The researchers show that ecosystems that maximize agriculture offer fewer hidden ecosystems services than more diverse agricultural landscapes. Ciara Raudsepp-Hearne says "Landscapes managed to provide a lot of one service, such as pig production, can be costly because they have fewer of the hidden services, such as the regulation of nutrient pollution, which are also important to people." They also show that in some areas high amounts of agricultural production can go hand in hand with the production of other ecosystem services. The researchers framework can be used to help identify "best-practice areas" and contribute to developing effective resource policies.
Bennett believes Quebec manages its environment fairly well, but that there are still trade-offs and costs to be recognized. She says "the big local message is that in terms of the landscape we have to be thinking about more than just one thing – we can't just see corn, we have to see deer hunting, nutrients, and tourism, too."
The area surrounding Montreal was selected because it is typical of near-urban agricultural landscapes in many parts of the world. "I hope these methods can be applied to many other landscapes around the world," Peterson says, adding the tool will help decision makers trying to balance the goals of farmers, rural villagers and exurban commuters.
The findings were published in the Proceedings of the National Academy of Science on March 1, 2010.
William Raillant-Clark | EurekAlert!
Trees and climate change: Faster growth, lighter wood
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Scientists develop first tool to use machine learning methods to compute flow around interactively designable 3D objects. Tool will be presented at this year’s prestigious SIGGRAPH conference.
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Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.
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Proteins must be folded correctly to fulfill their molecular functions in cells. Molecular assistants called chaperones help proteins exploit their inbuilt folding potential and reach the correct three-dimensional structure. Researchers at the Max Planck Institute of Biochemistry (MPIB) have demonstrated that actin, the most abundant protein in higher developed cells, does not have the inbuilt potential to fold and instead requires special assistance to fold into its active state. The chaperone TRiC uses a previously undescribed mechanism to perform actin folding. The study was recently published in the journal Cell.
Actin is the most abundant protein in highly developed cells and has diverse functions in processes like cell stabilization, cell division and muscle...
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