vegbank a vegetation field plot archive
DESCRIPTION
VegBank A vegetation field plot archive. Produced at: The National Center for Ecological Analysis and Synthesis Principal Investigators: Robert K. Peet, University of North Carolina Michael D. Jennings, U.S. Geological Survey Dennis Grossman, NatureServe - PowerPoint PPT PresentationTRANSCRIPT
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VegBank A vegetation field plot archiveProduced at:
The National Center for Ecological Analysis and Synthesis
Principal Investigators:Robert K. Peet, University of North CarolinaMichael D. Jennings, U.S. Geological SurveyDennis Grossman, NatureServeMarilyn D. Walker, USDA Forest Service
Primary collaborators: Don Faber-Langendoen, NatureServeMichael Lee, University of North CarolinaMark Anderson, NCEASGabriel Farrell, NCEASJohn Harris, NCEAS
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A vegetation plot archive?
Currently there is no standard plot data repository.
A repository is needed for:
• Plot storage and preservation
• Plot access and identification
• Plot documentation in literature/databases
In addition, data exchange standards are needed to support alternative data archive initiatives.
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Biodiversity data structure
Taxonomic database
Plot/Inventory database
Occurrence database
Plot Observation/Collection Event
Specimen or Object
Bio-Taxon
Locality
Vegetation Type
Vegetation type database
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Plot
PlotObservation
Taxon Observation
Taxon Interpretation
Plot Interpretation
Core elements
of VegBank
Taxon Assignment
Plot Assignment
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Taxonomic database challenge:
Standardizing organisms and communities
The problem: Integration of data potentially
representing different times, places, investigators and taxonomic standards.
The traditional solution: A standard checklists of organisms.
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Standard checklists for Taxa
Representative examples for higher plants in North America / US USDA Plants http://plants.usda.gov ITIS http://www.itis.usda.gov NatureServe http://www.natureserve.org BONAP http://www.bonap.org/ Flora North America http://hua.huh.harvard.edu/FNA/
These are intended to be checklists wherein the taxa recognized perfectly partition all plants. The lists can be dynamic.
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Most taxon checklists fail to allow effective dataset integration
The reasons include:
• The user cannot reconstruct the database as viewed at an arbitrary time in the past,
• Taxonomic concepts are not defined (just lists),
• Multiple party perspectives on taxonomic concepts and names cannot be supported or reconciled.
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R. plumosa
R. plumosa
R plumosav. intermedia
R. plumosav. plumosa
R. intermedia
R. plumosav. interrupta
R. pineticola
R. plumosa
R. sp. 1
R. plumosav. plumosa
R. plumosav. pineticola
Multiple concepts of Rhynchospora plumosa s.l.
Elliot 1816
Gray 1834
Kral 2003
Peet 2004?
1
2
3
Chapman1860
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Name ReferenceConcept
Taxonomic theory
A taxon concept represents a unique combination of a name and a reference
“Taxon concept” roughly equivalent to “Potential taxon” & “assertion”
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Name ConceptUsage
A usage represents an association of a concept with
a name.
• Usage does not appear in the IOPI model, but instead is a special case of concept
• Desirable for stability in recognized concepts when strictly nomenclatural synonyms are created.
• Usage can be used to apply multiple name systems to a concept
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Carya ovata(Miller) K. Koch
Carya carolinae-septentrionalis(Ashe) Engler & Graebner
Carya ovata(Miller) K. Koch
sec. Gleason 1952
sec. Radford et al. 1968
Three concepts of shagbark hickory
Splitting one species into two illustrates the ambiguity often associated with scientific names.
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Names Carya ovata Carya carolinae-septentrionalis Carya ovata v. ovata Carya ovata v. australis
Concepts(One shagbark) C. ovata sec Gleason ’52 C. ovata sec FNA ‘97
(Southern shagbark) C. carolinae-s. sec Radford ‘68 C. ovata v. australis sec FNA ‘97
(Northern shagbark) C. ovata sec Radford ‘68 C. ovata (v. ovata) sec FNA ‘97
References Gleason 1952. Britton & Brown Radford et al. 1968. Flora Carolinas Stone 1997. Flora North America
Six shagbark hickory concepts
Possible synonyms are listed together
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Name ConceptUsageStart, StopNameStatusName system
Reference
Data relationshipsVegBank taxonomic data model
Single party, dynamic perspective
StatusStart, StopConceptStatusLevel, Parent
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Party Perspective
The Party Perspective on a concept includes:
• Status – Standard, Nonstandard, Undetermined
• Correlation with other concepts – Equal, Greater, Lesser, Overlap,
Undetermined.
• Lineage – Predecessor and Successor concepts.
• Start & Stop dates for tracking changes
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Name Concept
Party
UsageStart, StopNameStatusName system
StatusStart, StopConceptStatusLevel, Parent
Reference
Data relationshipsVegBank taxonomic data model
Multiple parties, dynamic perspectives
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Name Concept
Party
UsageStart, StopNameStatusName system
StatusStart, StopConceptStatusLevel, Parent
Correlation
Reference
Lineage
Data relationshipsVegBank taxonomic data model
With party correlations and lineages
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Intended functionality
• Organisms are labeled by reference to concept (name-reference combination),
• Party perspectives on concepts and names can be dynamic, but remain perfectly archived,
• User can select which party perspective to follow,
• Different names systems are supported,
• Enhanced stability in recognized concepts by separating name assignment and rank from concept.
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Name InterpretationAssertion
Rank
Source
Correlation
Author
Assertion Status
Reference
Core elements of theIOPI (Berendsohn) model
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Primary differences between the VegBank model and the
IOPI(Berendsohn) models
The VB model is optimized for• stability in accepted concepts,• support of multiple dynamic party perspectives,• support of multiple name systems.
The IOPI model is optimized for • Describing taxonomic decisions represented in literature.
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State of Taxon Concept Development
1. IOPI2. VegBank3. Collaborators• NatureServe Biotics4
• USDA PLANTS & ITIS
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VegBank taxon data content
Prototype populated with USDA PLANTS lists and synonyms = weak concepts.
Contract with NatureServe and John Kartesz • Develop reference-based concepts for
14000 by July 2004 of the ~32000 vascular plant taxa at species level and below
• List of unambiguous taxa (~6000?)• Treatment of most ambiguous taxa• Demonstration mapping to FNA• A few demonstration groups in depth
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Concept workbench
• Concept workbench for both plant concepts and community concepts is planned.
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The VegBank ERD
• Available at http://vegbank.org• Click tables for data dictionary and
constrained vocabulary
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The data dictionary provides critical information such as field types, field definitions, and constrained vocabularies.
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Taxon Observation• Importance values
• Author name
Taxon Interpretation
• Which taxon
• Who decided and why
• Stem or collective
• Voucher information
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Interpretation continued
Plants
• Taxon Interpretation
• Taxon Alt
Communities
• Class
• Comm Interpretation
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Problematic taxa of ecological datasets
• Carex sp.• Carex sp. #1 (hairy graminoid #2)• Carex sp. #1 (sensu McMillan)• Potentilla simplex or P. canadensis• Picea glauca – engelmannii complex• Carya ovata sec. Gleason 1952• Evergreen shrub
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Connectivity issues
• Data exchange with NatureServe• Data exchange with USDA• Data exchange with VegBank
clones