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Age and Growth Results

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Species Collected: Age and Growth Studies in the Northeast

This table lists the species for which we currently collect age samples, along with the structures and preparation methods for each one. Various additional species have been collected in the past, and structures collected historically may be different.

Fish Scale Image Analysis of the Atlantic Salmon Ecosystems Research Team

Using Atlantic salmon scales to assess smolt and adult populations.

Precision Templates for Ageing

These templates were designed to automate the calculation of measures of ageing precision (including percent agreement, coefficient of variance, and symmetry tests) and plot results for paired age data.
May 06, 2022 - Tool/App ,
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Accuracy and Precision of Fish Ages - Northeast

It is important to ensure consistency in fish ages used in fish population assessments. The Fishery Biology Program in the Northeast conducts age and growth studies and completes regular testing to provide measures of consistency and accuracy.
January 05, 2021 - Data Set ,
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Fish Life History Research on the West Coast

We sample marine animals to "see" into the ocean.

Salmon Life History Research in California’s Central Valley

Our team uses microchemical analyses to quantify salmon life history diversity across freshwater, estuarine, and marine ecosystems to improve conservation, management, and recovery.

Fisheries Assessment and Modeling Research on California Salmon and Groundfish

Our team performs stock assessments and conducts research focused on improving fisheries management.

Habitat and Groundfish Ecology Research in the California Current

Our team performs stock assessments and studies demersal communities and habitat assemblages to ensure sustainable and effective management of marine ecosystems.

West Coast Groundfish Reproduction Research

Understanding population dynamics to support sustainable fisheries.

Near-Infrared Technology Identifies Fish Species From Otoliths

An innovative use of near-infrared technology could provide essential information for sustainable fisheries management faster.
July 06, 2020 - Feature Story ,
Map of United States with different fish species along the coasts that show where each species lives