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This paper combines a structural estimation of vegetative-agriculture supply, based on a farmland-allocation model, with a market-level partial equili...
Read moreWhile current weather patterns and rapidly accelerated changes in technology often focus attention on short-term trends in agriculture, the fundamenta...
Read moreEquations are developed for estimating plant DM production. Estimates for a range of crops growing between 14 deg S. and 43 deg N. agreed well with me...
Read moreThis report analyzes the economic impacts of the safety net provisions in the Agriculture Risk Coverage Improvement and Innovation (ARC-II) Act (S. 27...
Read moreFollowing an introduction the topic of past human population is explored focusing on population size and growth, economic growth and increasing econom...
Read moreUnprecedented forest fires are affecting large swathes of what were once fire-free Amazonian forests, including extensive areas of community-managed r...
Read moreD.b.h., canopy status, stem form, crown form and climber infestation were measured at intervals over a 14-yr period for trees of Khaya ivorensis and S...
Read moreIncrement core samples at b.h. were taken from 15 trees in each of 7 stands (aged 22-68 yr) in North Zealand, Denmark, in Oct.-Nov. 1984. Radial incre...
Read moreAccurate predictions of the abundance of migrating birds are important to avoid aerial conflicts of birds, for example, with aviation or wind power in...
Read moreA simulation model is described which demonstrates the role of parasitic Hymenoptera in influencing the numbers of the aphid Sitobion avenae on cereal...
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