All food webs articles
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NewsMicroalgae are more significant for carbon dioxide absorption in the Southern Ocean than previously thought
14,000 years ago, algal blooms in the Southern Ocean helped to massively reduce the global carbon dioxide content of the atmosphere – as has now been revealed by new analyses of ancient DNA. Declines in sea ice pose a serious threat to these algae.
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NewsNew study finds concerning sea star response to an algal neurotoxin
Researchers found potentially concerning concentrations of the neurotoxin domoic acid in sea stars even in the absence of the algal blooms that are thought to drive DA outbreaks.
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NewsIn Croatia’s freshwater lakes, selfish bacteria hoard nutrients, shaping food webs
Researchers have documented ’selfish polysaccharide uptake’ by bacteria in freshwater ecosystems for the first time. They found that nutrient hoarding allows selfish species to dominate over others, which could shape a lake’s food web.
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NewsArctic viruses in the surface microlayer help their hosts to survive extreme temperatures
Arctic viruses employ specialized mechanisms, including cryoprotective genes, to thrive in harsh environmental conditions despite limited host availability, reveals Dr Janina Rahlff from our Ocean Sustainability Advisory Group.
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NewsMicrobial awakening shifts high-latitude food webs as permafrost thaws
A new study shows that fungi are replacing plants as the primary energy source for Arctic and boreal animals.