Found 15 datasets matching filters.
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National Park Service Unit tract polygons
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: April 25, 2026 at 03:54 AM -
National Park Service Unit Centroid Points.
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: April 25, 2026 at 03:54 AM -
These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Bounds of the tracts and islands are photo interpreted from 1996 ortho...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: March 04, 2026 at 06:57 AM -
This feature layer contains points representing bivalve quest observations in Boston Harbor Islands National and State Park, Massachusetts, 2019. The data is current as of 2019 and is maintained...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: March 03, 2026 at 06:30 AM -
Salt marshes provide a range of ecosystem services, including storm protection, recreation, and commercial fishery habitat provision. The National Park Service (NPS) aims to preserve and protect...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:38 PM -
2024 Bivalve Quest Data. Includes bivalve species counts, substrate type, and location in the Boston Harbor Islands National & State Park in summer/fall 2024. Data collected by BOHA field team...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: March 03, 2026 at 06:33 AM -
This feature layer contains points representing bioblitz observations in Boston Harbor Islands National and State Park, Massachusetts, 2022. The data was connected during a UMASS BioBlitz in...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: March 03, 2026 at 06:39 AM -
The National Park Service (NPS) in response to the growing evidence and awareness of the effects of climate change on federal lands determined that monitoring wetland elevation change is a top...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 30, 2026 at 10:22 PM -
This feature layer contains points representing bivalve quest observations in Boston Harbor Islands National and State Park, Massachusetts, 2022. The data is current as of 2022 and is maintained...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: March 03, 2026 at 06:39 AM -
This layer was developed as part of the project "Assessing Inundation Risk from Sea Level Rise and Storm Surge for the Northeast Coastal National Parks" The Parks included in this study are Acadia...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: March 04, 2026 at 06:53 AM -
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: March 04, 2026 at 06:50 AM -
This feature layer contains points representing bivalve quest observations in Boston Harbor Islands National and State Park, Massachusetts, 2020. The data is current as of 2020 and is maintained...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: March 03, 2026 at 06:39 AM -
National Park Service unit boundaries.
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 27, 2026 at 07:49 PM -
These data were converted from the originally delivered Microsoft Access PLOTs database from the Vegetation Mapping Inventory Project of Boston Harbor Islands National Recreation Area. These...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 25, 2026 at 05:29 PM -
This feature layer contains points representing bivalve quest observations in Boston Harbor Islands National and State Park, Massachusetts, 2021. The data is current as of 2021 and is maintained...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: March 03, 2026 at 06:39 AM
