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tree in Biological News

Climbing to new heights in the forest canopy

... secretions, allowing them to crawl up very large tree trunks. Hook-climbers are rather less ... need to invest their energy into building huge tree trunks to support heavy branches. Not only are ... of woody vines is increasing relative to tree species, possibly as a result of human-induced ...

Douglas-fir, geoducks make strange bedfellows in studying climate change

... Northwest's largest bivalve and its most iconic tree for clues to how living organisms may have ... Analyzed by themselves, the rings from a single tree or mollusk may sometimes reflect conditions that ... When Black first began publishing comparisons of tree rings and the otoliths or ear bones of ...

Warming climate threatens California fruit and nut production

... Winter chill, a vital climatic trigger for many tree crops, is likely to decrease by more than 50 ... fruit and nut industry will need to develop new tree cultivars with reduced chilling requirements and ... use established mathematical models to select tree varieties whose winter chill requirements match ...

Getting to the root of science in a nutty way

... to various conditions over time." A pecan tree spends its first five or six years growing into a mature tree capable of producing nuts. Spring is typically a ... "If we can see when various roots of a tree die or what happens to roots in a drought, for ...

Apple enthusiasts welcome WineCrisp

... as "not too sweet or too sour". He noted that the tree is extremely productive and the fruit is firm and ... that WineCrisp apples can continue hanging on the tree even after ripening, making it important for ... of over 20 years of field observations, the tree appears to be cold-hardy for winter temperatures ...

Tree survival skills

... transplanting could be directly linked to reduced tree growth and survival within the first year of ... transplanting process that diminish transplanted tree growth and survival", the scientists said. ... and root-ball disruption on twig elongation and tree survival were measured for each treatment and ...

New Southern California beetle killing oaks

... of the infestation because oaks are the dominant tree species in the area. Further tree mortality will increase fire danger and decrease ... Service Entomologist Tom Coleman assessed oak tree mortality in the Cleveland National Forest near ...

Highlights from the March editions of ESA journals

... led to changes in forest structure. Increases in tree density, smaller tree size and increased fuel load place as many as 10 ... mechanical thinning increased the incidence of tree death from bark beetles and wood borers. Still, ...

K-State researchers work with university in Ghana to create biofuels from native tree seeds

... analyzed the oil content of four common tree species in Ghana. Ariel Burns, research ... Welti, professor of biology. They found that two tree species, Jatropha curcas and Azadirachta indica ... with Kpikpi to create the facility to process tree seeds and convert them into biodiesel. The plant ...

Hippo ancestry disputed

... a recent study that creates a different family tree for the hippo. That research was published in ... used fossil evidence alone to create a family tree and reach the conclusion that hippos have more in ... with pigs than whales. "And the reason their tree is so different is simple: by excluding all the ...

Tree species composition influences nitrogen loss from forests

... answers. The research, which is focused on the tree species control on nitrogen cycling dynamics in ... in the soil under stands of five different tree species that are common in the Catskills. Half of ... in the soils. The microbes under the different tree species vary considerably in their production of ...

Amazon carbon sink threatened by drought

... appeared little affected, but our records prove tree death rates accelerated. Because the region is so ... and measured over 100,000 trees, and recorded tree deaths as well as new trees. Weather patterns ... But in 2005 this process was reversed. tree death accelerated most where drought was ...

Genome sequencing of fungus with biotechnological applications

... in cellulose and the sugar that forms part of the tree is mainly found in this polymer. However, unlike ... alcohol , obtaining glucose (and alcohol) from a tree is not so easy. There are two ways to degrade ... substance, lignin, protects the cellulose of the tree from attack by other organisms and ...

Long-term study of orchard ground cover management systems

... the efficiency of orchard operations, fruit tree performance, and soil quality. Herbicide-treated tree rows with mowed grass "drive lanes" are the most ... Although root systems play an important role in tree growth and development, little is known about ...

Study finds hemlock trees dying rapidly, affecting forest carbon cycle

... number of girdled (severely wounded the bark of a tree to initiate tree mortality) trees that were not infested. ... components of the forest carbon cycle including tree growth, leaf litter and fine root biomass, and ...

Holy guacamole: invasive beetle threatens Florida's avocados

... of a host tree, the fungus germinates in the tree tissue and can cause tree death. "This beetle is very small roughly ... for researchers is that it's hard to tell a tree has been infested until it begins dying. ...

