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Browsing National Museum of Natural History by Author "Ostrom, Peggy H."

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Ancient DNA reveals genetic stability despite demographic decline: 3,000 years of population history in the endemic Hawaiian petrel

Welch, Andreanna J.; Wiley, Anne E.; James, Helen F.; Ostrom, Peggy H.; Stafford, Thomas W.; Fleischer, Robert C. (2012)

In the Hawaiian Islands human colonization, which began approximately 1200 to 800 years ago, marks the beginning of a period in which nearly 75% of the endemic avifauna became extinct and the population size and range of ...
Broad-scale trophic shift in the pelagic North Pacific revealed by an oceanic seabird

Ostrom, Peggy H.; Wiley, Anne E.; James, Helen F.; Rossman, Sam; Walker, William A.; Zipkin, Elise F.; Chikaraishi, Yoshito (2017)
Emerging techniques and sampling strategies for museum-based stable isotope studies of avian ecology

Wiley, Anne E.; James, Helen F.; Ostrom, Peggy H. (Studies in Avian Biology, no. 50. CRC Press, 2017)
Foraging segregation and genetic divergence between geographically proximate colonies of a highly mobile seabird

Wiley, Anne E.; Welch, Andreanna J.; Ostrom, Peggy H.; James, Helen F.; Stricker, Craig A.; Fleischer, Robert C.; Gandhi, Hasand; Adams, Josh; Ainley, David G.; Duvall, Fern; Holmes, Nick; Hu, Darcy; Judge, Seth; Penniman, Jay; Swindle, Keith A. (2012)
From ecologically equivalent individuals to contrasting colonies: quantifying isotopic niche and individual foraging specialization in an endangered oceanic seabird

Wiley, Anne E.; Rossman, Sam; Ostrom, Peggy H.; France, Christine A. M.; Penniman, Jay; Bailey, Cathleen; Duvall, Fern; Zipkin, Elise F.; James, Helen F. (2019)
Isotopic Characterization of Flight Feathers in Two Pelagic Seabirds: Sampling Strategies for Ecological Studies

Wiley, Anne E.; Ostrom, Peggy H.; Stricker, Craig A.; James, Helen F.; Gandhi, Hasand (2010)

We wish to use stable-isotope analysis of flight feathers to understand the feeding behavior of pelagic seabirds, such as the Hawaiian Petrel (Pterodroma sandwichensis) and Newell's Shearwater (Puffinus auricularis ...
Millennial-scale isotope records from a wide-ranging predator show evidence of recent human impact to oceanic food webs

Wiley, Anne E.; Ostrom, Peggy H.; Welch, Andreanna J.; Fleischer, Robert C.; Gandhi, Hasand; Southon, John R.; Stafford, Thomas W.; Penniman, Jay F.; Hu, Darcy; Duvall, Fern P.; James, Helen F. (2013)

Human exploitation of marine ecosystems is more recent in oceanic than near shore regions, yet our understanding of human impacts on oceanic food webs is comparatively poor. Few records of species that live beyond the ...
Unexpected hydrogen isotope variation in oceanic pelagic seabirds

Ostrom, Peggy H.; Wiley, Anne E.; Rossman, Sam; Stricker, Craig A.; James, Helen F. (2014)

Hydrogen isotopes have significantly enhanced our understanding of the biogeography of migratory animals. The basis for this methodology lies in predictable, continental patterns of precipitation dD values that are often ...

Browsing National Museum of Natural History by Author "Ostrom, Peggy H."

Browsing National Museum of Natural History by Author "Ostrom, Peggy H."

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