一种使用远程传感数据估计保护评估当前范围的社区方法
Bethany A Johnson1,2, Gonzalo E Pinilla-Buitrago1,3, Robert P Anderson1,3,4
1Department of Biology, City College of New York City University of New York New York New York USA.
Ecology and evolution
|June 30, 2025
概括
一种新的"邻居"方法通过考虑地理坐标不确定性来改进物种分布模型. 这种方法通过更好地反映息地丧失,特别是对于位置不确定的物种,从而改善了保护评估.
科学领域:
- 生态生态学 生态生态学
- 保护生物学 保护生物学
- 生物地理学 生物地理学 生物地理学
背景情况:
- 物种分布模型 (SDM) 预测了环境适应性,但面临着地理坐标不确定性的挑战.
- 遥感息地数据通常具有比与物种发生记录相关的不确定性更好的分辨率.
- 由于这些限制,现有的方法可能会错误地估计物种范围和保护状况.
研究的目的:
- 引入一种新的方法方法,处理息地数据以考虑地理坐标不确定性.
- 通过纳入一个保护评估的范围估计来完善范围估计.
- 邻里社区 邻里社区
- 对息地数据的概念.
- 为了评估这种方法对森林息物种Handleyomys chapmani*威胁分类的影响.
主要方法:
- 开发了一种"邻居"方法来处理息地数据,在描述周围地区的同时保持良好的分辨率.
- 通过比较确切的像素值与发生记录的邻近值与森林覆盖数据来确定森林砍伐容忍值.
- 从气候适应性预测中删除了低于值的区域,以确定推断的息地丧失.
- 使用传统方法和精细方法计算发生范围 (EOO) 和占用区域 (AOO).
主要成果:
- 邻居方法确定了推断的息地损失,而不是通过精确的像素提取来捕获.
- 计算的EOO和AOO值建议将Handleyomys chapmani从受威胁的类别中删除.
- 突出了息地丧失的空间模式,这些模式并未反映在传统的EOO和AOO指标中,特别是在使用粗网格对AOO时.
结论:
- 邻居方法增强了生物地理和保护的息地精细分布图的实用性.
- 对于具有高坐标不确定性的物种,在空间自相关性较低的区域中尤其有用.
- 该研究说明了EOO和AOO指标的局限性,以及在保护评估中考虑空间不确定性的重要性.
相关概念视频
Levels of Use of a GIS
109
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
109
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
172
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
172
Design Example: Measuring Distance Between Two Points with Obstructions
132
When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
132
Selected Data About Geographic Locations
71
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
71
Methods of Obtaining Topography
126
Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
126
Manipulation and Analysis
61
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
61


