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Method of improving Guangdong planted forest carbon sink potential under global change background

A technology with global change and carbon sink potential, applied in the field of forest management, can solve problems such as slow growth and difficulty in transplanting and surviving

Inactive Publication Date: 2016-02-24
SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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  • Abstract
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AI Technical Summary

Problems solved by technology

Slow growth, difficult to transplant and survive

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0013] 1. Acid precipitation experiment

[0014] The experiment started in May 2008. Twelve quadrats of 10×10m were constructed in the monsoon evergreen broad-leaved forest and coniferous broad-leaved mixed forest in Dinghushan. According to the acid rain situation in Guangdong in recent years, acid rain with different pH values ​​was designed to simulate acid rain, which was divided into 4 treatments of 3.5, 4.0, 4.5 and control, with 3 replicates for each treatment. Use these acid rains with different acidities to treat each sample plot of these three forest types, and monitor the growth response of different plants regularly. The plant types of the monsoon evergreen broad-leaved forest include: Schima superb, Acmena acuminatissima, Randia canthioides, Castanopsis chinensis, Cryptocarya concinna, Aidia canthioides (Champ .exBenth.) Masam.), etc.; coniferous and broad-leaved mixed forest plant types include: Schima superb (Schima superb), Xiao apple (Acmenaacuminatissima), ...

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Abstract

The invention discloses a method of improving Guangdong planted forest carbon sink potential under global change background; the method is to plant schima superb and / or Ormosiapinnata(Lour.)Merr in afforestation; under a simulation acid rain treatment, the schima superb can still grow fast; when CO2 concentration is multiplied and under high N settlement, the schima superb and Ormosiapinnata(Lour.)Merr can still grow fast; when the temperature rises 1-2 DEG C, the schima superb and Ormosiapinnata(Lour.)Merr can grow fast. The method of improving Guangdong planted forest carbon sink potential under global change background is to plant the schima superb and / or Ormosiapinnata(Lour.)Merr in afforestation in single plantation or interplant, thus adjusting species composition and age group composition of the planted forest on purpose; the method uses scientific tending mode to gradually improve forest quality, thus greatly improving carbon sink potential of the forest ecology system in our country, and strongly supporting our country environment diplomatic negotiations.

Description

technical field [0001] The invention belongs to the field of forest management, and specifically relates to a method for improving the carbon sink potential of Guangdong artificial forests under the background of global change. Background technique [0002] Global Change (CO 2 Concentration rise, acid deposition, temperature rise, precipitation changes, etc.) have become the major challenges facing human beings. In recent years, some areas of Guangdong Province have shown a trend of increasing annual average temperature, decreasing annual precipitation, and increasing precipitation variability. In addition, the problem of acid deposition in Guangdong Province is becoming more and more serious. Generally speaking, under the background of global change, plant growth will be significantly affected, plant growth will be accelerated, reduced or dead, and the carbon sequestration capacity of forest ecosystem will be enhanced or reduced. In this context, it is necessary to scree...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00
CPCA01G17/005
Inventor 刘菊秀周国逸张德强李跃林张倩媚
Owner SOUTH CHINA BOTANICAL GARDEN CHINESE ACADEMY OF SCI
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