National Fish Habitat Action Plan (NFHAP) 2010 HCI Scores and Human Disturbance Data (linked to NHDPLUSV1) for Indiana

This shapefile contains landscape factors representing human disturbances summarized to local and network catchments of river reaches for the state of Indiana. This dataset is the result of clipping the feature class 'NFHAP 2010 HCI Scores and Human Disturbance Data for the Conterminous United States linked to NHDPLUSV1.gdb' to the state boundary of Indiana. Landscape factors include land uses, population density, roads, dams, mines, and point-source pollution sites. The source datasets that were compiled and attributed to catchments were identified as being: (1) meaningful for assessing fish habitat; (2) consistent across the entire study area in the way that they were assembled; (3) representative of conditions in the past 10 years, and (4) of sufficient spatial resolution that they could be used to make valid comparisons among local catchment units. In this data set, these variables are linked to the catchments of the National Hydrography Dataset Plus Version 1 (NHDPlusV1) using the COMID identifier. They can also be linked to the reaches of the NHDPlusV1 using the COMID identifier. Catchment attributes are available for both local catchments (defined as the land area draining directly to a reach; attributes begin with "L_" prefix) and network catchments (defined by all upstream contributing catchments to the reach's outlet, including the reach's own local catchment; attributes begin with "N_" prefix). This shapefile also includes habitat condition scores created based on responsiveness of biological metrics to anthropogenic landscape disturbances throughout ecoregions. Separate scores were created by considering disturbances within local catchments, network catchments, and a cumulative score that accounted for the most limiting disturbance operating on a given biological metric in either local or network catchments. This assessment only scored reaches representing streams and rivers (see the process section for more details). Please use the following citation: Esselman, P., D.M. Infante, L. Wang, W. Taylor, W. Daniel, R. Tingley, J. Fenner, A. Cooper, D. Wieferich, D. Thornbrugh and J. Ross. (April 2011) National Fish Habitat Action Plan (NFHAP) 2010 HCI Scores and Human Disturbance Data (linked to NHDPLUSV1) for Indiana. National Fish Habitat Partnership Data System. http://dx.doi.org/doi:10.5066/F7HH6H2T本形状文件（shapefile）包含用于表征印第安纳州河段局地汇水区与网络汇水区内人类干扰的景观因子，相关因子已针对汇水区完成汇总统计。本数据集通过将要素类"NFHAP 2010年美国本土人类干扰数据及栖息地条件指数（Habitat Condition Index, HCI）得分数据集（关联NHDPLUSV1地理数据库（NHDPLUSV1.gdb））"裁剪至印第安纳州州界后得到。景观因子涵盖土地利用类型、人口密度、道路、水坝、矿山以及点源污染点位。经汇水区归因处理并汇编得到的源数据集满足以下判定标准：（1）可有效支撑鱼类栖息地评估；（2）在整个研究区内的汇编流程保持统一；（3）可反映近10年的环境现状；（4）空间分辨率足以支持局地汇水区单元间的有效对比。本数据集内，所有变量通过COMID标识符关联至国家水文数据集增强版第1版（National Hydrography Dataset Plus Version 1, NHDPlusV1）的汇水区，同时也可通过COMID标识符关联至NHDPlusV1的河段。汇水区属性包含两类：局地汇水区（指直接向河段汇水的陆地区域，属性字段以"L_"为前缀）与网络汇水区（指所有上游汇至该河段出口的汇水区，包含河段自身的局地汇水区，属性字段以"N_"为前缀）。本形状文件同时包含基于生物指标对全生态区人为景观干扰的响应性所构建的栖息地条件得分。研究分别基于局地汇水区、网络汇水区内的干扰因子构建了专属得分，并额外生成了累积得分：该得分可反映对任一生物指标起主要限制作用的局地或网络汇水区干扰因子。本次评估仅针对溪流与河流河段开展评分（详细流程参见方法章节）。请引用以下文献：Esselman P, Infante D M, Wang L, Taylor W, Daniel W, Tingley R, Fenner J, Cooper A, Wieferich D, Thornbrugh D, Ross J.（2011年4月）印第安纳州关联NHDPLUSV1地理数据库的NFHAP 2010年HCI得分及人类干扰数据. 国家鱼类栖息地伙伴关系数据系统. http://dx.doi.org/doi:10.5066/F7HH6H2T