Application of satellite image and gis to construct the current forest status map of the Cat Ba world biodiversity reserv
Keywords:
GIS,, landsat 8 image, Google Earth image,, forest status, Cat BaAbstract
Application of remote sensing technology (satellite image analysis) and geographic information systems (GIS) in forest resource assessment and management, especially in forest resource status mapping, is increasingly becoming more popular in Vietnam. This paper presented the results of using Landsat 8, Google Earth and field survey results to develop a map of the current forest resource status at the Cat Ba Archipelago Biosphere Reserve in 2020. Landsat 8 image analysis using automatic classification method with eCognition Developer software to separate different objects, then using high resolution Google Earth image to review, edit, and add existing status. The study determined that the total area of forests and other land types in the study area was 20,462.38 ha, of which the forested area was 9,821.16 ha; the area of land with regenerated trees was 4,661.2 ha; the area of bare land area was 3,546.16 ha; the area of agricultural land was Application of remote sensing technology (satellite image analysis) and geographic information systems (GIS) in forest resource assessment and management, especially in forest resource status mapping, is increasingly becoming more popular in Vietnam. This paper presented the results of using Landsat 8, Google Earth and field survey results to develop a map of the current forest resource status at the Cat Ba Archipelago Biosphere Reserve in 2020. Landsat 8 image analysis using automatic classification method with eCognition Developer software to separate different objects, then using high resolution Google Earth image to review, edit, and add existing status. The study determined that the total area of forests and other land types in the study area was 20,462.38 ha, of which the forested area was 9,821.16 ha; the area of land with regenerated trees was 4,661.2 ha; the area of bare land area was 3,546.16 ha; the area of agricultural land was
References
1. Thông tư số: 33/2018/TT-BNN&PTNT của Bộ Nông nghiệp và Phát triển nông thôn quy định về điều tra, kiểm kê và theo dõi diễn biến rừng.
2. Quyết định 689/QĐ-TCLN-KL của Tổng cục Lâm nghiệp về tài liệu hướng dẫn xây dựng, biên tập bản đồ điều tra, kiểm kê rừng.
3. Ủy ban nhân dân thành phố Hải Phòng, 2016. Quyết định về việc phê duyệt kết quả kiểm kê rừng thành phốHải Phòng.
4. Trần Quang Bảo, 2017. Ứng dụng GIS và viễn thám trong phân tích thực trạng và đánh giá diễn biến tài nguyên từng tại huyện Vĩnh Cửu, tỉnh Đồng Nai.
