在不同的人类足迹的地区绘制无道路地区的地图
Monika T Hoffmann1,2, Katarzyna Ostapowicz3,4, Kamil Bartoń5
1Institute of Nature Conservation, Polish Academy of Sciences, 31-120, Krakow, Poland. monika.t.hoffmann@gmail.com.
Scientific reports
|February 27, 2024
概括
准确的道路测绘对于识别没有道路的地区至关重要,这些地区作为重要的功能生态系统. 不完整的道路数据大大低估了没有道路的地区,影响了保护工作.
科学领域:
- 生态生态学 生态生态学
- 保护生物学 保护生物学
- 地理信息系统 (GIS) 是指地理信息系统.
背景情况:
- 人类基础设施,特别是道路,破坏生态系统并影响生物多样性.
- 没有道路的地区被提议作为功能生态系统的代理,对于人类主导的景观的保护至关重要.
- 道路地图的不完整性阻碍了无道路地区的准确识别和评估.
研究的目的:
- 用自由可用的道路数据评估无路区识别的准确性.
- 为了比较不同的人类影响的地区的道路绘图完整性 (北极加拿大与中欧).
- 评估人类影响对路线图质量的影响.
主要方法:
- 随机选择的圆形图片被用于视觉检查道路绘图的完整性 (OpenStreetMap 2020).
- 用四个变量,包括人类足迹指数和道路密度,来评估人类对绘图质量的影响.
- 进行了手动验证,并在选定的无道路地区添加未绘制的道路.
主要成果:
- 在北极加拿大的仅有3%的地块上,道路完全绘制出来,而在中欧,这一比例为40%.
- 较低的人类足迹和道路密度与道路绘图中较大的不完整性相关.
- 在北极加拿大 (85%的面积) 确定的无路区域比中欧 (0.4%) 显著更大,但手动校正将这些区域分别减少了27%和28%.
结论:
- 自由可用的道路数据大大低估了没有道路的地区,特别是在人类影响较小的地区.
- 对于有效的保护规划和对无道路地区的研究,迫切需要改进道路绘图技术.
- 没有道路的地区,尽管数据有限,仍然是需要保护的功能生态系统的关键替代品.
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