83 Works

Data from: Maternal diet and age alter direct and indirect relationships between life history traits across multiple generations

Jared M. Goos, Cameron J. Swain, Stephan B. Munch & Matthew R. Walsh
1. Maternal age has important consequences for offspring fitness, with influences on size, development, and reproductive schedules. Such maternal age effects may be driven by differential provisioning of resources, yet little is known about the role of environmental supply of nutritional resources in mediating such effects. 2. We tested the influence of limiting nutritional resource, dietary phosphorus (P), on maternal age effects across multiple generations by examining the potential interactive effects of maternal nutrition and...

Data from: Integrating lipid storage into general representations of fish energetics

Benjamin T. Martin, Ron Heintz, Eric M. Danner & Roger M. Nisbet
Fish, even of the same species, can exhibit substantial variation in energy density (energy per unit wet weight). Most of this variation is due to differences in the amount of storage lipids. In addition to their importance as energy reserves for reproduction and for survival during unfavourable conditions, the accumulation of lipids represents a large energetic flux for many species, so figuring out how this energy flux is integrated with other major energy fluxes (growth,...

Data from: Discovery and characterization of single nucleotide polymorphisms in two anadromous alosine fishes of conservation concern

Diana S. Baetscher, Daniel J. Hasselman, Kerry Reid, Eric P. Palkovacs & John Carlos Garza
Freshwater habitat alteration and marine fisheries can affect anadromous fish species, and populations fluctuating in size elicit conservation concern and coordinated management. We describe the development and characterization of two sets of 96 single nucleotide polymorphism (SNP) assays for two species of anadromous alosine fishes, alewife and blueback herring (collectively known as river herring), that are native to the Atlantic coast of North America. We used data from high-throughput DNA sequencing to discover SNPs and...

Data from: Abundance, survival, and annual rate of change in Cuvier's beaked whales (Ziphius cavirostris) on a Navy sonar range

K. Alexandra Curtis, Erin A. Falcone, Gregory S. Schorr, Jeffrey E. Moore, David J. Moretti, Jay Barlow & Erin Keene
Bayesian mark-recapture estimates of survival, abundance, and trend are reported for Cuvier’s beaked whales (Ziphius cavirostris) using a Navy training range off southern California. The deep-diving beaked whale family is exceptionally vulnerable to mid-frequency active sonar (MFAS), which has been implicated in mass strandings and altered foraging behavior. Extremely low sighting probabilities impede studies of population-level impacts of MFAS on beaked whales. The San Nicolas Basin hosts a Navy training range subject to frequent MFAS...

Positive selection and inactivation in vision and hearing genes of cetaceans

Michael McGowen, Georgia Tsagkogeorga, Joseph Williamson, Phillip Morin & Stephen Rossiter
The transition to an aquatic lifestyle in cetaceans (whales and dolphins) resulted in a radical transformation in their sensory systems. Toothed whales acquired specialized high-frequency hearing tied to the evolution of echolocation, while baleen whales evolved low-frequency hearing. More generally, all cetaceans show adaptations for hearing and seeing underwater. To determine the extent to which these phenotypic changes have been driven by molecular adaptation, we performed large-scale targeted sequence capture of 179 sensory genes across...

Large-scale patterns of green turtle trophic ecology in the eastern Pacific Ocean

Jeffrey Seminoff
Trophic position and niche width are fundamental components of a species’ ecology, reflecting resource use, and influencing key demographic parameters such as somatic growth, maturation, and survival. The present data file contains results of stable isotope analysis (stable-carbon, δ13C; stable-nitrogen, δ15N values) that was conducted on bulk skin tissue of 718 green sea turtles (Chelonia mydas) distributed among 16 foraging areas in the eastern Pacific from the US to Chile, a range spanning ~10,000 km....

Quantifying thermal exposure for migratory riverine species: phenology of Chinook salmon populations predicts thermal stress

Alyssa FitzGerald, Sara John, Travis Apgar, Nathan Mantua & Benjamin Martin
Migratory species are particularly vulnerable to climate change because habitat throughout their entire migration cycle must be suitable for the species to persist. For migratory species in rivers, predicting climate change impacts is especially difficult because there is a lack of spatially-continuous and seasonally-varying stream temperature data, habitat conditions can vary for an individual throughout its life cycle, and vulnerability can vary by life stage and season. To predict thermal impacts on migratory riverine populations,...

Tuna Species of the U.S. West Coast: A Photographic Identification Guide

Liana N. Heberer, Heidi Dewar, Owyn E. Snodgrass & David G. Itano
NOAA technical memorandum NMFS NOAA-TM-NMFS-SWFSC ; 624

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