Sentences with phrase «bumblebee populations»
It is hoped that this «positive loop» between solar parks and local green spaces will further encourage the establishment of healthy bumblebee populations, as well as Britain's rarer bumblebees.
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«Protecting bumblebee species and habitats, restoring degraded ecosystems and promoting biodiversity - friendly agricultural practices will be essential to reverse the negative trends in European bumblebee populations,» said Ana Nieto, European Biodiversity Officer of IUCN and coordinator of the study.
-- Bumblebee populations down 70 % since 1970.
More on Bees, Pollinators and Colony Collapse Disorder Some Bumblebee Populations See 96 % Decline Colony Collapse Disorder and the Epic Fight to Save the Bees Ellen Page Speaks Out About the Vanishing of the Bees The Vanishing of the Bees Documents the Ongoing Decline of the Honeybee
«Here we show for the first time that the management of uncropped land under Higher Level Stewardship can significantly increase the size of bumblebee populations.»
The study suggests that some diseases are being driven into wild bumblebee populations from managed honeybees.
The Rocky Mountain Biological Laboratory is exacting about using non-destructive methodologies so that researchers don't have a negative impact on the bumblebee populations.
«This study shows that neonicotinoids could be having a devastating effect on wild bumblebee populations,» said Raine.
«Given the vital role spring queens have in maintaining bumblebee populations, we decided to focus on assessing the impacts at this stage in the life cycle,» said Raine, a professor in the School of Environmental Sciences.
«Don't «bee» worried: Researcher says endangered bumblebee populations will rise again.»
All you need is a camera and an Internet connection to help researchers track bumblebee populations.
Not exact matches
«Bees are essential to our food chain and the populations of our native bumblebees have declined in recent decades.
The finding of rapid adaptation is «a glimmer of hope» for bumblebees, whose populations worldwide are declining, Galen said.
Rising temperatures in alpine habitats worldwide have resulted in declines in flowering among indigenous plants and contributed to dramatic declines in populations of several bumblebee species prevalent in those regions.
If other bumblebees are likewise adjusting, «there's a prospect that bee populations that are facing climate change can evolve to some degree to not suffer the negative impacts.»
The introduction of a European bumblebee to South America — and the parasite that the bee carries — may have decimated populations of that continent's indigenous «giant bumblebee,» scientists reported last week in Biological Invasions.
The coincidence of N. bombi infections and losses of bumblebees in wild and commercial populations suggests the fungus is a key player in bumble bee declines, Cameron said.
The study, published in the journal Behavioural Ecology and Sociobiology, combines mathematical modelling with an analysis of population changes in 221 bird and 43 bumblebee species worldwide.
Thomas said: «A consistent problem in assessing the response of bumblebees to agri - environment schemes has been that it is unclear whether a high observed abundance of bumblebees was merely an attraction of workers to sown forage patches or a genuine population level increase.
A two - year study of farms in West Sussex and Hampshire in the UK found that England's most common bumblebee species saw significant population growth where targeted, bee - friendly planting schemes were in place.
He found significantly greater numbers of common bumblebees on HLS farms and, crucially, evidence of far higher nesting density, indicating population growth.
«Bumblebees are intriguing creatures to study,» explained Dr. Sadd, «but growing threats to their health are affecting bee populations around the world, making it especially critical to improve our understanding of their biology.»
«As a group, the bumblebees were consistently lower than average in their heat tolerance, and their populations tended to decline,» said Youngsteadt, adding, «Almost all of the species we looked at declined with warming.»
The new finding could help explain why populations of bumblebees also are shrinking.
Over at The Guardian, Alok Jha writes that 4 common species of bumblebee in the US have seen declines in population of as much as 96 % in the last few decades:
Europe is still home to 68 different bumblebee species — of which according to IUCN 24 percent are now directly threatened with extinction and about half have clearly declining populations.
Nosema bombi, a single - celled parasite, originally from Europe, was found to have infected the dwindling populations of 4 types of bumblebees that saw their ranges shrink by between 23 % and 87 %.
Given the pressing urgency of Colony Collapse Disorder, and the staggering decline in some bumblebee and butterfly populations, it has been a delight to watch (and hear) the bees, wasps, butterflies and dragon flies that have descended on our yard.