Dietary divergence is associated with increased intra-specific competition in a marine predator

por Norman Ratcliffe, Stacey Adlard, Gabrielle Stowasser, Rona McGill
Publicado 2018

Intra-specific Niche Partitioning in Antarctic Fur Seals, Arctocephalus gazella

por Kayleigh A. Jones, Norman Ratcliffe, Stephen C. Votier, Jason Newton, Jaume Forcada, John Dickens, Gabriele Stowasser, Iain J. Staniland
Publicado 2020

Effects of competitive pressure and habitat heterogeneity on niche partitioning between Arctic and boreal congeners

por Anne-Sophie Bonnet-Lebrun, Thomas Larsen, Morten Frederiksen, Derren Fox, Fabrice le Bouard, Aude Boutet, Þorkell Lindberg Þórarinsson, Yann Kolbeinsson, Tanguy Deville, Norman Ratcliffe
Publicado 2021

An emperor penguin population estimate: the first global, synoptic survey of a species from space.

por Peter T Fretwell, Michelle A Larue, Paul Morin, Gerald L Kooyman, Barbara Wienecke, Norman Ratcliffe, Adrian J Fox, Andrew H Fleming, Claire Porter, Phil N Trathan
Publicado 2012

Using Predicted Patterns of 3D Prey Distribution to Map King Penguin Foraging Habitat

por Roland Proud, Camille Le Guen, Richard B. Sherley, Richard B. Sherley, Akiko Kato, Yan Ropert-Coudert, Norman Ratcliffe, Simon Jarman, Adam Wyness, John P. Y. Arnould, Ryan A. Saunders, Paul G. Fernandes, Lars Boehme, Andrew S. Brierley
Publicado 2021

Important At-Sea Areas of Colonial Breeding Marine Predators on the Southern Patagonian Shelf

por Alastair M. M. Baylis, Megan Tierney, Rachael A. Orben, Victoria Warwick-Evans, Ewan Wakefield, W. James Grecian, Phil Trathan, Ryan Reisinger, Norman Ratcliffe, John Croxall, Letizia Campioni, Paulo Catry, Sarah Crofts, P. Dee Boersma, Filippo Galimberti, José P. Granadeiro, Jonathan Handley, Sean Hayes, April Hedd, Juan F. Masello, William A. Montevecchi, Klemens Pütz, Petra Quillfeldt, Ginger A. Rebstock, Simona Sanvito, Iain J. Staniland, Paul Brickle
Publicado 2019