Sentences with phrase «of forest fragments»

For example, the number of forest fragments smaller than 10,000 hectares is rather similar in all three regions: 11.2 percent in Central and South America, 9.9 percent in Africa and 9.2 percent in Southeast Asia.

A UFZ team of scientists led by Andreas Huth described in Nature Communications in spring of last year that fragmentation of once connected tropical forest areas could increase carbon emissions worldwide by another third, as many trees die and less carbon dioxide is stored in the edge of forest fragments.

The camp is run by the Biological Dynamics of Forest Fragments Project (BDFFP), a collaborative effort administered by the Smithsonian Institution and Brazil's National Institute for Research in the Amazon, and is maintained for researchers year round.

The researchers concluded that sound can be a valuable, and relatively inexpensive, tool for assessing the ecological well - being of forest fragments.

Not exact matches

Fragments of branching coral — the type that looks like animal horns — were attached with fishing line to skeletal branches of PVC pipe, creating a small forest of life in the middle of an otherwise desolate patch of ocean floor.

Keeping native vegetation such as natural forests or grasslands as fragments within production areas or along streams and rivers can make a lot of difference for conservation.

A whopping 30 percent of the world's forests has been destroyed, while another 20 percent has been degraded (and most of the rest has been fragmented, leaving only about 15 percent intact).

90 % of the species expected to occur in São Paulo State, Brazil, were recorded in 22 forest fragments surrounded by sugarcane monoculture.

According to the article, in smaller forest fragments, the researchers recorded only 20 % -50 % of the species expected to occur across the region.

Fragments of the original forest remained, thanks to government policies that required some trees to be left standing.

As a result, of the 101 bird species measured in the area before forest cutting, 97 were living in at least one of the reconnecting forest fragments.

The authors examine the concept and importance of maintaining connectivity (ability of wildlife populations to move among landscapes between habitat «islands» such as mountain tops, forest fragments and isolated wetlands) and corridor ecology.

Researchers in Queensland, Australia, assessed the condition of fragmented eucalyptus forests at 10 sites using conventional measures — including the size of forest patches, vegetation characteristics and the number of bird species detected — and sound recordings.

At the end of the day, he and his colleagues had no option but to develop their own software capable of exploring forest fragments in the tropics.

Earth's tropical forests have so far been broken down into a total of some 50 million fragments.

The composition of microbes on frog skin can reflect the environment, and environmental conditions — including solar radiation and temperature regimes — differ between continuous and fragmented forests.

The tropical forests of the Amazon, for example, were being fragmented by logging and burning, resulting in a patchwork of good and bad habitat.

Diseased coral had disorganized and fragmented patterns of fluorescence — similar to a forest that has been logged extensively, the researchers found.

Yet the global policy and science communities do not differentiate among the relative values of different types of forest landscapes — which range from highly intact ones to those which are heavily logged, fragmented, burnt, drained and / or over-hunted — due in part to the lack of a uniform way of measuring their quality.

Like researchers studying other logged forests, she found evidence of an «edge effect»: the density of shade - tolerant seedlings decreased within several hundred meters of the fragment edge, where young trees are more exposed to sun, wind, and competition from invading species.

However, shuttling among fragments takes energy, which is why larger tracts of forest are a more attractive place to live.

This has led me to the central Amazon, where I've been investigating how the isolation of fragments of rain forest by logging and cattle ranching influences the growth of plants found in the forest understory.

In some of those same bomb - strafed forests, the trees are still so filled with metal fragments that the lumber is too dangerous to harvest, which also keeps humans away.

Now, a new University of Utah - led study, appearing in the Proceedings of the National Academy of Sciences, shows that targeted forest regeneration among the largest and closest forest fragments in the Eastern Arc Mountains of Tanzania and the Atlantic Forest of Brazil can dramatically reduce extinction rates of bird species overforest regeneration among the largest and closest forest fragments in the Eastern Arc Mountains of Tanzania and the Atlantic Forest of Brazil can dramatically reduce extinction rates of bird species overforest fragments in the Eastern Arc Mountains of Tanzania and the Atlantic Forest of Brazil can dramatically reduce extinction rates of bird species overForest of Brazil can dramatically reduce extinction rates of bird species over time.

«Together with a 50 - hectare permanent plot in the Danum valley conservation area and the Sabah Biodiversity Experiment, the SAFE project means that we can now study the entire gamut of land use in the region, from pristine forest to fragmented forest and restored forest, to oil palm plantation.

«Mesoamerica has one of the highest deforestation rates worldwide, potentially limiting movement and genetic connectivity in forest - dependent jaguars across this fragmented landscape.

The last remaining fragment of that primeval European wilderness — half a million acres of woods straddling the border between Poland and Belarus, called the Bialowieza Forest — provides another glimpse of how the world would look if we were gone.

«When you fragment the rain forest, hot winds from the surrounding pastures blow into the forest and kill many trees, which just can't handle the stress,» explains team member Henrique Nascimento of Brazil's National Institute for Amazonian Research.

The sites — including locations in the Crane Naval Surface and Warfare Center, Big Oaks National Wildlife Refuge, and state parks — varied in habitat size and form, ranging from small to large forest fragments with varying degrees of tree cover.

