Results 21 to 30 of about 2,013 (215)

Tamaño óptimo de muestra del programa de observadores a bordo de la flota dirigida a la explotación de la anchoveta peruana (Engraulis ringens)

open access: yesRevista Peruana de Biología, 2016
El monitoreo de la pesquería de anchoveta en el Perú es de suma importancia para la sostenibilidad del ecosistema de Humboldt. El Programa de observadores a bordo Bitácoras de Pesca constituye una rica plataforma de recolección de datos de las ...
Rocío Joo   +3 more
doaj   +1 more source

Sex-Specific Variation in Foraging Behavior is Related to Telomere Length in a Long-Lived Seabird. [PDF]

open access: yesEcol Evol
Foraging during breeding is energetically demanding, intimately linked to breeding investment, and possibly constrained by individual condition. Telomere length, the protective nucleoproteins located at the ends of the chromosomes, is considered a trait reflecting somatic maintenance and individual quality. We found that brown booby females with longer
Guillen-Parra M   +5 more
europepmc   +2 more sources

Un caso de la modelización de series de tiempo bivariada para determinar el orden de los hiperparámetros en el modelo estructural

open access: yesPesquimat, 2016
Se busca formular modelos que expliquen la captura - desembarque de anchoveta en función de periodos fríos y cálidos en el mar peruano frente a las costas del Callao.
Rosa Medina, Ana Cárdenas
doaj   +1 more source

Information and Spillovers from Targeting Policy in Peru's Anchoveta Fishery

open access: yesSSRN Electronic Journal, 2021
This paper establishes that a targeted policy backfires because it reveals information about nontargeted units. In the world’s largest fishery, the regulator attempts to reduce the harvesting of juvenile fish by temporarily closing areas where the share of juvenile catch is high. By combining administrative microdata with biologically richer data from
openaire   +2 more sources

Efectos del fenómeno "El Niño 1997-98" sobre los principales recursos pelágicos en la costa peruana

open access: yesRevista Peruana de Biología, 2014
En el período abril 1997 setiembre 1998 fueron realizados 5 cruceros de evaluación de los recursos pelágicos en la costa peruana, éstos permitieron observar cambios en la composición por especies, distribución, estructura por tamaño, reproducción y ...
Miguel Ñiquen   +3 more
doaj   +1 more source

A Deep Dive into the Trophic Ecology of Engraulis ringens: Assessing Diet Through Stomach Content and Stable Isotope Analysis

open access: yesFishes
Our study investigates the trophic ecology of the anchoveta (Engraulis ringens). The anchoveta plays a key role in the Greater Humboldt Ecosystem and is extensively exploited by countries from the south-eastern Pacific Ocean. For a comprehensive study of
Carolina Cárcamo   +4 more
doaj   +1 more source

The Fish Behind Fish Feed: Rethinking Transparency Using DNA Tools

open access: yesFish and Fisheries, Volume 27, Issue 3, Page 771-780, May 2026.
ABSTRACT Aquaculture is now the fastest growing food sector and may be a promising solution to increasing seafood demands. Yet, carnivorous aquaculture species such as salmon and seabass continue to rely on fishmeal and fish oil (FMFO), which are derived largely from pelagic fish that are sometimes key to the food security of some coastal nations. This
Marine Cusa   +4 more
wiley   +1 more source

Sistemas lineales dinámicos invariantes en series cronológicas, con aplicaciones a estudios acuáticos y climatológicos del Perú

open access: yesInterfases, 2012
En el presente artículo se desarrollan los procesos que generan las series de tiempo como sistemas lineales dinámicos invariantes, con una aplicación al modelamiento del desembarque de anchoveta en el litoral peruano como serie de entrada y la ...
Rosa Fátima Medina-Merino
doaj   +1 more source

Evaluating Post‐Survey Otolith Subsampling Strategies for a Small‐Bodied, Fast‐Growing Pelagic Fish for Inclusion in Stock Assessments

open access: yesFisheries Management and Ecology, Volume 33, Issue 1, Page 24-39, February 2026.
ABSTRACT Identifying efficient otolith subsampling strategies that maintain data quality for stock assessments is imperative given limited resources to meet age‐estimation demands of managed fish stocks. Our objective was to evaluate the performance of three different subsampling strategies: (1) fixed otolith subsampling, (2) proportional otolith ...
B. D. Schwartzkopf   +5 more
wiley   +1 more source

Biología de la Anchoveta [PDF]

open access: yes, 1954
Se ha recolectado suficiente material de estudio como para formular las afirmaciones generales que acerca de la anchoveta se presentan en este informe.
Clark, Frances N.
core  

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