Sentences with phrase «smaller forest fragments»

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

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.

To achieve effective climate protection, it will be necessary to stop chopping the forests into ever smaller 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.

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.

Damselflies live in coastal forests that once formed a continuous belt in east Africa but are now fragmented, forcing the creatures into small, vulnerable populations.

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.

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.

«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.

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.

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.»

Among these, truly knockout photography by Walker Evans, Bernice Abbot and August Sander; a fragment from an Egyptian frieze, dating back to the reign of Akhenaten; Giacometti's The Forest, and two small collaged works by Franz Kline, Untitled (c. 1950 -» 52), which tops this review, and Study for «Flanders» (1961).

In the understated language of science, the new study, in The Proceedings of the National Academy of Sciences, concludes: «This is unfortunate when one considers that for some species - rich areas of the planet, a large proportion of remaining forest is in fragments» smaller than 2,500 acres.

Yet, for small and fragmented forest - holdings, certification can be both costly and resource and time - consuming.

Relegated to ever smaller fragments of forest, wild orangutans began to face starvation as their food sources were depleted, forcing them to venture into newly established oil palm plantations where they feed on the young shoots of palms, destroying the tree before it produces any oil seeds.

As pockets of forest habitat are isolated, their edges are exposed to harsher, brighter, drier conditions and plant and animal dispersal between habitat fragments is made more difficult; in addition, habitat fragments may be too small to sustain populations of some species.