(Biogeography Lab logo) UCSB Biogeography Lab


Land Ownership/Management Status Layer Data Dictionary

California Gap Analysis Project


Table of Contents

Identification Information
Data Quality Information
Spatial Data Organization Information
Spatial Reference Information
Entity and Attribute Information
Distribution Information
Metadata Reference Information
Contact Information
Layer Contents

I. IDENTIFICATION INFORMATION

Data Set Identity: ma

Citation:
Citation_Information:
Originator: California Gap Analysis
Publication_Date: 19980630
Title: Land Ownership and Management for California
Geospatial_Data_Presentation_Form: map
Publication_Information:
Publication_Place: Santa Barbara, California
Publisher: Biogeography Lab, University of California, Santa Barba ra
Online_Linkage: <http://www.biogeog.ucsb.edu/projects/gap/gap_data.html>

Description:

Land ownership and management of California, distinguishing local, state, and federal jurisdictions from private lands and delineating areas managed for the long-term maintenance of natural ecological processes and biodiversity. This layer therefore contains attributes both for ownership and for the level of biodiversity protection.

Supplemental Information: n/a

Data Set Status: in use

West Bounding Coordinate (degrees longitude): -124.5048
East Bounding Coordinate (degrees longitude): -114.2648
North Bounding Coordinate (degrees latitude): 41.9886
South Bounding Coordinate (degrees latitude): 32.4234

Theme Keyword: Ownership, Protected Areas

Browse Graphic File Name: ma.gif
Browse Graphic File Description: Four management status levels in California.
Browse Graphic File Type: GIF

Use Restrictions: n/a

Access Limitations:

Permission to use the ownership layer on which this coverage was derived was granted exclusively to the California Gap Analysis Project. THIS COVERAGE IS NOT TO BE DISTRIBUTED WITHOUT PRIOR PERMISSION FROM THE TEALE DATA CENTER

Native Data Set Environment: ARC/INFO software version 7.0.3 running on IBM RS6000 with AIX 3.2.5

Raster File Format: n/a
Raster File Sensor: n/a
Vector File Format: ARCE7 (ARC/INFO Export format, version 7)
Nonspatial File Format: n/a


II. DATA QUALITY INFORMATION

Attribute Accuracy: unknown
Attribute Accuracy Explanation: n/a

Logical Consistency Report:

Each attribute label was confirmed to be a member of the set of valid values, and each map unit has one and only one label.

Completeness Report:

Base land ownership derived from BLM 1:100,000 scale map sheets. Additional land ownership updated from various sources on published or agency maps. Managed areas added from paper and digital sources from the responsible agency. Set of managed areas incorporated based on lists in Kreissman, B. 1991. California: An Environmental Atlas and Guide. Bear Klaw Press, Davis, CA. Additional managed areas identified from more recent legislation and agency contacts. Managed areas smaller than 200 hectares for upland sites and 80 hectares for wetland sites were not included on the assumption that they contribute little to regional biodiversity conservation. However, where digital map boundaries were readily available, these smaller sites were incorporated as well, but were labeled as a special management level.

Some managed areas are nested within others. Because only one code is permitted per map unit, the one with the highest level of protection is encoded. This means that it may not be straightforward to extract or reselect all areas of a particular category. For instance, some Forest Service Research Natural Areas (RNA) are within Wilderness Areas. To extract all wilderness from the database, a user would have to know which specific RNA's, condor sanctuaries, etc. occur within wilderness.

Horizontal Positional Accuracy: unknown
Horizontal Positional Accuracy Explanation: n/a
Vertical Positional Accuracy: n/a
Vertical Positional Accuracy Explanation: n/a

Source Information:

The ownership data were derived from the 1:100,000 scale Bureau of Land Management Surface Management Status maps. The most recent national forest maps and other sources were used to update the BLM maps prior to digitizing. The managed area boundaries were compiled from many sources. Many larger areas could be found on the USGS 1:100,000 scale topographic maps revised in the 1980s. Fish and Game Ecological Reserves and Wildlife Areas and Nature Conservancy Preserves were provided as digital files from the California Department of Fish and Game's Heritage Program. ARC/INFO coverages of the Santa Monica Mountains National Recreation Area, BLM Areas of Critical Environmental Concern and some other managed areas were obtained from the responsible agency. USFS wilderness area boundaries were obtained from published and unpublished Forest Service maps. The wilderness areas and park designations in the California Desert Conservation Act of 1994 were obtained from the 1991 digital GIS coverage prepared by the BLM state office. Various paper maps were used to delineate state wildernesses and all other managed areas.

