The results showed that:1. 12 strains of alginic acid decomposing bacteria were isolated.Five strains of them which could degrade alginate actively were screened out.2.

• 研究结果表明：1、利用选择性培养基共分离到12株褐藻酸降解菌，通过降解能力的测定，筛选出5株强降解能力的菌株。