Level of Protection for Areas Designated Protected and Open Space - Ipswich Watershed - Idrisi Raster File.

This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This datalayer shows the level of protection for areas that are defined as Protected and Recreational Open Space by MassGIS (www.state.ma.us/mgis). This layer is derived from the Protected and Recreational Open Space layer provided by for each town. The values are from the Level of Protection (lev_prot) field in the data table. To show the what level of protection open space areas in the Ipswich watered are under.

本数据图层属于用于伊普斯威奇河流域（Ipswich River Watershed）研究的图层组之一。本数据图层展示了由马萨诸塞州地理信息系统（MassGIS，www.state.ma.us/mgis）界定为“受保护休闲开放空间”的区域的保护等级。该图层源自各城镇提供的“受保护休闲开放空间”数据图层，其属性值取自数据表中的“保护等级（lev_prot）”字段，用于呈现伊普斯威奇河流域内开放空间区域所受的保护等级。