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DNA traces on wild flowers reveal insect visitors

2019.02.08Researchers from Aarhus University have discovered that insects leave tiny DNA traces on the flowers they visit. This newly developed eDNA method holds a vast potential for documenting unknown insect-plant interactions, keeping track of endangered pollinators, such as wild bees and butterflies, as well as in the management of unwanted pest species.

Growing interest in Danish biodiversity

2019.02.01An impressive more than 400 people turned up to the fifth Biodiversity Symposium, held at Aarhus University on 22 January. Researchers, managers, consultants and policy-makers gathered to take stock of biodiversity in the Danish countryside. The good attendance bears witness to a large and increasing interest in the topic.

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Financial support for PhD students going abroad

2017.05.01for PhD students enrolled at GSST

‘Whispering’ keeps humpbacks safe from killer whales, study finds

2017.05.01Newborn humpback whales ‘whisper’ to their mothers to avoid being overheard by killer whales, researchers have discovered. The recordings – the first obtained from tags directly attached to the whales – are published today in Functional Ecology .

Electron microscopy picture of a single cell (in green color) isolated from the subsurface seabed in Aarhus Bay. The cell is isolated on a membrane filter with pores that are 0.2 micrometer in diameter. The researchers use highly sensitive molecular biology techniques to sequence and map the genomes of microorganisms inhabiting subsurface seabed one cell at a time. Photo: Stefan Braun. Graphic modified from Wikipedia and www.genesandhealth.org.
Sediment cores up to 10 m long can be collected from the seabed in Aarhus Bay by gravity coring. The mud in the deepest sections of such cores was deposited 10,000 years ago by the end of the last glaciation. Photo: Nils Risgaard-Petersen.
A sediment core is subsectioned on deck of the Aarhus University Research Vessel Aurora. Photo: Bo Barker Jørgensen.

Microorganisms in the subsurface seabed on evolutionary standby

2017.04.25Researchers have sequenced the genomes of several microorganisms inhabiting the subsurface seabed. The results reveal the extreme evolutionary regime controlling microbial life in the deep biosphere.

Tang til fødevarer, foder og et bedre havmiljø i Danmark

2017.04.19Giver det mening at dyrke og anvende tang i Danmark, og kan tangen bidrage til et bedre havmiljø? Det sætter forskere, virksomheder, myndigheder og interesseorganisationer fokus på i et nyt stort projekt, som er støttet af VILLUM FONDEN og VELUX FONDEN med 10 millioner kroner.

Hvordan fungerer bakterier med indlagte elektriske ledninger?

2017.04.19Seks år efter den opsigtsvækkende opdagelse af kabelbakterier bevilger Danmarks Grundforskningsfond nu op til 56 mio. kr. til Center for Elektromikrobiologi på Aarhus Universitet.

Når mørket fortæller hele historien

2017.04.07Indenfor biologien er et nyt koncept ved at gøre sit indtog: ”Dark Diversity” eller ’mørk mangfoldighed’. Konceptet hjælper forskerne med at få øje på de arter, der ’er blevet væk’ og med et nyt resultat fra Danmark lover det godt for fremtidens muligheder for at få hele billedet af naturens ve og vel. Læs hele historien i nyeste udgave af webmagasinet RØMER.

Why do guillemot chicks leap from the nest before they can fly?

2017.03.28It looks like a spooky suicide when small, fluffy guillemot chicks leap from the cliffs and fall several hundred metres towards the sea – long before they are fully fledged. But researchers have now discovered that there is good reason behind the madness.

Geese begin to threaten nature, agriculture and air traffic

2017.03.27European goose populations have grown so much in the last 40 years that they have gone from being relatively threatened to numbers that themselves present a threat to agriculture, biodiversity and air safety.

Havdambrug

2017.03.27Stiig Markager, professor ved Institut for Bioscience, debatterer i en artikel i Altinget de negative og positive effekter ved havdambrug i Kattegat og de indre farvande. Læs artklen her.

Gæs truer landbrug, flytrafik og natur

2017.03.21Der er nu så mange gæs, at dyrene kommer i konflikt med både landbrug og flysikkerhed. Der er indledt et internationalt samarbejde for at finde fælles løsninger.

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