Sentences with phrase «pollinator species»

Organic agriculture reduces pesticide use and supports 50 percent more pollinator species than chemical - intensive industrial agriculture.

Although scientific debate continues on the ultimate causes of CCD, Fhoneybee declines have served as an important wakeup call to protect both our managed and wild pollinator species.

While butterflies and honeybees attract the most attention in terms of the pollinator species that are facing declines, Chris Hartley, the coordinator of science education at the Butterfly House in Faust Park, said that there are many more species of pollinator bees, beetles and flies.

The recent dramatic losses of thousands of honey bee colonies due to colony collapse disorder (CCD) and other causes [6], [7] has not only created great concerns in the scientific and agricultural community but has also highlighted the ever increasing risk of future crises in the global food supply due to our sole dependence on single pollinator species [8].

Unfortunately, just as our domesticated honeybees are facing a major population drop off, so too are many other pollinator species.

With the recent sobering statistics on bee colony collapse disorder and its implications on these vital pollinator species and humans» food security, many beekeepers are turning to bee - friendly alternatives and even technology to keep bee populations from dying off.

Over the course of each flowering season, Chris leads a team of Willamette University students, field staff, out - of - town collaborators, and willing volunteers in an ongoing experiment to understand how the trees match two different, highly specialized, pollinator species.

Tikaboo provides a natural «common garden» where it's possible to swap the pollinator species between the two Joshua trees, to see how things work out for all of them.

The work re-ignites arguments to ban neonics, and certainly comparable studies are now need on other pollinator species given that honey bees are by no means the contributor to crop pollination.»

«This is an important paper that highlights the cocktail of pesticides (insecticides and fungicides etc) used in agriculture, as well as providing further context regarding the levels consumed by two key pollinator species — honey bees and bumble bees.

«One would assume that such a distructive type of farming would have negative consequences for the diversity of pollinator species - particularly bees,» explains Landaverde - González.

Research continues to show the ways in which neonicotinoids, the most widely used group of insecticides in the world, are having devastating effects on pollinator species, and new research reveals that some of these compounds are toxic to monarch caterpillars.

«Our take home message is that while it's important for us to continue to research how we can improve the health of managed honey bee colonies for agricultural success, we need to further understand how this cosmopolitan and highly successful species impacts the ecology and evolutionary dynamics of plant and pollinator species in natural ecosystems,» said Hung.

Dr Dino McMahon, from Queen's University, Belfast, said: «Our findings are important because they indicate that many viruses can spread easily between pollinator species and, furthermore, that they can reach very high disease levels in wild bumblebees.»

Some studies have indicated that plants can tolerate losing most pollinator species in an ecosystem as long as other pollinators remain to take up the slack.

«If a nectar resource is abundant and highly rewarding, more types of pollinators will go for it, leaving out some of the rarer plants that some of the other pollinator species normally specialize in.»

«These networks are dynamic and when a pollinator species is missing, we're going to see both qualitative and quantitative changes.

Biology Letters published the research, which may have implications for the survival of both rare wild plants and major food crops as many pollinator species are in decline.

«Bees «betray» their flowers when pollinator species decline.»

Their team conducted field experiments to learn how the removal of a single pollinator species would affect the plant - pollinator relationship.

By comparing this historical data for 21 sites across England with recent pollinator records and land cover maps, they found that 85 % of sites had suffered declines in pollinator species richness of between 10 and 50 % over the past 80 - 100 years.

However, due to a cocktail of environmental stressors some pollinator species are declining and the pollination services they provide may be under threat.

This gives rise to concern, especially in the light of ongoing climate change which is likely to affect not only the distribution of important pollinator species but also the entire functional structure of pollinator assemblages.

The team examined the crop species alfalfa (Medicago sativa), which requires insect pollination to produce seeds, and the native plant species common boneset (Eupatorium perfoliatum), which is highly attractive to a wide range of pollinator species.

Dennis and Kemp conclude that much might be gained from coordinated regional management of pesticides for beekeepers and crop producers and from conservation programs that contribute to improving foraging resources for all pollinator species.

«One would assume that such a distructive type of farming would have negative consequences for the diversity of pollinator species — particularly bees,» explains Landaverde - González.

My oldest daughter has, from the time she could talk, decided she wants to be an entomologist, to find better ways to save endangered pollinator species.

