Spatial distribution acquiring method and system for spartina alterniflora in northern sea area of Guangxi

A technology of Spartina alterniflora and spatial distribution, applied in the field of remote sensing, can solve problems such as low efficiency, waste of manpower and material resources, and achieve the effects of reducing control costs, saving manpower and material resources, and improving measurement accuracy and efficiency.

Inactive Publication Date: 2014-01-22
SATELLITE ENVIRONMENT CENT MINIST OF ENVIRONMENTAL PROTECTION
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[0006] The present invention provides a method and system for acquiring the spatial distribution of Spartina alterniflora in Beihai area of ​​Guangxi, wh...

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  • Spatial distribution acquiring method and system for spartina alterniflora in northern sea area of Guangxi
  • Spatial distribution acquiring method and system for spartina alterniflora in northern sea area of Guangxi
  • Spatial distribution acquiring method and system for spartina alterniflora in northern sea area of Guangxi

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[0054] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0055] Embodiments of the present invention firstly provide a method for obtaining the spatial distribution of Spartina alterniflora in Beihai, Guangxi, see figure 1 ,include:

[0056] Step 101: Establish a remote sensing interpretation marker library of Spartina alterniflora and other typical features in Beihai, Guangxi.

[0057] Step 102: import...

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Abstract

The invention provides a spatial distribution acquiring method for spartina alterniflora in a northern sea area of Guangxi. The method comprises the steps of establishing remote sensing interpretation tag libraries of spartina alterniflora and other typical land features in the northern sea area of Guangxi; leading in a shot remote sensing image, wherein the remote sensing image is a satellite or unmanned aerial vehicle remote sensing image which is shot during falling tide and has the spatial resolution of smaller than 2m; delimiting the growth range of the spartina alterniflora according to the living condition information of the spartina alterniflora, and cropping the remote sensing image; interpreting the cropped remote sensing image according to the remote sensing interpretation tag libraries of the spartina alterniflora and other typical land features, and calculating the area to obtain the spatial distribution of the spartina alterniflora in the northern sea area of Guangxi. According to the invention, the traditional artificial ground survey way is replaced with an image analyzing and processing technology, so that a great number of labor and materials are saved, the measuring precision is improved, the measuring efficiency is increased, and the prevention and control costs are reduced.

Description

technical field [0001] The invention relates to the technical field of remote sensing, in particular to a method and system for acquiring the spatial distribution of Spartina alterniflora in Beihai area of ​​Guangxi. Background technique [0002] Spartina alterniflora in Beihai area of ​​Guangxi is a perennial herb suitable for living in the intertidal zone. S. alterniflora originally grew on the Atlantic coast of the Americas and the Gulf of Mexico. It was introduced to my country in 1979 because of its significant role in promoting siltation, land formation and wave dissipation. Spartina alterniflora has strong adaptability and spread rapidly in my country's coastal provinces and regions, posing a threat to the indigenous species of wetlands on the local seashore. The first list of 16 invasive alien species. Spartina alterniflora is an invasive species, and its hazards are mainly: (1) destroying the habitat of offshore organisms and affecting tidal flat farming; (2) block...

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Application Information

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IPC IPC(8): G01C11/00G01B11/28
CPCG01C11/00G01B11/28
Inventor 万华伟王昌佐王桥杨一鹏
Owner SATELLITE ENVIRONMENT CENT MINIST OF ENVIRONMENTAL PROTECTION
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