Sentences with phrase «studies urban tree»

Not exact matches

«Recent studies found that scale insect populations increase on oak and maple trees in warmer urban areas, which raises the possibility that these pests may also increase with global warming,» says Dr. Elsa Youngsteadt, a research associate at NC State and lead author of a paper on the work.

«We would see some vibrant urban trees covered in scale insects, but we'd also see other clearly stressed and struggling urban trees covered in scale insects,» says Emily Meineke, a postdoctoral researcher at Harvard and first author of a paper on the study.

A study out March 13 finds that urban trees can survive increased heat and insect pests fairly well — unless they are thirsty.

The harmful impact of urban air pollution could be combated by strategically placing low hedges along roads in a built - up environment of cities instead of taller trees, a new study has found.

«Cities need to «green up» to reduce impact of air pollution: The harmful impact of urban air pollution could be combated by strategically placing low hedges along roads in a built - up environment of cities instead of taller trees, a new study has found.»

The study into the impact of urban greenery on asthma suggests that respiratory health can be improved by the expansion of tree cover in very polluted urban neighbourhoods.

People living in polluted urban areas are far less likely to be admitted to hospital with asthma when there are lots of trees in their neighbourhood, a study by the University of Exeter's medical school has found.

In a typical urban area with a high level of background air pollution — for example, around 15 micrograms of fine particulate matter (PM2.5) per cubic metre, or a nitrogen dioxide concentration around 33 micrograms per cubic metre — an extra 300 trees per square kilometre was associated with around 50 fewer emergency asthma cases per 100,000 residents over the 15 year study period.

«Carbon canopy: Study shows that tree planting alone may not significantly offset urban carbon emissions.»

«Earlier studies have shown that urban warming increases pest abundance in street trees,» says Emily Meineke, lead author of a paper describing the work.

A year - long study into the behaviour of over 450 blue tits and great tits found that a suburban neighbourhood with trees, shrubs and hedges between properties attract far more birds to their feeders than a Victorian urban terrace or manicured, modern housing estate.

«One of the factors driving the low per capita rating for California city trees could be the fact that 20 of the nation's 100 most densely populated cities are in California, meaning there's a higher volume of people in a confined space for trees,» said Natalie van Doorn, study co-author and research urban ecologist with the Pacific Southwest Research Station.

The study, involving hundreds of people, found benefits for mental health of being able to see birds, shrubs and trees around the home, whether people lived in urban or more leafy suburban neighbourhoods.

He began his career studying the physiology of trees, but in recent years has broadened his focus to the urban environment: chimneys, exhaust pipes, buildings, pipelines, pavements.

Though Popp often performs on urban streets or at building sites — where her interventions are unannounced and sometimes disrupted — at Lynden she has had the opportunity to study the grounds over the course of three residencies to choose a path through the trees.

Based on a study from the U.S. Departments of Energy and Agriculture, we estimate that using forest and urban wood waste, as well as some perennial crops such as switchgrass and fast - growing trees on nonagricultural land, the United States could develop more than 40 gigawatts of electrical generating capacity by 2020, roughly four times the current level.

He began his career studying the physiology of trees, but in recent years has broadened his focus to the urban environment: chimneys, exhaust pipes, buildings, pipelines, pavements.

According to a report from Science Daily, the study conducted by researchers from the U.S. Forest Service revealed that some urban trees may actually reduce incidences of property crimes and acts of violence.

A new study by the USDA's Forest Service tells us what all good treehuggers already knew; trees are good for you, especially if you live in a urban area.

Cities in the United States are increasingly seeing concrete in place of greenery as urban areas lose an estimated 36m trees annually, according to a study from the Forest Service.

People who live in homes that have tree - lined landscapes or commanding views of natural surroundings tend to have lower levels of stress, according to the study «Urban Street Trees: 22 Benefits» by researcher Dan Burden.