TABLE 1 in Stream fish assemblages in the Eastern Amazon: the role of small tetras (Characidae) in alpha diversity and taxonomic structure

TABLE 1 | General characteristics of each protected area where fish samples were collected (*from ISA, 2024; **obtained in field). Parque Nacional da AmazôniaParque Nacional do JamanximFloresta Nacional Saracá-TaqueraReserva Biológica Nascentes da Serra do CachimboAbbreviationPARNA AMPARNA JXFLONA STREBIO SCStatusNational ParkNational ParkNational ForestNational Biological ReserveProtection category*Full protectionFull protectionSustainable useFull protectionLegal instrument*Federal Decree nº 73683, of 19/February/1974Federal Law nº 13425, of 19/ June/2017Federal Decree n° 98704, of 27/ December/1989Federal Decree unnumbered, of 20/ May/2005Area (hectare)*1,000,000858,860429,600342,478Phytophysiognomies*Ombrophilous Dense ForestOpen Ombrophilous Forest and Ombrophilous Dense ForestOmbrophilous Dense ForestEcotone Savannah-Seasonal Forest and Open Ombrophilous ForestMain drainagesTapajósTapajósTrombetasXingu and TapajósMain land use categoriesPasturePastureMiningPastureSampling period09–30/November/202117/July–08/ August/202202–26/October/202208–29/May/2023Number of sampled streams29282418Physical and chemical variables (mean ± standard deviation)**Water temperature (ºC)25.9 ± 1.117.7 ± 4.625.5 ± 0.624.7 ± 0.9Conductivity (µS/cm2)28.3 ± 23.323.9 ± 0.98.3 ± 1.421.7 ± 20.7Dissolved oxygen (mg/l)8.9 ± 6.34.5 ± 1.13.9 ± 0.96.1 ± 1.4