Source Date: 1975-1994

Source Distance Resolution (meters): 50

Process Description:

The ownership data were originally digitized by the Forest and Rangeland Resources Assessment Program of the California Department of Forestry and Fire Protection. It was then registered to the Public Land Survey coverage at Teale Data Center so that coincident linework was common. Land owner information was included as an attribute.

Managed areas were incorporated into this base coverage at UCSB. Some boundaries were merged from existing digital coverages (see Source Information above). Others were transcribed from paper maps onto USGS 1:100,000 scale topographic maps and digitized. Attributes were added for the source of data, management status, and a 10 character Heritage Program ID-code for managed areas. For further details, see:

Beardsley, K. and D. M. Stoms. 1993. Compiling a digital map of areas managed for biodiversity in California. Natural Areas Journal, 13: 177-190.


III. SPATIAL DATA ORGANIZATION INFORMATION

Native Data Structure: spatial vector
Raster File Row (Line) Count: n/a
Raster File Column (Sample) Count: n/a
Raster File Vertical (Band) Count: n/a
Raster File Number of Bytes per Pixel: n/a


IV. SPATIAL REFERENCE INFORMATION

Geographic Coordinate Units: Degrees, minutes and decimal seconds
Map Projection Name: Albers Conical Equal Area
Map Projection Description:

Projection ALBERS
Units METERS
Spheroid CLARKE1866
Parameters:

Distance Resolution (meters): 50

Altitude Resolution (meters): n/a


V. ENTITY/ATTRIBUTE INFORMATION

Attribute Label:
OWNER Code for responsible jurisdiction
SOURCE Code for source of digital data
MACODE Code for managed area
MATYPE Prefix of MACODE (REDEFINEd item)
STATUS Code for GAP management status level (4 classes)
In related INFO tables:
OWNNAME Name of responsible jurisdiction
MANAME Name of managed area
EST_DATE Year of establishment
DESCRIPTION Comments about significant biodiversity elements in the area

Attribute Definition Source:
MACODE the Managed Area File of the California Natural Heritage Division

Entity and Attribute Detail Citation:

Beardsley, K. and D. M. Stoms. 1993. Compiling a digital map of areas managed for biodiversity in California. Natural Areas Journal, 13: 177-190.


VI. DISTRIBUTION INFORMATION

Distributor:

    Dr. Frank Davis
    Department of Geography
    University of California
    Santa Barbara, CA 93106-4060

    phone: 805-893-3438
    fax: 805-893-3146
    e-mail: fd@geog.ucsb.edu
    ftp address: ftp://ftp.biogeog.ucsb.edu/pub/org/biogeog/data/gap_analysis
    URL: http://www.biogeog.ucsb.edu/projects/gap/gap_data.html

Distribution Liability:

The University of California assumes no responsibility for application of the data beyond their original intent.

Standard Order Process:

Data are available through anonymous ftp and the World Wide Web at the ftp address and URL address listed under Distributor.

File Decompression Technique:

ARC/INFO export file (ARCE7) with NONE compression option. Export file then compressed with gzip.

Transfer Size: 9.9 megabytes in gzip mode; 44.7 megabytes uncompressed


VII. METADATA REFERENCE INFORMATION

Metadata Date: 07/09/98
Metadata Standard Name: Metadata Standards for Gap Analysis
Metadata Standard Version: 09/05/94
Metadata Review Date: n/a
Metadata Contact:

    Dr. David Stoms
    phone: 805-893-7655
    fax: 805-893-3146
    e-mail: stoms@geog.ucsb.edu

VIII. CONTACT INFORMATION

Contact Person Primary: Dr. David Stoms
Contact Mail Address:

    Department of Geography
    University of California
    Santa Barbara, CA 93106-4060

Contact Voice Telephone: (805) 893-7655
Contact Facsimile Telephone: (805) 893-3146
Contact Electronic Mail Address:
stoms@geog.ucsb.edu


IX. LAYER CONTENTS

INFO Table Schemas

Polygon attribute table
Owners lookup table
Managed area name lookup table

INFO Codes

Region names
Owner names
Data sources
Status classes
Managed area names

MA.PAT- Polygon attribute file:

ITEM NAME INFO DEFINITION DESCRIPTION
25 REGION 3 3 C - Code for managed area
28 OWNER 3 3 I - Code for responsible jurisdiction
31 SOURCE 2 2 I - Code for source of digital data
33 MACODE 10 10 C - Code for managed area
43 STATUS 1 1 I - Code for management status
** REDEFINED ITEMS **
33 MATYPE 5 5 C - Prefix of managed area code showing type of area

Lookup Tables - Filename: MA.OWNERS:

ITEM NAME INFO DEFINITION DESCRIPTION
1 OWNER 3 3 I - Code for responsible jurisdiction
4 OWNNAME 50 50 C - Name of responsible jurisdiction

Lookup Tables - Filename: MA.DATA:

This file was largely based on the Managed Area File from the California Natural Heritage Division, supplemented by additional managed areas as needed. Descriptive data about significant biodiversity elements in the area is included if it was encountered provided in that file of published sources.

