Are pollinators sensitive to climate change, urbanization?

Image of blazing sun over city.

(Bowling Green State University) Newly-funded research will look at how bees are impacted by climate change and urbanization. The research will focus on bees in five sets of paired cities that represent a wide range of temperatures and precipitation. The researchers have identified six groups of bees that are considered “economically important and in large enough quantities in each of the cities.” They plan to study honey bees, bumble bees, carpenter bees, sweat bees, mason bees and leafcutting bees.

Mountain butterflies ‘will have to be relocated as habitats get too hot’

Image of mountain ringlet butterfly.

(The Guardian) The diversity and resilience of cold-loving butterfly species is threatened by global heating which will destroy genetically unique populations, according to a study. Native mountain-dwelling butterflies such as the mountain ringlet, the bright-eyed ringlet and the dewy ringlet will have to be translocated to higher altitudes as their cooler habitat disappears to avoid extinction.

Fossil pollen record suggests vulnerability to mass extinction ahead

Image of two researchers in woods.

(Georgia Institute of Technology) Reduced resilience of plant biomes in North America could be setting the stage for the kind of mass extinctions not seen since the retreat of glaciers and arrival of humans about 13,000 years ago, cautions a new study. “Our work indicates that landscapes today are once again exhibiting low resilience, foreboding potential extinctions to come. Conservation strategies focused on improving both landscape and ecosystem resilience by increasing local connectivity and targeting regions with high richness and diverse landforms can mitigate these extinction risks.”

Ecologists report climate change affecting bee, plant life cycle

Image of miner bee on flower.

(EurekAlert, Utah State University) “We find bee emergence timing is advancing with snowmelt timing, but bee phenology – timing of emergence, peak abundance and senescence – is less sensitive than flower phenology. Given global concerns about pollinator declines, the research provides important insight into the potential for reduced synchrony between flowers and their pollinators under climate change.”