Monitoring method of alien species in estuary wetland

A technology for wetlands and monitoring areas, applied in the field of ecological environment assessment, can solve problems such as geometric distortion and irregular radiation, complex processing, and low spectral resolution of UAV images, so as to reduce time and workload, optimize accuracy, and cover wide range of effects

Active Publication Date: 2020-07-31
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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Problems solved by technology

However, in terms of plant monitoring, relying solely on images acquired by drones for classification faces the disadvantages of low spectral resolution of drone images and the need for complex processing due to geometric distortion and irregular radiation.

Method used

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  • Monitoring method of alien species in estuary wetland

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Embodiment Construction

[0040] According to the attached figure 1 , give a preferred embodiment of the present invention, and give a detailed description, so that the functions and characteristics of the present invention can be better understood.

[0041] see figure 1 , a method for monitoring alien species in estuary wetlands according to an embodiment of the present invention, comprising the steps of:

[0042] S1: Select a UAV platform and a satellite remote sensing film source according to monitoring requirements.

[0043]In this embodiment, the Phantom 3 unmanned aerial vehicle of DJI Corporation (DJI Corporation) is selected. This is a small, battery-powered, relatively cheap unmanned aerial vehicle equipped with a high-definition camera. It can automatically set route planning, Shooting angle, altitude, shooting interval and flight speed; the acquired photos are integrated with built-in GPS geographic information, which can be matched with satellite data without difference.

[0044] Satelli...

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Abstract

The invention provides a monitoring method for estuarine wetland exotic species. The monitoring method comprises the following steps: S1, selecting an unmanned aerial vehicle and a satellite remote sensing film source according to a monitoring requirement; S2, setting a route of the unmanned aerial vehicle in a target monitoring area and setting corresponding flight parameters of the unmanned aerial vehicle; S3, setting an unmanned aerial vehicle data acquisition task; S4, executing the unmanned aerial vehicle data acquisition task to acquire unmanned aerial vehicle data; S5, matching geographic information of the unmanned aerial vehicle data and satellite data to acquire a pre-processed satellite picture; S6, extracting patch characteristic information in the pre-processed satellite picture; S7, screening to acquire optimal separable characteristic index according to the patch characteristic information; S8, classifying the satellite data according to the optimal separable characteristic index, and performing precision evaluation on a result. The invention provides the monitoring method for the estuarine wetland exotic species, which classifies vegetation of the exotic species byutilizing remote sensing software and geographic information system software, and has the advantages of high timeliness, high resolution, high accuracy, strong objectivity and low cost.

Description

technical field [0001] The invention relates to the field of ecological environment assessment, in particular to a method for monitoring alien species in estuary wetlands. Background technique [0002] Studying and monitoring the spatial characteristics and changes of vegetation in coastal / estuary wetlands is a major tool for grasping the ecological environment characteristics of wetlands, and can provide valuable information for the protection of wetland ecosystem organisms, the evaluation of benthic environmental quality, and the ecological restoration of damaged habitats. Scientific basis and management recommendations. With the deepening of the globalization process, biological invasion has caused a sharp loss of biodiversity in coastal / estuarine wetland ecosystems, and monitoring and management of the distribution of non-native plants requires urgent attention. However, it is far from being able to study the spatial distribution of invasive plants at the landscape scal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/17
CPCG01N21/17G01N2021/1797
Inventor 张婷婷赵峰王思凯高宇冯广朋张涛庄平
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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