The California Natural Diversity Database

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The California Natural Diversity Database
Issues procedures Or Why we do the things we do
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Incoming source documents
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New source form in Sept 2006
All of the species, all of the counties all of
the quads listed for each source.
Pro were able to generate statistics
easily. Con very time consuming to enter.
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Source documents entered September 2006 to March
2008
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Source Documents
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Backlog of unentered source documents

• Zoology 5,434 documents
• Botany 15,081 documents (this includes both
  high and low priority plants)

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Data entry
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• We currently have 2,190 plants on the Special
  Plants list and 865 animals on the Special
  Animals list.
• We currently have a staff of 6 permanent
  biologists and 2 scientific aids.

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Number of EOs added or updated each month and
total number of EOs in the CNDDB as of January of
each year

• 2004 464/month
• 338 added/month
• 2005 491/month
• 264 added/month
• 2006 425/month
• 213 added/month
• 2007 494/month
• 330 added/month

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Field work? Whats that?
CNDDB
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Data entry prioritization

• Requests from CDFG biologists
• Petitions or anticipated state or federal listing
  petitions
• Federal 5-year reviews of listed species
• Proposed or on-going HCPs or NCCPs
• Current contracts

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Examples

• How and why we mapped it that way
• How to interpret and use it.
• How we want to improve it.
• Suggestions

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San Joaquin kit fox
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949 EOs
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Occ 226
Old River Rd
Ming Ave
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Ming Ave.
Buena Vista Rd.
Old River Rd.
White Lane
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Giant garter snake
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An EO is not a population!
1 mile
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California tiger salamander
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Most EOs are of larvae at breeding locations. Buf
fered by 500 m to account for needed upland
habitat.
EOs are not populations!
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California tiger salamander EOs in Sonoma County
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EOs with a 500 meter buffer.
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Occ 936
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500 meter buffer Near Concord, 25 miles East of
SF Bay
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Los Vaqueros Reservoir area about 33 miles east
of SF Bay
Ownerships CCA Water Dist East Bay Regional
Parks District Calif Dept Parks Recreation
Large areas still not surveyed
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Ranking Layer with buffer to be used in
ranking with details documented.
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Bat data entered in preparation for the
development of the California Bat Conservation
Plan
Includes data on roosts, acoustic surveys
and mist netting for foraging bats.
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2,061 EOs for 19 taxa of bats. 1,553 EOs (75)
were added or updated between 2006 2008
New data for bat species tracked by the
CNDDB will be added data for non-tracked
species will be available through BIOS
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Badger
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Occ 45
See handout
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Occ 45
See handout
Hwy 176
Dominion Rd
Date Last seen Presence field
Orcutt-Garey Rd