A recent study has found that bird communities inside and outside protected areas are beginning to resemble each other as a result of climate change. In both areas, southern species increase in abundance, while northern species decrease.
A recent study by University of Helsinki researchers has found that bird communities inside and outside protected areas are beginning to resemble each other as a result of climate change. In both areas, southern species increase in abundance, while northern species decrease.
"Protected areas are more effective in helping cold-dwelling northern bird species, but it was surprising to discover that southern species increased faster in abundance inside than outside protected areas," explains Doctoral ResearcherPrevious studies from countries including Finland have demonstrated that protected areas slow down changes in species communities.
"This indicates that protected areas, in particular, are highly significant for the northern spread of southern species. However, protected areas cannot entirely guarantee protection for declining northern species," notes Hintsanen.Long-term observation data are vital for bird research. They enable researchers to assess the impact on birds of climate change. In Canada, volunteers have recorded the number of individual breeding birds for decades.
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