Results 11 to 20 of about 781,882 (312)

Growth Parameters and Mortality Rates Estimated for Seven Data-Deficient Fishes from the Azores Based on Length-Frequency Data

open access: yesLife, 2022
Given the scarcity of information suitable for stock assessments, the growth and mortality of seven exploited marine fishes in Azorean waters were estimated based on length-frequency data. The studied species were Trachurus picturatus, Sparisoma cretense,
Régis Santos   +4 more
doaj   +1 more source

Evaluating Stock Status of 16 Commercial Fish Species in the Coastal and Offshore Waters of Taiwan Using the CMSY and BSM Methods

open access: yesFrontiers in Marine Science, 2020
The waters around Taiwan are impacted by the Kuroshio and coastal currents, resulting in a high productivity and a high diversity of marine life. As a consequence, there are a multitude of fisheries around Taiwan, conducted by a fleet that has grown ...
Peilong Ju   +11 more
doaj   +1 more source

Biological Knowledge of Thornback Ray (Raja clavata) from the Azores: Improving Scientific Information for the Effectiveness of Species-Specific Management Measures

open access: yesBiology, 2021
Elasmobranchs are globally recognized as vulnerable due to their life-history characteristics, fishing pressure, and habitat degradation. Among the skates and rays caught by commercial fisheries, the thornback ray Raja clavata is one of the most ...
Régis Santos   +4 more
doaj   +1 more source

Current state of ichthyofauna and prospects of fish-husbandry utilization of the Syrdarya River delta lakes

open access: yesCentral Asian Journal of Water Research, 2021
The article reviews the issues of forming fish populations and studying the current state of commercial fish species in the delta lakes of the Syrdarya River for subsequent effective development of fish farming.
T. Adayev   +2 more
doaj   +1 more source

Feeding Habit-Specific Heavy Metal Bioaccumulation and Health Risk Assessment of Fish in a Tropical Reservoir in Southern China

open access: yesFishes, 2023
Dietary uptake is well known as the predominant pathway of heavy metal bioaccumulation in organisms. Our study used a typical tropical reservoir and fish as a modeling system to test the hypothesis that feeding habits and living habitats significantly ...
Di Wu   +8 more
doaj   +1 more source

Contributions to Management Strategies in the NE Atlantic Regarding the Life History and Population Structure of a Key Deep-Sea Fish (Mora Moro)

open access: yesBiology, 2021
With the commercial fishery expansion to deeper waters, some vulnerable deep-sea species have been increasingly captured. To reduce the fishing impacts on these species, exploitation and management must be based on detailed and precise information about ...
Régis Santos   +4 more
doaj   +1 more source

A test of the detection range of acoustic transmitters and receivers deployed in deep waters of Southeast Alaska, USA

open access: yesAnimal Biotelemetry, 2017
Background Movement data represent important inputs to both numerical and conceptual models that contribute to the assessment and management of sablefish (Anoplopoma fimbria) and Pacific halibut (Hippoglossus stenolepis) in the eastern North Pacific ...
Timothy Loher   +2 more
doaj   +1 more source

Loimologically significant pinniped helminths in Chukotka

open access: yesРоссийский паразитологический журнал, 2021
The purpose of the research is study of pinniped helminth fauna in Chukotka, and the analysis of the fish of the main commercial families infected with pathogens of helminthozoonoses based on modern literature.Materials and methods.
O. E. Davydova   +2 more
doaj   +1 more source

Incorporating deep and shallow components of genetic structure into the management of Alaskan red king crab

open access: yesEvolutionary Applications, 2012
Observed patterns of genetic variability among marine populations are shaped not only by contemporary levels of gene flow, but also by divergences during historical isolations.
William Stewart Grant, Wei Cheng
doaj   +1 more source

Recruitment variation disrupts the stability of alternative life histories in an exploited salmon population

open access: yesEvolutionary Applications, 2019
Males of many fish species exhibit alternative reproductive tactics, which can influence the maturation schedules, fishery productivity, and resilience to harvest of exploited populations.
Lukas B. DeFilippo   +6 more
doaj   +1 more source

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