Remote sensing of vegetation structure, composition and health

植被结构、组成和健康遥感

• 批准号: 130596-2006
• 负责人: King, Douglas
• 金额: $ 1.76万
• 依托单位: Carleton University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2008
• 资助国家: 加拿大
• 起止时间: 2008-01-01 至 2009-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=391366
• 关键词: Remote; sensing; vegetation; structure; composition

Landscape change from natural and anthropogenic disturbance greatly affects the abundance and spatial configuration of forests and wetlands, which in turn impact physical processes (e.g. climate, hydrology) and habitat for flora and fauna.  The goal of this research is to develop remote sensing and geo-spatial methods for mapping and monitoring forests and wetlands at a variety of spatial and temporal scales.  Research on ecological response lags to landscape disturbance in Eastern Ontario is being initiated within the Carleton Geomatics and Landscape Ecology Laboratory.  As part of this, the following projects are proposed: Evaluate land cover change over the region in the past 50 years using a combination of archived and current geo-spatial data; Develop capabilities for local and regional wetland vegetation mapping; Evaluate the impact of road development on habitat; and Develop means to improve mapping and monitoring of biodiversity indicators to aid land management objectives in the region.  Each of these will include high to moderate resolution imagery acquired with airborne or satellite sensors. Results will be linked to the research of my collaborators on impacts of landscape fragmentation and disturbance on species population dynamics. Research in forest management will be conducted in two settings: the protected Gatineau Park and forests managed for wood products. In the Gatineau Park, methods will be developed for local biodiversity mapping, forest structure and health temporal change monitoring, and integration of optical, lidar and radar data for forest mapping.  In private woodlots in eastern Ontario and southern Quebec, methods for monitoring disturbance and management impacts will be developed. These two projects will be in collaboration with two Ottawa area aircraft and photo companies using Cessna 172 aircraft and a custom designed door with pod and camera mount.  In boreal forest cutovers, automated regeneration assessment methods developed in the last grant period will be refined and implemented in pilot studies with industrial partners.

自然和人为干扰造成的景观变化极大地影响了森林和湿地的丰度和空间结构，进而影响物理过程（例如气候，水文学）和植物群和动物群的栖息地。这项研究的目标是发展遥感和地理-在各种空间和时间尺度上测绘和监测森林和湿地的空间方法。卡尔顿地理信息学和景观生态学实验室正在着手研究安大略东部的土地扰动问题，作为其中的一部分，提出了以下项目：综合利用存档的和现有的地理空间数据，评价该地区过去50年来的土地覆盖变化;发展绘制当地和区域湿地植被图的能力;评价道路开发对生境的影响;并开发各种手段，改进生物多样性指标的绘图和监测，以帮助实现该区域的土地管理目标，其中每一项都将包括用机载或卫星传感器获取的高至中分辨率图像。研究结果将与我的合作者对景观破碎化和干扰对物种种群动态的影响的研究相联系。森林管理研究将在两个环境中进行：受保护的加蒂诺公园和为木材产品而管理的森林。在加蒂诺公园，将制定当地生物多样性绘图、森林结构和健康时间变化监测以及光学、激光雷达和雷达数据综合用于森林绘图的方法，在安大略东部和魁北克南部的私人林地，将制定监测干扰和管理影响的方法。这两个项目将与两个渥太华地区的飞机和照片公司合作，使用塞斯纳172飞机和一个定制设计的门与吊舱和相机安装。在北方森林采伐，自动再生评估方法在上一个赠款期间开发的将被完善，并在试点研究与工业伙伴实施。