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相关概念视频

Distance Measurements by Taping01:18

Distance Measurements by Taping

29
Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
29
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

50
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
50
Introduction to Surveying, Plane Surveying and Geodetic Surveys01:27

Introduction to Surveying, Plane Surveying and Geodetic Surveys

61
Surveying is the art and science of mapping the earth's surface. It involves measuring distances, angles in horizontal or vertical directions, and levels to understand the shape and size of land features. Surveying techniques are essential for various tasks, such as identifying the levels of a land area with reference to a specific point, and mapping undulations and water bodies.There are two main types of surveying: plane surveys and geodetic surveys. Plane surveys assume the earth is flat,...
61
Selected Data About Geographic Locations01:25

Selected Data About Geographic Locations

26
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...
26
GIS Software, Hardware, and Sources of GIS Data01:23

GIS Software, Hardware, and Sources of GIS Data

46
A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
46
Topographic Surveying and Contours01:29

Topographic Surveying and Contours

51
Topographic surveying is critical for documenting the Earth's surface, focusing on capturing elevations, slopes, and natural and man-made features. It is essential in construction planning, water resource management, and land-use analysis. The primary outcome of such surveys is a topographic map, which uses contour lines to visually represent the shape and slope of the terrain, providing valuable insights into the landscape's characteristics.Contour lines are fundamental to understanding the...
51

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相关实验视频

Updated: Jun 9, 2025

Using Pharmacological Manipulation and High-precision Radio Telemetry to Study the Spatial Cognition in Free-ranging Animals
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对遥测和空间调查数据的联合推断.

Paul G Blackwell1, Jason Matthiopoulos2,3

  • 1School of Mathematics and Statistics, University of Sheffield, Sheffield, UK.

Ecology
|October 30, 2024
PubMed
概括
此摘要是机器生成的。

整合动物遥测和空间调查数据可以改善生态模型. 对移动和分布数据的联合分析为了解物种息地联系提供了更高的精度和准确性.

关键词:
朗格维因扩散的情况马尔科夫连锁蒙特卡罗的蒙特卡罗是一个数据收集工作的努力.运动模型 运动模型资源选择函数是指资源选择函数.步骤选择函数的功能.穿越的部分是穿越的部分.

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相关实验视频

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科学领域:

  • 空间生态学 空间生态学
  • 生态建模 生态建模
  • 野生动物远程测量

背景情况:

  • 数据整合对于空间生态学至关重要,但由于不同的分析需求,将遥测和调查数据结合起来具有挑战性.
  • 遥测的步骤选择函数 (SSF) 和调查的息地选择函数 (HSF) 有着不同的规格和结果.
  • 需要采用统一的方法来利用这两种数据类型的优势,以便进行可靠的生态推理.

研究的目的:

  • 开发一种新的联合概率函数,用于整合遥测和空间调查数据.
  • 通过将动物流动与人口分布联系起来,建立SSF和HSF之间的关系.
  • 提供指导方针,以便在生态研究中在遥测和调查方法之间进行最佳的努力分配.

主要方法:

  • 开发了一个联合的统计框架,将微观动物运动 (SSFs) 与宏观分布 (HSFs) 联系起来.
  • 使用最大概率估计实现了综合分析.
  • 进行了系统的模拟研究,以评估估计精度和探索努力分配策略.

主要成果:

  • 与单独使用任何数据类型相比,对遥测和调查数据的联合分析显著提高了推断精度和准确性.
  • 数据集之间的空间覆盖和分辨率的互补性产生了巨大的好处.
  • 最佳的努力分配取决于总努力和环境异质性,但综合分析通常是可取的.

结论:

  • 整合遥测和空间调查数据在统计上强大,在计算上高效,并且使用传统方法是可行的.
  • 联合分析克服了以前的局限性,提供了对物种分布和息地联系的更全面的了解.
  • 开发的方法论为推进空间生态研究提供了一个强大的框架.