Grazing-resistant bio-environment creation method for submerged plant planting and propagation

A technology for submerged plants and habitats, applied in botany equipment and methods, plant cultivation, horticulture, etc., can solve problems such as extinction and submerged plants decline, and achieve the effects of reducing project cost, easy operation, and low energy consumption

Inactive Publication Date: 2016-08-17
INST OF AQUATIC LIFE ACAD SINICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in degraded ecosystems, excessive grazing of aquatic animals such as fish will cause the succession of dominant species of submerged plants and the change of community structure, making their food intake greatly exceed the reproduction capacity of submerged plants, resulting in submerged plants. decline or death of plants

Method used

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  • Grazing-resistant bio-environment creation method for submerged plant planting and propagation
  • Grazing-resistant bio-environment creation method for submerged plant planting and propagation
  • Grazing-resistant bio-environment creation method for submerged plant planting and propagation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A method for creating a grazing-resistant habitat for submerged plants to colonize and reproduce, the steps of which are:

[0029] (1) Select the planting area: the average water depth of Maojiabu, West Lake, Hangzhou is about 1.5m. In the area close to the shore, the water depth is measured by the water depth meter, and the water depth of 0.8m or 1m or 1.2m is selected in the 25m×18m water area, respectively. Insert bamboo poles to mark the four corners of the rectangular area, fix the bamboo poles, and connect the four bamboo poles in turn with nylon ropes along the water surface to mark the selected submerged plant planting area.

[0030] (2) Plant peripheral fence plants: choose a combination of two submerged plants: hornwort and chrysoprina spicosa for the peripheral fence layer plants, and use bamboo poles and nylon ropes to mark the planting areas of hornwort and chrysoprina spicosa respectively , according to 80 plants / m 2 Density, respectively plant the hornwo...

Embodiment 2

[0035] A method for creating a grazing-resistant habitat for submerged plants to colonize and reproduce, the steps of which are:

[0036] (1) Select the planting area: In the same water area as in Example 1, use the same method to select another 25m×18m area similar to Example 1, and mark it with bamboo poles and nylon ropes.

[0037] (2) Planting peripheral fence plants: Select a single species of hornwort algae for the submerged plants of the outer fence, use bamboo poles and nylon ropes to mark the planting area of ​​hornwort algae, and use 80 plants / m 2 Density, planting hornwort algae in good growth condition in the corresponding planting area, the planting layer width of hornwort algae is 5m, and the area is 330m 2 .

[0038] (3) Planting protected plants in the inner perimeter: Choose bitter grass and Hydra verticillium for the protected submerged plants in the inner perimeter, mark them with bamboo poles and nylon ropes, divide the inner perimeter protection area into...

Embodiment 3

[0042] A method for creating a grazing-resistant habitat for submerged plants to colonize and reproduce, the steps of which are:

[0043] In the same water area as in Embodiment 1, another area of ​​25m×18m similar to Embodiment 2 is selected. Replace the Chrysostrum pentaphyllum in Example 2 with Villium spicanus in good growth condition, and the other implementation steps are the same as in Example 1 or 2.

[0044] After about 35 days, the submerged plants in the grazing-resistant area reached stability, and the grazing-tolerant habitats were successfully colonized with bitter grass and Hydrilla verticillium, and the coverage of bitter grass reached 55%, and the coverage of Hydrilic algae reached 45%. maintained at a high level.

[0045] In May 2014, three technical examples of grazing-resistant habitat construction were completed, and they were monitored regularly. After about 35 days, the submerged plants in the grazing-tolerant area reached stability, and the grazing-res...

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Abstract

The invention discloses a method for constructing a grazing-resistant habitat for submerged plants to colonize and multiply. ‑1.5m range of waters, mark the planting area of ​​the outer fence and the inner protection area; according to 80‑100 plants / m 2 plant the submerged plants in the peripheral plant fence layer; c, after the plants in the peripheral fence area are planted for 10-20 days, then plant the submerged plants in the inner protection area, with a density of 50-80 plants / m 2 ; d. Within 18-22 days after the construction of the grazing-resistant area is completed, the floating or dead submerged plants will be salvaged and cleaned, and new submerged plants will be added to reach the established planting density. The method is easy to implement, easy to operate, ecological and environmentally friendly, avoids the interference of artificial construction such as fences, reduces engineering construction pollution, reduces engineering cost, and is conducive to the submerged plant restoration and reconstruction and the submerged plant colonization and reproduction in community optimization.

Description

technical field [0001] The invention belongs to the field of restoration and reconstruction of submerged plants, and more specifically relates to a method for constructing a grazing-resistant habitat for the colonization and reproduction of submerged plants, which is suitable for the restoration and reconstruction of submerged plants, and is beneficial to fish The restored growth environment of submerged plants that like to eat. Background technique [0002] With the rapid development of industrialization and urbanization, a large amount of pollutants such as nitrogen and phosphorus are discharged into lakes, rivers, and reservoirs, and eutrophication of water bodies has become one of the urgent environmental problems that need to be solved. The eutrophication of shallow lakes, reservoirs and other water bodies will affect regional economic development and social harmony, and the increasing water pollution has seriously affected people's production and life. Water pollution...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G33/00
CPCA01G22/00A01G33/00
Inventor 吴振斌闵奋力刘碧云张义李今贺锋曾磊代志刚徐栋周巧红
Owner INST OF AQUATIC LIFE ACAD SINICA
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