81 Works

Data from: Dietary antioxidants attenuate the endocrine stress response during long-duration flight of a migratory bird

Stefania Casagrande, Kristen Demoranville, Lisa Trost, Barbara Pierce, Amadeusz Bryla, Maciej Dzialo, Edyta Sadowska, Ulf Bauchinger & Scott McWilliams
Glucocorticoids (GCs) are metabolic hormones that promote catabolic processes, which release stored energy and support high metabolic demands such as during prolonged flights of migrating birds. Dietary antioxidants (e.g., anthocyanins) support metabolism by quenching excess reactive oxygen species produced during aerobic metabolism, and also by activating metabolic pathways that, similar to GCs’ function, release stored energy, although the extent of complementarity between GCs and dietary antioxidants is not well known. If anthocyanins complement GCs functions,...

Collaborative research: Quantifying the biological, chemical, and physical linkages between chemosynthetic communities and the surrounding deep sea

Oliver Ashford
The deep ocean supplies food, energy, novel drugs and materials, and plays essential roles in the global cycling of carbon, the nutrient replenishment for shallow waters, and the maintenance of biodiversity. Despite the crucial contribution of the deep sea to the larger functioning of global marine ecosystems, there is only a cursory understanding of this vast region and the connectivity among its communities and the rest of the oceans. Cold seeps, active areas of the...

Selection of indicators for assessing and managing the impacts of bottom trawling on seabed habitats

Jan Geert Hiddink, Michel Kaiser, Marija Sciberras, Robert McConnaughey, Tessa Mazor, Ray Hilborn, Jeremy Collie, C. Roland Pitcher, Ana Parma, Petri Suuronen, Adriaan Rijnsdorp & Simon Jennings
1. Bottom-trawl fisheries are the most-widespread source of anthropogenic physical disturbance to seabed habitats. Development of fisheries-, conservation- and ecosystem-based management strategies requires the selection of indicators of the impact of bottom trawling on the state of benthic biota. Many indicators have been proposed, but no rigorous test of a range of candidate indicators against 9 commonly-agreed criteria (concreteness, theoretical basis, public awareness, cost, measurement, historical data, sensitivity, responsiveness, specificity) has been performed. 2. Here,...

Malaria vector mosquito images

Jannelle Couret
We created a novel database of mosquito images by sampling live mosquitoes from established colonies maintained by the Malaria Research and Reference Reagent Resource (MR4)/ Biodefense and Emerging Infections (BEI) Resources at the Centers for Disease Control and Prevention (CDC) in Atlanta, GA. Adults of both sexes were imaged from 15 species of mosquitoes from there genera, 13 Anopheles, 2 Culex and 1 Aedes. There are a total of 1,709 images. We included an additional...

Host-parasite interactions between a copepod (Pharodes tortugensis) and small reef-associated gobies (Coryphopterus) in the British Virgin Islands

Graham Forrester & Rachel Finley
The effects of parasitic copepods on free-living hosts are infrequently documented, and the copepod Pharodes tortugensis has remained virtually unstudied since described. For the first time, we document its host range in the British Virgin Islands (BVI), the prevalence and intensity of infections on wild hosts, and its impacts on host morphology and performance. Infections were observed on four benthic gobies in the BVI (Coryphopterus glaucofraenum, C. venezuelae, C. dicrus and C. eidolon) but not...

Data associated with: Minor genetic consequences of a major mass mortality: Short-term effects in Pisaster ochraceus

Lauren Schiebelhut, Melina Giakoumis, Rita Castilho, Paige Duffin, Jonathan Puritz, John Wares, Gary Wessel & Michael Dawson
Mass mortality events (MMEs) are increasing globally in frequency and magnitude, largely due to human-induced change. The effects of these MMEs, both in the long- and short-term, are of imminent concern because of their ecosystem impacts. Genomic data can be used to reveal some of the population-level changes associated with MMEs. Here, we use reduced-representation sequencing to identify potential short-term genetic impacts of an MME associated with a sea star wasting (SSW) outbreak. We tested...

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