Sentences with phrase «fly population in»

Not exact matches

Watch the generations fly by in this animation showing the changing age composition of the U.S. population.
In 2017, nearly half of the U.S. adult population flew on an airline in the past 12 months, compared to only a quarter of adults 40 years agIn 2017, nearly half of the U.S. adult population flew on an airline in the past 12 months, compared to only a quarter of adults 40 years agin the past 12 months, compared to only a quarter of adults 40 years ago.
The collapse in the bird population mirrors the discovery last October that over three quarters of all flying insects in Germany have vanished in just three decades.
An Oklahoma lawmaker told CNN that the Satanists» message wouldn't fly in the Bible Belt state, where nearly two - thirds of the population is Christian.
I put them in a bowl and admired them for a few days until our resident fruit flies had a population explosion.
As history shows the track record of no - fly zones in protecting populations is quite mixed.
By looking at fruit flies, rather than social animals, the researchers believe that they have gained a greater understanding of the role that fear may play in the decline and extinctions of various populations.
The study, led by Dr Allan Debelle and Dr Rhonda Snook in the University's Department of Animal and Plant Sciences, looked at the mating patterns of fruit flies after they evolved for 100 generations in either polyandrous populations (where several males have to compete for a single female) and monogamous populations (where each male has access to only one female).
Males who evolve in male - dominated populations become far better at securing females than those who grow up in monogamous populations, according to new research into the behaviour of fruit flies at the University of Sheffield.
Scientists in northern Spain tracking populations of Drosophila subobscura, a type of fly, observed reversible changes in the frequency of genetic mutations, or «chromosomal inversions» in the flies» genomes — essentially, parts of the chromosome get flipped around with the seasons, as the weather changes from hot to cold.
«[Golden Malrin] is an important tool in reducing fly populations which have the potential to spread disease to livestock and humans,» wrote Mark Newberg, a representative for Wellmark International in Schaumburg, Illinois, which produces Golden Malrin, in an email.
It is of no immediate concern to caiman populations in South America because the ants and caimans co-evolved there, and natural red fire ant predators, such as the decapitating fly, help keep the ants in check.
The buzzes of bees flying from flower to flower tell scientists how much pollination the clover population is getting over time and predict seed production in these alpine wildflowers.
However, other populations in the region that lack such genetic diversity and are unable to adapt to the harsher conditions could become isolated if they can not fly to more climatically suitable areas because the landscape in between is unsuitable.
The study, conducted using fruit fly populations bred to model natural variations in human sleep patterns, provides new clues to how genes for sleep duration are linked to a wide variety of biological processes.
It did not begin to seriously discuss the risks associated with using the approach to engineer genes that could quickly spread through wild populations — known as gene drives — until after experiments demonstrating the concept in fruit flies had been published in a peer - reviewed journal (V. M. Gantz & E. Bier Science 348,442 — 444; 2015).
«We've designed a gene drive system that dramatically biases inheritance in these flies and can spread through their populations,» said Buchman.
Some populations migrate 2,500 km each autumn from Svalbard to Scotland, yet in the run up to migration they fly for only a few minutes each day — short bursts of flight that perhaps mirror the modern high - intensity training (HIT) regimes human athletes use to boost maximal aerobic capacity.
Humans in costume reared captive chicks and flew in light aircraft to guide the cranes» migration, but now the population has grown it's back to nature's way
Their end goal is to identify specific populations of neurons in the fruit fly brain that are necessary for emotion primitives — and whether these functions are conserved in higher organisms, such as mice or even humans.
The flying foxes on Pemba Island in the Indian Ocean were reduced to just a few individuals in the 1980s, but the population recovered to more than 20,000 over the course of 20 years of conservation efforts.
In lab experiments, the designer flies successfully competed with non-GM males for mates and caused the population to nosedive within 10 weeks (BMC Biology, doi.org/nvd).
When scientists brought in a native enemy of knapweed in an effort to control its spread — the gall fly — the knapweed population continued to thrive.
The new study «shows that the fly has the potential to drive populations of the most common species of Darwin's finch to extinction in several decades,» says biology professor Dale Clayton, senior author of the study published online Dec. 18 in the Journal of Applied Ecology.
«Extensive surveys are now needed on the distribution of the flies in the global honey bee population,» says bee pathologist Elke Genersch of the Institute for Bee Research in Hohen Neuendorf, Germany, who was not involved in the study.
