20230525 vector digital data https://wildlife.ca.gov/Data/BIOS https://filelib.wildlife.ca.gov/Public/BDB/GIS/BIOS/Public_Datasets/3000_3099/ds3094.zip Range polygons may include areas not currently occupied by a species and, conversely, may omit areas potentially used by a species. The boundary delineations are primarily based on ecoregion subsections (USDA F.S., Ecomap Subsections 2007) and 10 Kilometer occurrence buffers.Criteria used to delineate range boundaries:Select all occupied ecoregion subsections.If subsection is composed of two separate polygons, select only the subsection polygon containing occurrence/s.Buffer species occurrences by 10 Kilometers (per maximum buffer distance suggested by scientific literature.If occurrence buffer extends outside a selected subsection, expand subsection boundary to incorporate buffer.If non-selected subsection is surrounded by selected subsections, incorporate non-selected subsections into species range after assessing vegetational characteristics.Remove entire "Mojave Valley-Granite Mountains" subsection with isolated occurrences because it is considered poor habitat for the species by experts consulted by CDFW. Include only 10 Km buffer of those isolated occurrences into range . Clip species range by California State boundary.Merge ecoregion subsections to create a seamless species range polygon.EcomapSubsections 2007 - MetadataThe Ecomap Subsections feature class contains ecological subsection polygons attributed with subsection names and descriptions. The EcomapSubsections 2007 data set describes the ecological subsections within the conterminous United States. It contains regional geographic delineations for analysis of ecological relationships across ecological units. ECOMAP is the term used for a USDA Forest Service initiative to map ecological units and encourage their use in ecosystem-based approaches to forest land conservation and management. This is a collaborative effort with many partners. It is coordinated at the national and regional levels by USDA Forest Service staff and implemented in cooperation with State forestry agencies and others. ECOMAP mapping criteria are outlined in the National Hierarchical Framework of Ecological Units (https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5286434.pdf). The framework systematically divides the country into progressively smaller areas of land and water that have similar physical and biological characteristics and ecological processes. Note: The "EcomapSubSections_2007" was downloaded from the USDA Forest Service Clearing House website on January 17, 2023. The features in this dataset represent the historic range for Bombus crotchii (Crotch's Bumble Bee). The historic range is defined as the maximum historic geographic extent of B. crotchii based on historic occurrence records (prior to 2002) from the Bumble Bees of North America Occurrence Record Database (Richardson 2023), California Natural Diversity Database (CNDDB), and other datasets submitted directly to California Department of Fish and Wildlife (CDFW). This dataset was created May 2023. Complete None planned -124.485366 -113.765071 42.017486 32.437165 None Bombus crotchii, Crotch's Bumble Bee, historic range, ecoregion ISO 19115 Topic Categories biota geoscientificInformation None California None License: This work is licensed under Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). Using the citation standards recommended for BIOS datasets (https://www.wildlife.ca.gov/Data/BIOS/Citing-BIOS) satisfies the attribution requirements of this license.Disclaimer: The State makes no claims, promises, or guarantees about the accuracy, completeness, reliability, or adequacy of these data and expressly disclaims liability for errors and omissions in these data. No warranty of any kind, implied, expressed, or statutory, including but not limited to the warranties of non-infringement of third party rights, title, merchantability, fitness for a particular purpose, and freedom from computer virus, is given with respect to these data.The USDA Forest Service makes no warranty, expressed or implied, including the warranties of merchantability and fitness for a particular purpose, nor assumes any legal liability or responsibility for the accuracy, reliability, completeness or utility of these geospatial data, or for the improper or incorrect use of these geospatial data. These geospatial data and related maps or graphics are not legal documents and are not intended to be used as such. The data and maps may not be used to determine title, ownership, legal descriptions or boundaries, legal jurisdiction, or restrictions that may be in place on either public or private land. Natural hazards may or may not be depicted on the data and maps, and land users should exercise due caution. The data are dynamic and may change over time. The user is responsible to verify the limitations of the geospatial data and to use the data accordingly. California Department of Fish and Wildlife (CDFW) Hillary Sardinas Pollinator Coordinator Hillary.Sardinas@wildlife.ca.gov California Department of Fish and Wildlife (CDFW) Hillary Sardinas Pollinator Coordinator Hillary.Sardinas@wildlife.ca.gov Bumble Bees of North America Occurrence Record Database, California Department of Fish and Wildlife (CDFW) Wildlife Branch Version 6.2 (Build 9200) ; Esri ArcGIS 10.6.1.9270 Vector GT-polygon composed of chains 1 NAD 1983 California Teale Albers 34.0 40.5 -120.0 0.0 0.0 -4000000.0 coordinate pair 0.0001 0.0001 meter D North American 1983 GRS 1980 6378137.0 298.257222101 ds3094 A collection of geographic features with the same geometry type (such as point, line, or polygon), the same attributes, and the same spatial reference. http://support.esri.com/en/knowledgebase/GISDictionary/term/feature%20class OBJECTID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. SHAPE Feature geometry. ESRI Polygon SHAPE_Length Length of feature in internal units. Esri Positive real numbers that are automatically generated. SHAPE_Area Area of feature in internal units squared. Esri Positive real numbers that are automatically generated. SName Scientific name. CName Common name. 20230602 California Department of Fish and Wildlife (CDFW) Hillary Sardinas Pollinator Coordinator Hillary.Sardinas@wildlife.ca.gov FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998 local time