This standard stipulates the general principles for the impact assessment of marine and coastal engineering projects on marine living resources, the investigation and evaluation of the current status of marine living resources, the impact assessment of projects on marine living resources, biological resource damage compensation and compensation calculation methods and protection measures. This standard applies to the assessment of the impact of marine and coastal engineering projects on marine living resources in the inland seas, territorial seas, tidal flats of the People's Republic of China and all other sea areas under the jurisdiction of the People's Republic of China.