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Description: New Hampshire's rivers and streams comprise one of its most important natural resources, historically vital to New Hampshire's commerce, industry, tourism, and the quality of life of New Hampshire people. It is the policy of the state to ensure the continued viability of New Hampshire rivers as valued economic and social assets for the benefit of present and future generations. The state shall encourage and assist in the development of river corridor management plans and regulate the quantity and quality of instream flow along certain protected rivers or segments of rivers to conserve and protect outstanding characteristics including recreational, fisheries, wildlife, environmental, cultural, historical, archaeological, scientific, ecological, aesthetic, community significance, agricultural, and public water supply so that these valued characteristics shall endure as part of the river uses to be enjoyed by New Hampshire people (RSA 483:1).
Description: This is derived from a 30 meter grid that maps upland and wetland wildlife habitats/ecological systems for the Northeast, including all 13 states from Maine to Virginia. Habitat types are drawn from the Northeastern Terrestrial Habitat Classification System (NETHCS), based on NatureServe’s Ecological Systems Classification, augmented with additional information from individual state wildlife classifications and other information specific to wildlife managers. A terrestrial ecological system is defined as a mosaic of plant community types that tend to co-occur within landscapes with similar ecological processes, substrates, and/or environmental gradients, in a pattern that repeats itself across landscapes. Systems occur at various scales, from "matrix" forested systems of thousands of hectares to small patch systems. NH Natural Heritage Bureau provided a crosswalk with NH Wildlife Action Plan habitat classes.
Copyright Text: The Nature Conservancy, Eastern Division Conservation Science, 2014. Revised by NH Fish and Game Department, 2015.
Description: Over the last 25+ years, a concerted effort has helped protect large blocks of wildlife habitat across the seacoast region. However, a rapidly developing landscape and expanding road network is increasingly fragmenting these habitat blocks from one another. This fragmentation threatens the ability for native wildlife to move among areas of suitable and required habitats, which is vital to their survival. Connect THE Coast used spatial models to identify connecting lands for wildlife across the 10-mile buffered portion of the Piscataqua-Salmon Falls watershed that drains through New Hampshire. As a result, identified wildlife corridors (i.e. connecting lands and waters with suitable and intact dispersal habitat) encompass just ten percent of the project area. However, only 13 percent of these wildlife corridors are protected. Nineteen percent of the project area is prioritized as unfragmented habitat for wildlife, that is, the large unfragmented blocks of natural habitat that the corridors run between. Nearly half of these core habitats are conserved. Connect THE Coast priorities provide the necessary information for stakeholders, whether land trusts, town planning and conservation boards, state regulators, road managers, project funders, or landowners, to identify the places to protect that will maintain opportunities for wildlife to move across the landscape, both now and into the future. While meaningful protection has begun, more focused and deliberate protection is required to secure a connected network of lands for sustainable wildlife populations.
Copyright Text: Steckler, P and Brickner-Wood, D. 2019. Connect The Coast final report. The Nature Conservancy and the Great Bay Resource Protection Partnership. Concord, NH.
Description: Over the last 25+ years, a concerted effort has helped protect large blocks of wildlife habitat across the seacoast region. However, a rapidly developing landscape and expanding road network is increasingly fragmenting these habitat blocks from one another. This fragmentation threatens the ability for native wildlife to move among areas of suitable and required habitats, which is vital to their survival. Connect THE Coast used spatial models to identify connecting lands for wildlife across the 10-mile buffered portion of the Piscataqua-Salmon Falls watershed that drains through New Hampshire. As a result, identified wildlife corridors (i.e. connecting lands and waters with suitable and intact dispersal habitat) encompass just ten percent of the project area. However, only 13 percent of these wildlife corridors are protected. Nineteen percent of the project area is prioritized as unfragmented habitat for wildlife, that is, the large unfragmented blocks of natural habitat that the corridors run between. Nearly half of these core habitats are conserved. Connect THE Coast priorities provide the necessary information for stakeholders, whether land trusts, town planning and conservation boards, state regulators, road managers, project funders, or landowners, to identify the places to protect that will maintain opportunities for wildlife to move across the landscape, both now and into the future. While meaningful protection has begun, more focused and deliberate protection is required to secure a connected network of lands for sustainable wildlife populations.
Copyright Text: Steckler, P and Brickner-Wood, D. 2019. Connect The Coast final report. The Nature Conservancy and the Great Bay Resource Protection Partnership. Concord, NH.
Description: This is a county-wide impervious cover data set covering Strafford County, New Hampshire and was derived using semi-automated image classification methods based on 1-foot resolution orthophotography acquired in the spring of 2010 and fall of 2011. The image processing phase of the project involved Object Based Image Analysis (OBIA) using eCognition software. A second phase followed in order to cleanup obvious classification errors and to include addition impervious cover masked by overhanging foliage, where present. The data set has two classes, pervious and impervious. The impervious cover are human-made surfaces that do not allow water to permeate through them. Naturally occurring impervious cover such exposed bedrock, etc. were not included in the impervious class.
Description: Public water supply focus areas, in addition to focus areas for flood storage and risk mitigation and pollutant attenuation and removal, and a combination of the three, are the result of the project titled "Land Conservation Priorities for the Protection of Coastal Water Resources: A Supplement to The Land Conservation Plan for New Hampshire's Coastal Watersheds", which had a goal of identifying land conservation focus areas for the purpose of protecting coastal water resources. A tiered prioritization was developed for public water supply focus areas. Tier 1 areas prioritize co-occurring surface and groundwater public water supply resources. Tier 2 areas prioritize either surface or groundwater public water supply resource areas. Data layer users are encouraged to coordinate with the NHDES DWGB when further prioritizing or protecting land specifically for the protection of public water supply. Currently this analysis is limited to the extent of data available through the NHDES DWGB. Maine areas are not included except where NHDES DWGB data extends beyond New Hampshire.A comprehensive description of the public water supply delineation process is available in the project's technical report.
Copyright Text: This project was funded, in part, by NOAA's Office for Coastal Management under the Coastal Zone Management Act in conjunction with the NH Department of Environmental Services Coastal Program.
Description: This data layer represents priority agricultural resources for the 2021 New Hampshire Coastal Conservation Plan update, based on an analysis of the 2020 Farms Under Threat study that identified productive, versatile, and resilient agricultural soils.
Copyright Text: The Nature Conservancy, New Hampshire
Description: This dataset is the result of a multi-year effort led by the NHDES Coastal Program to compile and categorize coastal habitat restoation projects in the state of New Hampshire over the period from 1990 to present day. Generally, all of the coastal restoration projects within this dataset share the following qualities: 1) Located in the New Hampshire Coastal Zone communities; 2) Pro-actively restored jurisdictional coastal habitat; and 3) Received a dredge and fill permit from the NHDES Wetlands Bureau. Project types include oyster, eelgrass, living shoreline, salt marsh, dune, and river restoration.