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Publications (13)
The subpopulation of leatherback turtles Dermochelys coriacea in the eastern Pacific Ocean is classified as Critically Endangered due to multiple anthropogenic threats, the most urgent of which remains mortality at sea from fisheries interactions. Here we used satellite telemetry to assess the post-capture movements of leatherbacks in foraging grou...
The post-capture movements made by hawksbill sea turtles Eretmochelys imbricata in the southeast Pacific Ocean were monitored between 2014 and 2017. A total of 8 hawksbill turtles were fitted with satellite transmitters and released in Sechura Bay, northern Peru. All turtles were classified as juveniles (curved carapace length range: 34.7-47.5 cm)...
From December 2012 to June 2014, 796 Pacific guitarfish were caught in 183 fishing sets in northern Peru. Catch occurred in 86.3% of sets. Most individuals caught were mature with a bias toward males. The mean total length for females and males was 83.4 cm, and 91.1 cm, respectively. The capture per unit effort (CPUE) was 12.6 ± 3.4 guitarfish (km....
Failure to improve the conservation status of endangered species is often related to inadequate allocation of conservation resources to highest priority issues. Eastern Pacific (EP) leatherbacks are perhaps the most endangered sea turtle population in the world, and continue on a path to regional extinction. To provide coherent, regional conservati...
Bycatch in net fisheries is recognized as a major source of mortality for many marine species, including seabirds. Few mitigation solutions, however, have been identified. We assessed the effectiveness of illuminating fishing nets with green light emitting diodes (LEDs) to reduce the incidental capture of seabirds. Experiments were conducted in the...
Small-scale fisheries can greatly impact threatened marine fauna. Peru's small-scale elasmobranch gillnet fishery captures thousands of sharks and rays each year, and incidentally captures sea turtles, marine mammals and seabirds. We assessed the ability of a dedicated fisheries remote electronic monitoring (REM) camera to identify and quantify cap...
Diet and food preferences of the green turtle Chelonia mydas were analyzed based on digestive tract contents of dead specimens caught incidentally by an artisanal gillnet fishery in Sechura Bay, northern Peru. We examined 27 digestive tracts and identified 35 prey items. The sampled turtles were all juveniles (CCL = 53.7 ± 1.2 cm, range 40.5-67.0 c...
Gillnets are recognized globally as one of the fishing gears with the highest levels of bycatch and mortality of sea turtles. Through onboard observer monitoring from July 2013 to June 2014 we assessed the bycatch of sea turtles by an artisanal gillnet fishery operating from Sechura Bay, Peru. One hundred and four sea turtles were incidentally caug...
En el presente estudio, se realizaron un total de 179 viajes a bordo de embarcaciones artesanales pesqueras en 4 diferentes localidades del norte del Perú. Se caracterizó su pesquería y se analizaron las capturas. Adicionalmente, se midieron y sexaron 3835 tiburones y 1358 rayas, donde la especie de tiburón y raya de mayor abundancia fue Sphyrna zy...
Gillnet fisheries exist throughout the oceans and have been implicated in high bycatch rates of sea turtles. In this study, we examined the effectiveness of illuminating nets with light-emitting diodes (LEDs), placed on floatlines in order to reduce sea turtle bycatch in a small-scale bottom-set gillnet fishery. In Sechura Bay, Northern Peru, 114 p...