The results suggest that the substance input from terrigenous origin in the Chukchi Sea is larger than that in the Bering Sea. But the productivity in the surface water in the Bering Sea is higher than that in the Chukchi Sea.

• 根据分子组合特征表明楚科奇海的陆源物质输入要比白令海大,而白令海的表层生产力又比楚科奇海高。