In todays issue of Science (21 May 2004), a team of U.S. and Brazilian scientists show that the rate of forest destruction has accelerated significantly in Brazilian Amazonia since 1990. The team asserts, moreover, that Amazonian deforestation will likely continue to increase unless the Brazilian government alters its aggressive plans for highway and infrastructure expansion.
"The recent deforestation numbers are just plain scary," said William Laurance of the Smithsonian Tropical Research Institute in Panama, the studys lead author. "During the last two years nearly 12 million acres of rainforest have been destroyed--thats equivalent to about 11 football fields a minute."
Deforestation has risen most sharply in the southern and eastern parts of the Amazon, where rainforests are more seasonal and thus more easily burned. "Since 2002, forest loss has shot up by nearly 50% in the states of Pará, Rondônia, Mato Grosso, and Acre," said co-author Ana Albernaz of the Goeldi Museum in Belém, Brazil. "Plant and wildlife species indigenous to these areas are being severely threatened."
Bill Laurance | EurekAlert!
Treatment of saline wastewater during algae utilization
14.05.2019 | Jacobs University Bremen gGmbH
Plastic gets a do-over: Breakthrough discovery recycles plastic from the inside out
07.05.2019 | DOE/Lawrence Berkeley National Laboratory
Engineers at the University of Tokyo continually pioneer new ways to improve battery technology. Professor Atsuo Yamada and his team recently developed a...
With a quantum coprocessor in the cloud, physicists from Innsbruck, Austria, open the door to the simulation of previously unsolvable problems in chemistry, materials research or high-energy physics. The research groups led by Rainer Blatt and Peter Zoller report in the journal Nature how they simulated particle physics phenomena on 20 quantum bits and how the quantum simulator self-verified the result for the first time.
Many scientists are currently working on investigating how quantum advantage can be exploited on hardware already available today. Three years ago, physicists...
'Quantum technologies' utilise the unique phenomena of quantum superposition and entanglement to encode and process information, with potentially profound benefits to a wide range of information technologies from communications to sensing and computing.
However a major challenge in developing these technologies is that the quantum phenomena are very fragile, and only a handful of physical systems have been...
Working group led by physicist Professor Ulrich Nowak at the University of Konstanz, in collaboration with a team of physicists from Johannes Gutenberg University Mainz, demonstrates how skyrmions can be used for the computer concepts of the future
When it comes to performing a calculation destined to arrive at an exact result, humans are hopelessly inferior to the computer. In other areas, humans are...
Scientists develop a molecular recording tool that enables in vivo lineage tracing of embryonic cells
The beginning of new life starts with a fascinating process: A single cell gives rise to progenitor cells that eventually differentiate into the three germ...
29.04.2019 | Event News
17.04.2019 | Event News
15.04.2019 | Event News
21.05.2019 | Materials Sciences
21.05.2019 | Materials Sciences
21.05.2019 | Life Sciences