A kind of method for selecting sea cucumber bottom sowing multiplication place

A sea cucumber and location technology, applied in the field of sea cucumber growth environment analysis, can solve problems such as blindness, lack of scientificity and systematicness, and no season distinction of target sea areas, so as to avoid misjudgment, improve survival rate, and avoid economic losses Effect

Active Publication Date: 2020-05-22
OCEAN UNIV OF CHINA
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Problems solved by technology

[0004] Existing methods for selecting sea cucumber bottom sowing multiplication sites mainly rely on empirical judgments, historical records of the target sea area, and whether there are natural resources at present. Individuals of different sizes of japonicus study the bottom sowing area separately, which lacks scientific and systematic

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  • A kind of method for selecting sea cucumber bottom sowing multiplication place
  • A kind of method for selecting sea cucumber bottom sowing multiplication place
  • A kind of method for selecting sea cucumber bottom sowing multiplication place

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Embodiment Construction

[0044] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0045] A method for selecting a sea cucumber bottom sowing multiplication site, characterized in that it comprises:

[0046] The step of screening growth environment evaluation factors;

[0047] Establish the specific value of each evaluation factor as an independent variable, and use the suitability value SI of the evaluation factor i (i=1~n) is a piecewise function of the dependent variable, n represents the number of evaluation factors, and n is a positive integer;

[0048] Determine the weight value W of each evaluation factor i (i=1~n) step, the value of n is the quantity of evaluation factor, and n is a positive integer;

[0049] The step of collecting the specific values ​​of each evaluation factor in the target sea area;

[0050] Substituting the specific value of each evaluation factor into the segmental function related to each evaluation factor...

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Abstract

The invention relates to methods for analyzing the growth environment of Apostichopus japonicus(Selenka), in particular to a method for selecting a site for bottom sowing propagation of Apostichopus japonicus(Selenka). The method comprises the steps: (1) screening growth environment evaluation factors; (2) establishing piecewise functions which adopt specific values of the evaluation factors as independent variables and suitability values of the evaluation factors as dependent variables; (3) determining the weight values of the evaluation factors; (4) collecting the specific values of the evaluation factors in a target sea area; (5) substituting the specific values of the evaluation factors into the piecewise functions related to the evaluation factors so as to obtain the suitability values, corresponding to the specific values of the evaluation factors, of the evaluation factors; and (6) adopting a suitability exponential model into the suitability values of the evaluation factors inthe target sea area and the weight values of the evaluation factors so as to obtain the habitat suitability index of the target sea area. Through the method for selecting the site for bottom sowing propagation of Apostichopus japonicus(Selenka), it can be ensured that Apostichopus japonicus(Selenka) can have a most suitable growth environment in different target sea areas, so that the survival rate of Apostichopus japonicus(Selenka) is improved.

Description

technical field [0001] The invention relates to a method for analyzing the growth environment of sea cucumbers, in particular to a method for selecting places for sea cucumber bottom sowing and multiplication. Background technique [0002] Sea cucumber (Apostichopus japonicus (Selenka)) belongs to the class Echinodermata. It is mainly distributed in the northwest coast of the Pacific Ocean from 35°N to 44°N, including Vladivostok in northern Russia, the Sea of ​​Japan, the southern part of the Korean Peninsula, and the Yellow and Bohai Seas in China. Most sea cucumbers are sediment-feeding and feed on organic nutrients, bacteria and protozoa in the sediment, which can reduce the organic matter content in the bottom sediment of closed sea areas and inhibit the proliferation of algae. Therefore, sea cucumber is regarded as a potential bioremediation species. In addition, japonicus is regarded as an important fishery resource in Russia, China, Japan, South Korea and North Kor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q50/02A01K61/30
CPCA01K61/30G06Q50/02
Inventor 张智鹏张秀梅杨晓龙吴忠鑫胡成业
Owner OCEAN UNIV OF CHINA
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