![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
EU project Nunataryuk investigates effects of permafrost thaw
by Herbert - 27th November 2017
Fragile Arctic environment threatened by retreating permafrost Permafrost makes up a quarter of the land mass in the Northern Hemisphere.…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Arctic: AWI underwater robot Tramper successfully recovered
by Herbert - 31st August 2017
Almost 60 weeks of measurements of oxygen content at the bottom of the deep sea obtained On 27 August 2017,…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Underwater robot “TRAMPER” to surface after a year in the Arctic deep sea
by Herbert - 22nd August 2017
Helmholtz Alliance ROBEX tested innovative technologies on expedition On Tuesday, August 22nd, the research vessel Polarstern will set off on…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Copepods rise and shine to internal genetic clocks
by Herbert - 7th August 2017
The Calanus finmarchicus is a copepod that packs a big punch. Although just two to four millimetres, this zooplankton’s genetic…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Glacial retreat accelerated by meltwater lakes under Antarctic Ice Sheet
by Herbert - 4th July 2017
During the last glacial period, the ice in the Antarctic was thicker and extended farther offshore than it does today.…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Changes in atmospheric CO2 concentration can cause temperature fluctuations
by Mares - 22nd June 2017
Scientists use climate models to investigate fluctuations During the last Ice Age, the influence of atmospheric carbon dioxide on the…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Why do krill stocks in Antarctica fluctuate?
by Herbert - 9th June 2017
Climatic influences not as important as previously thought Although just six centimeters long, the Antarctic krill (Euphausia superba) plays an…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Kiel Fjord as training ground for mussels
by Mares - 4th May 2017
Genetic adaptation likely to have occurred over many generations Mussels from the Kiel Fjord were discovered to be able to…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Litter in the sea: New portal offers comprehensive coverage
by Herbert - 29th March 2017
New online portal LITTERBASE compiles all data in one location Where is litter at sea and which species and habitats…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Growing problem of litter in the Arctic depths
by Herbert - 16th February 2017
Sea ice may be responsible for transporting plastic wasteThe Arctic has a garbage problem. In just a decade, the amount…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
New ocean measuring station at Boknis Eck
by Mares - 1st February 2017
GEOMAR and Helmholtz Center Geesthacht install new sensor node in Baltic Sea Boknis Eck (Boknis Corner) – a name familiar…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Studying the effects of coastal erosion in the Arctic
by Mares - 18th January 2017
The thawing and erosion of the arctic permafrost coasts has increased so drastically in the past that more than 20…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Octopus Casper: Deep-sea octopuses require manganese nodules to lay their eggs
by Herbert - 22nd December 2016
Casper the octopus (and counterparts) threatened by deep-sea miningFor deep-sea octopuses, manganese nodules on the seabed are an important breeding…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
New insights into the changes of the Nordic Seas during interglacials
by Mares - 5th December 2016
The characteristics of the water masses in the Nordic Seas are expected to change due to the Earth's higher temperatures…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Researchers search for Earth’s oldest ice
by Mares - 21st November 2016
Ice cores show glimpse of composition of atmosphere in the pastIn Antarctic, ice and climate scientists from 14 institutions in…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Germany proposes protection for Weddell Sea
by Mares - 20th October 2016
The European Union has submitted a request for a marine protected area (MPA) to be established in the Weddell Sea.…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Photo exhibition on ocean acidification opens at GEOMAR
by Mares - 27th September 2016
A new photo exhibition by two nature photographers centres on the organisms on which climate change research is currently focused…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Two-thirds of zooplankton at tropical coral reefs lost to ocean acidification
by Herbert - 24th September 2016
Ocean acidification can fundamentally change the structure of the reef Tropical coral reefs can lose up to two-thirds of their…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Arctic sea ice at its second-lowest ever this September
by Mares - 16th September 2016
In September 2016, the surface of the Arctic sea ice shrank to nearly 4.1 million square kilometres – the second…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Potentially pathogenic bacteria discovered in microplastic particles
by Herbert - 28th July 2016
Bacteria population soars when temperatures increase Rising water temperatures have made it more likely for potentially pathogenic bacteria to make…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Underwater robot begins one-year mission
by Mares - 28th July 2016
Autonomous deep-sea robot at work Deep on the Arctic seabed, an autonomous deep-sea robot has been hard at work, having…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Climate change modifies ocean currents
by Mares - 1st July 2016
Asia to get warmer and stormier Global warming is causing a change in some ocean currents. Scientists have shown that…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Enhancing the analysis of climatic changes in the Arctic
by Mares - 16th June 2016
Scientists head northwards with new autonomous instruments On 13 June 2016, a team of scientists set off to Spitsbergen on…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
This year’s decline of Arctic sea ice may be as bad as the record low of 2012
by Mares - 19th May 2016
At the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), sea ice physicists have predicted that the…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Defining research priorities for the Arctic
by Mares - 29th February 2016
The major international Arctic research organisations, with the involvement of the indigenous peoples of the Arctic, have come up with…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
How stable is the West Antarctic Ice Sheet?
