Bottom Trawling and the Sponge community in the Barents Sea
Bottom trawling, as its name implies, consists of a large conical net with a wide mouth and a small, closed end. In this type of fishing, the result is the…
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15/09/2022
Strong Recovery of Humpback Whale in the South Atlantic
We often take for granted today was once severely threatened and continues to demand strong protection. An example of this situation was the countless species of whales commercially exploited during…
15/07/2022
The Arctic does not sleep over the winter!
The polar environments possess extreme light conditions, with midnight sun periods and polar nights[1]. Zooplankton[2] species have adapted different strategies to survive the polar night, reducing their activity in comparison…
15/04/2022
Why do narwhals have tusks?
Narwhals are cetaceans that inhabit the Arctic Ocean with a very curious particularity: a long tusk that has been the inspiration for many fantastic stories. For example, the existence of…
15/12/2021
The long road to recovery, decades after intensive fishing activity
Marine resources are among the most important resources for humanity, whose demand will continue to increase as population increases. Consequently, effective and sustainable management is essential, as is learning from…
15/11/2021
Climate change affects Arctic top predators, such as narwhals
Climate change is affecting almost all regions and ecosystems. Particularly in the Arctic, where rapid sea-ice loss and increasing temperatures are altering the distribution and abundance of low trophic-level organisms,…
15/07/2021
Using the stomach content of penguins to study the ecology of squids and octopuses
Penguins, one of the most abundant groups of seabirds in the Southern Ocean, feed mainly on cephalopods (e.g., squids and octopus). A recent study, led by our Hugo Guímaro, studied…
15/01/2021
What if seabirds are also a source of pollution in the Poles?
When we speak about pollution in the Poles, geographically isolated locations, we normally talk about atmospheric or aquatic transportation, or natural sources such as volcanoes. However, there are other ways…
15/11/2020
It’s raining plastic in the United States! And elsewhere?
The presence of plastics in polar regions has been recognised by several international research teams. Besides its presence in sediments, seawater and sea ice in the Artic and Antarctica, the…
15/07/2020
Antarctica in 2070
Although Antarctica is the most remote region on Earth, it is intimately coupled to the rest of the climate system. Thus, the future of Antarctica is tied to that of…
15/04/2020