Groundbreaking research released on the economics of marine protected areas
For the first time anywhere, the analysis of leading economists and ecologists worldwide has been brought together in one place, to examine the economics of Marine Protected Areas (MPAs). Two special issues of the international research journal Natural Resource Modeling (Vol. 15 Nos. 3 &4) have just been published, within which the editors, Ussif Rashid Sumaila (University of British Columbia) and Anthony Charles (Saint Marys University) have assembled ten critically important research articles on MPAs. The articles are by leading economists and ecologists such as Lee Anderson, Rognvaldur Hannesson, Daniel Pauly and Callum Roberts. A wide range of approaches are used to assess the benefits and costs of running MPAs, how economic and ecological factors interact to determine how MPAs fare, and how economics has an influence on decisions about the size and location of MPAs in the ocean.
Over-fishing, habitat destruction and pollution are harming much of the worlds oceans and the life within them. For instance, recent studies have shown that the biomass of food or high tropic level fishes in the North Atlantic have declined by two-thirds since the early 1950s, and that world fisheries catches have been declining by about 700 thousand tonnes per year since the late 1980s. Recent scientific evidence show that fencing off parts of the sea, in marine protected areas (MPAs), where fishing and other human uses are closely regulated is a good strategy that can help protect, and possibly restore ocean richness and marine biodiversity. Hence, there seem to be clear ecological advantages to MPA establishment, but what are the economic pros and cons? Until now, there has been little coordinated effort to explore economic questions related to the creation of MPAs.
Ussif Rashid Sumaila | EurekAlert!
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Friction stir welding is a still-young and thus often unfamiliar pressure welding process for joining flat components and semi-finished components made of light metals.
Scientists at the University of Stuttgart have now developed two new process variants that will considerably expand the areas of application for friction stir welding.
Technologie-Lizenz-Büro (TLB) GmbH supports the University of Stuttgart in patenting and marketing its innovations.
Friction stir welding is a still-young and thus often unfamiliar pressure welding process for joining flat components and semi-finished components made of...
Optical quantum computers can revolutionize computer technology. A team of researchers led by scientists from Münster University and KIT now succeeded in putting a quantum optical experimental set-up onto a chip. In doing so, they have met one of the requirements for making it possible to use photonic circuits for optical quantum computers.
Optical quantum computers are what people are pinning their hopes on for tomorrow’s computer technology – whether for tap-proof data encryption, ultrafast...
The Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP has been developing various applications for OLED microdisplays based on organic semiconductors. By integrating the capabilities of an image sensor directly into the microdisplay, eye movements can be recorded by the smart glasses and utilized for guidance and control functions, as one example. The new design will be debuted at Augmented World Expo Europe (AWE) in Berlin at Booth B25, October 18th – 19th.
“Augmented-reality” and “wearables” have become terms we encounter almost daily. Both can make daily life a little simpler and provide valuable assistance for...
With the help of artificial intelligence, chemists from the University of Basel in Switzerland have computed the characteristics of about two million crystals made up of four chemical elements. The researchers were able to identify 90 previously unknown thermodynamically stable crystals that can be regarded as new materials. They report on their findings in the scientific journal Physical Review Letters.
Elpasolite is a glassy, transparent, shiny and soft mineral with a cubic crystal structure. First discovered in El Paso County (Colorado, USA), it can also be...
For the first time, Fraunhofer IKTS shows additively manufactured hardmetal tools at WorldPM 2016 in Hamburg. Mechanical, chemical as well as a high heat resistance and extreme hardness are required from tools that are used in mechanical and automotive engineering or in plastics and building materials industry. Researchers at the Fraunhofer Institute for Ceramic Technologies and Systems IKTS in Dresden managed the production of complex hardmetal tools via 3D printing in a quality that are in no way inferior to conventionally produced high-performance tools.
Fraunhofer IKTS counts decades of proven expertise in the development of hardmetals. To date, reliable cutting, drilling, pressing and stamping tools made of...
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29.09.2016 | Physics and Astronomy