Research shows that the size of a city garden has little relationship to the amount of nectar it can produce. Credit: Nick Upton/Alamy

Small gardens are as important as big gardens for conserving bees and other pollinators in UK cities, a study has found.

Worldwide, bee populations are declining. Habitat destruction, pesticide use, and climate change have led to the disappearance of some pollinators, but researchers found that small urban gardens are some of the most pollinator-friendly places.

The study, published in the Journal of Applied Ecology, found that the size of gardens in Bristol had little relationship to the amount of nectar produced.

“Most of the nectar produced in gardens is by a shrub in the corner or a border around the edge of the garden,” said Nicholas Tew, a PhD student at the University of Bristol. “There are some very flower-rich small gardens and some very flower-poor big gardens.”

Previous studies have shown that gardens and allotments are important sources of nectar, the sugar-rich energy source pollinators need, but allotments cover only 1% of cities, and […]

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