Converting visual census data into absolute abundance estimates: a method for calibrating timed counts of a sedentary insect population

1. Visual surveys for small organisms on complex substrates often yield serious underestimates of true counts. When both visual counts (relative estimates of abundance) and absolute counts can be obtained from the same sample, however, the visual counts can be calibrated such that absolute estimates...

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Veröffentlicht in:	Ecological entomology 2003-08, Vol.28 (4), p.490-499
Hauptverfasser:	Yoo, Ho Jung S., Stewart-Oaten, Allan, Murdoch, William W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal, plant and microbial ecology Biological and medical sciences Calibration model detection efficiency direct estimation Fundamental and applied biological sciences. Psychology General aspects. Techniques handling time inverse prediction Methods and techniques (sampling, tagging, trapping, modelling...) Orgyia vetusta relative abundance
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