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97 results for “Atlantic cod”
FIG. 2 in Predicting Eco-evolutionary Impacts of Fishing on Body Size and Trophic Role of Atlantic Cod
FIG. 2. (A) Age distribution of mature females in the unfished population. (B) Age distribution of mature females after size-selective fishing mortality. Note that growth, maturation, and fecundity functions are fixed functions of age and do not change with additional mortality (solid lines, Fig. 1B, C). Inset: Fishery selectivity (risk of fishing mortality) increases steeply with length. (C) Age distribution of mature females when maturation age decreases in response to size-selective fishing (dashed lines, Fig. 1B, C). Selectivity is identical to the inset in panel B.
FIG. 1 in Predicting Eco-evolutionary Impacts of Fishing on Body Size and Trophic Role of Atlantic Cod
FIG. 1. Functions describing (A) somatic growth, (B) maturation, and (C) fecundity with age of our representative species, the Georges Bank stock of Atlantic Cod (GADUS MORHUA). A maturation ogive is the cumulative probability that an individual is mature. Black lines represent fixed relationships; dashed lines are plastic or evolutionary changes that occur with the advent of size-selective mortality. The decrease in size and age at maturation (dashed line, panel B) could be due to selection for earlier reproduction or due to lower relative size or density.
FIG. 3 in Predicting Eco-evolutionary Impacts of Fishing on Body Size and Trophic Role of Atlantic Cod
FIG. 3. Size structure of the three populations in Figure 2. (A) The unfished population, (B) size-structure after fishing if maturation probability does not change, (C) size-structure after fishing when maturation decreases as a response to size-selective mortality. In this example, fishing mortality FMAX ¼ 0.4.
FIG. 4 in Predicting Eco-evolutionary Impacts of Fishing on Body Size and Trophic Role of Atlantic Cod
FIG. 4. Distributions of trophic level in the three scenarios: unfished baseline (white), demography-only with fixed age at maturation (black) and demography-plus-trait-change, with plastic or evolutionary change in age at maturation (gray). Note that gray bars are always equal to or greater than black bars in height.
Bait sets for Atlantic salmon, Atlantic cod and Tiger shark
<p>Bait sets for Atlantic salmon, Atlantic cod and Tiger Shark, in FASTA file format. Each line string starting with ">" corresponds to the name of the contig/chromosome/linkage group where the bait sequence is designed from, followed by the base pairs where the bait sequence starts and ends. For salmon/cod, we include 20 extra sequences for the Random regions.</p>
Life‐stage‐dependent supergene haplotype frequencies and metapopulation neutral genetic patterns of Atlantic cod, Gadus morhua, from Canada's Northern cod stock region and adjacent areas
<p class="BodyA">Among highly migratory fish species, nursery areas occupied by juveniles often differ from adult habitats. To better understand the spatial dynamics of Canada's Northern cod stock, juveniles caught off the east coast of Newfoundland and Labrador were compared to adults from the same region as well as individuals from other areas in Atlantic Canada using ddRAD-derived SNPs. A reduced proportion of homozygotes with a chromosomal inversion located in LG1 was detected between juvenile and adult samples in the Northern cod stock region, potentially indicating age-dependent habitat use or ontogenetic selection for attributes associated with the many genes located in LG1. No neutral genetic differences were found between samples from the Northern cod stock; however, significant differences were found between some of these samples and cod collected from St. Pierre Bank, Bay of Fundy, Browns Bank and the southern Scotian Shelf. Clustering analysis of variants at neutral loci provided evidence for three major genetic units: 1) the Newfoundland Atlantic Coast, 2) eastern and southern Gulf of St. Lawrence and Burgeo Bank, and 3) the Bay of Fundy, Browns Bank and southern Scotian Shelf. Both adaptive and neutral population structure within the Northern cod stock should be considered by managers to promote rebuilding.</p>
Raw EK80 echosounder data of Atlantic cod collected by wideband autonomous transceiver in mesocosm AZKABAN 2023-01-20
<p>Broadband active acoustic measurements using two echosounders (90-170 kHz and 185-255 kHz) of Atlantic cod (Gadus morhua) collected in Kongsfjorden and Krossfjorden in a mesocosm (2m x 2m x 8m). The experiment was completed from the wharf in Ny-Ålesund. The fileset includes measurements from the experiment of January 20, 2023 and the raw CTD data. Calibration data is available <a href="https://doi.org/10.5281/zenodo.8289670">https://doi.org/10.5281/zenodo.8289670</a></p>
Data from: Genome architecture enables local adaptation of Atlantic cod despite high connectivity
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Data from: Microevolution in time and space: SNP analysis of historical DNA reveals dynamic signatures of selection in Atlantic cod
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The Pantophysin gene and its relationship with survival in Atlantic cod
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Data from: Range-wide genomic data synthesis reveals transatlantic vicariance and secondary contact in Atlantic cod
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Data from: Behavioural responses of Atlantic cod to sea temperature changes
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Data from: Chromosomal inversions in the Atlantic cod genome: implications for management of Canada’s Northern cod stock
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Data from: Trans-oceanic genomic divergence of Atlantic cod ecotypes is associated with large inversions
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Data from: Genomic divergence between the migratory and stationary ecotypes of Atlantic cod
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Data from: Fine-scale population differences in Atlantic cod reproductive success: a potential mechanism for ecological speciation in a marine fish
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Low-coverage whole-genome sequencing reveals molecular markers for spawning season and sex identification in Gulf of Maine Atlantic cod (Gadus morhua, Linnaeus 1758)
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Data from: Can we rely on selected genetic markers for population identification? evidence from coastal Atlantic cod
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Data from: Population structure in Atlantic cod in the eastern North Sea-Skagerrak-Kattegat: early life stage dispersal and adult migration
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Data from: Spatiotemporal SNP analysis reveals pronounced biocomplexity at the northern range margin of Atlantic cod Gadus morhua
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