Now showing items 1-8 of 8
Ants ( Azteca sp.) as potential biological control agents in shade coffee production in Chiapas, Mexico
(Kluwer Academic Publishers; Springer Science+Business Media, 2002-12)
The role of Azteca sp. ants as potential biological control agents was studied in an organic coffee farm in Chiapas, Mexico. Individual larvae of Pieris rapae were placed on trees with artificially enhanced ant activity ...
The Landscape in 2025: Alternative Future Landscape Scenarios, A Means to Consider Agricultural Policy
(MJA, 2002)
Agricultural policy implies new future scenarios for agricultural landscapes each time a new federal farm bill or emergency aid to farmers is debated. Future landscape scenario studies can suggest policies that could achieve ...
Toward a better understanding of pro-social behavior: The role of evolution and directed attention.
(Cambridge University Press, 2002)
Rachlin’s thought-provoking analysis could be strengthened by greater openness to evolutionary interpretation and the use of the directed attention concept as a component of self-control. His contribution to the understanding ...
Microbial community composition and function beneath temperate trees exposed to elevated atmospheric carbon dioxide and ozone
(Springer-Verlag, 2002-04)
We hypothesized that changes in plant growth resulting from atmospheric CO 2 and O 3 enrichment would alter the flow of C through soil food webs and that this effect would vary with tree species. To test this idea, we ...
Woodlots in the rural landscape: Landowner motivations and management attitudes in a Michigan (USA) case study
(Elsevier Science B.V., 2002)
Woodlots provide important environmental benefits in the Midwestern (USA) landscape, where they are undergoing rapid change. An increasingly diverse farm and non-farm population owns these non-industrial private forests ...
Evaluation of Alternative Closure Options for Stonyfield Farm Product Delivery Systems: Supplement to the April 2001 Report: Life Cycle Assessment of the Stonyfield Farm Product Delivery System
(2002-05-01)
Following a review of the April 2001 report (CSS01-03), Stonyfield Farm decided to explore one of the recommended options for improving the environmental performance of their product delivery system. Stonyfield Farm asked ...
Examining our Progress: University of Michigan-Ann Arbor Prototype Sustainability Report
(2002-06)
Founded in 1817, the University of Michigan (U-M) is an internationally renowned research and undergraduate, graduate, and professional educational institution with a broad curriculum in the liberal arts. Spanning three ...