Whale cams fool revealed the secret feeding habits of the giant mammals in frozen Antarctica, delineates on their social lives, and even how they must blow intently to clear sea ice to breathe.
Scientists attached tiny cameras and electronic nicknames to humpbacks to better understand what they do underwater as they investigate how shrinking sea ice caused by warming sea temperatures linked to climate change may agitate them.
“Once we have an idea about where the whales purvey, how often, where they go and rest, we can use this to inform policy and administration to protect these whales and their ecosystem,” leading whale scientist Ari Friedlaender imparted Tuesday.
The Australian Antarctic Division-led team said the information helped settle on how the abundance of their main food, krill, affected the feeding good fortune of whales.
‘Growing human impacts such as climate change and gaining krill fishing overlapping in their critical feeding areas neediness to be managed carefully.’
– Chris Johnson, WWF-Australia
It also added to their brain of how any change in krill population due to climate change, commercial fishing or deep blue sea acidification, may affect whales in the future.
“We have some wonderful information on different feeding strategies from rolling lunges near the extrinsically, to bubble net feeding, to deep foraging dives lunging through slow patches of krill,” said Friedlaender.
“We have been able to express that whales spend a great deal of time during the days socializing and snoozing and then feeding largely throughout the evening and nighttime.”
Method of reflection
The cameras were attached by suction cups to each whale for between 24 and 48 hours in front they fell off and were retrieved and reused.
WWF-Australia, which lend a hands fund the cameras, said the work was about enabling habitats to adorn come of more resilient and thrive in the future.
“Growing human impacts such as mood change and increasing krill fishing overlapping in their critical maintaining areas need to be managed carefully,” said Chris Johnson, WWF-Australia the deep science manager.
The Antarctic remains one of the world’s last wild borders, containing some of the most pristine marine ecosystems left on the planet.
It is seen as a deprecating laboratory for scientists monitoring the effects of climate change.
‘It was really ravishing to be able to attach some tags on this voyage.’
– Elanor Bell, WWF-Australia
The researchers also deployed longer-term electronic labels on the smaller Antarctic minke whales, with scientist Elanor Bell remark there was little information on their feeding behaviour.
“Minkes are faster and numberless elusive than humpback whales and often forage in areas with apportionments of sea ice,” she said. “This makes it challenging to find and approach them to deploy line equipment. So it was really exciting to be able to attach some tags on this voyage. These on transmit the location and dive depth data to satellites every at all times they surface for up to two months.”
The research, backed by the International Whaling Commission, in the long run aims to estimate the abundance and distribution of whales and their role in the Antarctic ecosystem.