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Juniperus osteosperma Hot/Dry scenario change categories (2035)

Metadata Updated: June 15, 2024

Projected suitable habitat models were constructed in randomForest (R package, version 4.6-10) using a set of presence points for the species derived from element occurrence and herbarium records, together with temperature, precipitation, and soil variables. The current distribution used modeled historic period (1970-2000) climate variables from the appropriate matching GCM model run. These model parameters were then used with projected climate data to get future (2020-2050) modeled suitable habitat for each scenario. Modeled past suitable habitat and modeled future suitable habitat are combined to show areas of change, using various thresholds to distinguish change categories, as well as current mapped J. osteosperma habitats from LANDFIRE existing vegetation (version 1.3.0). Current JUOS habitat is represented as areas with probability greater than the all-scenario average model-reported threshold (sensitivity = specificity) AND currently mapped as JUOS. These probability threshold levels were also applied to projected future habitat (since we have no “future” mapping), with the final model was classified as: Value Habt Class Current 2035 1 Lost >= 0.90 = 0.90 >= 0.55 and = 0.90 >= 0.90 4 Emergent = 0.90 0 none of the above where: 0.90 is the average probability of occurrence value from the 3 scenarios, current timeframe, where JUOS is known to occur (using LANDFIRE vegetation). 0.55 is the average probability of occurrence value from the 3 scenarios, current timeframe, where the model specificity = the model sensitivity.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date June 1, 2023
Metadata Updated Date June 15, 2024

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date June 15, 2024
Publisher Climate Adaptation Science Centers
Identifier e01f8c8a-f3fc-4998-b68e-6d1841b37d1d
Data Last Modified 2018-11-29
Category geospatial
Public Access Level public
Bureau Code 010:00
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 3d58c640-5fc8-4bfb-8b7b-84b70aeffdc8
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -109.158326667,36.9166660023,-101.949993336,41.083332667
Source Datajson Identifier True
Source Hash 5ea523d9ef1f78b417dfd7b8e26dfcf9083838061c8cc620d73c0014a3fa0ef1
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -109.158326667, 36.9166660023, -109.158326667, 41.083332667, -101.949993336, 41.083332667, -101.949993336, 36.9166660023, -109.158326667, 36.9166660023}

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