منابع مشابه
To Fence or Not to Fence? Perceptions and Attitudes of Herders in Inner Mongolia
The most important part of recent grassland tenure reforms in Inner Mongolia has been to divide the collective grassland to household level, then fence and enclose grassland. Fencing is a form of strongest signal of private property right and aims to exclude overboundary grazing, attempting to solve “tragedy of the commons” from open access. Fencing gives herders a “user right”, though ownershi...
متن کاملA Don’t Sit on the Fence: A Static Analysis Approach to Automatic Fence Insertion
events. An abstract event represents all events with same program point, direction (write or read), and compatible memory location. An abstract event consists of first a unique identifier, then the direction specifier (W or R), and then the address specifier. In Figure 10(a), (a)Wx abstracts the events (a′)Wx1 and (a′′)Wx2 in the executions of Figure 10(b) and (c). Moreover, for example, a stat...
متن کاملJumping over the fence
The nuclear envelope forms a cocoon that surrounds the cellular genome keeping it out of harm's way and can be utilized by the cell as a means of functionally regulating chromatin structure and gene expression. At the same time, this double-layered membrane system constitutes a formidable obstacle to the unimpeded flow of genetic information between the genome and the rest of the cell. The nucl...
متن کاملBacterial Border Fence
Bacteria lack many of the features that eukaryotic cells use to compartmentalize cytoplasm and membranes. In this issue, Schlimpert et al. describe a new mechanism of spatial confinment in the bacterium Caulobacter crescentus that prevents the exchange of soluble and membrane proteins between the stalk and cell body.
متن کاملCONSERVATION. To save caribou, Alberta wants to fence them in.
T he Little Smoky caribou herd of western Alberta province is among the most imperiled in Canada, its few dozen animals threatened by oil and gas development, logging, and hungry wolves. Soon, the herd could also become a high-profile test case for a controversial plan to save some of Canada’s woodland caribou from extinction: herding them into pens enclosing 100 square kilometers or more and r...
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ژورنال
عنوان ژورنال: Science
سال: 2014
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.1246251