ITEM NAME INFO DEFINITION DESCRIPTION
1 MACODE 10 10 C - Code for managed area
11 MANAME 50 50 C - Name of managed area
61 EST_DATE 4 4 I - Year of establishment, if known
65 DESCRIPTION 80 80 C - Comments about significant biodiversity elements in the area

INFO Items:

INFO Filename: LANDCOV.PAT

REGION Region Name
CAS Cascade Ranges
CW Central Western California
ESN East of the Sierra Nevada
GV Great Central Valley
MOD Modoc Plateau
MOJ Mojave Desert
NW Northwestern California
SN Sierra Nevada
SON Sonoran Desert
SW Southwestern California

INFO Filename: MA.OWNERS

OWNER OWNNAME
0 None (outside coverage)
1 Private
2 The Nature Conservancy
3 Audubon Society
4 Other Conservancies, Land Trusts, Private Universities
5 Water
10 County-City-Regional Lands
11 County-City-Regional Parks and Preserves
12 Water Districts etc.
13 Open Space Districts
20 State Lands--State Lands Commission
21 California Dept. of Forestry & Fire Protection
23 California Dept. of Parks and Recreation
24 California Dept. of Fish and Game
25 California Dept. of Water Resources
30 Military--unknown branch
31 Army Corps of Engineers
32 Army
33 Navy
34 Marines
35 Air Force
36 National Guard
40 US Bureau of Reclamation
41 US Bureau of Indian Affairs
50 US Fish and Wildlife Service
55 National Seashore or National Recreation Area
60 National Monument
65 US National Park Service
70 US Bureau of Land Management
75 National Oceanic and Atmospheric Administration
76 Coast Guard
80 US Forest Service--Miscellaneous
81 Angeles National Forest
82 Cleveland National Forest
83 Eldorado National Forest
84 Inyo National Forest
85 Klamath National Forest
86 Lassen National Forest
87 Los Padres National Forest
88 Mendocino National Forest
89 Modoc National Forest
90 Plumas National Forest
91 San Bernardino National Forest
92 Sequoia National Forest
93 Shasta-Trinity National Forest
94 Sierra National Forest
95 Six Rivers National Forest
96 Stanislaus National Forest
97 Tahoe National Forest
98 Toiyabe National Forest (Region 4)
99 Lake Tahoe Basin Management Unit
100 Rogue River National Forest (Region 6)
101 Siskiyou National Forest (Region 6)

INFO Filename: MA.PAT INFO Item: SOURCE

SOURCE DESCRIPTION
1 TEALE OWNERSHIP COVERAGE - BLM SURFACE MANAGEMENT SERIES
2 SANTA MONICA MTS NRA COVERAGE
3 DIGITIZED UCSB GEOGRAPHY
4 CA HERITAGE DIVISION--DFG SITES
5 CA HERITAGE DIVISION--TNC SITES
6 BLM RIVERSIDE DISTRICT--ACECS
7 BUREAU OF RECLAMATION SAN JOAQUIN VALLEY DRAINAGE PROGRAM
8 CA HERITAGE DIVISION--USFS RNA'S
9 SAN LUIS OBISPO COUNTY OPEN SPACE
10 BLM HOLLISTER AREA ACEC'S
11 BLM STATE OFFICE--DESERT CONSERVATION BILL
12 BLM Bakersfield District Office
13 BLM Ukiah District Office

INFO Filename: MA.PAT INFO Item: STATUS

STATUS DESCRIPTION
1 An area having permanent protection from conversion of natural land cover and a mandated management plan in operation to maintain a natural state within which disturbance events (of natural type, frequency, and intensity) are allowed to proceed without interference or are mimicked through management. (Fire is usually suppressed in most managed areas in California, however).
2 An area having permanent protection from conversion of natural land cover and a mandated management plan in operation to maintain a primarily natural state, but which may receive use or management practices that degrade the quality of existing natural communities.
3 An area having permanent protection from conversion of natural land cover for the majority of the area, but subject to extractive uses of either a broad, low-intensity type or localized intense type. It also confers protection to federally listed endangered and threatened species throughout the area.
4 Lack of irrevocable easement or mandate to prevent conversion of natural habitat types to anthropogenic habitat types and allow for intensive use throughout the tract, or existence of such restrictions is unknown.

