In order to comprehend the spread of the invasive North American plant known as ragweed, researchers looked into its genes. One of the world's biggest environmental issues is alien species. However, scientists often are unable to explain why or how these species are able to spread so rapidly. “I
The plant, Ambrosia artemisiifolia , has already spread all the way to Denmark.
The fifth concern, however, is one that many people may not have considered: alien species that move into places where they do not belong. However, scientists know they pose a big problem. In this way, the researchers were able to follow how common ragweed has evolved since the plant arrived in Europe. This information provided answers that helped them better understand what led to the enormous spread today.Causing problems worldwide
Cats are one of the really big threats to birds and other animals worldwide. In the USA they kill up to four billion birds and more than 20 billion mammals annually, while in Norway outdoor cats kill about seven million birds. If you really want to help the environment, you should keep your cat inside – and get it neutered, too.So, getting back to Europe and common ragweed. The research group found answers that can explain why this plant has been so successful.
“We discovered that the plant hybridized in Europe with closely related species that were introduced around the same time,” says Michael Martin.
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