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.

自然和人为干扰引起的景观变化极大地影响森林和湿地的丰富度和空间配置，进而影响物理过程(例如气候、水文)和动植物栖息地。这项研究的目标是开发遥感和地理空间方法，在不同的时空尺度上绘制和监测森林和湿地。*卡尔顿地理和景观生态实验室正在启动关于安大略省东部地区对景观干扰的生态响应滞后的研究。作为这项研究的一部分，提出了以下项目：利用存档的和当前的地理空间数据相结合，评估该区域过去50年的土地复盖变化；发展当地和区域湿地植被测绘能力；评估道路开发对栖息地的影响；以及制定改进生物多样性指标测绘和监测的手段，以帮助实现该区域的土地管理目标。结果将与我的合作者关于景观破碎化和干扰对物种种群动态的影响的研究联系起来。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制品管理的森林。在加蒂诺公园，将开发用于当地生物多样性测绘、森林结构和健康时间变化监测的方法，以及整合用于森林测绘的光学、激光雷达和雷达数据。在安大略省东部和魁北克南部的私人林地，将开发监测干扰和管理影响的方法。这两个项目将与两家渥太华地区的飞机和摄影公司合作，使用Cessna 172飞机和带有吊舱和相机支架的定制设计门。在北方森林砍伐中，在上一次赠款期间开发的自动再生评估方法将得到完善，并在与工业合作伙伴的试点研究中实施。