2017
DOI: 10.3354/esr00823
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Predicted distribution of whales at risk: identifying priority areas to enhance cetacean monitoring in the Northwest Atlantic Ocean

Abstract: Using long-term data from government, non-government, academic, and industry sources, we developed species distribution models (SDMs) to predict priority areas in which to target and enhance blue whale Balaenoptera musculus and northern bottlenose whale Hyperoodon ampullatus monitoring efforts in eastern Canada. Priority areas for blue whales were located primarily on the Scotian Shelf and along the south shelf break in waters off Newfoundland. Priority areas for northern bottlenose whales were identified prim… Show more

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Cited by 16 publications
(24 citation statements)
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References 95 publications
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“…It may potentially reflect greater prey availability associated with warmer water temperatures, for example the occurrence of Munida swarms higher in the water column during summer compared with winter [ 44 ]. Chl- a was also an important PV for SEI–BAL in MaxEnt, which is consistent with other studies indicating that baleen whale distribution in feeding areas is linked to primary productivity, presumably since it drives the occurrence of prey species [ 12 , 36 , 37 , 45 ].…”
Section: Discussionsupporting
confidence: 91%
See 2 more Smart Citations
“…It may potentially reflect greater prey availability associated with warmer water temperatures, for example the occurrence of Munida swarms higher in the water column during summer compared with winter [ 44 ]. Chl- a was also an important PV for SEI–BAL in MaxEnt, which is consistent with other studies indicating that baleen whale distribution in feeding areas is linked to primary productivity, presumably since it drives the occurrence of prey species [ 12 , 36 , 37 , 45 ].…”
Section: Discussionsupporting
confidence: 91%
“…The MaxEnt models for those three species had moderate discriminatory power with AUC values of 0.60 to 0.69, although those values are lower than those achieved for MaxEnt modelling of cetacean species in some other studies [e.g. 6 , 16 , 37 ]. The validation techniques indicated a slightly improved performance of both GAMs and MaxEnt for combined SEI–BAL compared with sei whales only, likely reflecting the larger sample size available for the former.…”
Section: Discussioncontrasting
confidence: 58%
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“…Environmental layers used in the modeling were selected after reviewing previous cetacean niche modeling studies (e.g., Baumgartner et al, 2001;Cañadas et al, 2002;Davis et al, 2002;do Amaral et al, 2015;Tobeña et al, 2016;Gomez et al, 2017). The selected layers included both static and dynamic variables for all three species (Table 1).…”
Section: Environmental Datamentioning
confidence: 99%
“…Bathymetry has been found to be an important variable in other marine species distribution modelling studies (Ainley et al, 2011;Burgos et al, 2020;Gomez et al, 2017;Sequeira et al, 2012).…”
Section: The Importance Of Modelled Prey Data In Bowhead Whale Distmentioning
confidence: 99%