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  2. Mark and recapture - Wikipedia

    en.wikipedia.org/wiki/Mark_and_recapture

    Mark and recapture is a method commonly used in ecology to estimate an animal population's size where it is impractical to count every individual. [1] A portion of the population is captured, marked, and released.

  3. Genetic monitoring - Wikipedia

    en.wikipedia.org/wiki/Genetic_monitoring

    At the individual level, genetic identification can enable estimation of population abundance and population increase rates within the framework of mark-recapture models. . The abundance of cryptic or elusive species that are difficult to monitor can be estimated by collecting non-invasive biological samples in the field (e.g. feathers, scat or fur) and using these to identify individuals ...

  4. Lincoln index - Wikipedia

    en.wikipedia.org/wiki/Lincoln_index

    The Lincoln index is a statistical measure used in several fields to estimate the population size of an animal species. Described by Frederick Charles Lincoln in 1930, it is also sometimes known as the Lincoln-Petersen method after C.G. Johannes Petersen who was the first to use the related mark and recapture method.

  5. Abundance estimation - Wikipedia

    en.wikipedia.org/wiki/Abundance_estimation

    2 Mark-recapture. 3 Distance sampling. 4 References. 5 Further reading. Toggle the table of contents. Abundance estimation. 1 language.

  6. Coverage error - Wikipedia

    en.wikipedia.org/wiki/Coverage_error

    In mark-and-recapture methodology, a sample is taken directly from the population, marked, and re-introduced into the population. At a later date, another sample is then taken from the population (re-capture), and the proportion of previously marked samples is used to estimate the actual population size.

  7. C.G. Johannes Petersen - Wikipedia

    en.wikipedia.org/wiki/C.G._Johannes_Petersen

    Especially he was the first to use the Mark and recapture method which he used to estimate the size of a Plaice population. The Lincoln-Petersen method (also known as the Petersen-Lincoln index) is named after him and Frederick Charles Lincoln who first described the method in 1930.

  8. ICE makes staggering 11K illegal migrant arrests in just 18 ...

    www.aol.com/news/ice-makes-staggering-11k...

    ICE agents arrested an astounding 11,000 illegal migrants in the first 18 days of the Trump administration. AP

  9. List of research methods in biology - Wikipedia

    en.wikipedia.org/wiki/List_of_research_methods...

    Identification key: Used to identify a specimen organism from a set of known taxa. [5] Systematics, Taxonomy. Manhattan plot: Used to display data with a large number of data-points, many of non-zero amplitude, and with a distribution of higher-magnitude values. The plot is commonly used in genome-wide association studies (GWAS) to display ...