Coastal fronts utilized by migrating humpback whales, megaptera novaeangliae, on the gold Coast, Australia

Joshua Reinke, Charles Lemckert, Jan Olaf Meynecke

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Large-scale migration patterns of humpback whales, Megaptera novaeangliae, are quite well known; however, small-scale distribution patterns and relationships with environmental conditions have received less attention. Protection from a range of threats, as well as predicting the effects of climate change, requires knowledge of preferred habitat and environmental conditions. East Australian humpback whales travel from the Southern Ocean towards the Great Barrier Reef to breed. The East Australian coastal environment is dominated by the East Australian Current that carries warm water poleward from the tropics and generates upwelling conditions on the coast. Sharp temperature changes develop at the border of the warm current and the cooler coastal and upwelled waters. This study outlines methodologies and proposes relationships between humpback whale distribution and sea surface temperature (and temperature gradient) on the Gold Coast, Australia. This area is used primarily as a migration route, but also as a resting area for mothers and calves on the southward return journey. The distribution of almost 400 pods favoured cooler waters and areas with a strong temperature gradient. The coastal fronts generated by the East Australian Current generally run parallel to shore and may serve as a tool for navigation, allowing whales to follow the current. Higher productivity in cooler upwelled water and fronts may also provide a chance for opportunistic feeding

Original languageEnglish
Pages (from-to)552-556
Number of pages5
JournalJournal of Coastal Research
Volume1
Issue number75
DOIs
Publication statusPublished - 1 Mar 2016
Externally publishedYes

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whale
gold
coast
temperature gradient
environmental conditions
migration route
barrier reef
warm water
water
navigation
coastal zone
upwelling
sea surface temperature
productivity
climate change
methodology
ocean
habitat
distribution
temperature

Cite this

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title = "Coastal fronts utilized by migrating humpback whales, megaptera novaeangliae, on the gold Coast, Australia",
abstract = "Large-scale migration patterns of humpback whales, Megaptera novaeangliae, are quite well known; however, small-scale distribution patterns and relationships with environmental conditions have received less attention. Protection from a range of threats, as well as predicting the effects of climate change, requires knowledge of preferred habitat and environmental conditions. East Australian humpback whales travel from the Southern Ocean towards the Great Barrier Reef to breed. The East Australian coastal environment is dominated by the East Australian Current that carries warm water poleward from the tropics and generates upwelling conditions on the coast. Sharp temperature changes develop at the border of the warm current and the cooler coastal and upwelled waters. This study outlines methodologies and proposes relationships between humpback whale distribution and sea surface temperature (and temperature gradient) on the Gold Coast, Australia. This area is used primarily as a migration route, but also as a resting area for mothers and calves on the southward return journey. The distribution of almost 400 pods favoured cooler waters and areas with a strong temperature gradient. The coastal fronts generated by the East Australian Current generally run parallel to shore and may serve as a tool for navigation, allowing whales to follow the current. Higher productivity in cooler upwelled water and fronts may also provide a chance for opportunistic feeding",
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Coastal fronts utilized by migrating humpback whales, megaptera novaeangliae, on the gold Coast, Australia. / Reinke, Joshua; Lemckert, Charles; Meynecke, Jan Olaf.

In: Journal of Coastal Research, Vol. 1, No. 75, 01.03.2016, p. 552-556.

Research output: Contribution to journalArticle

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