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Abandoned shrimp pond ecological repairing method for simulating natural succession

A technology for ecological restoration and shrimp ponds, which is applied in the field of ecological restoration of abandoned shrimp ponds that simulate natural succession, can solve the problems of inability to achieve ecological cycle governance, slow and unobvious restoration effects, and increase the cost of treatment, so as to increase mangrove forests. area, restoration of the abandoned shrimp pond ecosystem, and the effect of reducing bait delivery

Inactive Publication Date: 2019-11-15
自然资源部第四海洋研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Among the existing restoration methods for abandoned shrimp ponds, the method of ecological restoration can be used only by planting mangroves, and the restoration effect is slow and not obvious. The environment causes secondary harm, and at the same time increases the cost of treatment, and cannot achieve the effect of ecological cycle management. Therefore, this invention provides an ecological restoration method for abandoned shrimp ponds that simulates natural succession

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The invention provides a technical solution: an ecological restoration method for an abandoned shrimp pond simulating natural succession, comprising the following steps:

[0025] Step 1: Set up an arc-shaped protective net at the mouth of the mariculture pond that naturally receives the tide in the coastal area. The radius of the protective net is about 4 times the width of the gate. 35 mesh;

[0026] Step 2: According to the water level characteristics of the local average low tide level, transform the bottom of the shrimp pond, construct tidal flats and water areas, and excavate a certain number of tidal ditches in the tidal flat area, and excavate six tidal ditches in the tidal flat area, respectively a, b, c, d, e, f, each 23 meters long or to the low tide line, among them, the tidal trenches a and d are 0.25m wide and 0.35m deep, b and e tidal trenches are 0.5m wide and 0.18m deep, c, f The tidal trenches are 1.2m wide and 0.15m deep, and the distance between ever...

Embodiment 2

[0040] The invention provides a technical solution: an ecological restoration method for an abandoned shrimp pond simulating natural succession, comprising the following steps:

[0041] Step 1: Set up an arc-shaped protective net at the mouth of the mariculture pond that naturally receives the tide in the coastal area. The radius of the protective net is about twice the width of the gate. 20 mesh;

[0042] Step 2: According to the water level characteristics of the local average low tide level, transform the bottom of the shrimp pond to construct tidal flats and water areas, and excavate a certain number of tidal ditches in the tidal flat area, and excavate six tidal ditches in the tidal flat area, respectively a, b, c, d, e, f, each 23 meters long or to the low tide line, among them, the tidal trenches a and d are 0.25m wide and 0.35m deep, b and e tidal trenches are 0.5m wide and 0.18m deep, c, f The tidal trenches are 1.2m wide and 0.15m deep, and the distance between ever...

Embodiment 3

[0057] The invention provides a technical solution: an ecological restoration method for an abandoned shrimp pond simulating natural succession, comprising the following steps:

[0058] Step 1: Set up an arc-shaped protective net at the mouth of the mariculture pond that naturally receives the tide in the coastal area. The radius of the protective net is about 5 times the width of the gate. 50 mesh;

[0059] Step 2: According to the water level characteristics of the local average low tide level, transform the bottom of the shrimp pond to construct tidal flats and water areas, and excavate a certain number of tidal ditches in the tidal flat area, and excavate six tidal ditches in the tidal flat area, respectively a, b, c, d, e, f, each 23 meters long or to the low tide line, among them, the tidal trenches a and d are 0.25m wide and 0.35m deep, b and e tidal trenches are 0.5m wide and 0.18m deep, c, f The tidal trenches are 1.2m wide and 0.15m deep, and the distance between ev...

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Abstract

The invention discloses an abandoned shrimp pond ecological repairing method for simulating natural succession. An arc-shaped protection net is arranged at a seawater breeding pond mouth which naturally receives tides in a coastal region, the pond bottom of a shrimp pond is refitted, and an intertidal zone and a water region are established; by digging a certain number of tidal creeks in the intertidal zone and putting in sedimentary feeding benthos for loosening sediments, the quality and geological conditions of the benthic environment are improved; by planting local coastal plants in the heightened region of the shrimp pond, putting in crabs, mudskippers and other economic animal larvae and putting in fishes, shrimps and other swimming animals in the water region, the breeding density and breeding types are reasonably controlled, and the aims of repairing the damage living environment and conducting stereoscopic breeding and ecological breeding are realized.

Description

technical field [0001] The invention belongs to the technical field of ecological restoration, and in particular relates to an ecological restoration method for an abandoned shrimp pond that simulates natural succession. Background technique [0002] Shrimp pond abandonment has become a common problem faced by the global shrimp farming industry. Driven by economic interests, shrimp farming practitioners pursue high-density farming, which leads to frequent occurrence of diseases and a sharp drop in the success rate of farming; the accumulation of residual bait and feces deteriorates water quality and further aggravates diseases. Shrimp ponds are often abandoned after several years of use , so in governance, the common method is to plant mangroves or transform a part of shrimp ponds into mangroves for governance. [0003] Among the existing restoration methods for abandoned shrimp ponds, the method of ecological restoration can be used only by planting mangroves, and the rest...

Claims

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Application Information

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IPC IPC(8): A01K61/40A01K61/59A01K61/54A01K61/00A01K61/10A01G17/00A01G33/00A01G22/00C02F3/32
CPCA01G17/005A01G33/00A01K61/00A01K61/10A01K61/40A01K61/54A01K61/59A01G22/00C02F3/32Y02A40/80Y02A40/81
Inventor 赵鹏江洪友朱祖浩
Owner 自然资源部第四海洋研究所
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