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Method for recovering sonneratia apetala artificial forest wet land benthonic animal resources

A non-petal sea mulberry and benthic animal technology, applied in the field of environmental restoration, can solve the problems of unrepairable benthic animal resources, waste, etc., and achieve the effects of low afforestation costs, improved primary productivity, and improved ecological functions.

Active Publication Date: 2017-05-31
GUANGDONG UNIV OF EDUCATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, different from native mangrove plantations, for Sonnenia apetalum plantations, the restoration of wetland vegetation alone cannot restore the benthic animal resources in the natural state.
Therefore, in order to restore wetland benthic animal resources, some places do not hesitate to cut down the pure Sangria apetalum forest that has been restored to forests, and then plant native mangroves, causing great waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] A 6-month-old Sonneratia apetala artificial pure forest with a length (along the coastline) of 50m and a width (from the shore to the sea) of 50m was selected, and the canopy density of the forest was 0.29. First of all, remove Spartina alterniflora or weeds and miscellaneous shrubs in the understory; then select robust bag seedlings of olive tree without pests and diseases for planting. Carry out tending and management of olive seedlings; 6 months after planting, artificially harvest the low-value species of snail snail that is excessively growing (Y=0.573) in the understory wetland, so that the species dominance index drops below 0.10; then, Manually dig a "well"-shaped main ditch in the forest land of the demonstration area, and then dig small ditches in all directions to form a ditch network in the forest area for swimming animals to live normally or avoid predators when the tide is low; then artificially release pioneer aquatic animals (Neris cerevisiae double teeth) ...

Embodiment 2

[0051] Select a 3-year-old artificial pure forest of Sangria apetalum with a length (along the coastline direction) of 40m and a width (from the shore to the sea) of 60m. The canopy density of the forest is 0.57. Grass or weeds, miscellaneous shrubs are cleared away; then select healthy and healthy oleracea bag seedlings without pests and diseases for planting, the planting specification is row spacing * spacing between plants = 0.6m * 0.6m, and the planting of oleracea seedlings is tended and managed; after planting 6 In 2 months, the low-value species of snail snail (Y=0.347), blue clam (Y=0.319) and protopoda sclerosus (Y=0.131) were artificially harvested to make them The species dominance index dropped below 0.10; then, a "well"-shaped main ditch was artificially dug in the forest land of the demonstration area, and then small ditches were dug in all directions to form a ditch network in the forest area for swimming animals to live normally or Avoid predators, etc.; then arti...

Embodiment 3

[0053] Select a 6-year-old artificial pure forest of Sangria apetalum in the range of 50m in length (along the coastline direction) and 60m in width (from the shore to the sea). The canopy density of the forest is 0.81. Carry out branch pruning separately, make canopy density be reduced to 0.55, clear away Spartina alterniflora or weeds, miscellaneous shrubs under the forest; Then select the strong and strong oleracea bag seedlings without damage by diseases and insects to plant, and planting specification is line spacing * spacing between plants= 0.6m×0.6m, tending and managing the planted olive tree seedlings; 6 months after planting, artificially harvested the low-value species Protopoda tennatus (Y=0.904) that had grown excessively in the understory wetland, so that it The species dominance index dropped below 0.10; then, a "well"-shaped main ditch was artificially dug in the forest land of the demonstration area, and then small ditches were dug in all directions to form a ...

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Abstract

The invention discloses a method for recovering sonneratia apetala artificial forest wet land benthonic animal resources. A sonneratia apetala forest is treated, pruning is performed or weeds and miscellaneous shrubs under the forest are removed and then native mangrove seedlings are planted; fishing strength on low-value variety benthonic animals excessively growing under the sonneratia apetala forest is reinforced; ditches are dug under the sonneratia apetala forest; after the ditches are dug well, first pioneer aquatic animal fingerlings are placed, economic variety benthonic animal fingerlings are placed, and finally nekton fingerlings are placed in the ditches. According to the method, the sonneratia apetala forest which recovers to be a forest does not need to be chopped down in a large area, the influence on the benthonic animals caused by some biological characteristics of sonneratia apetala is reduced by remolding the recovered sonneratia apetala artificial forest, and the goal of taking recovering sonneratia apetala artificial forest swamp as a marine fishery base to be continuously utilized is achieved. Some economic benthonic animals are reproduced artificially, and an optimal artificial forest ecological balance - economic benefit mode is established.

Description

technical field [0001] The invention belongs to the field of environmental restoration, and in particular relates to a method for restoring benthic animal resources in the artificial forest of Sangria apetalum. Background technique [0002] The mangrove ecosystem has a high degree of spatial heterogeneity, complexity and rich species diversity, and a high level of productivity supports fisheries and aquatic animal habitat and foraging in coastal areas. Due to population pressure and economic development, the area of ​​mangroves in the world continues to shrink, the length of coasts where mangroves are distributed has decreased, and the status of wetland resources and their ecological functions have seriously deteriorated. With the increasing awareness of the importance of mangrove wetlands, in recent years, the coastal provinces in South China have been vigorously artificially planting mangroves, restoring coastal mangrove wetlands, building a coastal protection forest syste...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01K61/59A01K61/40A01K61/10
CPCA01G17/005A01K61/00Y02A40/22Y02A40/81
Inventor 唐以杰吴映明黄更生陈康刘金苓
Owner GUANGDONG UNIV OF EDUCATION
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