Large predatory fish are becoming rarer, while smaller species dominate. This has consequences for entire ecosystems. Researchers at iDiv Leipzig have analyzed data from almost 15,000 fish communities over decades. Their findings: food webs in oceans and rivers are changing worldwide, even where the number of species remains the same. Why this can pose a threat to bodies of water and what scientists are now calling for. | more
The consequences of climate change on land and at sea are increasingly changing the ecosystem in the Wadden Sea. New study shows unprecedented changes. | more
