2 Works

Data from: Effective size of a wild salmonid population is greatly reduced by hatchery supplementation

Mark R. Christie, Melanie L. Marine, Rod A. French, Robin S. Waples & Michael S. Blouin
Many declining and commercially important populations are supplemented with captive-born individuals that are intentionally released into the wild. These supplementation programs often create large numbers of offspring from relatively few breeding adults, which can have substantial population-level effects. We examined the genetic effects of supplementation on a wild population of steelhead trout (Oncorhynchus mykiss) from the Hood River, Oregon, by matching 12 run-years of hatchery steelhead back to their broodstock parents. We show that the...

Data from: Hybridization of Southern Hemisphere blue whale subspecies and a sympatric area off Antarctica: impacts of whaling or climate change?

Catherine R. M. Attard, Luciano B. Beheregaray, K. Curt S. Jenner, Peter C. Gill, Micheline- N. Jenner, Margaret G. Morrice, Kelly M. Robertson & Luciana M. Möller
Understanding the degree of genetic exchange between subspecies and populations is vital for the appropriate management of endangered species. Blue whales (Balaenoptera musculus) have two recognized Southern Hemisphere subspecies that show differences in geographic distribution, morphology, vocalizations and genetics. During the austral summer feeding season the pygmy blue whale (B. m. brevicauda) is found in temperate waters and the Antarctic blue whale (B. m. intermedia) in polar waters. Here we used genetic analyses to report...

Registration Year

  • 2012
    2

Resource Types

  • Dataset
    2

Affiliations

  • National Oceanic and Atmospheric Administration
    2
  • Oregon Department of Fish and Wildlife
    1
  • Oregon State University
    1
  • Flinders University
    1
  • Macquarie University
    1
  • Southwest Fisheries Science Center
    1
  • Center for Whale Research
    1