In a specialized population of flies that could not detoxify alcohol, however, the genetic engineering made no difference whatsoever.
A high moose population density and mild autumn weather result in a higher prevalence of deer keds (louse fly parasite).
The duskywing doesn't fly as well, and it eats oak leaves only as a caterpillar, so many populations may live in particular Garry oak sites like little islands, never breeding with butterflies from the next savanna over.
The team also compared the response of flies in cages (which experienced the local temperature and humidity, but not interactions with other species) with the abundance of D. birchii in wild populations at the same sites along mountain gradients (where other species were also present), to test whether interactions among species affect responses to climate change.
One trick that has worked against the tsetse fly in Zanzibar and the screw - worm fly in North America is to release billions of sterilised males to swamp the wild population.
Sand flies, not previously found in Lebanon, have apparently now been introduced by refugees from Syria, and there is concern that they will become established there and continue to threaten the refugee and local populations.
It was accomplished by two biologists at UC San Diego working on the fruit fly Drosophila melanogaster who employed a new genomic technology to change how mutations could spread through a population — a concept long established in plants by the father of modern genetics, Gregor Mendel.
A different research group recently found that the Osiris gene cluster is under strong selection in an isolated population of the fly D. yakuba that has just begun adapting to a diet of poison - laden noni, another clue that learning more about these genes may be crucial for understanding OA resistance and this compelling model of ecological adaptation.
The arena of LED arrays create a pattern of moving light bars that elicit rapid reflexive walking behaviors in a freely moving population of flies.
We combined two - photon calcium imaging in head - fixed flying flies with optogenetics to overwrite the existing population representation with an artificial one, which was then maintained by the circuit with naturalistic dynamics.
With a population comprised of over 60 nationalities and droves of fly - in fly - out workers, diversity certainly isn't an issue when it comes to prospective partner options.
A brief, bloody prelude introduces us to a town in which the entire adult population has been brutally murdered and a «Lord of the Flies» - style community of children rules.
Having done so, I weighed the odds of an infected mosquito flying it's maximum three hundred yard range in order to feast on my house - dogs when a.) there are no loose dogs in my country club neighborhood, and b.) my dogs are sold to people in upper class neighborhoods where there is no medically - deprived dog population.
Give local rescues $ 100k and I guarantee you they won't be flying in dogs from out of state, but will be working to fix the over pet population in our county.
I have been on planes where passengers became severly ill, more so than a dog bite — such as when Dr. Jed herniated a disc in his spine on our L - O - O - O - O - O - O - O - N - G flight to SE Asia sitting in tiny seats engineered for the shorter Asian flying population (no joke).
in the flea and tick population here — not to mention mosquitoes, flies, sand flies, mites, and lice.
The virus, which occurs naturally in the flying fox (or fruit bat) population of the region, can be transmitted from the bat to horse, which then can transmit it to other horses and humans.
While large proportions of raptors that have died in local rehabilitation facilities have tested positive for rodenticide presence, virtually nothing is known about their prevalence in free - flying raptor populations.
I'm going to show you exactly how the hubster and I flew to Asia — in business class — and stayed in fancy - schmancy hotels — that often left us feeling a few tax brackets below the rest of the population — all for under $ 650.
Cuba: For years the quality of scuba diving in Cuba has flown under the radar, but news of sharks, groupers, caimans, thriving reefs and fish populations is changing that.
Beware, the shard is sought after and the local population may chase after you, resulting in a friendly convoy of butterflies or a nerve - racking chase by blackbirds which if they manage to grab the shard will fly around with it until you manage to get it back off them!
What is most infuriating about Johnson's decision is that 16 other states, representing over half of the U.S. population, had either already adopted or pledged to adopt California's tailpipe emissions rules - flying in the face of his «patchwork of state rules» argument.
Other long - distance migratory birds with population declines are the spotted flycatcher (Muscicapa striata) and the common redshank (Tringa tetanus) a wader that breeds along intertidal habitats in northern Europe, and that splits in subpopulations during winter months, some birds staying in Europe, others flying to Africa.
Figueres's words fly in the face of the IPCC, to reinvent its position, to manufacture legitimacy for the UNFCCC, which instructs governments on what they should do, no matter what the wishes of the populations represented by those governments are.
The video above is just one example of how organic farmers encourage natural checks and balances to control insects and pests — in this case stringing up bird houses across a dairy farm to encourage swallows, which in turn keep down the fly population.
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