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20 Most Recent Public BIOS Data Layers

Biogeographic Information and Observation System (BIOS)

This is a list of the 20 public GIS datasets most recently added to CDFW's BIOS web mapping application. A large majority of the datasets in BIOS are available to the public.

If you've arrived here from a web search, please go to the BIOS home page to launch the BIOS application and then find the data you're interested in.

Contact the BIOS Staff — if you have any questions.


  • Recent Stocked Waters - California [ds778]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 05/14/2019. Contact: Janet Brewster, California Department of Fish and Wildlife (CDFW).
    This dataset represents locations that have been stocked with fish by the California Department of Fish and Wildlife during the current year and the two preceeding years. Each feature in this dataset represents a California Department of Fish and Wildlife hatcherys inland program fish stocking relea...

  • Drought Response Stressor Monitoring Summary Report for Native Fish Species - 2014 to 2017 [ds2820]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 05/09/2019. Contact: Ryan Hill, California Department of Fish and Wildlife (CDFW).
    This layer is intended to be used as an informal means of spatially aggregating data collected by an array of regional teams monitoring drought effects upon California Streams. These informal regions are not definitive boundaries nor are they representative of any jurisdictional delineations of terr...

  • Landscape Linkage - Coyote Valley [ds2823]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 05/07/2019. Contact: Jake Smith, Santa Clara Valley Open Space Authority.
    This data represents the vision outlined in the Coyote Valley Landscape Linkage: A Vision for a Resilient, Mulit-benefit Landscape. The Report was completed in 2017 and was developed with input from a scientific advisory team facilitated by the Conservation Biology Institute. The dataset and vision ...

  • California Natural Diversity Database (CNDDB) Commercial [ds85]:: Secure Dataset (Metadata)
    Date Posted: 05/06/2019. Contact: Misty Nelson, California Department of Fish and Wildlife (CDFW).
    The California Natural Diversity Database (CNDDB) is a product of the California Department of Fish and Wildlife's Biogeographic Data Branch (BDB). The CNDDB is both a manual and computerized library of the status and locations of California's rare species and natural community types. The CNDDB incl...

  • California Natural Diversity Database (CNDDB) Government [ds45]:: Secure Dataset (Metadata)
    Date Posted: 05/06/2019. Contact: Misty Nelson, California Department of Fish and Wildlife (CDFW).
    The California Natural Diversity Database (CNDDB) is a product of the California Department of Fish and Wildlife's Biogeographic Data Branch (BDB). The CNDDB is both a manual and computerized library of the status and locations of California's rare species and natural community types. The CNDDB incl...

  • Arundo Distribution - Central Valley [ds2822]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 04/30/2019. Contact: Dana Morawitz, California Invasive Plant Council.
    Cal-IPC, with funding from the California Wildlife Conservation Board (CWCB) Prop 1 Stream Flow Enhancement Program, has mapped Arundo donax across the Central Valley at high resolution to serve as a foundation for removal projects. Our goal is for this dataset to help RCDs and others plan successfu...

  • Fish - High Mountain Lakes [ds102]:: Public Dataset (Metadata)
    Date Posted: 04/29/2019. Contact: Sarah Mussulman, California Department of Fish and Wildlife (CDFW).
    The fish dataset presents results from High Mountain Lakes (HML), SLIP (Sierra Lakes Inventory), and Redwood Sciences Laboratory (RSL) project fishery surveys. Both projects collected data on high elevation waters in the Sierra Nevada and mountains of Northern California using a standard protocol. S...

  • West of Devers Disturbance Survey [ds2815]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 04/29/2019. Contact: Roger Overstreet, Southern California Edison.
    The dataset was created by Jacobs as a result of field surveys and monitoring that occurred prior to and during construction for Southern California Edisons West of Devers Upgrade Project (WOD). The WOD project consists of upgrades to the existing 220 kilovolt (kV) transmission lines. These upgrades...

  • Red Sesbania - Sacramento River [ds2821]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 04/29/2019. Contact: Canh Nguyen, California Department of Fish and Wildlife (CDFW).
    Mapping the infestation of Sesbania punicea along the middle Sacramento River was the first step of a project to remove rattlebox in the Sacramento River ecosystem. This project is funded by a State Wildlife Grant, administered by the US Fish and Wildlife Service.

