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Accuracy: the least obvious, most important data element

The four most important elements of an observation are a photo, a date, the coordinates (i.e., latitude and longitude), and a community-supported identification. When an observation has these four elements, it is considered “research grade”. However, there is a fifth element that is nearly as important as these other elements in determining the value of an observation to researchers, but it often gets overlooked. This fifth element is accuracy, which is the proximity of the measured latitude and longitude to the actual location where the observation was made. The accuracy can be determined by a GPS device or manually by the user using a mapping app, such as the iNaturalist map function.

The importance of having observations with high accuracy cannot be overstated. Only a small number of uses of iNaturalist observations can accept observations with low accuracy. For example, obtaining a species list for Griffith Park, Balboa Park, or one of the ten counties in ...more ↓

Posted on August 02, 2014 08:54 PM by gregpauly gregpauly | 6 comments | Leave a comment
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Reptiles and Amphibians of Southern California (RASCals)—The goal of this project is to improve our knowledge of native and non-native reptiles and amphibians in southern California.

The RASCals project is a partnership between the Natural History Museum of Los Angeles County, the San Diego Natural History Museum, the Santa Monica Mountains National Recreation Area, and the La Kretz ...more ↓

17630 mini gregpauly created this project on June 07, 2013

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