Multi-trophic-level ecological aquaculture method
An ecological breeding and multi-nutrition technology, applied in botany equipment and methods, fish farming, climate change adaptation, etc., can solve the problem of low feed utilization rate, improve the utilization efficiency of materials and energy, realize functional complementarity, Improving the effect of sustainable development status
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Embodiment 1
[0019] Multi-nutrient level ecological breeding method, the specific operation is:
[0020] 1) Choose a breeding site: Choose an area with clear water quality, sufficient sunlight, small water level drop, and slow water flow in the breeding farm area;
[0021] 2). Farming distribution: The shallow sea fish fry are placed on the upper layer of the marine ecological aquaculture cage 1, and the stocking amount is 100-130 fish / m2. Plant the seedlings of benthic filter-feeding organisms in the lower layer at a rate of 500-1000 heads per square meter. Plant green algae on the anchor rope 2 connected to the cage at a planting density of 20-40 plants / cm 2 . Through the combination of organisms in different nutrient niches, the materials put into the cage aquaculture system can be fully circulated multiple times, thereby improving the utilization efficiency of materials and energy in the system, achieving functional complementarity between different aquaculture systems, and reducing nets. ...
Embodiment 2
[0024] Multi-nutrient level ecological breeding method, shallow sea fish is large yellow croaker, benthic filter-feeding biological seedlings are sea cucumber, and green algae is hijiki as examples:
[0025] 1) Choose a breeding site: Choose an area with clear water quality, sufficient sunlight, small water level drop and slow water flow in the breeding farm area;
[0026] 2). Farming distribution: Put large yellow croaker fry in the upper layer of the marine ecological aquaculture cage 1, and the amount of stock is 120 fish / m2. Put the sea cucumber seedlings in the lower layer, the quantity is 800 heads / m2, and the hijiki is planted on the anchor rope 2 connected to the cage, and the planting density is 30 trees / cm 2 . Through the combination of organisms in different nutrient niches, the materials put into the cage culture system can be fully recycled for multiple times, thereby improving the utilization efficiency of materials and energy in the system, realizing the functional c...
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