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Luis A. Hückstädt
University of California, Santa Cruz
ForagingPredationEcologyFisheryBiology
59Publications
15H-index
930Citations
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Publications 62
Newest
#1Yan Ropert-Coudert (CNRS: Centre national de la recherche scientifique)H-Index: 39
#2Anton Van de Putte (Katholieke Universiteit Leuven)H-Index: 13
Last. Mary-Anne Lea (UTAS: University of Tasmania)H-Index: 22
view all 80 authors...
The Retrospective Analysis of Antarctic Tracking Data (RAATD) is a Scientific Committee for Antarctic Research project led jointly by the Expert Groups on Birds and Marine Mammals and Antarctic Biodiversity Informatics, and endorsed by the Commission for the Conservation of Antarctic Marine Living Resources. RAATD consolidated tracking data for multiple species of Antarctic meso- and top-predators to identify Areas of Ecological Significance. These datasets and accompanying syntheses provide a g...
1 CitationsSource
#1Mark A. Hindell (UTAS: University of Tasmania)H-Index: 52
#2Ryan R. Reisinger (University of Paris)H-Index: 1
Last. Bruno Danis (ULB: Université libre de Bruxelles)H-Index: 17
view all 81 authors...
Southern Ocean ecosystems are under pressure from resource exploitation and climate change1,2. Mitigation requires the identification and protection of Areas of Ecological Significance (AESs), which have so far not been determined at the ocean-basin scale. Here, using assemblage-level tracking of marine predators, we identify AESs for this globally important region and assess current threats and protection levels. Integration of more than 4,000 tracks from 17 bird and mammal species reveals AESs...
2 CitationsSource
#1Kaori Yoshino (Graduate University for Advanced Studies)H-Index: 1
#2Akinori Takahashi (National Institute of Polar Research)H-Index: 30
Last. Yasuhiko Naito (National Institute of Polar Research)H-Index: 46
view all 9 authors...
Knowledge of the diet of marine mammals is fundamental to understanding their role in marine ecosystems and response to environmental change. Recently, animal-borne video cameras have revealed the diet of marine mammals that make short foraging trips. However, novel approaches that allocate video time to target prey capture events is required to obtain diet information for species that make long foraging trips over great distances. We combined satellite telemetry and depth recorders with newly d...
1 CitationsSource
#1Birgitte I. McDonald (Moss Landing Marine Laboratories)H-Index: 17
#2Michael S. Tift (UNCW: University of North Carolina at Wilmington)H-Index: 9
Last. Paul J. Ponganis (UCSD: University of California, San Diego)H-Index: 34
view all 5 authors...
The dive response, bradycardia (decreased heart rate) and peripheral vasoconstriction, is the key mechanism allowing breath-hold divers to perform long-duration dives while actively swimming and hunting prey. This response is variable and modulated by factors such as dive duration, depth, exercise and cognitive control. This study assesses the potential role of exercise and relative lung volume in the regulation of heart rate (fH) during dives of adult female California sea lions instrumented wi...
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#1Theresa R. Keates (UCSC: University of California, Santa Cruz)
#2Kudela M R (UCSC: University of California, Santa Cruz)H-Index: 45
Last. Daniel P. Costa (UCSC: University of California, Santa Cruz)H-Index: 72
view all 6 authors...
Abstract Chlorophyll concentration in the ocean is a metric for phytoplankton biomass, which forms the base of most pelagic food webs and is a critical component of the planet's carbon cycle. Phytoplankton biomass has been designated an Essential Ocean Variable (EOV), but in situ chlorophyll measurements are challenging and expensive to obtain, especially in remote regions. We deployed 11 Conductivity-Temperature-Depth-Fluorescence (CTDF) instruments on 15 northern elephant seals (Mirounga angus...
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#1Markus Horning (OSU: Oregon State University)H-Index: 23
#2Russel D. AndrewsH-Index: 22
Last. Jamie N. Womble (NPS: National Park Service)H-Index: 12
view all 24 authors...
Pinnipeds spend large portions of their lives at sea, submerged, or hauled-out on land, often on remote off-shore islands. This fundamentally limits access by researchers to critical parts of pinniped life history and has spurred the development and implementation of a variety of externally attached telemetry devices (ETDs) to collect information about movement patterns, physiology and ecology of marine animals when they cannot be directly observed. ETDs are less invasive and easier to apply tha...
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#1Robert G. Harcourt (Macquarie University)H-Index: 37
#2Ana M. M. Sequeira (UWA: University of Western Australia)H-Index: 14
Last. Michael A. Fedak (St And: University of St Andrews)H-Index: 55
view all 61 authors...
Animal telemetry is a powerful tool for observing marine animals and the physical environments that they inhabit, from coastal and continental shelf ecosystems to polar seas and open oceans. Satellite-linked biologgers and networks of acoustic receivers allow animals to be reliably monitored over scales of tens of meters to thousands of kilometers, giving insight into their habitat use, home range size, the phenology of migratory patterns and the biotic and abiotic factors that drive their distr...
1 CitationsSource
#1Allyson G. Hindle (Harvard University)H-Index: 12
#2Kaitlin Allen (Harvard University)H-Index: 5
Last. Emmanuel S. Buys (Harvard University)H-Index: 26
view all 13 authors...
Nitric oxide (NO) is a potent vasodilator, which improves perfusion and oxygen delivery during tissue hypoxia in terrestrial animals. The vertebrate dive response involves vasoconstriction in selec...
1 CitationsSource
#1Emily K. BraultH-Index: 3
#2Paul L. KochH-Index: 56
Last. Karin C. HardingH-Index: 5
view all 12 authors...
Source
#1Taiki Adachi (National Institute of Polar Research)H-Index: 5
#2Luis A. Hückstädt (UCSC: University of California, Santa Cruz)H-Index: 15
Last. Akinori Takahashi (National Institute of Polar Research)H-Index: 30
view all 6 authors...
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