Aquatic Reptile Irreplaceability - ACE [ds2755]

<div style='text-align:Left;'><div><div><p style='margin:0 0 7 0;'><span><span>For more information, see the Aquatic Rarity-weighted Richness Factsheet at </span><a href='https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=150854' style='text-decoration:underline;' rel='nofollow ugc'><span>https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=150854</span></a><span>. </span></span></p><p style='margin:0 0 7 0;'><span>The aquatic irreplaceability summary depicts the areas of highest irreplaceability across the state. To achieve this, the data was normalized by taxonomic group (see Data Sources and Models Used, below). The aquatic irreplaceability by taxonomic group layers give a statewide overview of irreplaceability for each individual taxonomic group, showing irreplaceability weights (RWI values) for aquatic amphibians, fish, and aquatic reptiles, and counts of rare endemic aquatic amphibians and reptiles per watershed. </span></p><p style='margin:0 0 7 0;'><span><span>The California Department of Fish and Wildlife’s (CDFW) Areas of Conservation Emphasis (ACE) is a compilation and analysis of the best-available statewide spatial information in California on biodiversity, rarity and endemism, harvested species, significant habitats, connectivity and wildlife movement, climate vulnerability, climate refugia, and other relevant data (e.g., other conservation priorities such as those identified in the State Wildlife Action Plan (SWAP), stressors, land ownership). ACE addresses both terrestrial and aquatic data. The ACE model combines and analyzes terrestrial information in a 2.5 square mile hexagon grid and aquatic information at the HUC12 watershed level across the state to produce a series of maps for use in non-regulatory evaluation of conservation priorities in California. The model addresses as many of CDFWs statewide conservation and recreational mandates as feasible using high quality data sources. High value areas statewide and in each USDA Ecoregion were identified. The ACE maps and data can be viewed in the ACE online map viewer, or downloaded for use in ArcGIS. For more detailed information see </span></span><a href='https://www.wildlife.ca.gov/Data/Analysis/ACE' style='text-decoration:underline;' rel='nofollow ugc'><span><span>https://www.wildlife.ca.gov/Data/Analysis/ACE</span></span></a><span> and </span><a href='https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=24326' style='text-decoration:underline;' rel='nofollow ugc'><span><span>https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=24326</span></span></a><span>. </span></p></div></div></div>

如需了解更多信息，请查阅《水生稀有度加权丰度概况文件》（Aquatic Rarity-weighted Richness Factsheet），链接为：https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=150854。

水生不可替代性摘要展示了全州范围内不可替代性最高的区域。为实现这一目标，研究人员按分类群（taxonomic group）对数据进行了归一化处理（详见下文“数据来源与所用模型”部分）。按分类群划分的水生不可替代性图层，可呈现各单个分类群的全州不可替代性概况，展示水生两栖类、鱼类及水生爬行类的不可替代性权重（RWI值），以及各流域内稀有特有水生两栖类与爬行类的种群数量。

加州鱼类与野生动物局（California Department of Fish and Wildlife, CDFW）的保护重点区域（Areas of Conservation Emphasis, ACE）是对加州现有最优全州空间信息的整合与分析，涵盖生物多样性、稀有性与特有性、可收获物种、重要栖息地、连通性与野生动物迁徙、气候脆弱性、气候避难所，以及其他相关数据（例如《州野生动物行动计划》（State Wildlife Action Plan, SWAP）中确定的其他保护优先级、压力源、土地所有权等）。ACE覆盖陆地与水生两类数据。ACE模型将全州范围内2.5平方英里六边形网格内的陆地信息，与HUC12流域尺度的水生信息进行整合分析，生成一系列地图，用于加州保护优先级的非监管评估。该模型依托高质量数据源，尽可能覆盖CDFW的全州保护与休闲管理目标。研究人员已识别出全州及各美国农业部生态区（USDA Ecoregion）内的高价值区域。ACE地图与数据可通过ACE在线地图查看器浏览，或下载后用于ArcGIS软件。如需更详细信息，请访问：https://www.wildlife.ca.gov/Data/Analysis/ACE 与 https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=24326。