Research Fellow @ Edinburgh Napier University | Shark Movement Ecology 🦈 | Morphology & Eco-physiology | Spatial Modelling | Biotelemetry | Fisheries Management 🐟
Antonia Klöcker
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🧵5/5 Seasonal movements on average spanned 30° of latitude, exceeding those of conspecifics with summer residency at lower latitudes. This provides first evidence of ‘leapfrog migration’ in basking sharks and highlights the value of pan-latitudinal studies.
Breaching behaviour in basking sharks is far more widespread than previously thought. Watch #BiologyLetters author C Antonia Klöcker talk about the new research that used animal-borne biologgers to record breaching events over a year: cassyni.com/events/FWc8L... @cakloecker.bsky.social 🧪
🧵3/5 Sharks covered ~14,000 km annually and showed inter-annual site fidelity, returning to the tagging locations and other high-use areas in the subsequent year. This also included habitats in the northern North Sea, the southern Barents Sea, and a migration corridor around Shetland.
4/5 Sharks exhibited diverse diving patterns in boreal shelf habitats, and mesopelagic diel verical migration in the open ocean, consistent with known prey distributions. Movements seem unconstrained 2-25°C, with signs of surface avoidance in >25°C waters in the southern Sargasso Sea.
🧵2/5 #Biotelemetry revealed seasonal hotspots along the Norwegian Shelf in summer, the Iceland Basin in autumn, and the Western European Basin in boreal winter.
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📢 New IMR study on movement patterns of #BaskingSharks shows that sharks tagged above the #ArcticCircle in #Norway perform repeated large-scale movements to subtropical waters and actively use the water column across habitats.🧵 1/5
👉 doi.org/10.3354/meps...
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Antonia Klöcker
Royal Society Publishing
Antonia Klöcker
Antonia Klöcker
Antonia Klöcker
Antonia Klöcker
Wide-ranging, year-round breaching behaviour of basking sharks revealed by long-term biologging doi.org/10.1098/rsbl... | #BiologyLetters #Behaviour #Ecology
Royal Society Publishing
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Year-long satellite tracking of basking sharks revealed ~14,000 km migrations spanning 30° latitude. This includes a transatlantic journey from Norway to the Caribbean highlighting the need for pan-latitudinal research. #FeatureArticle
bit.ly/meps15153
@cakloecker.bsky.social
