Sentences with phrase «in forest density»

This can be reconciled with the effects at other levels by taking into account increases in leaf number and reductions in forest density with age.

Another study found that average soil water content on low density ponderosa forests (250 trees / ha) was substantially higher than on high density forests (2,710 trees / ha), although these differences in forest density were not a result of mechanical thinning [58].

Not exact matches

For example, 10 of the 14 burned areas in the study, which include well - known wildfires like the Moonlight (2007) and Power (2009) fires, did not meet Forest Service stocking density thresholds for mixed conifer forests, making them good candidates for replanting and restoration efforts.

In a paper in Science last year, researchers recommended both reforestation and efforts to increase the density of forests, so more carbon could be sequestered per areIn a paper in Science last year, researchers recommended both reforestation and efforts to increase the density of forests, so more carbon could be sequestered per arein Science last year, researchers recommended both reforestation and efforts to increase the density of forests, so more carbon could be sequestered per area.

Forest and his colleagues created plasma for the first time in the device last fall, and since then have been measuring its density, temperature and other properties.

One confounding factor, cautions geographer Margaret Skutsch of the National Autonomous University of Mexico, Morelia, is that many remaining indigenous territories are in remote, humid tropical forests with low population densities, meaning that lack of development pressure, rather than effective management, may explain why such forests have remained standing.

Polish scientists worked to protect the least spoiled area of forest with the greatest density of big trees, first as a nature reserve and then as a national park in 1932.

«We need to start expecting that these landscapes aren't going to look the same in the future, whether it's reduced density of trees or no longer a forest.»

The researchers found that for one frog (Proceratophrys boiei), microbe diversity was more than twice as high in continuous forest than in fragments (149 vs. 61 morphotypes, respectively), and its bacterial density varied between these forests.

Prof Carlos Peres, also from UEA's School of Environmental Sciences, said: «Our analysis shows that the sustainability of protein acquisition in tropical forests is primarily governed by the spatial context of mortality sinks, human population density, and availability of alternative protein.»

«We went through the data and showed that, in every case, this method estimated that the density of trees was two to three times higher than was the reality,» said Carrie Levine, a Ph.D. student of forest ecology at Berkeley and lead author of the study.

One attractive feature of the technology is that the racetracks could be arrayed in three - dimensional forests, leading to vastly greater densities of data storage than in current two - dimensional schemes.

In the study, published on October 14 in PLOS ONE, Rutgers researchers found that the density of Bornean orangutans is almost two times greater in an Indonesian peat - swamp forest — just 39 miles from similar surroundings where orangutans must survive on thousands of calories less each day for most of the yeaIn the study, published on October 14 in PLOS ONE, Rutgers researchers found that the density of Bornean orangutans is almost two times greater in an Indonesian peat - swamp forest — just 39 miles from similar surroundings where orangutans must survive on thousands of calories less each day for most of the yeain PLOS ONE, Rutgers researchers found that the density of Bornean orangutans is almost two times greater in an Indonesian peat - swamp forest — just 39 miles from similar surroundings where orangutans must survive on thousands of calories less each day for most of the yeain an Indonesian peat - swamp forest — just 39 miles from similar surroundings where orangutans must survive on thousands of calories less each day for most of the year.

By leading to variability in the density and size of trees that grow during recovery, large fires reduce the future vulnerability of forests to bark beetle attacks and broad - scale outbreaks.

These studies had actually tracked in real time the changes in the kinds of trees present (species diversity), the density of trees, and how well the trees were growing (by measuring each tree's diameter and from that forest's growth over time).

For example, forest elephants in Central Africa occur in densities seven times higher in sites with ecoguards than without them.

Protected regions in the Philippines are mainly concentrated in the mountainous highlands where a high density of primary forest remains, he notes.

Results show clearly that forest elephants were increasingly uncommon in places with high human density, high infrastructure density such as roads, high hunting intensity, and poor governance as indicated by levels of corruption and absence of law enforcement.

Now a team from Cambridge University in England has devised a simple technique to increase the density of nanotube forests grown on conductive supports about five times over previous methods.

Rather, reserves usually had a head start in forest preservation, and in many cases have reached their maximum growth and density.

The highest tree densities, calculated in stems per hectare, were found in the boreal forests of North America, Scandinavia and Russia.

«In microelectronics, this approach to growing high - density carbon nanotube forests on conductors can potentially replace and outperform the current copper - based interconnects in a future generation of devices,» says Cambridge researcher Hisashi SugimIn microelectronics, this approach to growing high - density carbon nanotube forests on conductors can potentially replace and outperform the current copper - based interconnects in a future generation of devices,» says Cambridge researcher Hisashi Sugimin a future generation of devices,» says Cambridge researcher Hisashi Sugime.

The study found that tiger densities are 47 percent higher in primary versus degraded (logged) forests and that extensive clearing of pristine lowland forest has disproportionately reduced tiger numbers.

In the new study, Taylor examines how breeding forest fragmentation relates to the shape and strength of density - dependence or how dwindling resources limit bird population.

«In the Tai forest we have the highest density (of chimps) around the research and tourist sites,» Leendertz says.

