Detection method for forest carbon sink

A detection method and forest technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as poor reliability and comparability, low accuracy of research results, affecting the scientificity and reliability of global carbon sink change predictions, etc., to achieve Comparable and operable effects

Inactive Publication Date: 2016-02-10
SHANGHAI GAOJIAZHUANGYUAN AGRI DEV CO LTD
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Problems solved by technology

However, the level of research, the degree of sophistication, and the estimation methods vary from region to region, making the method less reliable and comparable
[0006] Existing carbon sink detection methods mainly estimate forest carbon sinks based on biomass, so the estimated results obtained are static and cannot reflect the dynamic development trend

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  • Detection method for forest carbon sink

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Embodiment Construction

[0015] The detection method of the forest carbon sink involved in the present invention will be described in detail below.

[0016]

[0017] In this example, a forest with an area of ​​400 hectares located in Chongming Island is selected as the research object, and the forest carbon sink is calculated. The main tree species in the forest are ginkgo, metasequoia, privet, duying, bamboo, camphor, poplar and fruit trees.

[0018] The detection method of the forest carbon sink is as follows:

[0019] Step 1, nuclear staining, select 6 trees for each of the above-mentioned tree species to make wood slices, try to select 6 trees of different ages for each tree species, so as to make the calculation results more accurate. Cut wood slices with a thickness of 15-20 μm from each tree, and then carry out cell nucleus staining on each wood slice. The procedure of cell nucleus staining is shown in Table 1.

[0020] Table 1

[0021] steps

process

1

Transition to...

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Abstract

A provided metering method for forest carbon sink comprises the following steps: steps 1, staining cell nucleus; step 2, calculating cell wall percentage; step 3, calculating tree species volume; and step 4, calculating forest carbon sink, respectively calculating the carbon sink of each tree species according to the following formula: C[i]=0.5*10<3>*r[i]*V[i], wherein C[i] is the carbon sink of one tree species, r[i] is the tree species cell wall percentage of the tree species, V[i] is the volume of the tree species, and summing the carbon sink of all tree species, so as to calculate the carbon sink of the forest, in other words, C=C[1]+C[2]+...+C[i], wherein C is the forest carbon sink, and n is the tree species sum. The metering method for the forest carbon sink is capable of relatively accurately metering the forest carbon sink, difference of carbon sink capability of different tree species at different areas is fully considered, the forest carbon sink is dynamically metered, and disadvantages of static metering is overcome.

Description

technical field [0001] The invention relates to a detection method of forest carbon sink. Background technique [0002] The global climate change caused by the greenhouse effect caused by the accumulation of greenhouse gases such as carbon dioxide is a major environmental problem facing human beings. As the main body of terrestrial ecosystems, forests play a very important role in the global carbon cycle. Therefore, detecting forest carbon sink capacity is of great significance for the study of global climate change. Using different carbon sink detection methods, the results obtained are not the same. At present, forest carbon sink detection methods mainly include biomass method, stock method, and biological inventory method based on biomass method and stock method. [0003] The biomass method is currently the most widely used method. This method is to calculate the forest biomass and multiply it by the biomass-carbon storage conversion factor to obtain the forest carbon s...

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Application Information

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IPC IPC(8): G01N33/00
Inventor 高健施俊霞
Owner SHANGHAI GAOJIAZHUANGYUAN AGRI DEV CO LTD
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