Roger Hewitt
Roger Hewitt
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Año
Effects of sea-ice extent and krill or salp dominance on the Antarctic food web
V Loeb, V Siegel, O Holm-Hansen, R Hewitt, W Fraser, W Trivelpiece, ...
Nature 387 (6636), 897-900, 1997
7761997
Why fishing magnifies fluctuations in fish abundance
CNK Anderson, C Hsieh, SA Sandin, R Hewitt, A Hollowed, J Beddington, ...
Nature 452 (7189), 835-839, 2008
6412008
An integrated approch to the foraging ecology of marine birds and mammals
DA Croll, BR Tershy, RP Hewitt, DA Demer, PC Fiedler, SE Smith, ...
Deep Sea Research Part II: Topical Studies in Oceanography 45 (7), 1353-1371, 1998
2811998
Blue whale habitat and prey in the California Channel Islands
PC Fiedler, SB Reilly, RP Hewitt, D Demer, VA Philbrick, S Smith, ...
Deep Sea Research Part II: Topical Studies in Oceanography 45 (8-9), 1781-1801, 1998
2271998
Biomass of Antarctic krill in the Scotia Sea in January/February 2000 and its use in revising an estimate of precautionary yield
RP Hewitt, J Watkins, M Naganobu, V Sushin, AS Brierley, D Demer, ...
Deep Sea Research Part II: Topical Studies in Oceanography 51 (12-13), 1215-1236, 2004
1872004
Causes of mortality in young jack mackerel
RP Hewitt, GH Theilacker, NCH Lo
Mar. Ecol. Prog. Ser 26 (1), 1-10, 1985
1491985
Spatial analysis shows that fishing enhances the climatic sensitivity of marine fishes
C Hsieh, CS Reiss, RP Hewitt, G Sugihara
Canadian Journal of Fisheries and Aquatic Sciences 65 (5), 947-961, 2008
1422008
Dispersion and abundance of Antarctic krill in the vicinity of Elephant Island in the 1992 austral summer
RP Hewitt, DA Demer
Marine Ecology Progress Series, 29-39, 1993
1241993
An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991–1992 through …
RP Hewitt, DA Demer, JH Emery
Aquatic Living Resources 16 (3), 205-213, 2003
1232003
Bias in acoustic biomass estimates of Euphausia superba due to diel vertical migration
DA Demer, RP Hewitt
Deep Sea Research Part I: Oceanographic Research Papers 42 (4), 455-475, 1995
1181995
Effects of California El Nino 1982–1984 on the northern anchovy
PC Fiedler, RD Methot, RP Hewitt
Journal of Marine Research 44 (2), 317-338, 1986
1071986
The state of the California Current, 2005-2006: warm in the north, cool in the south
WT Peterson, R Emmett, R Goericke, E Venrick, A Mantyla, SJ Bograd, ...
California Cooperative Oceanic Fisheries Investigations Report 47, 30, 2006
1032006
The value of pattern in the distribution of young fish
R Hewitt
Rapp. P.–v, 1981
1021981
Historical review of the oceanographic approach to fishery research
RP Hewitt
Calif. Coop. Oceanic Fish. Invest. Rep 29, 27-41, 1988
971988
Modeling the krill transport pathways in the Scotia Sea: spatial and environmental connections generating the seasonal distribution of krill
EJ Murphy, SE Thorpe, JL Watkins, R Hewitt
Deep Sea Research Part II: Topical Studies in Oceanography 51 (12-13), 1435-1456, 2004
932004
Concordance of interannual fluctuations in acoustically estimated densities of Antarctic krill around South Georgia and Elephant Island: biological evidence of same-year …
AS Brierley, DA Demer, JL Watkins, RP Hewitt
Marine Biology 134 (4), 675-681, 1999
911999
Biomass and energy transfer to baleen whales in the South Atlantic sector of the Southern Ocean
S Reilly, S Hedley, J Borberg, R Hewitt, D Thiele, J Watkins, M Naganobu
Deep Sea Research Part II: Topical Studies in Oceanography 51 (12-13), 1397-1409, 2004
902004
Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
RP Hewitt, G Watters
Ccamlr Science 11, 81-97, 2004
892004
Temporal and spatial distribution of chlorophyll-a in surface waters of the Scotia Sea as determined by both shipboard measurements and satellite data
O Holm-Hansen, M Kahru, CD Hewes, S Kawaguchi, T Kameda, ...
Deep Sea Research Part II: Topical Studies in Oceanography 51 (12-13), 1323-1331, 2004
882004
A multiple-frequency method for potentially improving the accuracy and precision of in situ target strength measurements
DA Demer, MA Soule, RP Hewitt
The Journal of the Acoustical Society of America 105 (4), 2359-2376, 1999
851999
El sistema no puede realizar la operación en estos momentos. Inténtalo de nuevo más tarde.
Artículos 1–20