In this case, shifts in song could either evolve and become fixed or simply be adjusted accordingly by individuals, with functional significance such that signal transmission is optimized in a new environment (e.g. differences in plant density in different forestsIn this case, shifts in song could either evolve and become fixed or simply be adjusted accordingly by individuals, with functional significance such that signal transmission is optimized in a new environment (e.g. differences in plant density in different forestsin song could either evolve and become fixed or simply be adjusted accordingly by individuals, with functional significance such that signal transmission is optimized in a new environment (e.g. differences in plant density in different forestsin a new environment (e.g. differences in plant density in different forestsin plant density in different forestsin different forests).

Maximum density values are strongly correlated with April to August mean temperatures in trees across the boreal forest from Alaska to Labrador, Schweingruber et al., (1993)...

But you say almost 70 percent of the net carbon loss comes not from deforestation, but quote, a «reduction in carbon density within standing forests».

«The cooling effect varies depending on where in the country the logging takes place, since different parts of the country have varying snow conditions and forest density,» says Arvesen.

However, new research from Wake Forest Baptist Medical Center finds that the recommended daily doses of these supplements may not prevent loss of bone mineral density (BMD) in these women.

«What we know about black leopards is that they are found in higher - density, deeper forests.

More than 80 percent of Belize remains covered in forests and jungles, and the country has the lowest population density of any nation in Central America.

A mark, thus, that excavates, little by little, the surface of the silver faced foam panel, revealing the density of an aggressive and intense force — in a rainbow of different dark shades, as the final aesthetic outcome; a mark also clearly crystallized in kaleidoscopic patterns inspired by the Arizona Petrified Forest; a mark condensed, finally, in a system that re-draws all the complexity of a structure that is expressed by abstraction.

In Lucchini's paintings, the richness of his palette and the density of his brushstrokes provide a kind of visual forest or landscape out of which, little by little, the figure can be made out; the subject partly emerging from, and partly submerged by abstraction.

The second is a pure landscape except for a lone figure traversing the forest, in a strongly expressionist work rendered in a fall palette, with a density not unlike that of a tropical rain forest.

In addition, the researchers found that peat forest areas, where stored carbon is most abundant and thus cheapest to manage, contained almost twice the mammal species density as other areas of forest.

A study in Science says that tropical forests are now net sources of CO2: Here we use 12 years (2003 — 2014) of MODIS pantropical satellite data to quantify net annual changes in the aboveground carbon density of tropical woody live vegetation, providing direct, measurement - based evidence that the world's tropical forests are a net carbon source of 425.2 ± 92.0 Tg C yr — 1.

By mistake, in Figures S1a and S1b of the GRL Auxiliary Material, Dr Forest included the graphs from the MIT Report version, showing very different probability densities (PDFs) for climate sensitivity than those in Figure 2 of the main text of Forest 2006 in GRL.

forest an ecosystem in which the dominant plants are trees; woodlands are distinguished from forests by their lower density of trees

In contrast to pre-industrial eras when forests were a primary source of energy, the density and efficiency of fossil fuels have been kind to trees - shrinking mankind's physical footprint on the surface of the earth.

«New remote sensing approaches using light detection and ranging (Lidar) and radio detection and ranging (radar) from airborne sensors have been successful in providing high - resolution estimates of forest carbon density for small areas,» he wrote in a paper published in May by the Proceedings of the National Academy of Sciences of the United States.

Persistent drought conditions have also adversely impacted water - dependent habitats and species within and downstream of forest uplands, as evidenced by heightened mortality of a riparian tree species in central Arizona [5] and declines in number of species and densities of native fish in the Gila River in southwestern New Mexico [6], [7].

In ponderosa pine (Pinus ponderosa) forests of central Arizona, stand densities range from 2 to 44 times greater than during pre-settlement conditions and total basal areas range from 2 to 4 times greater [1]--[3].

Nevertheless the study identifies forests that may be best suited (low population density, unsuitable climate and soils) for «Reduced Emissions from Deforestation and Degradation» (REDD) initiatives which compensate countries for preserving forest lands in exchange for carbon credits.

Gains result from forest growth; losses result from deforestation and from reductions in carbon density within standing forests (degradation / disturbance), with the latter accounting for 68.9 % of overall losses.

Here we use 12 years (2003 — 2014) of MODIS pantropical satellite data to quantify net annual changes in the aboveground carbon density of tropical woody live vegetation, providing direct, measurement - based evidence that the world's tropical forests are a net carbon source of 425.2 ± 92.0 Tg C yr — 1.

Forest density and basal area declined slightly, which suggests that increasing mortality was not caused by endogenous increases in competition.

Note to the numbers people: a 128 percent increase in tree density, as seen for montane hardwood forests, is a huge greening.

With respect to why there was a significant increase in tree density over the past several decades, Dolanc offers that the changes in the density and composition of lower - elevation forests are consistent with fire suppression; but that the density increases in high - elevation vegetation types (subalpine forests generally don't burn) are «more likely to be caused by changing climate.»

As you can see, they found that tree density was significantly higher (in eight of nine forest types) in the current era of high carbon dioxide, when compared to the early period when concentrations were around 306 ppm, only about 10 percent above the pre-industrial background.