Maryland Archived Submerged Aquatic Vegetation - SAV 1997

The Chesapeake Bay SAV was mapped from 1:24,000 black and white aerial photography to assess water quality in the Bay. Each area of SAV was interpreted from the rectified photography and classified into one of four density classes by the percentage of cover. This is a MD iMAP hosted service. Find more information on https://imap.maryland.gov. Feature Service Link: https://mdgeodata.md.gov/archive/rest/services/Biota/MD_ArchivedSubmergedAquaticVegetation/FeatureServer/12切萨皮克湾沉水水生植被（Submerged Aquatic Vegetation, SAV）数据集基于1:24000比例尺的黑白航空摄影完成制图，以评估切萨皮克湾的水质状况。所有沉水水生植被斑块均通过正射校正后的航空摄影进行解译，并依据植被覆盖百分比划分为四个密度等级之一。本数据集为MD iMAP托管服务，更多信息可访问https://imap.maryland.gov。要素服务链接：https://mdgeodata.md.gov/archive/rest/services/Biota/MD_ArchivedSubmergedAquaticVegetation/FeatureServer/12