Natural history c ollections and locality data
description
Transcript of Natural history c ollections and locality data
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Natural history collections and locality data
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Biodiversity Data in Natural History Collections
• 1 billion specimens in 1600 natural history collections
• Location information and environmental data
• Associated metadata: GenBank accession numbers
• Associated collections: DNA, songs, calls
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Label Data
• Scientific name – including authority• Collector• Location – state, county, specific site, GPS
coordinates• Associated species• Notes
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Label Data
• Scientific name – including authority• Collector• Location – state, county, specific site, GPS
coordinates• Associated species• Notes
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• United States: Florida: Nassau County. Ralph Simmons State Forest. About 5 miles SE of Folkston, Georgia. From east entrance into Forest, go west and then north on dirt roads. Sandhills with young planted longleaf pines and patchy grass-forb understory.
Locality Data:Callisia gramineagrassleaf roseling
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What’s in a locality
• A description of collection location. Written from specific to general, including a specific locality, offset(s) from a reference point, and administrative units such as county, state, and country.
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Why do good localities matter? • Collecting data in the field sets
the stage for good georeferencing procedures.
• Contains useful information for biologists– Future collections, conservation,
ecology, taxonomy, niche modeling…..
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Occurrence Map– 5,942 occurrences – Over 190 species
Overlaid with expert distribution map (Smith and Downs, 1977
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What A Locality Should Be
• Specific• Succinct• Unambiguous• Complete• Accurate• Precise
More Precise
Less Precise
More Accurate
Less Accurate
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Habitat and elevation
• Brief description of the habitat the organism was found (i.e. Coastal hammock)
• Provide an elevation value
• Report the source of elevation (map, altimeter, seat of pants, etc.)
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Coordinates• It is not enough to have locality description
alone, coordinates are now essential.• Decimal degrees are recommended.• More decimal places are better.
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Examples of Good and Bad Localities
• Vague localities– BAD: “Sacramento River Delta” - an extremely large
geographic areaBETTER: “Locke, Sacramento River Delta, Sacramento Co., California” - names a town within the Delta
– BAD: “3 mi W of San Jose/Cartago border” - without additional details, this would mean anywhere 3 mi W of the borderGOOD: “3 mi W of San Jose/Cartago border on Highway 2, San Jose Province, Costa Rica”