BioIndex: Biological Indicators and Indices for MEDITS Survey Data

Supports the standardized analysis of Mediterranean International Bottom Trawl Survey (MEDITS) data and the calculation of biological indicators for selected species and population components. The package provides functions to estimate abundance and biomass indices, analyse size structure and length frequency distributions, derive sex ratio and maturity related metrics, explore spatial patterns, and assess temporal trends across surveys. Developed for integration within the Regional Database for Fisheries (RDBFIS) framework, it is intended to work on quality checked input data and to produce reproducible outputs that can support monitoring, comparative analyses among Geographical Sub-Areas (GSAs) and countries, and fishery management.

Version:	0.6.4
Depends:	R (≥ 4.1)
Imports:	dplyr, ggplot2, gridExtra, hms, magrittr, marmap, methods, mgcv, reshape2, shiny, shinyjs, stringr, terra, tidyterra, zip
Suggests:	knitr, mapproj, maps (≥ 3.4.1), rmarkdown
Published:	2026-05-29
DOI:	10.32614/CRAN.package.BioIndex (may not be active yet)
Author:	Walter Zupa [aut, cre], Loredana Casciaro [rev], Cosmidano Neglia [rev], Isabella Bitetto [rev], Maria Teresa Spedicato [aut]
Maintainer:	Walter Zupa <zupa at fondazionecoispa.org>
License:	GPL-3
NeedsCompilation:	no
Materials:	README, NEWS
CRAN checks:	BioIndex results

Documentation:

Reference manual:	BioIndex.html , BioIndex.pdf
Vignettes:	BioIndex (source, R code)

Downloads:

Package source:	BioIndex_0.6.4.tar.gz
Windows binaries:	r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries:	r-release (arm64): BioIndex_0.6.4.tgz, r-oldrel (arm64): BioIndex_0.6.4.tgz, r-release (x86_64): BioIndex_0.6.4.tgz, r-oldrel (x86_64): BioIndex_0.6.4.tgz

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