  • Bear Creek Riparian Restoration [ds2816]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 04/16/2019. Contact: Eda Eggeman, California Department of Fish and Wildlife (CDFW).
    Every year since 2002, members of the BCWG have participated in the international education and outreach program, World Water Monitoring Day, by collecting basic water quality measurements at eleven locations along Bear, Ash and Lack creeks within the Bear Creek Watershed. During this once-per-year ...

  • Riparian Linkage Potential [ds2818]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 04/16/2019. Contact: Lisa Micheli, Pepperwood Preserve.
    M2B Riparian Linkage Potential is a science-based identification of critical riparian habitat between the Mayacamas Mountains and the Berryessa Range where long-term connectivity is threatened. This data was created as part of a multi-county climate connectivity assessment by the Mayacamas to Berrye...

  • Fish Passage Priorities - CDFW - 2018 [ds2817]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 04/16/2019. Contact: Anne Elston, California Department of Fish and Wildlife (CDFW).
    Man-made barriers to salmonid migration include road /stream crossings, irrigation diversions and dams. Road /stream crossings are extremely numerous and often cross multiple road ownerships within a watershed. Passage impediments and delays in migration affect both adult and juvenile fish. Given th...

  • Terrestrial Linkage Potential [ds2819]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 04/16/2019. Contact: Lisa Micheli, Pepperwood Preserve.
    M2B Terrestrial Linkage Potential is a science-based identification of critical terrestrial habitat between the Mayacamas Mountains and the Berryessa Range where long-term connectivity is threatened. This data was created as part of a multi-county climate connectivity assessment by the Mayacamas to ...

  • California Monitoring Program for Salmon and Steelhead [ds2804]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 04/03/2019. Contact: Kristine Atkinson, California Department of Fish and Wildlife (CDFW).
    The California Monitoring Plan is the most comprehensive program to date that provides a complete understanding of California's salmon and steelhead populations, utilizing statistically-rigorous modeling in combination with a variety of in-river sampling and surveys methods. CDFW and NOAA Fisheries ...

  • Wildlife Conservation Board (WCB) Approved Projects [ds672]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 03/25/2019. Contact: Lisa Ohara, California Department of Fish and Wildlife (CDFW).
    A comprehensive set of Wildlife Conservation Board projects from board inception in 1949 to present (publication date).

  • Wind Energy Impact Project - Montezuma [ds2814]:: Public Dataset (Metadata)
    Date Posted: 03/08/2019. Contact: Renee Culver, Next Era Energy.
    The data set was used to generate estimates of impacts caused by the wind energy project. The project boundary is a GIS approximation of the true project boundary.

  • California Fish Passage Assessment Database [ds69]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 03/07/2019. Contact: Anne Elston, California Department of Fish and Wildlife (CDFW).
    The Passage Assessment Database (PAD) geospatial file contains locations of known and potential barriers to salmonid migration in California streams with additional information about each record. The PAD is an ongoing map-based inventory of known and potential barriers to anadromous fish in Californ...

  • State Highway Postmiles [ds1901]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 03/07/2019. Contact: Andy Richardson, California Department of Transportation (CalTrans).
    Postmiles are valid postmile points at 1 (one) mile intervals, based on Office of GIS Linear Referencing System layer (TIGER linework). Exceptions that are included are the beginning and ends of routes (and other situations) that don't necessarily begin or end on the even 1 mile interval.

  • Stream Inventory Reports by Stream - CDFW [ds936]:: Public Dataset (Metadata and GIS Data Download)
    Date Posted: 02/25/2019. Contact: Sharon Powers, Pacific States Marine Fisheries Commission (PSMFC).
    In-stream habitat data include measurements of a variety of physical and aquatic stream attributes that collectively reveal a great deal about stream condition for salmonids and trout. Characterizing and inventorying the physical conditions that define stream habitat for salmonids is an important pa...

  • CalEnviroScreen 3.0 Results - OEHHA [ds1026]:: Public Dataset (Metadata)
    Date Posted: 02/21/2019. Contact: Walker Wieland, Office of Environmental Health Hazard Assessment (OEHHA).
    The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), announces the availability of the Communities Environmental Health Screening Tool: CalEnviroScreen Version 3.0 (CalEnviroScreen 3.0). CalEnviroScreen is a screening met...