海草光学遥感监测研究综述

doi:10.11978/2020110

Abstract

Abstract:

Seagrass growing in the waters of tropical, subtropical and temperate oceans is an important structural and functional component of the global marine ecosystem and has a high ecological service value. Seagrass is rapidly declining worldwide because of the strong impact of human activities and natural disasters. Therefore, it is a great significance to monitor and protect seagrass resources. With the development of sensor technology, optical remote sensing has shown obvious advantages in seagrass monitoring. In this paper, we review the research status of advanced seagrass remote sensing monitoring at home and abroad, mainly summarizing the research content, technology and methods, and demonstrating the feasibility of seagrass optical remote sensing monitoring. Our aim is to illustrate the suitable data and reliable technical methods for seagrass optical remote sensing monitoring in China, and to suggest potential research directions. This review provides reference for seagrass remote sensing monitoring and expands the thought of scientific management of seagrass resources in China.

Key words: seagrass, monitoring, optical remote sensing technology, marine benthic habitat, coastal zone

CLC Number:

Q948.8

LI Yiqiong, BAI Junwu, ZHANG Li, LI Tong. Review on the research of seagrass optical remote sensing monitoring[J].Journal of Tropical Oceanography, 2021, 40(6): 1-13.

Figures/Tables 6

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Tab. 1

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传感器名称	监测任务					数据适宜性
	海草底栖生境	海草覆盖度变化	海草生物量	海草群落结构		空间范围	制图精度	获取成本
	海草底栖生境	海草覆盖度变化	海草生物量	较粗划分	细致划分	空间范围	制图精度	获取成本
高分辨率IKONOS、Quickbird、Wordview-2等	可行		可行	可行		较小	较高	高昂
中低分辨率Landsat TM/ETM+/OLI、Sentinel-2等	可行	可行	可行			大	偏低	低廉
高光谱Hyperion等	可行			可行		较小	较高	高昂
低空无人机相机	可行		可行	可行	可行	小	高	中等

Review on the research of seagrass optical remote sensing monitoring

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