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文章介绍了黑龙江中上游鱼类资源现状，结合拟建工程的生态效应，初步预测了水电梯级开发后对中上游主要经济鱼类资源影响的程度，并提出保护与补救的对策及措施。
In this paper, the current status of fish resources in the middle and upper reaches of Heilongjiang Province is introduced. Based on the ecological effects of the proposed project, the degree of impact on the main economic fish resources in the upper and middle reaches after the cascade development of hydropower has been primarily predicted, and the countermeasures and measures for protection and remediation are put forward.