrimp farms, many countries mow ban mangrove clearance for aquaculture.