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Showing posts with label Fisheries. Show all posts
Showing posts with label Fisheries. Show all posts
Saturday, May 13, 2023
Sunday, July 10, 2022
Lower selectivity can help heavily exploited fish populations
Highlights
•Selective pressure-induced negative changes on fish populations can be mitigated with lower selectivity, favouring functionality and population recovery.
•The strong selectivity on individuals of a heavily exploited population can adversely affect the reproductive capacity of the population, the recruitment, the population structure stability, among other key characteristics.
•Within an exploited population the genetically-determined individuals to mature at larger size (and reproduce when they are older), are natural candidates to gradually disappear with the current fishery approach, and within the framework of the classical measures of protection (e.g. the criterion of minimum length of catch).
•Selective pressure-induced negative changes on fish populations can be mitigated with lower selectivity, favouring functionality and population recovery.
•The strong selectivity on individuals of a heavily exploited population can adversely affect the reproductive capacity of the population, the recruitment, the population structure stability, among other key characteristics.
•Within an exploited population the genetically-determined individuals to mature at larger size (and reproduce when they are older), are natural candidates to gradually disappear with the current fishery approach, and within the framework of the classical measures of protection (e.g. the criterion of minimum length of catch).
Puedes leer el artículo aquí
Climate vulnerability assessment of key fishery resources in the Northern Humboldt Current System
Los #invertebrados #bentónicos (choros, palabritas, almejas, pulpo, caracoles, etc.) están entre las especies explotadas más vulnerables frente al #cambioclimático. Son los menos estudiados, hay menor esfuerzo de investigación, el monitoreo y control aún es deficiente y no abarca por igual a todo el espectro de especies. El Sistema de la Corriente de #Humboldt frente a #Perú es el más productivo en términos pesqueros y también es una de las regiones del océano más amenazadas por eventos de gran escala como el CC. En este paper presentamos una evaluación al respecto para las principales especies de peces e invertebrados comerciales del país (la región Humboldt).
Puedes leer el artículo aquí
Tuesday, August 4, 2020
Thursday, April 2, 2020
Saturday, December 21, 2019
Saturday, July 27, 2019
Sunday, May 12, 2019
Tracking the Peruvian Industrial Fishery
By sharing its VMS data with Global Fishing Watch, Peru has demonstrated great leadership in data transparency, now making it possible for anyone to follow a Peruvian anchovy vessel from port back to fishing grounds. Learn more: https://t.co/gtzPXfzBdM
— Global Fishing Watch (@GlobalFishWatch) May 9, 2019
Sunday, February 18, 2018
Wednesday, December 6, 2017
Saturday, October 29, 2016
Monday, October 10, 2016
Sunday, October 2, 2016
Wednesday, March 16, 2016
Wednesday, October 28, 2015
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