Sentences with phrase «as pollination»

«The evidence is overwhelming that hundreds of the native bees we depend on for ecosystem stability, as well as pollination services worth billions of dollars, are spiraling toward extinction,» says Kelsey Kopec, a native pollinator researcher at the Center and author of the study.

Dr Vallejo - Marin said: «Our findings have implications for the effects of pesticides on bee populations as well as the pollination services they provide.

«The study adds to the now large body of evidence from lab - and field - based studies that neonicotinoids reduce learning and memory in bees, impair their communication, foraging efficiency and immune systems and, crucially, reduce their reproductive success as well as the pollination services that they can provide.

The regeneration cycle of plants includes processes that are beneficial to plants, such as pollination, seed dispersal and the recruitment of seedlings, as well as detrimental processes, such as seed predation and herbivory.

Researchers suggest this is an added bonus of having bees around, as well as the pollination they provide.

It supports our food supply from the soil to the delivery of vital ecosystem services such as pollination.

Not exact matches

As Dave Hackenburg, who runs an industrial pollination services company in Pennsylvania, says, «If you start shortening lives of bees, just by a few days, young bees have to go to the field earlier, and the whole thing gets messed up.»

Pollination of the hermaphrodite flowers, a genetic characteristic of the most commonly cultivated varieties, is assisted by rain, which increases the efficiency of pollen distribution as water flows down the flower cluster.

We simply can't guarantee against cross pollination due to natural occurrences such as wind drift, so we do not label our products GMO - free.

Biodiversity loss, environmental degradation and severe impacts on ecosystem services — which refer to nature's support of wildlife habitat, crop pollination, soil health and other benefits — have not only accompanied conventional farming systems, but have often extended well beyond the boundaries of their fields, such as fertilizer runoff into rivers.

CPI noted that in their trials, Bhut Jolokia never produced fruits without artificial pollination in the greenhouse, and little pollen was produced (which means their flowers might need a little help with a fine brush indoors — insects, especially bees, can be helpful as well).

As I understand it, the policy at just arsenal is to promote debate and cross pollination of ideas, however those that call themselves AOBs have contaminated the good policy by their obsession with Wenger sacking.

They found that the factors that most greatly accelerated the formation of new species were life in extensive mountain ranges (like the Andes and New Guinea Highlands); the evolution of epiphytism (life in the trees); pollination by orchid bees, moths, or butterflies; and origin of pollinia (packages of hundreds to thousands of pollen grains dispersed as a unit).

Now, research from the University of Wisconsin - Madison, published last week in Proceedings of the Royal Society B, corroborates many of these explanations, but finds no evidence for other logical suggestions, such as that deceitful pollination.

Hungarian researchers have developed drones that can fly as an autonomous flock, opening new possibilities for the artificial pollination of crops or search and rescue missions.

Stories of exquisitely specialized pollination systems — such as those of yuccas, which are pollinated only by coevolved moth species — can give the impression that pollination is an exclusive, highly choreographed dance.

In The Winter's Tale, William Shakespeare laced Perdita's voice with anxiety and disgust as she condemned «Nature's bastards,» new varieties of flowers created by Elizabethan methods of artificial pollination.

They were interested to learn how the arrangement of flowers — such as circled around the stem or in a line — affects pollination.

On a practical level, scientists would like to be able to use lab - propagation techniques on crop plants such as maize that still require normal pollination.

To produce the supply, tropical countries have been converting their forests for crop and livestock production, leading to a loss of biodiversity and ecosystem services, such as carbon sequestration, flood protection or pollination, while increasing carbon dioxide emissions.

And as the native pollinators go, so, too, might some local floras that need specialized pollination, the study authors note.

Then there are the bees: Regardless of whether honeybees become extinct as a species as a result of colony collapse disorder, climate change and other threats, the local extinction of various honeybee populations and the pollination they provide could spell disaster for human agriculture.

Paradoxically, as more land around the globe is put to agricultural use for pollination - dependent crops, indigenous bee species get crowded out.

«The global reliance on honeybees for pollination is a risky strategy given the threats to the health of managed honeybee populations due to pests and diseases such as Varroa mites and colony collapse disorder.

«Tricellular pollen develops rapidly after pollination, and so it would be favored in many of the unique lifestyles of angiosperms that demand rapid reproduction, such as herbs, annuals, and herbaceous aquatics,» Williams notes.

But those same chemical defenses can reduce the number of visits to the plant by pollinators such as bees, resulting in less pollination of individual plants and decreased growth.

