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Grant Ballard
Grant Ballard
Chief Science Officer, Point Blue Conservation Science
Geverifieerd e-mailadres voor pointblue.org
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Data-intensive science: a new paradigm for biodiversity studies
S Kelling, WM Hochachka, D Fink, M Riedewald, R Caruana, G Ballard, ...
BioScience 59 (7), 613-620, 2009
3632009
Adélie penguin population change in the pacific sector of Antarctica: relation to sea-ice extent and the Antarctic Circumpolar Current
PR Wilson, DG Ainley, N Nur, SS Jacobs, KJ Barton, G Ballard, ...
Marine ecology progress series 213, 301-309, 2001
2082001
Geographic structure of Adelie penguin populations: Overlap in colony‐specific foraging areas
DG Ainley, CA Ribic, G Ballard, S Heath, I Gaffney, BJ Karl, KJ Barton, ...
Ecological monographs 74 (1), 159-178, 2004
1962004
Competition among penguins and cetaceans reveals trophic cascades in the western Ross Sea, Antarctica
DG Ainley, G Ballard, KM Dugger
Ecology 87 (8), 2080-2093, 2006
1782006
Diet and foraging effort of Adélie penguins in relation to pack-ice conditions in the southern Ross Sea
DG Ainley, PR Wilson, KJ Barton, G Ballard, N Nur, B Karl
Polar Biology 20 (5), 311-319, 1998
1781998
Spatial and temporal variation of diet within a presumed metapopulation of Adélie penguins
DG Ainley, G Ballard, KJ Barton, BJ Karl, GH Rau, CA Ribic, PR Wilson
The Condor 105 (1), 95-106, 2003
1622003
Effects of individual quality, reproductive success and environmental variability on survival of a long-lived seabird
A Lescroël, KM Dugger, G Ballard, DG Ainley
Journal of Animal Ecology, 798-806, 2009
1512009
Paradigm lost, or is top-down forcing no longer significant in the Antarctic marine ecosystem?
D Ainley, G Ballard, S Ackley, LK Blight, JT Eastman, SD Emslie, ...
Antarctic Science 19 (3), 283-290, 2007
1362007
An energetic correlate between colony size and foraging effort in seabirds, an example of the Adélie penguin Pygoscelis adeliae
LT Ballance, DG Ainley, G Ballard, K Barton
Journal of Avian Biology 40 (3), 279-288, 2009
1252009
Working less to gain more: when breeding quality relates to foraging efficiency
A Lescroël, G Ballard, V Toniolo, KJ Barton, PR Wilson, POB Lyver, ...
Ecology 91 (7), 2044-2055, 2010
1222010
Effect of instrument attachment and other factors on foraging trip duration and nesting success of Adélie penguins
G Ballard, DG Ainley, CA Ribic, KR Barton
The Condor 103 (3), 481-490, 2001
1182001
Coexistence of mesopredators in an intact polar ocean ecosystem: the basis for defining a Ross Sea marine protected area
G Ballard, D Jongsomjit, SD Veloz, DG Ainley
Biological Conservation 156, 72-82, 2012
1072012
Tracking of marine predators to protect Southern Ocean ecosystems
MA Hindell, RR Reisinger, Y Ropert-Coudert, LA Hückstädt, PN Trathan, ...
Nature 580 (7801), 87-92, 2020
1052020
Survival differences and the effect of environmental instability on breeding dispersal in an Adélie penguin meta-population
KM Dugger, DG Ainley, POB Lyver, K Barton, G Ballard
Proceedings of the National Academy of Sciences 107 (27), 12375-12380, 2010
1032010
Long-term declines and decadal patterns in population trends of songbirds in western North America, 1979–1999
G Ballard, GR Geupel, N Nur, T Gardali
The Condor 105 (4), 737-755, 2003
992003
Responding to climate change: Adélie penguins confront astronomical and ocean boundaries
G Ballard, V Toniolo, DG Ainley, CL Parkinson, KR Arrigo, PN Trathan
Ecology 91 (7), 2056-2069, 2010
942010
EFFECTS OF FLIPPER BANDS ON FORAGING BEHAVIOR AND SURVIVAL OF ADÉLIE PENGUINS (PYGOSCELIS ADELIAE)
KM Dugger, G Ballard, DG Ainley, KJ Barton
The Auk 123 (3), 858-869, 2006
942006
Trends in the breeding population of Adélie penguins in the Ross Sea, 1981–2012: a coincidence of climate and resource extraction effects
POB Lyver, M Barron, KJ Barton, DG Ainley, A Pollard, S Gordon, ...
PLoS One 9 (3), e91188, 2014
932014
Foraging strategies of Adélie penguins: adjusting body condition to cope with environmental variability
G Ballard, KM Dugger, N Nur, DG Ainley
Marine Ecology Progress Series 405, 287-302, 2010
832010
Changes in spring arrival of Nearctic‐Neotropical migrants attributed to multiscalar climate
DP Macmynowski, TL Root, G Ballard, GR Geupel
Global Change Biology 13 (11), 2239-2251, 2007
812007
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