Search Results - "Polito, J."

Multi-modal survey of Adélie penguin mega-colonies reveals the Danger Islands as a seabird hotspot by Borowicz, Alex, McDowall, Philip, Youngflesh, Casey, Sayre-McCord, Thomas, Clucas, Gemma, Herman, Rachael, Forrest, Steven, Rider, Melissa, Schwaller, Mathew, Hart, Tom, Jenouvrier, Stéphanie, Polito, Michael J., Singh, Hanumant, Lynch, Heather J.

“…Despite concerted international effort to track and interpret shifts in the abundance and distribution of Adélie penguins, large populations continue to be…”
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Carbon and nitrogen isotope fractionation of amino acids in an avian marine predator, the gentoo penguin (Pygoscelis papua) by McMahon, Kelton W., Polito, Michael J., Abel, Stephanie, McCarthy, Matthew D., Thorrold, Simon R.

“…Compound‐specific stable isotope analysis (CSIA) of amino acids (AA) has rapidly become a powerful tool in studies of food web architecture, resource use, and…”
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Seasonal variability in the feeding ecology of an oceanic predator by Lovell, Mitchell S., Polito, Michael J., Schuster, Josef A., Shallow, Emily E., Janosik, Alexis M., Falterman, Brett J., Dance, Michael A.

“…Complementary approaches (stomach contents, DNA barcoding, and stable isotopes) were used to examine seasonal shifts in the feeding ecology of an oceanic…”
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Sex-specific spatial use of the winter foraging areas by Magellanic penguins and assessment of potential conflicts with fisheries during winter dispersal by Dodino, Samanta, Lois, Nicolás A, Riccialdelli, Luciana, Polito, Michael J, Pütz, Klemens, Raya Rey, Andrea

“…Magellanic penguins (Spheniscus magellanicus) disperse widely during winter and are a major consumer of marine resources over the Patagonian Shelf. Magellanic…”
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Integrating stomach content and stable isotope analyses to quantify the diets of pygoscelid penguins by Polito, Michael J, Trivelpiece, Wayne Z, Karnovsky, Nina J, Ng, Elizabeth, Patterson, William P, Emslie, Steven D

“…Stomach content analysis (SCA) and more recently stable isotope analysis (SIA) integrated with isotopic mixing models have become common methods for dietary…”
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Contrasting specialist and generalist patterns facilitate foraging niche partitioning in sympatric populations of Pygoscelis penguins by Polito, Michael J., Trivelpiece, Wayne Z., Patterson, William P., Karnovsky, Nina J., Reiss, Christian S., Emslie, Steven D.

“…Specialization is a common mechanism of niche differentiation that can lead to ecological co-existence among species. However, species with specialized habitat…”
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A reversal of fortunes: climate change ‘winners’ and ‘losers’ in Antarctic Peninsula penguins by Clucas, Gemma V., Dunn, Michael J., Dyke, Gareth, Emslie, Steven D., Levy, Hila, Naveen, Ron, Polito, Michael J., Pybus, Oliver G., Rogers, Alex D., Hart, Tom

“…Climate change is a major threat to global biodiversity. Antarctic ecosystems are no exception. Investigating past species responses to climatic events can…”
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Population dynamics and resource availability drive seasonal shifts in the consumptive and competitive impacts of introduced house mice ( Mus musculus ) on an island ecosystem by Polito, Michael J, Robinson, Bret, Warzybok, Pete, Bradley, Russell W

“…House mice ( ) are widespread and invasive on many islands where they can have both direct and indirect impacts on native ecological communities. Given their…”
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Snapshots of Coastal Ecology Using Multiproxy Analysis Reveals Insights Into the Preservation of Swamp and Marsh Environments Since the Late Pleistocene by Fontenot, Kendall, DeLong, Kristine L., Schubert, Brian A., Warny, Sophie, Wallace, Davin J., Miller, Carrie M., Culver‐Miller, Erin, Polito, Michael J., Reese, Carl A., Garretson, Kathryn, Xu, Kehui, Harley, Grant L., Obelcz, Jeffrey, Moran, Kelli L., Traphagan, Julian, Jones, Douglas, Caporaso, Alicia

“…The southeastern United States Coastal Plain ecosystem contains baldcypress (Taxodium distichum) swamps and grass‐dominated marshes. These ecosystems also…”
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Evaluating the use of stable isotope analysis to infer the feeding ecology of a growing US gray seal (Halichoerus grypus) population by Lerner, Jacob E, Ono, Kathryn, Hernandez, Keith M, Runstadler, Jonathan A, Puryear, Wendy B, Polito, Michael J

