Natural water area fish spawning site identification method

The invention relates to a natural water area fish spawning site identification method, and belongs to the technical field of fish ecosystem protection. According to the fish spawning site identification method, starting from an environment and organism mutual relation rule in an ecological principle, topographic factors with biological significance in a fish habitat water area are extracted by utilizing a geographic information system technology, and an accurate identification conclusion of a target water area spawning site is obtained in a weighted calculation and on-site verification mode.Different from a conventional mode that fish spawning site identification mostly depends on field investigation and field investigation, the method greatly reduces the field investigation work, and eliminates a large amount of field useless investigation through an indoor remote sensing analysis means. Meanwhile, the remote sensing analysis can conveniently realize the full coverage of the targetwater area, is more suitab