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Development Threat Analysis

Chesapeake Bay Resource Lands Assessment

2008
The Resource Lands Assessment (RLA) provides a regional multi-state look at the most important remaining resource lands in the Chesapeake Bay watershed. The RLA uses Geographic Information Systems (GIS) models and expert knowledge to assess the value of resource lands within the watershed.
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Apr 14, 2017
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Chesapeake Bay Vulnerability Model

2008
Map of development pressure in the Chesapeake Bay watershed.
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Apr 14, 2017
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Development Threat Analysis

2017
Authors: Nate Lotze and Andrew M. Loza
Organizations/Sources: Pennsylvania Land Trust Association
A development threat analysis identifies undeveloped lands that are most likely to be developed within a specific time frame. Information is presented in map form.
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Jun 28, 2017
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Schuylkill Priority Lands Strategy Development Threat Assessment

2008
The Schuylkill Watershed Priority Lands Strategy is a model that recognizes the land-water connection and identifies the highest priority lands to protect. GIS modeling was used to identify areas within the Schuylkill Watershed that are the most important to preserve for both ecological and drinking water source protection, further defined by development threat over the next 20 years. This website is designed to make the data, methodology, results and maps of the Schuylkill Watershed Priority Lands Strategy easily accessible to open space planners, land trust staff, municipal officials, funders and others for use in making strategic open space protection decisions.
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Apr 14, 2017
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Threat Assessment for Smart Conservation

2003
The Development Threat Assessment for SmartConservation, which analyzed the 5-county area surrounding Philadelphia, was compiled by the Delaware Valley Regional Planning Commission for the Natural Lands between 2002 and 2003. The data used was already partially or completely available, allowing the completion of an analysis that would have otherwise been too costly and time-consuming. Five subcomponents of data were used: trend friction map, employment center travel time analysis, building activity, vulnerability index & sewer service areas.
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Jun 27, 2017
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Virginia Development Vulnerability Model

2014
This web page gives an overview of the Virginia Development Vulnerability Model, which was developed in an effort to map predicted growth in Virginia. This model can be integrated with other datasets, such as the VCLNA Cultural Model or Ecological Model, to identify which cultural and ecological cores are most at risk to growth pressures. The model may be used to help guide local land use planners in the development of their comprehensive plans in an effort to control growth and subsequent development within their jurisdiction. It allows users to look at the landscape as a whole and assess how growth may impact the environment, what remaining farmland or timberland is available and how water quality will be affected before more development is introduced.
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Apr 14, 2017
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