GSTDTAP  > 气候变化
Remote Sensing Techniques Help Treat and Manage Hollow Forests
admin
2021
发布年2021
语种英语
国家美国
领域气候变化
正文(英文)

Using advanced remote sensing techniques can help the early detection of oak tree decline and control many other forest diseases worldwide, says new research from Swansea University.

The research published in Remote Sensing of Environment examined holm oak decline, which in its early stages causes changes to the tree's physiological condition that is not readily visible. It is only later, when the tree is more advanced in its decline, that outward changes to its leaf pigment and canopy structure become apparent.

The researchers used an integrated approach of hyperspectral and thermal imaging, a 3-D radiative transfer model and field surveys of more than 1100 trees with varying severity of disease, which enabled them to successfully predict of holm oak decline at an early stage.

The research, which was in collaboration with the University of Cordoba, the Spanish National Research Council and the University of Melbourne, concluded that this integrated approach is vital to the large-scale monitoring of forest decline.

Lead author of the research, Alberto Hornero of the Department of Geography said: "It is essential to monitor trees for harmful forest diseases before the symptoms become visible. When the trees start to dry out or lose their leaves, it is simply too late to start treating and managing these hollow forests. Our research has shown that having a range of tools like advanced airborne imagery and satellite data observations will help us understand and monitor the physiological state of our oak trees and could potentially apply to many other forest diseases worldwide."


Story Source:

Materials provided by Swansea University. Note: Content may be edited for style and length.


Journal Reference:

  1. A. Hornero, P.J. Zarco-Tejada, J.L. Quero, P.R.J. North, F.J. Ruiz-Gómez, R. Sánchez-Cuesta, R. Hernandez-Clemente. Modelling hyperspectral- and thermal-based plant traits for the early detection of Phytophthora-induced symptoms in oak decline. Remote Sensing of Environment, 2021; 263: 112570 DOI: 10.1016/j.rse.2021.112570

Cite This Page:

Swansea University. "Remote sensing techniques help treat and manage hollow forests: Oak tree decline detected by advanced remote sensing techniques." ScienceDaily. ScienceDaily, 19 July 2021. .
Swansea University. (2021, July 19). Remote sensing techniques help treat and manage hollow forests: Oak tree decline detected by advanced remote sensing techniques. ScienceDaily. Retrieved July 19, 2021 from www.sciencedaily.com/releases/2021/07/210719110551.htm
Swansea University. "Remote sensing techniques help treat and manage hollow forests: Oak tree decline detected by advanced remote sensing techniques." ScienceDaily. www.sciencedaily.com/releases/2021/07/210719110551.htm (accessed July 19, 2021).

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来源平台Science Daily
文献类型新闻
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/331936
专题气候变化
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