关键词: 烤烟, 烤烟, 体视显微观察, 花芽分化

Abstract:

In order to understand the dynamic changes in the state of the Daqing wetland, the author based on the platform of the remote sensing technology (RS) and the geographic information systems (GIS), took the SPOT 5 image in 2007 and the Landsat TM remote sensing image as a basic data source, combined the data in 1986 and 2001, analyzed the time space evolution process and dynamic analysis of landscape of the Daqing wetland area nearly 20 years. The results showed the Daqing wetland had serious problems, shrinking, landscape fragmentation intensifies, more serious pollution, so the protection and reasonable development and utilization of wetland resources in Daqing was one of the important tasks of sustainable development strategy. According to the situation, the author put forward feasible countermeasures from 4 aspects: the establishment of a stable ecosystem, the protection of ecological water using, the implementation of wetland restoration project and the increasing of the law enforcement, and presented a scientific basis to protect the Daqing wetland resources and enhanced the wetland function.