TABLE 3 in Stream fish assemblages in the Eastern Amazon: the role of small tetras (Characidae) in alpha diversity and taxonomic structure

TABLE 3 | Fish assemblages’ descriptors derived from 99 stream reaches from Parque Nacional da Amazônia (PARNA AM), Parque Nacional do Jamanxim (PARNA JX), Floresta Nacional Saracá-Taquera (FLONA ST), and Reserva Biológica Nascentes da Serra do Cachimbo (REBIO SC). Fish assemblages’ descriptorsPARNA AMPARNA JXFLONA STREBIO SCNumber of records414561244137Abundance3,6786,0972,7361,056Species richness901013448Number of genera57683036Species richness per stream / min–max[mean]3–22[14]2–34[20]4–17[10]1–16[7]Shannon-Wiener diversity / min–max[mean]1.3–3.9[2.7]1.0–4.4[3.0]1.4–3.0[2.2]0–3.2[1.7]Berger-Parker dominance / min–max[mean]0.2–0.9[0.4]0.1–0.6[0.3]0.3–0.7[0.5]0.2–1.0[0.6]Hill numbers: q = 0 / min–max[mean]2.5–14.7[5.7]2.0–21.6[3.9]2.9–8.1[4.8]1–9.2[3.2]q = 1 / min–max[mean]1.7–11.3[4.1]2.0–15.9[4.5]1.9–6.4[3.3]1–7.2[2.1]% of singletons (species with only one individual)15.5610.895.9925.00% of uniques (species that occur in one sample)33.3324.755.9937.50Abundance Coverage Estimator (ACE)1011073560Completeness based on ACE (%)89949780Incidence Coverage Estimator (ICE)1171213564Completeness based on ICE (%)76839775Average distinctness (Delta+)85.2±5.487.6±4.792.4±3.783.3±22.4Variation in taxonomic distinctness (Lambda+)405.1±146.6342.1±109.7204.4±90.8261.4±203.3