ebd_mall_acjv_impound_agol

This layer is part of a web map was developed by the Atlantic Coast Joint Venture (ACJV) to display existing spatial layers with mapped waterfowl impoundments in the ACJV geography (group layer “Impoundments 2015, 2018, DNREC 2025) and to incorporate partner input on locations of impoundments that are not yet mapped within this layer. To help identify impoundments, the map displays layers with eBird checklist data (v Nov 2025) from American Black Ducks (ABDU) and Mallards (MALL) that contained the word ”impoundment" in either the species comments or the locality name within the eBird data. The layer “Impoundments Polygons from Partners” is an editable layer that allows partners to digitize locations of impoundments and add basic information to the attributes field. The overarching goal is to develop a more complete spatial inventory of waterfowl impoundments throughout the ACJV to help inform conservation and restoration priorities.本图层隶属于大西洋海岸联合项目组（Atlantic Coast Joint Venture, ACJV）开发的网络地图。该地图旨在展示ACJV辖区内已完成矢量化的水禽蓄水区（waterfowl impoundments）空间图层，其分组图层为"Impoundments 2015, 2018, DNREC 2025"，同时纳入合作伙伴提供的、尚未被本图层覆盖的蓄水区点位信息。为辅助识别蓄水区，该地图加载了eBird观测清单数据（2025年11月版），筛选出涉及美洲黑鸭（American Black Ducks, ABDU）与绿头鸭（Mallards, MALL）、且在物种备注或观测地点名称中包含“蓄水区”一词的数据集图层。名为"Impoundments Polygons from Partners"的图层为可编辑图层，支持合作伙伴对蓄水区点位进行矢量化描边，并向属性字段（attributes field）中补充基础信息。本项目的总体目标是建立ACJV辖区内更为完整的水禽蓄水区空间清查名录，为保护区划与修复优先级的制定提供科学决策依据。