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  2. Distance sampling - Wikipedia

    en.wikipedia.org/wiki/Distance_sampling

    Distance sampling is a widely used group of closely related methods for estimating the density and/or abundance of populations. The main methods are based on line transects or point transects .

  3. List of research methods in biology - Wikipedia

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

    Distance sampling: Used for estimating the density and/or abundance of populations: Ecology: Mark and recapture: Used to estimate an animal population's size where it is impractical to count every individual. [17] Ecology

  4. Stephen Buckland - Wikipedia

    en.wikipedia.org/wiki/Stephen_Buckland

    Stephen Terrence Buckland (born 28 July 1955) is a British statistician and professor at the University of St Andrews.He is best known for his work on distance sampling, a widely used technique for estimating the size of animal populations.

  5. Transect - Wikipedia

    en.wikipedia.org/wiki/Transect

    A transect running across a stream. A transect is a path along which one counts and records occurrences of the objects of study (e.g. plants). [citation needed]It requires an observer to move along a fixed path and to count occurrences along the path and, at the same time (in some procedures), obtain the distance of the object from the path.

  6. 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.

  7. Abundance estimation - Wikipedia

    en.wikipedia.org/wiki/Abundance_estimation

    3 Distance sampling. 4 References. 5 Further reading. ... Abundance estimation comprises all statistical methods for estimating the number of individuals in a population.

  8. 2024 polls were accurate but still underestimated Trump

    www.aol.com/2024-polls-were-accurate-still...

    This is not great news for pollsters. It means they did not fully solve their problems from 2016 and 2020 of getting enough Trump supporters to take their polls .

  9. Line-intercept sampling - Wikipedia

    en.wikipedia.org/wiki/Line-intercept_sampling

    In statistics, more specifically in biostatistics, line-intercept sampling (LIS) is a method of sampling elements in a region whereby an element is sampled if a chosen line segment, called a “transect”, intersects the element.