Now showing items 1-9 of 9
Arthropod biodiversity loss and the transformation of a tropical agro-ecosystem
(Kluwer Academic Publishers; Chapman & Hall ; Springer Science+Business Media, 1997-07)
The coffee (Coffea arabica) agro-ecosystem in the Central Valley of Costa Rica was formerly characterized by a high vegetational diversity. This complex system has been undergoing a major transformation to capital-intensive ...
Environmental Awareness, Economic Orientation, and Farming Practices: A Comparison of Organic and Conventional Farmers
(Springer-Verlag; Springer-Verlag New York Inc., 1997-09)
Populus tremuloides photosynthesis and crown architecture in response to elevated CO 2 and soil N availability
(Springer-Verlag; Springer-Verlag Berlin Heidelberg, 1997-04)
We tested the hypothesis that elevated CO 2 would stimulate proportionally higher photosynthesis in the lower crown of Populus trees due to less N retranslocation, compared to tree crowns in ambient CO 2 . Such a response ...
Life Cycle Design of Milk and Juice Packaging
(1997-10)
A life cycle design demonstration project was initiated between the U.S. Environmental Protection Agency - National Risk Management Research Laboratory, Dow Chemical Company, and the University of Michigan to investigate ...
Life Cycle Design of a Fuel Tank System
(1997)
This life cycle design (LCD) project was a collaborative effort between the National Pollution Prevention Center at the University of Michigan, General Motors (GM), and the U.S. Environmental Protection Agency (EPA). The ...