منابع مشابه
Bush encroachment control and risk management in semi-arid rangelands.
We study the role of bush encroachment control for a farmer's income and income risk in a stochastic ecological-economic model of grazing management in semi-arid rangelands. In particular, we study debushing as an instrument of risk management that complements the choice of an adaptive grazing management strategy for that sake. We show that debushing, while being a good practice for increasing ...
متن کاملStatins, risk assessment, and the new American prevention guidelines.
www.thelancet.com Published online December 4, 2013 http://dx.doi.org/10.1016/S0140-6736(13)62348-X 1 Submissions should be made via our electronic submission system at http://ees.elsevier.com/ thelancet/ follow-up needed to validate these equations. We examined short-term follow-up data from the Multi-Ethnic Study of Atherosclerosis (MESA) and REasons for Geographic And Racial Differences in S...
متن کاملThe new ACC/AHA cardiovascular risk guidelines: impact and controversies.
The new American College of Cardiology/American Heart Association (ACC/AHA) guidelines for cardiovascular disease (CVD) risk assessment and treatment (1 ), released 6 months ago, have engendered much controversy. A recent New England Journal of Medicine article (2 ) has estimated the impact of the new guidelines on the use of statins in the US. Extrapolating from the National Health and Nutriti...
متن کاملThe New Integrated Guidelines
Atherosclerotic cardiovascular disease (CVD) remains a major cause of morbidity and premature mortality in men and women in the United States and most developed and developing countries. Although manifest CVD is rare in childhood and adolescence, risk factors and adverse health behaviors that accelerate the development and progression of atherosclerosis begin in childhood. Evidence accumulated ...
متن کاملNew Guidelines For Spreadsheets
Current prescriptions for spreadsheet style specify modular separation of data, calcu1ation and output, based on the notion that writing a spreadsheet is like writing a computer program. Instead of a computer programming style, this article examines rules of style for text, graphics, and mathematics. Much “common wisdom” in spreadsheets contradicts rules for these well-developed arts. A case is...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1992
ISSN: 0028-0836,1476-4687
DOI: 10.1038/358446b0