It is therefore not city parks that have been compared to countryside forests, emphasizes William Sidemo Holm. The study is one of the first to compare the diversity of similar habitats along a ...

A new study shows that cities negatively affect the diversity of birds. There are significantly fewer bird species in urban forests compared with forests in the countryside -- even if the forest areas ...

The results deepen our knowledge of the impact of cities on biodiversity, says William Sidemo Holm, one of the researchers behind the study. It is already well known that urbanization is one of the ...