Yosemite National Park Trailheads and Boundaries

Overview This feature service provides detailed geographic data pertinent to Yosemite National Park, focusing on two primary datasets: trailheads and park boundaries. The data supports park management, visitor access planning, and geographic referencing within the park's extents. Feature Layers Trailheads: This layer presents locations of trailheads within Yosemite National Park, including identifiers used for each trailhead, and backcountry user quota levels which regulate the number of visitors allowed through each access point. The data was last updated in 2008 and facilitates management of visitor access and preservation of natural areas. Yosemite Boundary: This polygon layer outlines the official National Park Service boundaries of Yosemite National Park. It includes various attributes about the park's administrative units and related metadata, assisting with park demarcation and land management. Geographic Coverage The data covers Yosemite National Park, a prominent natural area in California, USA, providing spatial context for park infrastructure and administrative limits. Use Cases Visitor management and planning by park authorities Environmental and natural resource management GIS analysis supporting conservation efforts Public information and recreational planning

## 数据集概述
本要素服务提供与优胜美地国家公园（Yosemite National Park）相关的详细地理数据，核心涵盖两类主要数据集：步道起点（trailheads）与公园边界。本数据可用于公园管理、游客通行规划以及公园辖区内的地理参考工作。

## 要素图层
1. **步道起点（trailheads）图层**：该图层展示优胜美地国家公园内各步道起点的空间位置，包含各步道起点的唯一标识，以及管控各入口允许游客数量的野外用户配额等级。本数据最后更新于2008年，可助力游客通行管理与自然区域保护工作。
2. **优胜美地边界图层**：该面状要素图层划定了美国国家公园管理局官方的优胜美地国家公园边界范围，包含公园行政单元的各类属性信息与相关元数据，可辅助公园地界划定与土地管理工作。

## 地理覆盖范围
本数据覆盖美国加利福尼亚州的知名自然保护区——优胜美地国家公园，可为公园基础设施与行政边界提供空间参考依据。

## 应用场景
- 公园管理方开展游客管理与规划工作
- 环境与自然资源管理
- 支持保护工作的地理信息系统（GIS）分析
- 公共信息发布与休闲旅游规划