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Pushing forward our understanding of calcium production in the marine environment
Ecology & biodiversity
Antarctica is a natural laboratory for studying the small number of plant and animal species that live in communities. Microbial life, invisible to the naked eye, plays a vital role in Antarctic ecosystems. State-of-the-art genetic methods to study the DNA of these microbes may lead to discoveries that could help in the production of new antibiotics and other compounds.
Remote and hostile, Antarctica harbours some of the most amazing creatures on the planet. It is also a powerful natural laboratory for studying biodiversity, evolution and the impacts of climate change. Cut off from the rest of planet, Antarctica’s isolation and its cold climate have allowed some unique species to evolve.
Mostly covered in ice and snow, Antarctica is the driest, coldest and windiest continent on Earth. Little of its land surface can support life, so the communities of plants and animals that survive there consist of only a small number of species living in simple relationships. Because of the simplicity of these communities, Antarctica is an exceptionally useful place for scientists to uncover how ecosystems work.
Some of the creatures in these communities are particularly interesting. Known as nematodes, their ancestors survived on tiny areas of land left uncovered during the last ice ages, more than one million years ago. By studying these nematodes, scientists at British Antarctic Survey (BAS) are able to increase our understanding of evolution and help reconstruct Antarctica’s glacial history.
Unlike the land, the seas around Antarctica are home to a rich and diverse group of species that have evolved some unique ways of coping with the cold. Some Antarctic fish, for example, are the only vertebrates in the world that do not use red blood cells to carry oxygen around their bodies.
But because they are so well adapted to the cold, some of these species may not be able to cope with life in a warmer world. Climate change is likely to have a major impact on Antarctic species. From their research stations on and around the Antarctic Peninsula – one of the fastest warming parts of the planet – BAS scientists are well placed to study how these species are responding to climate change.
Compared with our understanding of the continent’s plants and animals, we know very little about Antarctica’s microbial life. Invisible to the naked eye, these organisms play a vital role in Antarctic ecosystems and, because they may help us produce new antibiotics and other compounds, are rich but untapped resource. At BAS, scientists are using state-of-the-art genetic methods to study the DNA of these microbes and, hopefully, harness their potential.
SONA
The Southern Ocean Network of Acoustics (SONA) represents a group of scientific institutes and industrial partners who have united to measure an under-sampled component of the ecosystem – the mid-trophic …
Long term monitoring of plastics
This long-term study monitors the impact of marine plastics and other debris on breeding seabirds at Bird Island. Researchers have monitored the levels of marine plastics and other material from …
ASCCC
The ASCCC Project has been funded by ACE (Antarctic Circumnavigation Expedition) to investigate, quantify and understand the role of polar and subpolar seabeds in the carbon cycle, particularly in response …
Krill fishing and conservation in the Southern Ocean
30 June, 2022
Introduction Antarctic krill, a shrimp-like crustacean that can grow to 6cm long, is a food source for fish, whales, seals, penguins, and other seabirds. Krill is harvested by a commercial …
Penguins and climate change
30 June, 2022
Introduction Reports suggest that climate change is putting some penguin species in peril. Scientists at British Antarctic Survey investigating long-term changes in penguin populations report what’s happening to these iconic …
Climate change may cause expansion to ice-free areas across Antarctica
29 June, 2017
Ice-free areas in Antarctica could expand by close to 25 per cent by 2100 and drastically change the biodiversity of the continent, research published this week in Nature has shown. …
Penguin colony repeatedly decimated by volcanic eruptions
11 April, 2017
One of Antarctica’s biggest gentoo penguin colonies was repeatedly decimated by eruptions of the Deception Island volcano in recent millennia.
Poor outlook for Antarctic biodiversity
28 March, 2017
An international study involving scientists from British Antarctic Survey (BAS) has debunked the popular view that Antarctica and the Southern Ocean are in a much better environmental shape than the …
New study reveals what penguins eat
15 February, 2017
The longest and most comprehensive study to date of what penguins eat is published this month. The study, published in the journal Marine Biology, examines the diets of gentoo penguins …
New study on how shellfish create their shells
8 February, 2017
A new study describing how shellfish create their shells in response to their environment is published today (Wednesday 8 February) in the journal Royal Society Open Science. The shells of …
FEATURED PAPER: Ecosystem Services
1 February, 2017
Intensifying pressures from fisheries, habitat destruction, pollution and climate change are driving global declines in marine biodiversity. Despite widespread conservation efforts there is a growing argument that traditional approaches have …
Conservation plans to protect the albatross
11 January, 2017
The UK Overseas Territory of South Georgia & South Sandwich Islands is this week launching an ambitious conservation effort to help protect the albatross. South Georgia is a globally important …
Special feature highlights the value of biodiversity
7 December, 2016
Scientists agree that meeting the ever-increasing needs of the Earth’s human population while maintaining biological diversity is one of the greatest challenges of our time. Despite bold international commitments, biodiversity …
FEATURED PAPER: Icebergs and blue carbon
17 November, 2016
When divers laid a grid of 225 markers on the seabed it started one of the longest marine disturbance experiments anywhere in the world. Surveyed and replaced annually, they show …
New study puts shells under spotlight
11 November, 2016
A new study on how molluscs build their shells in the sub-zero waters of Antarctica is published today (Friday 11 November) in the journal Scientific Reports. A team of European …