by Mares - 12th February 2016
Exceeding critical temperature values can lead to collapse of the ice sheet and strong rise in sea level A future…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Researchers measure platelet ice beneath Antarctic sea ice
by Mares - 8th February 2016
For the first time, sea ice physicists at the Alfred Wegener Institute (AWI) have developed a new method of efficiently…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Gliders collect data on new eddy off Peruvian coast
by Mares - 30th January 2016
In January and February 2013, a subsurface anticyclonic eddy formed in the Peru-Chile Undercurrent, allowing researchers to document the creation…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Melosira Arctica named algae species of 2016
by Mares - 19th January 2016
Researchers have named the Melosira arctica, one of the major algae species in the Arctic Ocean, as Algae of the…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Plastic waste threatens lives of seabirds in Helgoland
by Mares - 11th December 2015
Pilot study initiated to gather more information High on the cliffs of Helgoland, a small German archipelago in the North…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Arctic sea ice plays essential role in methane cycle
by Mares - 8th December 2015
Study uncovers link between seasonal melting of sea ice and release of methane gas The ice-covered Arctic Ocean plays a…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Billions of juvenile polar cod under Arctic sea ice
by Mares - 14th October 2015
With a newly developed netting gear, marine scientists at the Alfred Wegener Institute managed to catch a large number of…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
German research network on ocean acification concludes
by Mares - 8th October 2015
An in-depth assessment of the possible impact of ocean acidification on the environment, society and economy, as well as the…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
Sounds of the ocean
by Herbert - 2nd February 2017
Findings on background sounds in Southern Ocean published For nearly three years, using underwater recording devices, scientists have been listening…
![Herbert](https://blog.mares.com/wp-content/uploads/2016/06/Herbert-150x150.jpg)
New underwater observatory to monitor zooplankton
by Herbert - 10th December 2016
Scientists from the Thünen Institute of Sea Fisheries, Alfred Wegener Institute (AWI) and Helmholtz-Zentrum Geesthacht (HZG) have placed an optical-acoustic…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Reintroduction of European flat oysters in German North Sea
by Mares - 30th June 2016
Three-year trial will set up foundation for restoration of species For the first time, the German Federal Agency for Nature…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Can a deep-sea ecosystem recover from human intervention?
by Mares - 26th November 2015
What would the ecological consequences be if the quantity of polymetallic (e.g. manganese) nodules in the deep sea was reduced? Would…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Melting coastal glaciers cause loss in biodiversity – Seabed ecosystem affected by sedimentation
by Mares - 20th November 2015
Melting glaciers will lead to a reduction of species biodiversity among the benthos (bottom-dwelling organisms) community in the coastal waters…
![Mares](https://blog.mares.com/wp-content/uploads/2016/06/Mares_blog-2-150x150.jpg)
Arctic Ocean: Reduced Amount Of Ice
by Mares - 17th July 2015
Commercial Fishing Ban Implemented In The Arctic Over the years, climate change has reduced the amount of ice in the…