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Method for promoting recovery of native vegetation in tropical coast sandy land

A vegetation restoration and coastal technology, applied in the fields of site preparation, botany equipment and methods, plant cultivation, etc., can solve the problems of native vegetation grouping, long cycle, poor stress resistance, etc., and achieve the improvement of structural complexity and the survival rate of seedlings Improvement, effect of biodiversity improvement

Inactive Publication Date: 2016-08-10
RES INST OF FOREST RESOURCE INFORMATION TECHN CHINESE ACADEMY OF FORESTRY +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In order to solve the poor effect, long cycle, high cost and poor stress resistance existing in the restoration of native vegetation in tropical coastal sandy wasteland, as well as the difficulties in the establishment, growth and development of native vegetation under casuarina forests in tropical coastal sandy land Problem, the present invention provides a method for promoting the recovery of native vegetation in tropical coastal sandy wasteland without forests and a method for promoting the recovery of native vegetation in tropical coastal sandy casuarina protective forests

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Embodiment 1 The method for promoting the restoration of native vegetation in tropical seashore non-forested sand wasteland comprises the following steps:

[0047] (1) Selection of seed banks and flowering shrubs for cuttings

[0048] Screen the seeds of following trees, shrubs and herbaceous plants to form a seed bank. The seeds of the trees are: Gingeria japonica seeds, iron tree seeds, agarwood seeds and neem seeds; the shrub seeds are: Yinchai seeds and black-faced god seeds ; The herbaceous plant seeds are verbena seeds; the flower shrubs are: hibiscus and light leaf flowers.

[0049] (2) Colonization of seed bank plaques

[0050] ① Use a degradable thin cardboard box with a paper thickness of 0.3cm to 0.5cm without a cover, which is length × width × depth = 1.0m × 1.0m × 0.2m inside the carton as a seed bank plaque. The thickness of the thin cardboard box is 175g / m 2 . For 20 cartons, that is, 20 seed bank plaques.

[0051] ② Randomly dig square pits with a le...

Embodiment 2

[0074] Embodiment 2 The method for promoting the recovery of local vegetation under the casuarina phyllotropis forest with low canopy density in tropical coastal sandy land comprises the following steps:

[0075] (1) Selection of seed banks and flowering shrubs for cuttings

[0076] Screen the seeds of following trees, shrubs and herbaceous plants to form a seed bank, the trees seeds are: iron tree seeds, Scherichia chinensis seeds and zinnia seeds; the shrub seeds are: myrtle seeds and King Leopard seeds; The herbaceous plant seeds are periwinkle seeds; the flower shrubs are: hibiscus and light-leaved flowers.

[0077] (2) Colonization of seed bank plaques

[0078] ① Use a degradable thin cardboard box with a paper thickness of 0.3cm to 0.5cm without a cover, which is length × width × depth = 1.0m × 1.0m × 0.2m inside the carton as a seed bank plaque. The thickness of the thin cardboard box is 175g / m 2 .

[0079] ②In the tropical coastal sandy land with a salt content of 0...

Embodiment 3

[0097] Embodiment 3 promotes the method for canopy density casuarina understory vegetation recovery in tropical coastal sandy land

[0098] Embodiment 3 is the same as Embodiment 2 except that the following measures are different, and will not be repeated here.

[0099] (1) Selection of seed banks and flowering shrubs for cuttings

[0100] Screen the seeds of following trees, shrubs and herbaceous plants to form a seed bank. The seeds of the trees are: Dalbergia japonica seeds, tamana seeds and safflower seeds; the shrub seeds are: Daqing seeds and pandanus tree seeds; the herbaceous plant seeds are: verbena seeds; the flower shrubs are: Hibiscus hibiscus.

[0101] (2) Colonization of seed bank plaques

[0102] ① Provide 10 cartons, that is, 10 seed bank plaques.

[0103] ②Casuarina forest canopy density is 0.65-0.85, every 100m 2 10 square pits were randomly dug under the casuarina forest.

[0104] (3) Sowing and flowering shrub cuttings

[0105] ① Sowing

[0106]In mi...

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Abstract

The invention discloses a method for promoting recovery of native vegetation in tropical coast sandy land and relates to a method for recovery of native vegetation in non-forested tropical coast sandy wasteland or under the Casuarina equisetifolia forest in sandy land. According to the technical scheme, seeds of proper arbores, shrubs and herbaceous plants are selected to form a seed bank and matched in a proper proportion, branches of flowering shrubs are selected as cutting shoots, an uncovered biodegradable thin carton is planted in the non-forested sand wasteland or under the Casuarina equisetifolia forest in the sand land to serve as a seed bank patch, sandy soil is paved at the bottom in the patch, the seeds and the sandy soil are mixed and spread in the patch, a sunshade net is erected above the seed bank patch in the non-forested sandy wasteland, the forest gap area above the seed bank patch under the Casuarina equisetifolia forest is larger than or equal to 25 square meters, and a sunshade net is erected above the seed bank patch; the cutting shoots of the flowering shrubs are cut and inserted into the place, where the seeds are not germinated or few seedlings emerge, in the seed bank patch. The seed sprouting rate and the seedling survival rate are high, the colonization period of the native vegetation in a completely natural state is shortened, the biological diversity and the structure complexity are improved, and the stability and the stress resistance of a constructed forest community are high.

Description

technical field [0001] The invention belongs to the technical field of vegetation restoration, and in particular relates to a method for promoting restoration of native vegetation in tropical coastal sandy land. Background technique [0002] Casuarina equisetifolia is cultivated in Guangdong, Guangxi, Fujian, Hainan, and Taiwan because of its good wind resistance, barren resistance, and salt resistance. Up to now, about 50,000 hm of casuarina coastal defense forests have been built on the 1,450 km of coastal sandy land around the island in Hainan Province. 2 . However, the decomposition ability of casuarina litter is much lower than that of other tropical tree species, so that its litter accumulates in a large amount under the forest, which hinders the process of forest soil nutrient cycle, causes soil acidification, and further affects the vegetation's planting, colonization, growth and development. development, hindering the process of forest positive succession. [000...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G9/02A01G1/00
CPCA01B79/02A01G9/02A01G22/00
Inventor 刘宪钊薛杨彭辉周红敏陆元昌王小燕林之盼宿少峰巴合提牙尔克热木
Owner RES INST OF FOREST RESOURCE INFORMATION TECHN CHINESE ACADEMY OF FORESTRY
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