Not exact matches

The provision of structures providing food and shelter, and the lack of pesticide use, attract new or re-colonizing species to the organic area (both permanent and migratory), including wild flora and fauna (e.g. birds) and organisms beneficial to the organic system such as pollinators and pest predators.

With regard to pollinators, which greatly benefit from a richness of flowers, the fact that flowering weeds are more diverse and more abundant in organic arable fields and in organic grassland compared to conventional fields, where only few species and numbers were found, is particularly important.

Currently, 82 species of mammalian pollinators, including bats, 103 species of avian pollinators and one reptile are considered threatened or extinct according to IUCN criteria, the ratio of threatened vertebrate pollinators to the total numbers of vertebrates in their genera being extremely high.

Declines in populations of pollinators now threaten both the yields of major food crops and the survival of wild plant species.

Of the hundred principal crops that make up most of the world's food supply, only 15 percent are pollinated by domestic bees (mostly honey bees, bumble bees and alfalfa leafcutter bees), while at least 80 percent are pollinated by wild bees and other wildlife (as there are an estimated 25 000 bee species, the total number of pollinators probably exceeds 40 000 species).

Over 80 percent of all flowering plant species and over three - quarters of the major world crops rely on animal pollinators.

Pollinators provide an essential ecosystem service that contributes to the maintenance of biodiversity, and ensures the survival of plant species including plants that provide food security to numerous households.

He was also a visiting research fellow at the University of São Paulo in Brazil, visiting in 1998 to study pollinator ecology, which included different species of bees and hoverflies, and again in 2003 to study wild bee ecology.

«Identifying which of these candidate genes actually causes variation in responses to cold snaps will give us the potential to understand whether evolution to climate change can occur in both wild and domesticated animals, allowing us to better predict which species or breeds will be «winners» and «losers» and to better mitigate the effects of anthropogenic climate change on a wide range of organisms from beneficial pollinators to invasive pests,» said Theodore Morgan an associate professor of evolutionary genetics in the Division of Biology at Kansas State University and senior author of the study.

Only 13 species were found both in a trap and on a flower, and of the nine potential pollinators in that group, none were found in high numbers.

«Orchids, almost alone among flowering plants, have a large number of species that lure pollinators by mimicking a mate, or a nesting site or food resources — «lies all for the sake of love» — but such deceit seems to have played no role in accelerating the formation of new orchid species.»

«It might take ten to fifteen different species of native plants to support this array of pollinators.»

Researchers examined the species and behaviors of pollinators on different types of crops across the globe.

A team affiliated with the United Nations just released a comprehensive assessment of threats facing the world's pollinators, concluding that many species will go extinct without an international push to save them.

The threatened species include at least 9 % of bees and butterflies and about 16 % of vertebrate pollinators such as bats and hummingbirds.

Monitoring hummingbird populations during the peak of fall migration in the Chiricahua Mountains helps scientists foresee how these primary pollinators of more than 150 U.S. flowering plant species respond to changes in climate

But the agency typically tests only on honeybees, using them as surrogates for all pollinators, despite differences between bee species.

Previous modeling studies have looked at the direct effects of herbivory on a three - species community: flowering plant, pollinator and herbivore.

The researchers showed that floral scent is crucial for successful pollination: Manduca sexta hawk moths, the most important pollinators of the wild tobacco species Nicotiana attenuata, use their proboscis to smell the floral volatiles when they visit flowers.

«It suggests that the findings we can manage locally, like pesticides, habitat destruction and planting companion plants, can actually make a difference because these factors can buy pollinators time for natural selection and evolution, thus allowing the species to keep pace with the things that we can't manage locally,» said Galen.

In a study published this year researchers from Williams's and Kremen's labs found that honeybees became even more effective pollinators of almond trees in the presence of both various native species and blue orchard bees, a managed species.

As colony collapse disorder and other maladies continue to devastate honeybee populations, researchers are turning their attention to alternative pollinators — the thousands of native bee species throughout the country — and are looking for ways to make croplands more attractive to these wild bees.

The scientists found that application of dicamba inhibited or delayed flowering in common boneset (Eupatorium perfoliatum), resulting in significantly reduced visitation by insect species, including honeybees (pollinators) and syrphid flies (natural enemies).