Dinosaur fossils fit perfectly into the evolutionary tree of life

... they disagree, and the order of animals on the tree is out of whack with the order in the rocks, you ... so-called 'ghost ranges', where the evolutionary tree indicates there should be fossils but where none ... They mapped these gaps onto the evolutionary tree and calculated statistical probabilities to find ...

New computational technique allows comparison of whole genomes as easily as whole books

... relative positions of the groups in the family tree - that is, how recently these groups evolved - ... word frequency profile analysis. In fact, a good tree can be constructed by looking at a single ... of 18 base pairs, this test created a family tree identical to the phylogenetic trees constructed ...

NAU research ties tree mortality trends to climate warming

... is a coauthor of "Widespread Increase of tree Mortality Rates in the Western United States," an ... "offers data to show that there is a problem with tree mortality in the West and that climate is an ... Colorado and Arizona. The article concludes that tree death rates have more than doubled in recent ...

Tree deaths have doubled across the western US

... tree death rates have more than doubled over the last ... the increase in dying trees has been pervasive. tree death rates have increased across a wide variety ... of trees. Regardless of the cause, higher tree death rates ultimately could lead to substantial ...

Warmer climate causing huge increase in tree mortality across the West

... "dominant contributors" to a rapid increase of tree mortality in old growth forests across the West ... cause a 50 percent reduction in the average tree age in forests, a potential reduction in average tree size and make many forests vulnerable to abrupt ...

Study: Excessive use of antiviral drugs could aid deadly flu

... said. The result is called a phylogenetic tree that documents the shared mutations. ... ancestor. In this analysis, the phylogenetic tree is projected into Google Earth and animated to ... genomes, and our computers will calculate a tree for them and give them both ...

California study shows shade trees reduce summertime electricity use

... this study gets at the details: Where should a tree be placed to get the most benefits? And how ... Municipal Utility District operates an active tree planting program and residents are eligible for ... delivered in partnership with the Sacramento tree Foundation. Some of the study's key findings ...

Trees won't stop tsunamis, scientists warn

... Claims that coastal tree barriers can halt the might of a tsunami are ... governments putting their trust in mangrove and tree barriers erected as a means of protection from ... "As a result there has been a lot of tree planting in coastal areas affected by the ...

Flame retardants prove ineffective on fresh-cut Christmas trees

... tree. The good, old-fashioned methodkeeping your tree in a container of fresh wateris probably all you need to keep your tree green and healthy. Researchers have determined ... and Fraser fir, two of the favorite Christmas tree species in the United States. According to ...

Shade coffee benefits more than birds

... which grow coffee under a canopy of multiple tree species, not only harbor native birds, bats and ... but also maintain genetic diversity of native tree species and can act as focal points for tropical ... coffee farms and how their dispersal affects the tree population's genetic diversity begged to be ...

Flame retardants prove ineffective on fresh-cut Christmas trees

... tree. The good, old-fashioned methodkeeping your tree in a container of fresh wateris probably all you need to keep your tree green and healthy. Researchers have determined ... and Fraser fir, two of the favorite Christmas tree species in the United States. According to ...

Boy or girl? It's in the father's genes

... and Europe going back to 1600. "The family tree study showed that whether you're likely to have a ... it to their children. In the first family tree (A) the grandfather is mm, so all his children ... (the great grandchildren). In the second tree (B) the grandfather is ff, so all his children ...

Surface-level ozone pollution set to reduce tree growth 10 percent by 2100

... publishing today in Global Change Biology . tree growth, measured in biomass, is already 7% less ... to ozone pollution measured in terms of total tree biomass, and all component parts such as leaf, ... the northern temperate mid-latitudes by reducing tree growth, the research also indicates that ...

New movement models tested at the Smithsonian in Panama

... movement of organisms as diverse as gut bacteria, tree seeds, ants, marine larvae and cheetahs. "Our ... seed dispersal by wind, which accurately predicts tree seed movement under a wide range of conditions. ... change or other threats, accurate modeling of tree seed dispersal has major implications for ...

Carnegie Mellon developing automated systems to enable precision farming of apples, oranges

... the orchards to gather a multitude of data about tree health and crop status. Robotic vehicles will be ... to automate routine tasks such as mowing between tree rows. The projects were funded this fall ... said Jim McFerson, manager of the Washington tree Fruit Research Commission. The technologies ...

'Living fossil' tree contains genetic imprints of rain forests under climate change

... ANN ARBOR, Mich.---A "living fossil" tree species is helping a University of Michigan ... Symphonia globulifera is a widespread tropical tree with a history that goes back some 45 million ... then in Central America. Unlike kapok, a tropical tree with a similar distribution that Dick also has ...

