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A method for restoration of benthic animal resources in Sonnenia apetalum artificial forest wetland

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 and other problems, and achieve the effects of low afforestation costs and improved ecological functions.

Active Publication Date: 2021-01-29
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 apetalum artificial pure forest with a length (along the coastline) of 50 m and a width (from the shore to the sea) of 50 m was selected, and the canopy density of the forest was 0.29. First, remove Spartina alterniflora, weeds, and miscellaneous shrubs in the understory; then select robust bag seedlings of olive tree without diseases and insect pests for planting, and the planting specification is row spacing×plant spacing=0.6m×0.6 m. 6 months after planting, the overgrowth ( Y = 0.573) of the low-value species of smooth-mouthed snails were harvested manually, so that the species dominance index dropped below 0.10; then, a "well"-shaped main ditch was artificially excavated in the forest land of the demonstration area, and then small ditches were excavated in all directions. Ditch 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 an...

Embodiment 2

[0051] A 3-year-old S. apetalum artificial forest with a length (along the coastline) of 40 m and a width (from the coast to the sea) of 60 m was selected. The canopy density of the forest was 0.57. Clean up Spartina, weeds, and miscellaneous shrubs; then select healthy bag seedlings of olives without pests and diseases for planting. In the last 6 months, the low-value species Snail snail ( Y =0.347), smooth river blue clam ( Y = 0.319) and Protopoda sclerotinum ( Y = 0.131) for manual harvesting, so that their 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 when the tide is low; then artificially release the seedlings of pioneer aquatic animals (Neris cerevisiae didentate) (specification: 500 / catties), and the density is 10 / m 2 ...

Embodiment 3

[0053] Select a 6-year-old artificial pure forest of Sangria apetalum with a length (along the coastline) of 50 m and a width (from the shore to the sea) of 60 m. The canopy density of the forest is 0.81. Prune the mulberry stand to reduce the canopy density to 0.55, and remove the Spartina alterniflora or weeds and miscellaneous shrubs under the forest; then select healthy and healthy olive bag seedlings without diseases and insect pests for planting, and the planting specification is row spacing × Plant spacing = 0.6 m × 0.6 m, tending and management of the planted olive tree seedlings; 6 months after planting, the excessive growth of the low-value species of Protopoda tennatus ( Y = 0.904) to carry out manual harvesting to reduce the species dominance index to 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. Swimming animals can li...

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Abstract

The invention discloses a method for restoring benthic animal resources in the artificial forest of Sangria apetalum. The present invention treats the sea mulberry forest, prunes or removes the weeds and miscellaneous shrubs under the forest and then replants the native mangrove plant seedlings; Increase the harvesting of benthic animals; then dig ditches under the sea mulberry forest; after the ditches are dug, first put in pioneer aquatic animal seedlings, then put in economic species benthic animal seedlings, and finally put swimming animals in the ditch seedlings. The present invention does not need to cut down the pure forest of Sangria apetalum that has been recovered into a forest, but reduces the influence of certain biological characteristics of Sangria apetalum on benthic animals by transforming the restored Sangria apetalum artificial forest , to achieve the purpose of sustainable utilization of the Sangria apetalum plantation swamp as a marine fishery base. At the same time, artificially proliferate some economic benthic animals, and establish the ecological balance of the artificial forest area - the best model for economic benefits.

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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Patent Type & Authority Patents(China)
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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