Method for cultivating zostera marina in coastal waters
A seaweed and sea area technology, applied in seaweed cultivation, botanical equipment and methods, horticulture, etc., can solve problems such as large amount of seagrass resources, high cost, and large impact on seagrass beds, and achieve high survival rate, low cost, Centralized and controllable effects in the spreading area
Inactive Publication Date: 2015-04-15
长岛县科学技术局(长岛县科学技术协会)
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Problems solved by technology
Among them, the ecological environment restoration method takes a long time and is slow to take effect. Often because the restoration process is not as fast as the degradation speed of the seagrass bed, it can only delay the degradation of the seagrass bed and cannot truly restore the seagrass bed.
The transplanting method requires a large amount of seagrass resources, which has a great impact on the seagrass bed where it is removed. The transplanted seedlings cannot be
Method used
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Embodiment Construction
[0006] Put the collection box with the substrate in advance into the pond (such as sea cucumber pond, abalone pond, etc.) where the water flow is gentle. Before the flowering period of the eelgrass begins in May every year, the collection box is removed from the pond and transported to the offshore sea area for fixed-point distribution. The eelgrass in the collection box is used to naturally disperse the seeds, forming a relatively concentrated seed enrichment area around the collection box. Complete the process of spreading and propagating eel algae.
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The invention relates to a method for cultivating zostera marina in coastal waters. The method is characterized in that a substrate is added in collection boxes, and the collection boxes with the substrate are put in a pond; zostera marina in the pond grows naturally and creped into the collection boxes; before zostera marina seed maturity, the collection boxes are moved out of the pond, and are put in coastal waters at determined positions; the seeds are naturally spread by the zostera marina in the collection boxes, and a zostera marina spreading propagation process is finished.
Description
technical field [0001] The invention relates to the breeding industry of marine products, in particular to a method for cultivating eel algae in offshore waters. Background technique [0002] Seaweed and seagrass together constitute marine vegetation in the intertidal zone and shallow sea. Seagrass fields are herbaceous plants in the ocean that grow on the sediment deposits in the subtidal zone. The main species that constitute natural seagrass fields include eelgrass, eelgrass clumps, eelgrass japonica, and red-fibrous root prawns. The existence of seagrass fields can absorb nitrogen, phosphorus, inorganic salts, heavy metals, etc. to improve the sea environment, provide an important habitat and breeding place for fish and invertebrates, and reduce the erosion of the embankment by waves. Worldwide, coastal seagrasslands are degraded due to loss of coastal zones, land-based discharges and pollution affecting seawater clarity, and overharvesting. The main methods of seagras...
Claims
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Inventor 孙成伟
Owner 长岛县科学技术局(长岛县科学技术协会)
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