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目的探讨全球定位仪(GPS)在鄱阳湖区查螺中的应用效果。方法用GPS采集暖湖坪草洲钉螺调查的数据,绘制草洲轮廓图和螺情电子地图,并与传统查螺数据进行比较。结果利用航迹和航点测得草洲面积分别为80.03hm2和79.94 hm2,航迹绘制的草洲轮廓图比航点轮廓图更美观,传统方法统计的查螺面积比GPS测量的面积大。结论GPS应用于鄱阳湖地区现场查螺,可实时测量查螺面积和草洲面积,快速绘制螺情电子图,实现查螺数据的电子化、图像化管理,为血防主管部门提供更为准确的螺情信息。
Objective To explore the application effect of GPS in Chaoyang Lake in Poyang Lake. Methods The data collected from the investigation of snail snail in the temperate grassland of Wehuripur were collected by GPS, and the contour map of Caozhou and the electronic map of snail were drawn. The data were compared with the traditional snail snail data. Results The grass carp area measured by the flight path and the waypoint were 80.03hm2 and 79.94 hm2, respectively. The contour plot of the grass carp map plotted by the track was more aesthetically pleasing than that of the route point map. The area of the traditional method was larger than that measured by GPS. CONCLUSIONS GPS is used in the field investigation of Poyang Lake area. It can measure the snail area and grassland area in real time, quickly draw the spiral electronic map and realize the electronic and image management of snail data so as to provide more accurate Spiral information.