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SUMMARY:Increasing temperatures affect the abundance of breeding grey whal
 es in Mexican coastal lagoons
DTSTART:20250723T111500Z
DTEND:20250723T123000Z
DTSTAMP:20260608T014300Z
UID:indico-event-808@events.geomar.de
CONTACT:sgagliardi@geomar.de
DESCRIPTION:Speakers: Mariana Hill\n\nAbstract\nGrey whales (Eschrichtius 
 robustus) migrate from their summer feeding grounds in the northern Bering
  and Chukchi Sea to the warm waters off Baja California Sur in Mexico. The
 y nurse their calves in coastal lagoons from January to March. Their habit
 at range has been considered to be temperature-restricted\, limited southw
 ards by the 21°C isobar. In this study\, we used Generalised Linear Model
 s to assess the impact of environmental variability\, particularly tempera
 ture\, on the abundance of grey whales in the Magdalena Bay Complex.\nWe o
 bserved a significant impact of temperature on the occurrence of mother wi
 th calf pairs but no impact on single whales. We also observed a life-stag
 e segregation in the lagoons\, with mothers with calf showing a preference
  for the northernmost lagoon and single whales being more abundant in the 
 south. The life-cycle and reproduction-cycles of grey whale aggregations o
 ff Mexico\, as well as their different responses to increasing temperature
 s\, might impact the local communities that depend on whale tourism as the
 ir source of income.\n\nhttps://events.geomar.de/event/808/
LOCATION:8A-002 - Hörsaal Ostufer / Lecture Hall East (GEOMAR - Standort 
 Ostufer  / GEOMAR - East Shore)
URL:https://events.geomar.de/event/808/
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