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Astrid Jimenez Heredia

Astrid Jimenez Heredia
Prodelphinus NGO · LIMA

Biologist

About

9
Publications
8,733
Reads
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246
Citations
Citations since 2017
7 Research Items
238 Citations
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20172018201920202021202220230102030405060
20172018201920202021202220230102030405060

Publications

Publications (9)
Article
Full-text available
The Peruvian sea represents one of the most productive ocean ecosystems and possesses one of the largest elasmobranch fisheries in the Pacific Ocean. Ecosystem based management of these fisheries will require information on the trophic ecology of elasmobranchs. This study aimed to understand the diet, trophic interactions and the role of nine comme...
Article
Full-text available
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...
Article
Full-text available
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...
Article
Full-text available
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...
Article
Full-text available
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...
Article
Full-text available
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...
Poster
Full-text available
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...
Article
Full-text available
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...

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Project (1)
Project
The aim of the present research is to assess the artisanal elasmobranch fishery of northern Peru. We made an effort to describe and quantify this fishery in particular, evaluating biometrics data collected and estimating CPUE of main elasmobranchs captured. Also we characterized all fishermen operations in order to comprehend their activity.