Analysis of Migratory Catfish Production from Artisanal Fishing in the Middle Madeira Sub-Basin Using New Monitoring Methods, Southwestern Amazon

Figure 5

Canonical correspondence analysis (CCA) of volumes captured in kilograms (kg) for Pimelodidae species registered in artisanal fisheries in the middle Madeira River subbasin, according to fishing excursions and types of capture environment (2018 to 2019), in relation to the variables: hydrological level, environment, number of days fished, number of support vessels, and distance between capture and landing sites (Pse faz: Pseudoplatystoma punticfer; Pse tig: Pseudoplatystoma tigrinum; Phr hem: Phractocephalus hemioliopterus; Bra rou: Brachyplatystoma rousseauxii; Bra fil: Brachyplatystoma filamentosum; Sor pla: Sorubimichthys planiceps; Lei mar: Leiarius marmoratus; Bra pla: Brachyplatystoma platynemum; Hyp mar: Hypophthalmus marginatus; Pir pir: Pinirampus pirinampu; Zun zun: Zungaro zungaro; Bra vai: Brachyplatystoma vaillantii; Sor lim: Sorubim lima) (dots correspond to locations and capture environments; black dots represent rivers; red dots represent lakes; blue dots represent “igarapés” or stream).