象山港海域营养元素的主要来源为陆源径流输入和海水养殖废水的排放，其次是海洋生物和大气沉降输入。
For Xiangshan Bay, main sources of nutrients are continental runoff input and the discharge of mariculture waste water, followed by Marine life and atmospheric sedimentation.
因此，建立和提高海洋鱼类增殖与养殖的新技术，是近年来海洋生物技术的重要研究领域之一。
Therefore, the establishment and development of modern techniques for the proliferation and culture of marine fishes is one of the important research areas in the marine biotechnology.
当前海洋生物技术主要分为海洋动植物养殖生物技术、海洋天然产物生物技术和海洋环境生物技术。
At present, Marine biotechnology mainly includes Marine animal and plant breeding biotechnology, Marine natural metabolites biotechnology and Marine environment biotechnology.
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