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Method for determining accumulation rate of shellfish cultured blue carbon in sediment

A technology for shellfish breeding and sedimentation, applied in the direction of color/spectral characteristic measurement, etc., can solve problems such as unquantification, achieve the effect of improving test efficiency and facilitating scientific and rapid evaluation

Active Publication Date: 2019-07-02
OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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Problems solved by technology

However, due to limitations in monitoring techniques, it has not been possible to quantify the amount of blue carbon in this sediment

Method used

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  • Method for determining accumulation rate of shellfish cultured blue carbon in sediment
  • Method for determining accumulation rate of shellfish cultured blue carbon in sediment
  • Method for determining accumulation rate of shellfish cultured blue carbon in sediment

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Embodiment 1

[0027] Example 1 The method of the present invention is used to detect the accumulation rate of sediment carbon sink formed by clam culture in Jiaozhou Bay, and the specific steps are as follows:

[0028] 1. Selection of observation points: one for each clam breeding area (36°08′-36°24′N, 120°07′-120°20′E) and adjacent non-shellfish breeding areas in Jiaozhou Bay. Select observation points and calculate by measuring the pH, salinity, dissolved oxygen, nutrients, total organic carbon, biological oxygen demand of seawater, as well as the depth, particle size, salinity, organic carbon, nitrogen, and phosphorus content of sediments and other parameters The above parameters are statistically different between the breeding area and the non-breeding area. If there is no significant difference, the observation points of the breeding area and the non-breeding area are finally determined as Y1(36°12′21″N, 120°16′ 16″E) and N1 (36°12′23″N, 120°16′18″E), the observation points can represent ...

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Abstract

The invention relates to the field of ecological environment monitoring and analysis, and in particular relates to a method for detecting the accumulation rate of shellfish cultured blue carbon in a sediment. The method for determining the accumulation rate of shellfish cultured blue carbon in the sediment comprises the steps that (1) m and n observation points are set in a shellfish culture zoneand an adjacent non-shellfish culture zone respectively; (2) sediment samples from the observation points are collected to construct a spectral model of the carbon content in the sediment; (3) the spectral data of the observation points are measured and substituted into the spectral model to calculate the carbon content of the sediment profile of the observation points; (4) the carbon content of the sediment profile of the observation points is converted into the carbon reserve of the observation points through a conversion coefficient t; and (5) the accumulation rate of cultured blue carbon in the sediment in a certain period of time is calculated through a formula. The method for determining the accumulation rate of shellfish cultured blue carbon in the sediment solves the difficulty ofemission reduction quantifying of culture sink, and facilitates scientific evaluation of the contribution of the culture carbon sink.

Description

Technical field [0001] The invention relates to the field of ecological environment monitoring and analysis, in particular to a method for detecting the accumulation rate of shellfish cultured blue carbon in sediments. Background technique [0002] In the face of increasingly severe global climate change linked to carbon emissions, biological carbon sequestration is a safe, efficient and economically feasible way to increase sinks. Marine aquaculture can maximize the use of biological carbon sequestration strategies and increase ocean carbon sinks. It is a win-win road that my country has explored in recent years to increase sinks and low-carbon development. [0003] my country is the country with the largest scale of aquaculture in Shanghai in the world, and its aquaculture production accounts for more than 60% of the world. Among them, shell and algae cultivation is the main industry, and its output accounts for more than 85% of my country's mariculture output. Shellfish and al...

Claims

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Application Information

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IPC IPC(8): G01N21/25
CPCG01N21/25
Inventor 范萍萍吕美蓉李雪莹刘杰刘岩张颖颖
Owner OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
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