New CU-Boulder study shows diversity decreases chances of parasitic disease

... that American toads who pal around with gray tree frogs reduce their chances of parasitic ... toad tadpoles were joined in the tanks with gray tree frog tadpoles, parasitic infections in the toads ... lead author of the study. The study showed tree frog tadpoles acted as "sponges" for the ...

Cross kingdom conflicts on a beetle's back

... beetles to eat not only the fungi but the tree itself. Soon, the young beetles leave to begin ... realize that the beetles' success has cost the tree its life. An aerial view reveals miles and miles ... scores of pine beetles will continue moving from tree ...

Consumers influence christmas tree styles

... Consumer surveys indicate that the shape of a tree is the most important factor affecting Christmas tree selection, followed by needle retention, species, ... and consumers alike. Researchers and Christmas tree growers are working to shape Fraser firs that ...

Extinction most likely for rare trees in the Amazon rainforest

... Common tree species in the Amazon will survive even grim ... of tropical forests is the presence of very rare tree species. Competing models of relative species ... use the neutral theory to predict the number of tree species and to test predictions of the Millenium ...

Old growth giants limited by water-pulling ability

... CORVALLIS, Ore. The Douglas-fir, state tree of Oregon, towering king of old-growth forests and one of the tallest tree species on Earth, finally stops growing taller ... altogether. Because water is pulled through a tree by the forces of evaporation from the leaf ...

If a street tree falls... what does it take to make sound policy?

... Ind. -- There's little debate that, when a tree falls near a city street, it makes a sound. But ... to answer: Who is affected by the falling tree and how? Who is liable for the damage? And who is ... trees in some cities, the paper points out that tree cover has declined dramatically in Chicago, ...

Brown tree snake could mean Guam will lose more than its birds

... In the last 60 years, brown tree snakes have become the embodiment of the bad ... damage has been directly attributed to brown tree snakes, including large population losses among ... might be even farther reaching, possibly changing tree distributions and reducing ...

Scattered nature of Wisconsin's woodlands could complicate forests' response to climate change

... a warmer Wisconsin climate causes some northern tree species to disappear in the future, it's easy to ... such as forest succession, seed dispersal and tree growth during the next 200 years. In the face ... would collect genetic variants of individual tree species all over the state and then plant them in ...
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(Date:7/11/2014)... the brains of all vertebrates, information is transmitted ... or chemical signal to be passed from one ... the most abundant type of synapse, can be ... for learning, memory, perception and cognition, and the ... brain function. For instance, every time we ...
(Date:7/10/2014)... YORK , June 27, 2014  Pomerantz ... Provectus Biopharmaceuticals, Inc. ("Provectus" or the "Company")(NYSE-MKT: PVCT) ... filed in United States District Court, Middle District ... is on behalf of a class consisting of ... acquired Provectus securities between December 17, 2013 and ...
(Date:7/10/2014)... , July 2, 2014  Unisys Corporation,s (NYSE: ... Unisys Nederland N.V., today announced that it has been selected ... and manage a new Basic Provision Biometrics solution for penitentiaries ... Unisys won the contract with a solution based on its ... The term of the contract is up to seven years, ...
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(Date:7/10/2014)... York, US (PRWEB) July 10, 2014 ... , Merrill DataSite recently streamed the live webinar ‘Capitalizing ... a discussion from a group of several M&A experts ... seeing in the broader energy transaction marketplace. These experts ... and how the deal market in this sector has ...
(Date:7/10/2014)... July 10, 2014 CBPartners, a global ... has launched a new website. The redesigned site ... increased access to the firm’s thought pieces, blog posts, ... ideal platform to showcase our insights, capabilities, and to ... CBPartners’ Chief Executive Officer, Cyrus Chowdhury. “An enhanced ...
(Date:7/10/2014)... July 10, 2014 Best ... believes that having family close by during a ... in whether or not the process is successful, ... its website at http://www.bestdrugrehabilitation.com/success-stories/ . , The ... video testimonials from several Best Drug Rehabilitation graduates ...
(Date:7/10/2014)... Washington, New York (PRWEB) July 10, 2014 ... firm dedicated to protecting the rights of victims ... couple has brought a lawsuit over allegations that ... her body by a power morcellator used during ... has been filed against Richard Wolf Medical Instruments ...
(Date:7/10/2014)... A new study from Colorado School of Public Health ... remains a major problem in the Navajo Nation and ... Native Americans is abysmal with more than three times ... Terrence Batliner, DDS, MBA, associate director of the Center ... Public Health. "The number one problem is access to ...
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