Although the coastal forests of eastern Africa are fragmented, they still contain remarkable animals — like the Zanzibar red colobus.

By going to 300 - meter resolution — closer to the size of fragmented forests and crop fields — FLEX should allow plant physiologists to understand how specific plants respond to different environmental stresses.

For instance, Pimm and a small group of other scientists are now buying up cattle pastures in Brazil to try to connect fragments of highly diverse — and highly threatened — coastal forests.

They then trapped 115 flies at random in the two forests and found that 40 % contained identifiable DNA fragments from a total of 20 mammal taxa, two bird species, and an amphibian.

«In addition to the direct loss of forest, there was a widespread shift of the remaining global forest to a more fragmented condition,» explains Kurt Riitters, a research ecologist and team leader with the U.S. Forest Service Eastern Forest Environmental Threat Assessment Center and the lead author of a study describing the phenomenon, published in the January 2016 issue of Landscape Ecforest, there was a widespread shift of the remaining global forest to a more fragmented condition,» explains Kurt Riitters, a research ecologist and team leader with the U.S. Forest Service Eastern Forest Environmental Threat Assessment Center and the lead author of a study describing the phenomenon, published in the January 2016 issue of Landscape Ecforest to a more fragmented condition,» explains Kurt Riitters, a research ecologist and team leader with the U.S. Forest Service Eastern Forest Environmental Threat Assessment Center and the lead author of a study describing the phenomenon, published in the January 2016 issue of Landscape EcForest Service Eastern Forest Environmental Threat Assessment Center and the lead author of a study describing the phenomenon, published in the January 2016 issue of Landscape EcForest Environmental Threat Assessment Center and the lead author of a study describing the phenomenon, published in the January 2016 issue of Landscape Ecology.

The newly described Lavasoa Dwarf Lemur (Cheirogaleus lavasoensis) inhabits three isolated forest fragments in the extreme south of Madagascar.

He adds that the same applies to other endangered species of tropical tree with large fruit and seeds dispersed by birds, as evidence from other fragmented tropical forests around the world shows that seeds of this kind are dispersed only locally.

As a result, tiger subpopulations also became significantly more fragmented, greatly increasing their threat of extinction in each individual forest and as a species.?

Forest ecologist Juan Armesto of the Universidad Católica de Chile, who collaborates with Weathers, says that the country's modern coastal rain forest represents small fragments of what must have once been a contiguous forest, connected to the Amazon Basin, that changed gradually over the past 5 million to 25 million years due to the colossal upheaval that created the Andes MounForest ecologist Juan Armesto of the Universidad Católica de Chile, who collaborates with Weathers, says that the country's modern coastal rain forest represents small fragments of what must have once been a contiguous forest, connected to the Amazon Basin, that changed gradually over the past 5 million to 25 million years due to the colossal upheaval that created the Andes Mounforest represents small fragments of what must have once been a contiguous forest, connected to the Amazon Basin, that changed gradually over the past 5 million to 25 million years due to the colossal upheaval that created the Andes Mounforest, connected to the Amazon Basin, that changed gradually over the past 5 million to 25 million years due to the colossal upheaval that created the Andes Mountains.

According to new research, small mammal species native to these forest fragments are at greater risk of dying out than previously thought.

«We show that there are always the same few common species in small, isolated secondary forest fragments, so each time you go to another piece of forest, you will encounter the same common birds, a phenomenon called biotic homogenisation.

Only 1000 or so are left, trapped in the few fragments of forest that remain.

To reach their conclusions, a team led by Urs Kormann, a post-doctoral scientist in the College of Forestry at Oregon State University, surveyed bird communities in 49 forest fragments near the Las Cruces Biological Station in Costa Rica.

The report identified over 40 key actions needed to boost gibbon numbers and ensure their long - term survival, including enhancing monitoring systems to keep track of remaining individuals, creating canopy bridges between forest fragments to expand their habitat range, and limiting disturbance by people in forested areas.

The aerial photo shows forest fragments of the Brazilian Atlantic rainforest in Northeastern Brazil (Mata Atlântica), surrounded by sugar cane plantations.

The Brazilian Amazon is 20 times larger than the coastal forests, but is doing no better, consisting of over 300,000 forest fragments and contributing to a net dump of 600 million metric tons of carbon.

It turns out the coastal tropical forest is in the worst shape, taking up only 11 percent of its original surface and having split into 245,173 fragments.

Some scientists think the combination of longer dry seasons, higher surface temperatures and more fragmented forests caused by deforestation could eventually convert much of southern Amazonia from rainforest to savanna.

I suppose their point was to depict how fragmented and traumatizing Hickok's past was, particularly a chance meeting with a band of Cheyenne Dog Soldiers in the middle of a snow - covered forest, but they end up feeling like mid-90s music videos.

Fragments (R for violence, sexuality and profanity) Crime drama chronicles the psychological fallout suffered by the five survivors (Forest Whitaker, Kate Beckinsale, Dakota Fanning, Guy Pearce and Josh Hutcherson) of a random spree killing in an L.A. diner.

Ninety - six percent of the ancient redwood forests have been destroyed by logging, but the untouched fragments that remain are among the great wonders of nature.