Poster Open Access

Transects, quadrats, or points? What is the best combination to get a precise estimation of a coral community?

Montilla, Luis M.; Ascanio, Alfredo; López-Hernández, M.; Mariño-Briceño, Gloria; Miyazawa, Emy; Rebolledo, Zlatka; Rivera, Andreína; Sánchez, Daniela; Verde, Alejandra; Cróquer, Aldo

Large scale monitoring projects establish standardized protocols in order to capture information
that can be comparable regardless of the spatial scales, the number of researchers involved, or
other factors.


Typically, sampling effort is chosen based on power analysis, however this implies reducing multi-
variate data to a single dimension. Here, we present an assessment of the multivariate precision
for a series of coral community surveys conducted in multiple locations of Venezuela between
2017 and 2018; and an evaluation of consequence of using a different combinations of number
of points, quadrats, and transects over the multivariate precision

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