Until now, the Arctic tundra has been the domain of low-growing grasses and dwarf shrubs. But new, taller plant species have been slowly taking over this chilly neighborhood, report an international group with the participation of researchers from CSIC-CREAF.
Aedes japonicus is an invasive insect capable of transmitting diseases such as West Nile virus. The mosquito was found in Asturias (North Spain) when a person sent a photo of the insect with the Mosquito Alert app in june.
Species of birds living on islands have evolved to have larger brains than their continental relatives. Island conditions have prompted this post-colonization evolution, which enhances adaptability to environmental changes.
Trees that have grown in highly suitable climatic conditions are less capable of dealing with extreme droughts, according to a study that underlines the importance of taking a forest's history into consideration when deciding how best to conserve and manage it.