Fig 1.
Number of articles and new species of Siluriformes described from the Neotropical region per year.
Period analyzed between January 1990 and August 2014.
Fig 2.
Journals with largest number of new species descriptions.
Black bars represent the new species frequency (%) and gray dots represent the given weight of each journal. Numbers above the bars represent the number of papers with new species descriptions for each journal. NI—Neotropical Ichthyology; COP—Copeia; IEF–Ichthyological Exploration of Freshwaters; ZTX—Zootaxa; RSZ–Revue Suisse de Zoologie; PBSW–Proceedings of the Biological Society of Washington; VZ–Vertebrate Zoology; CYB–Cybium; ISZ–Iheringia Serie Zoologia; BAMNH–Bulletin of the American Museum of Natural History.
Fig 3.
Correlation between the percentages of papers per journal and its respective 2-year impact factor.
Dots represents each journal.
Fig 4.
Correlation between the number of valid species and the number of new species described per family.
Families well sampled were below the line and low sampled above the line.
Fig 5.
Annual mean number of authors and coauthors per article describing new Siluriformes species.
Period analyzed between January 1990 and August 2014.
Fig 6.
Production, productivity per author and per age group of authors of new Siluriformes species descriptions.
Production, black columns, y1 axis; Productivity per author, grey columns, y2 axis; Productivity per age group, striped columns, y2 axis.
Fig 7.
New species described by (A) country of the first author’s institution and (B) percentage of the number of researchers describing new species per state in Brazil.
SP—São Paulo; RJ—Rio de Janeiro; RS—Rio Grande do Sul; PA—Pará; PR—Paraná; MG—Minas Gerais; AM—Amazonas; ES—Espírito Santo; MT—Mato Grosso; RN—Rio Grande do Norte; BA—Bahia; GO—Goiás; MA—Maranhão; MS—Mato Grosso do Sul; PI—Piauí; SC—Santa Catarina; TO—Tocantins.
Fig 8.
Geographic distribution of new Siluriformes species by ecoregion of the Neotropical region.
Ecoregions according to Abell et al. [23].
Fig 9.
Accumulation curve of the annual production of new Siluriformes species described in the Neotropical region.
Curve obtained with piecewise linear regression with breakpoint.
Fig 10.
Simulated scenarios with logistic models using different growth rates (r).
Extrapolation of the accumulation curve of real data until reaching the value estimated by Jackknife2 = K = 3,167.