«I'm currently working with large datasets that will allow me to look for correlations between dispersal traits — such as pollen dimensions, DNA content, cell number, pollen energy reserves, water content, pollination syndromes — and pollen tube performance traits — such as tube dimensions and elongation rates, style lengths and duration of growth,» concludes Williams.

On top of that, during huge crop pollination events such as the almond bloom, around 1.5 million hives from around the country converge in California, creating near - perfect conditions for transmitting diseases.

Artificial light at night as a new threat to pollination.

While wild bees don't get the same amount of attention as honey bees or bumblebees, they are a critical piece of the pollination puzzle.

More than 94 percent of flowering tropical plants and 75 percent of the world's leading food crops require pollination by animals such as bees, bats and hummingbirds.

«This means that future studies on sexually deceptive pollination should also look at pollinator behaviour as a driver of floral trait evolution, as the role of flower morphology may play a much larger role in the pollination of these intriguing orchids than was previously realised.»

68 Moss Sex Points To Precursor of Pollination Arthropods may act as go - betweens for moss procreation...

The preliminary findings of the study — which examined a type of pollination unique to bees known as «buzz pollination» — will be presented at the British Ecological Society's annual meeting in Liverpool this week.

As climate change continues to be responsible for out - of - sync bee emergence with flowering periods and bee - specific pollination events, pollination ecology has become an ever - increasing valuable field of study that helps us understand the ecological impact of these environmental changes.

Seedlessness in table grapes results from the abortion of the embryonic plant that is produced by fertilization, a phenomenon known as stenospermocarpy which requires normal pollination and fertilization.

Though it's rare for plants to use sound as an attraction tactic, there are other species that employ this technique, like some bat - pollinated plants in the Neotropics; this, however, is the first example of a plant that doesn't use the strategy for pollination.

In other studies, scientists have documented the ecological functions that birds perform, such as seed dispersal, pollination and herbivore control.

Most Penstemon species that display the hummingbird pollination syndrome, such as Penstemon utahensis shown here, represent independent evolutionary origins of this phenotype.

«We really must begin understanding pollination as a global ecological service.

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And the spectacular discovery also suggests another conclusion: If a pollinating bird lived as much as 47 million years ago, it must be assumed that some representatives of the flora at that time had already adapted to this mode of pollination.

However, some Bulbophyllum species attract male fruit flies (Bactrocera spp.) solely via a floral chemical which simultaneously acts as a floral reward (e.g. methyl eugenol, raspberry ketone, or zingerone) to perform pollination.

We will also undermine ecosystem functions (e.g., pollination which is critical for food production) and ecosystem resilience (when losing keystone species in food chains), as well as reduce functional diversity (critical for the ability of ecosystems to respond to shocks and stress) and genetic diversity that plays an important role for development of new medicines, materials, and sources of energy.

I just don't agree with taking Bees honey as I wonder if it will stop the pollination of plants if bees no longer keep there honey what would be the point in bees getting pollen from plants.

The challenging «Pollination Practice» game lets you specify the aim and power of your weapon as you try to hit flowers with pollen.

Perhaps learning from the excesses of Happy Feet, the creative minds behind this film make every effort to keep the action and tone light and frothy, even when dealing with such serious issues as bee cruelty and the potential end of human civilization without the important floral pollination process that bees provide.

Duration: Approximately 60 mins 52 slides covering: • Flower Structure - The Perianth • Flower Structure - The Calyx and Corolla • Male Reproductive Organs • Female Reproductive Organs • The Ovary • The Nectaries • Categorising Flowering Plants • The Production of Pollen Grains • The Flowering Plant Male Gametophyte • The Structure of the Ovule • The Embryo Sac as a Spore • Pollination • Pollination - Anthers • Dioecious and Monoecious Plants • Protandry and Protogyny • Self - incompatibility • Special Floral Structure Arrangements • Wind Pollination • Wind Pollination Versus Insect Pollination • Fertilization • Pollen Germination • Development of the Seed and Fruit

Some argue for subject - specific academic words, such as circumference and pollination (Marzano & Pickering, 2005), and others for words that cut across disciplines, such as synthesize or infer (Coxhead, 2000).

The exhibition highlights well - known works in the collection, such as Lee Krasner's 1968 Pollination and Dorothea Tanning's 1979 Pincushion to Serve as Fetish, alongside recent acquisitions that have previously never been on view.