Sentences with phrase «forest fragments»

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.

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

These efforts have successfully built forest corridors in the last decade that will connect previously isolated forest fragments.

It is possible to count exactly how many forest fragments there are in each region on these maps.

Pollinators, such as butterflies (Muriel and Kattan 2009) and native bees (Jha and Dick 2010), can migrate between forest fragments and shade coffee farms.

From 2009 to 2013 she conducted surveys of ring - tailed lemurs in a number of small forest fragments in south - central Madagascar, and has been updating information on ring - tailed lemurs throughout their geographic range since 2012.

68: 1061 - 1078 Brooks, T. M., Pimm, S. L., & Oyugi, J. O. Time lag between deforestationand bird extinction in tropical forest fragments.

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.

Shade coffee systems also help connect forest fragments within the landscape mosaic.

By maintaining abundant forest cover in shade coffee plantations, they can function as buffer zones and can form the backbone to the biological corridor linking the two national parks and other forest fragments.

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

In Galetti's view, the results of the census show that there is still a chance to protect much of São Paulo State's mammal fauna if ecological corridors are created to connect the various forest fragments.

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.

«This is not just a result of overall loss of habitat, but also reduced connectivity between remaining forest fragments, causing species to hunt and mate in ever - decreasing circles,» said Ochoa - Quintero.

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.

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 over time.

«There is an urgency in regenerating forest among forest fragments as quickly as possible to obtain maximum benefit,» said co-author Clinton Jenkins of the Instituto de Pesquisas Ecológicas in Brazil.

Since 1980, researchers have been studying 40 different one - hectare plots in nine rain forest fragments in central Amazonia near Manaus.

As more deer pack suburban forest fragments, they denude understory greenery and with it songbird habitat.

«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.

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.

Despite the positive actions taken by affected farmers working around the Gishwati Forest fragment in western Rwanda, the shifts in farming practice are having a cumulative, negative effect on their communities.

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

That's the cautionary tale from a new study in the journal Parasites & Vectors, which found that ticks in urban parks in Delaware dominated by an invasive rose bush were nearly twice as likely to be infected with Borrelia burgdorferi, the bacteria that causes Lyme disease, as compared to ticks from uninvaded forest fragments.

The cabins are set among carefully preserved forest fragments and landscaped gardens, where both ornamental and a variety of fruit trees abound, attracting many different species of birds and butterflies.

WildEarth Guardians works with the Collaborative Forest Restoration Program in New Mexico to restore forests fragmented and waterways polluted by a needless network of roads, which is the legacy of unsustainable logging.

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

Unlike sun coffee systems, which do not provide pollinators with resources throughout the year (Jha and Vandermeer 2010) and are less permeable to dispersing organisms (e.g., Muriel and Kattan 2009), shade coffee farms can promote pollinator populations and serve as corridors for organisms moving regionally between forest fragments.

Using scenarios that assume different clearing and reforestation rates, the scientists modelled how many forest fragments can be expected by 2050.

That's because square tropical forest fragments aren't hospitable to shade - loving seedlings, according to a report in the May issue of Conservation Biology.

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

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.

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.

Forest fragments of the Brazilian Mata Atlântica forest in Brazil are surrounded by sugar cane plantations.

Mammals marooned on small islands or in isolated forest fragments are more vulnerable than anyone knew.

They've found that birds that dwell inside a forest fragment often suffer from decreased availability of food, more attacks on their nests from predators, and increased egg parasitism.

According to the recent study, first authored by Vernasco, post-fledgling wood thrush survival is highest in small forest fragments, a result supported by previous work that found nestlings grow faster closer to forest edges, which were also found to have dense vegetation that protects fledglings from predators.

Such small, isolated populations are essentially doomed: even if the forest fragments survive, sooner or later dwindling gene pools or disasters such as forest fires and disease outbreaks will wipe them out.

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

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.

In order to analyse global patterns of forest fragmentation, a UFZ research group led by Prof. Andreas Huth used remote sensing data that quantify forest cover in the tropics in an extremely high resolution of 30 meters, resulting in more than 130 million forest fragments.

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.

In order to calculate these degradation effects, the UFZ scientists used the forest simulation model FORMIND to determine the percentage loss of carbon of forest fragments of different sizes.

According to the National Science Foundation, «Areas of patchy woods, which are very common in cities and suburban and rural areas, may have higher populations of Lyme - disease carrying ticks than forest fragments... this is because some species thrive in smaller places.»

Overhunting inflates the vulnerability of game populations stranded in forest fragments, further aggravating the risk of local extinctions [6].

Forest fragments were highly accessible to hunters and exposed to edge effects and fires, thereby severely diminishing the predictive power of species - area relationships -LSB-.]

Small, family - owned farms that use agroecological techniques come closest to mimicking natural forest habitat, thereby creating corridors that allow plants and animals to migrate between forest fragments.