The objective of the ReCover project is to develop beyond the state-of-the-art service capabilities currently supporting the United Nations REDD programme which is fighting deforestation and forest degradation in the tropical region.
Although REDD will probably not be officially accepted at the climate conference in Cancun, several REDD-related activities are already under way in the tropical region.
The methods to be developed in the ReCover project will combine lower resolution but full area coverage optical and radar satellite imagery with a sample of very high resolution satellite data and ground data. The very high resolution imagery, with an accuracy reaching to 0.5 metres, particularly supports monitoring of degradation and increases the general reliability of the results.
The study areas of the ReCover project are in Mexico, Guyana, Brazil, Central Africa and the Fiji Islands. For each of the study sites a local user is closely involved in the method development. The consortium has nine research and industrial partners, of which three are outside Europe.
The leading idea behind REDD is that countries that are willing to reduce emissions from deforestation will be financially compensated for doing so. The REDD process requires a monitoring system in which satellite imagery will have a key role. Monitoring of forest degradation introduces particular challenges for the monitoring system.
The ReCover project started in November 2010 and will last three years. Its total budget is about EUR 3.5 million.
Olli Ernvall | VTT
Kakao in Monokultur verträgt Trockenheit besser als Kakao in Mischsystemen
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Ultrasound sensors make forage harvesters more reliable
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Plants and algae use the enzyme Rubisco to fix carbon dioxide, removing it from the atmosphere and converting it into biomass. Algae have figured out a way to increase the efficiency of carbon fixation. They gather most of their Rubisco into a ball-shaped microcompartment called the pyrenoid, which they flood with a high local concentration of carbon dioxide. A team of scientists at Princeton University, the Carnegie Institution for Science, Stanford University and the Max Plank Institute of Biochemistry have unravelled the mysteries of how the pyrenoid is assembled. These insights can help to engineer crops that remove more carbon dioxide from the atmosphere while producing more food.
A warming planet
Our brains house extremely complex neuronal circuits, whose detailed structures are still largely unknown. This is especially true for the so-called cerebral cortex of mammals, where among other things vision, thoughts or spatial orientation are being computed. Here the rules by which nerve cells are connected to each other are only partly understood. A team of scientists around Moritz Helmstaedter at the Frankfiurt Max Planck Institute for Brain Research and Helene Schmidt (Humboldt University in Berlin) have now discovered a surprisingly precise nerve cell connectivity pattern in the part of the cerebral cortex that is responsible for orienting the individual animal or human in space.
The researchers report online in Nature (Schmidt et al., 2017. Axonal synapse sorting in medial entorhinal cortex, DOI: 10.1038/nature24005) that synapses in...
Whispering gallery mode (WGM) resonators are used to make tiny micro-lasers, sensors, switches, routers and other devices. These tiny structures rely on a...
Using ultrafast flashes of laser and x-ray radiation, scientists at the Max Planck Institute of Quantum Optics (Garching, Germany) took snapshots of the briefest electron motion inside a solid material to date. The electron motion lasted only 750 billionths of the billionth of a second before it fainted, setting a new record of human capability to capture ultrafast processes inside solids!
When x-rays shine onto solid materials or large molecules, an electron is pushed away from its original place near the nucleus of the atom, leaving a hole...
For the first time, physicists have successfully imaged spiral magnetic ordering in a multiferroic material. These materials are considered highly promising candidates for future data storage media. The researchers were able to prove their findings using unique quantum sensors that were developed at Basel University and that can analyze electromagnetic fields on the nanometer scale. The results – obtained by scientists from the University of Basel’s Department of Physics, the Swiss Nanoscience Institute, the University of Montpellier and several laboratories from University Paris-Saclay – were recently published in the journal Nature.
Multiferroics are materials that simultaneously react to electric and magnetic fields. These two properties are rarely found together, and their combined...
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