Layers:

Layer: Vegetation _ San Clemente Island _ ds2962 (0)


Name: Vegetation _ San Clemente Island _ ds2962

Display Field: MCVName

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description:

The first of two objectives for the study was to develop and test efficient and effective methods for semi-automated vegetation mapping of the recovering plant communities on SCI, specifically using hierarchical object-based classification with a rule-based expert system, ultra-high spatial resolution (UHSR) multispectral imagery, and lidar-derived digital canopy height data.A secondobjective was to map the distribution and quantify the cover of vegetation alliances over the entirety of SCI.

The final vegetation map portrays the distribution of 19 vegetation communities across SCI, with the largest areas comprised of California Annual and Perennial Grassland (35 percent) and three types of coastal sage scrub and maritime succulent scrub, comprising a combined 53 percent of the area. Map accuracy was assessed to be 79 percent based on fuzzy methods and 61 percent with a traditional accuracy assessment. The accuracy of tree identification was assessed to be 81 percent, but species-level tree accuracy was 45 percent.



Copyright Text: This map was created by Kellie A. Uyeda, Kelsey K. Warkentin and Rachel A. Snavely. This project was funded under agreement (Cooperative Agreement Award No: W9126G-15-2-0034) by the U.S. Army Corps of Engineers. It was prepared for publication in BIOS by the California Department of Fish and Wildlife’s (CDFW) Vegetation Classification and Mapping Program (VegCAMP).

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: -13203394.8317
YMin: 3868738.666
XMax: -13174466.5372
YMax: 3900340.1911
Spatial Reference: 102100 (3857)


Drawing Info:

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ID: Prunus ilicifolia ssp. lyonii individual
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ID: Baccharis pilularis Alliance
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ID: Artemisia californica Alliance
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ID: Ambrosia chamissonis-Abronia maritima Alliance
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ID: Cylindropuntia prolifera Association
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ID: Iceplant Alliance
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ID: California Annual and Perennial Grassland
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ID: Salsola sp. Provisional Alliance
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ID: Distichlis spicata Alliance
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ID: Salicornia pacifica Alliance
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Last Edit Date: 6/27/2024 6:13:26 PM

Schema Last Edit Date: 6/27/2024 6:13:26 PM

Data Last Edit Date: 6/27/2024 5:20:41 PM