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Species Diversity in Nature Linked to Human Wellbeing

A recent study examines the relationship between species diversity and well-being in Europe.

According to the UN, more than 55% of the world’s population lived in urban areas in 2018. That number is expected to increase to 68% by 2050. Studies have shown that city residents that live close to a park or greenspace have a higher sense of well-being and are more satisfied. Access to these areas also improves cognitive function and development as well as lowers stress.

Most studies already conducted focused on just a few things such as closeness to water or parks. A few recent studies examined biodiversity, the number of plants and animals living close by, of the greenspaces. However, ecological measures of biodiversity were not used which measure the number of plant and animal species. Additionally, the greenspaces were small.

To close the gap, researchers from the Senckenberg Biodiversity and Climate Research Centre, the iDiv, and the Goethe University in Frankfurt performed a large-scale assessment of species diversity and life satisfaction for the continent of Europe. Their results were published in the journal Ecological Economics.

The researchers used the 2012 European Quality of Life Survey (EQLS) to quantify peoples’ sense of well being. The data included responses from 43,636 people from 34 European countries and 330 areas of the European Union. The EQLS surveyed participants to determine their life satisfaction on a scale of 1 to 10. 

Access to green space was also quantified on a scale of 1 to 5, with 1 being great difficulty. This data was cross referenced with the areas’ gross domestic product, population density, and unemployment rate. Species diversity was measured based on satellite imagery, climate data, and species distribution maps. Species richness was figured from the number of birds, mammals, and trees in the region.

After cross referencing the data and performing statistical analyses, the research team determined that greater species diversity is positively related to a greater sense of well being. Specifically, the greater number and diversity of birds increased participants’ sense of well being. The researchers did not find any association between mammals or trees in the area.

Easy and very easy access to public green spaces increased the participants’ sense of well being. The study authors hope this data will improve regional environmental management policies. Future studies will focus on the causes of improved life satisfaction due to species diversity.

Written by: Rebecca K. Blankenship, B.Sc.

References:

1. Methorst J, Rehdanz K, Mueller T, Hansjurgens B, Bonn A, Bohnin-Gaese K. The importance of species diversity for human well-being in Europe. Ecological Economics. 2020. doi:10.1016/j.ecolecon.2020.106917

2. United Nations, Department of Economic and Social Affairs, Population Division (2019). World Urbanization Prospects 2018: Highlights (ST/ESA/SER.A/421). 

Image by homecare119 from Pixabay 

Rebecca Blankenship BSc
Rebecca Blankenship BSc
Rebecca Blankenship is a freelance technical writer. She reviews, edits, and authors internal quality documentation required for regulatory compliance. She has twenty years experience in industrial pharma/medical device quality management systems and an honors BSc in chemistry. She is a natural born rule follower and enjoys applying this strength to help others be audit ready to meet regulatory requirements. She also loves learning about the latest scientific discoveries while writing for Medical News Bulletin. Her free time is spent as a full-time mom, encouraging can-do attitudes and cooperation in her three children.
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