The unseen species problem is commonly referred to in ecology and deals with the estimation of the number of species represented in an ecosystem that were not observed by samples. It more specifically relates to how many new species would be discovered if more samples were taken in an ecosystem. The study of the unseen species problem was started in the early 1940s by Alexander Steven Corbet. He spent two years in British Malaya trapping butterflies and was curious how many new species he would discover if he spent another two years trapping. Many different estimation methods have been developed to determine how many new species would be discovered given more samples. The unseen species problem also applies more broadly, as the estimators can be used to estimate any new elements of a set not previously found in samples. An example of this is determining how many words William Shakespeare knew based on all of his written works.[1]
The unseen species problem can be broken down mathematically as follows: If independent samples are taken, , and then if more independent samples were taken, the number of unseen species that will be discovered by the additional samples is given by
with being the second set of samples.
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The unseenspeciesproblem is commonly referred to in ecology and deals with the estimation of the number of species represented in an ecosystem that were...
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253–269. Efron, B., & Thisted, R. (1976). Estimating the number of unseenspecies: How many words did Shakespeare know? Biometrika, 63, 435–447. Fisher...
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Silk, Joseph (2009). Horizons of Cosmology: Exploring Worlds Seen and Unseen. Templeton Science and Religion Series. Conshohocken, PA: Templeton Press...
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difference in usage in his Discworld novels, in which the Librarian of the Unseen University is an orangutan who gets very violent if referred to as a monkey...
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Martin, Anthony J. (2013). Life Traces of the Georgia Coast: Revealing the Unseen Lives of Plants and Animals. Indiana University Press. pp. 209–210. ISBN 978-0-253-00602-8...
Kestin; Smit, Mariya W.; Herfort, Lydie; Simon, Holly M. (2018). "The Unseen World in the River". Frontiers for Young Minds. 6. doi:10.3389/frym.2018...
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histopathology images and could even apply what they had learned to previously unseen images. However, when faced with a more challenging task, they reverted...
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June 2012. Whitman, W.; Coleman, D.; Wiebe, W. (1998). "Prokaryotes: The unseen majority". Proceedings of the National Academy of Sciences of the United...
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