“…Gray seals (Halichoerus grypus) have been rapidly recolonizing the Northeast US coast, eliciting concern from the fishing industry. However, the ecological…”
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Comparative population genomics reveals key barriers to dispersal in Southern Ocean penguins by Clucas, Gemma V., Younger, Jane L., Kao, Damian, Emmerson, Louise, Southwell, Colin, Wienecke, Barbara, Rogers, Alex D., Bost, Charles‐André, Miller, Gary D., Polito, Michael J., Lelliott, Patrick, Handley, Jonathan, Crofts, Sarah, Phillips, Richard A., Dunn, Michael J., Miller, Karen J., Hart, Tom

“…The mechanisms that determine patterns of species dispersal are important factors in the production and maintenance of biodiversity. Understanding these…”
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Investigation of Ge/Si Core/Shell Nanoparticle Growth in Nonthermal Plasmas by Gui, Y., Polito, J., Kushner, M. J.

“…Core/Shell nanoparticles(CSNPs) are a type of nanomaterial that consists of two components: a core and outer shell composed of distinct materials. CSNPs have…”
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The dynamic trophic niche of an island bird of prey by Balza, Ulises, Lois, Nicolás A., Polito, Michael J., Pütz, Klemens, Salom, Amira, Raya Rey, Andrea

“…Optimal foraging theory predicts an inverse relationship between the availability of preferred prey and niche width in animals. Moreover, when individuals…”
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Evidence of Pathogen-Induced Immunogenetic Selection across the Large Geographic Range of a Wild Seabird by Levy, Hila, Fiddaman, Steven R, Vianna, Juliana A, Noll, Daly, Clucas, Gemma V, Sidhu, Jasmine K H, Polito, Michael J, Bost, Charles A, Phillips, Richard A, Crofts, Sarah, Miller, Gary D, Pistorius, Pierre, Bonnadonna, Francesco, Le Bohec, Céline, Barbosa, Andrés, Trathan, Phil, Raya Rey, Andrea, Frantz, Laurent A F, Hart, Tom, Smith, Adrian L

“…Abstract Over evolutionary time, pathogen challenge shapes the immune phenotype of the host to better respond to an incipient threat. The extent and direction…”
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Spatial and isotopic niche partitioning during winter in chinstrap and Adélie penguins from the South Shetland Islands by Hinke, Jefferson T, Polito, Michael J, Goebel, Michael E, Jarvis, Sharon, Reiss, Christian S, Thorrold, Simon R, Trivelpiece, Wayne Z, Watters, George M

“…Closely related species with similar ecological requirements should exhibit segregation along spatial, temporal, or trophic niche axes to limit the degree of…”
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Sleep quality and health-related quality of life in idiopathic pulmonary fibrosis by Krishnan, Vidya, McCormack, Meredith C, Mathai, Stephen C, Agarwal, Shikhar, Richardson, Brittany, Horton, Maureen R, Polito, Albert J, Collop, Nancy A, Danoff, Sonye K

“…Idiopathic pulmonary fibrosis (IPF) is a progressive disorder resulting in irreversible scarring of the lung parenchyma. Although fatigue is a prominent…”
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Stable isotopes identify an ontogenetic niche expansion in Antarctic krill (Euphausia superba) from the South Shetland Islands, Antarctica by Polito, Michael J., Reiss, Christian S., Trivelpiece, Wayne Z., Patterson, William P., Emslie, Steven D.

“…Antarctic krill ( Euphausia superba ) occupy a key position in the Southern Ocean linking primary production to secondary consumers. While krill is a dominant…”
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Metapopulation dynamics and foraging plasticity in a highly vagile seabird, the southern rockhopper penguin by Lois, Nicolás A., Campagna, Leonardo, Balza, Ulises, Polito, Michael J., Pütz, Klemens, Vianna, Juliana A., Morgenthaler, Annick, Frere, Esteban, Sáenz‐Samaniego, Ricardo, Raya Rey, Andrea, Mahler, Bettina

“…Population connectivity is driven by individual dispersal potential and modulated by natal philopatry. In seabirds, high vagility facilitates dispersal yet…”
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Flexible reproductive timing can buffer reproductive success of Pygoscelis spp. penguins in the Antarctic Peninsula region by Hinke, JT, Polito, MJ, Reiss, CS, Trivelpiece, SG, Trivelpiece, WZ

“…Varying the timing of reproduction in response to local environmental conditions is a key factor influencing reproductive success. We used 19 yr (1991 to 2009)…”
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Population structure and phylogeography of the Gentoo Penguin (Pygoscelis papua) across the Scotia Arc by Levy, Hila, Clucas, Gemma V., Rogers, Alex D., Leaché, Adam D., Ciborowski, Kate L., Polito, Michael J., Lynch, Heather J., Dunn, Michael J., Hart, Tom

“…Climate change, fisheries' pressure on penguin prey, and direct human disturbance of wildlife have all been implicated in causing large shifts in the abundance…”
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