Sentences with phrase «by beetles»

For mountain pine beetles, the study found fire severity was high immediately after an outbreak, but over time as the number of trees killed by the beetle outbreak grew, fire severity leveled out.
Drawing on nature's design library has given birth to glue inspired by lizards, coatings inspired by beetles,
The greater Yellowstone ecosystem, an area the size of South Carolina sprawling for 31,000 square miles across Montana, Wyoming and Idaho, has been hit particularly hard by beetle outbreak.
The principle pollinators are bees: approximately 73 percent of the world's cultivated crops, such as cashews, squash, mangoes, cocoa, cranberries and blueberries, are pollinated by some variety of bees, 19 percent of flies, 6.5 percent by bats, 5 percent by wasps, 5 percent by beetles, 4 percent by birds, and 4 percent by butterflies and moths62.
Australia's cane fields were being ravaged by beetles.
Already, the insect's reach had begun to spread, with the area of forest affected by beetle kill more than doubling between 1999 and 2001.
«Stridulation, or chirping, sounds produced by the beetles have been reported with respect to mating and aggressive male behavior, and while previous studies proposed the mechanism and reported on some preliminary acoustic recording of the chirps, the chirp characteristics have not been examined extensively,» explained John Allen, a scientist at the University of Hawaii.
(The wild bees naturally nest in abandoned holes in trees created by beetles.)
A study found that insectivorous birds cut infestations by the beetle Hypothenemus hampei by about half, saving a medium - sized coffee farm up to US$ 9,400 over a year's harvest — roughly equal to Costa Rica's average per - capita income.
Methane is primarily born under anaerobic conditions, and the tunneling by beetles seems to aerate the pats.
That means it's likely that «the holes were made by beetles 900 years ago... the oldest example of wormholes I've ever seen,» says Hedges, who uses DNA and the size of the holes to assess the type of beetle and so help identify where books were made; the DNA will also help him trace the evolution of the bookworms themselves.
It is believed the fungus spreads through the environment by beetles boring into dead infected trees, generating disease - tainted frass [5] that is then spread via wind.
We conclude that the interaction between actively feeding P. marginata larvae and the substrate suppressed fungal growth through either consumption by the beetle larvae [47] of fungal biomass or through unknown chemical or combined chemical / mechanical mechanisms.
Only if there is sufficient rotini collected by the beetles.
Harvey is represented in the UK by Beetles + Huxley, London.
«A weaker defense system may also be why we are seeing a strong preference now by the beetle for whitebark pine over lodgepole pine, which has long been its preferred host.»
These include millions of trees killed in recent years by beetles that prefer warmer weather, and declines in spring soil moisture brought on by earlier snowmelt.
If you have a chance to play in nature, if you are sprayed by a beetle, if the color of a butterfly wing comes off on your fingers, if you watch a caterpillar spin it's cocoon - you come away with a sense of mystery and uncertainty.
In the U.S., millions of acres of forest have been damaged by beetles, according to a report by the U.S. Global Change Research Program.
Some of the fire scars stood adjacent to stands of lodgepole pine destroyed by beetles.
These mechanisms allow beetles to inhabit colder climates and may explain the anomalously low CMMT indicated by the beetle assemblage.
This comes in terms of the lack of water from glacial melt, or changes in disease vectors, or rainfall patterns, or the lodge pole pine being killed off by beetles in million - acre swaths.
If making wildfires more dangerous and reducing the amount of carbon that is safely stored in these forests wasn't worrisome enough, now Katie Valentine at Think Progress notes another of the myriad ripple effects caused by these beetles: BEAR ATTACKS!
This is usually accompanied by an impaired ability to transport water to the leaves via the outer xylem (the sapwood), courtesy of blue stain fungi (e.g. Grosmannia or Ceratocystis spp.) carried and introduced by the beetles.
In 2013 I got involved with a group of stakeholders in the community, including firefighters, forestry professionals, legislators, and the Colorado State University extension program, which is the funding body for a wood - chipping program that helps get rid of the trees felled by these beetles.
Clearing ice from aircraft and wind turbines can be an energy intensive process, but new technology inspired by beetles could keep ice from forming in the first place.
In my lifetime the amount of forest killed by beetles has expanded.
The researchers noticed a number of Ambrosia beetles near the infected stands, leading them to theorize that the fungus, often carried through the forests by beetles, was involved in the tree deaths.
Farther south, piñons were also attacked, but by a beetle that, unlike its fellows in the Rockies, typically preys only on the weak.
It was originally started in 1989 by beetle - loving owner Sarah - Jane as VW Penfriends..
«In some case trees may be killed by drought, but in many cases they're being weakened by the drought and then being finished off by the beetles or other stresses,» Swann said.
In the 1990s, many of the white spruce trees of Alaska's Kenai Peninsula were wiped out by beetles.
Created using 3D models and state - of - the - art materials and techniques, this large but extremely lightweight design is inspired by beetles.
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