INFO Filename: MA.PAT INFO Item: MACODE

This ten character code consists of 1 character for managing agency type, 2 characters for managing agency, 2 characters for managing agency unit type, 4 characters usually the first four letters of the managed area name, and 1 character tie-breaker. Thus the first 5 characters represent the MATYPE described below. The codes were generally assigned by the California Heritage Program, but supplemented at UCSB when codes were not previously assigned, either for additional types or for new managed areas.

Note: although the Heritage Program uses a 14 character code, the last four characters represent the state and nation abbreviations, which for this coverage would always be CA and US respectively. If this coverage were to be mosaicked with other states, these codes should be appended.

INFO Filename: MA.PAT INFO Item: MATYPE

MATYPE Description
FAFBA Federal-Air Force Base
FAFPL Federal-Air Force Plant
FAFST Federal-Air Force Station
FARBA Federal-Army Base
FARCE Federal-Corps of Engineers Project
FARDP Federal-Army Depot
FBIIR Federal-Bureau of Indian Affairs Reservation
FBLAC Federal-BLM Area of Critical Environmental Concern
FBLCA Federal-BLM National Conservation Area
FBLEA Federal-BLM Conservation Easement
FBLWA Federal-BLM Wilderness Area
FBLWP Federal-BLM Wilderness Area-Proposed
FBLWS Federal-BLM Wilderness Study Area
FBRPR Federal-Bureau of Reclamation
FFSCS Federal-Forest Service Condor Sanctuary
FFSEA Federal-Forest Service Conservation Easement
FFSEF Federal-Forest Service Experimental Forest
FFSLU Federal-Forest Service Land Use Project
FFSMA Federal-Forest Service Management Area
FFSMU Federal-Forest Service Management Unit
FFSNF Federal-Forest Service National Forest
FFSRN Federal-Forest Service Research Natural Area
FFSSI Federal-Forest Service Special Interest Area
FFSWA Federal-Forest Service Wilderness Area
FFSWS Federal-Forest Service Wild and Scenic River
FFWWA Federal-Fish & Wildlife Service Wilderness Area
FFWWP Federal-Fish & Wildlife Service Wildlife Property
FFWWR Federal-Fish & Wildlife Service National Wildlife Refuge
FMCBA Federal-Marine Corps Base
FNABA Federal-Navy Base
FNONA Federal-NOAA Estuarine Research Reserve
FNPNM Federal-National Park System National Monument
FNPNP Federal-National Park System National Park
FNPNR Federal-National Park System National Recreation Area
FNPNS Federal-National Park System National Seashore
FNPPR Federal-National Park System National Preserve
FNPWA Federal-National Park System Wilderness Area
PASNP Private-California Academy of Science Natural Preserve
PLTEA Private-Land Trust Easement
PLTPR Private-Land Trust Preserve
PNAAS Private-Audubon Society Sanctuary
PNCPR Private-Nature Conservancy Preserve
PSUBP Stanford University Biological Preserve
PUNPR Private-Preserves with other or unknown owners
REBBE Regional-County-City Beach
REBOS Regional-District Open Space
REBPA Regional-County-City Park
REBPR Regional-County-City Preserve
REBRE Regional-County-City Recreation Area
REBSB Regional-County-City (State) Beach
REBSH Regional-County-City Shoreline
REBWI Regional-County-City Wilderness
RMUWD Regional-Municipal Utility District or Water District
SDFSF State-Forestry and Fire Protection State Forest
SFGER State-Fish & Game Ecological Preserve
SFGPA State-Fish & Game Public Access
SFGUN State-Fish & Game Undesignated
SFGWL State-Fish & Game Wildlife Area
SFGWP State-Fish & Game Wildlife Property
SPRHM State-Parks and Recreation Historic Monument
SPRHP State-Parks and Recreation Historic Park
SPRRA State-Parks and Recreation State Recreation Area
SPRSB State-Parks and Recreation State Beach
SPRSP State-Parks and Recreation State Park
SPRSR State-Parks and Recreation State Reserve
SPRSW State-Parks and Recreation State Wilderness
SPRUN State-Parks and Recreation State Unclassified
SPRVR State-Parks and Recreation State Vehicular Recreation Area
SPRWC State-Parks and Recreation State Wayside Campground
SUCFS State-University of California Field Station
SUCNR State-University of California Natural Reserve
SUCRS State-University of California Research Station
SUCUC State-University of California Campus
SWCEA State-Water Control Board Easement