Core Viewpoint - Heilongjiang Province has introduced implementation opinions to expand the value realization paths of ecological products in river and lake construction, emphasizing protection and rational use while promoting ecological projects like cold-water fish farming and waterfront homestays [1] Group 1: Policy Implementation - The policy aims to accelerate the establishment of a sustainable value realization path for ecological products in rivers and lakes, led by the government with participation from enterprises and society [1] - It outlines three basic processes: information census, accounting assessment, and public trading of ecological product values [1] Group 2: Value Realization Paths - Four realization paths are defined: rights trading, ecological protection compensation, industrial integration, and collateral financing [1] - Five measures for promotion include application of accounting results, precise supply-demand matching, establishment of ecological benefit-oriented mechanisms, green financial support, and registration of water conservancy project rights [1] Group 3: Economic and Ecological Synergy - The initiative aims to create a virtuous cycle of "ecological governance - resource transformation - industrial development - ecological feedback," achieving a win-win situation for river and lake protection and socio-economic development [1]