. Le bulletin biologique. Biologie ; zoologie ; biologie ; biologie marine. les processus des écosystèmes médiée par les bactéries. Edward Rastetter et Matthew Williams ont été l'aide de modèles informatiques pour modéliser les processus de photosynthèse et d'autres couverts végétaux en. Ces modèles sont de bons indicateurs des processus naturels et ont permis une meilleure compréhension des effets de l'eau, les nuages, le vent, et le changement de saison sur la productivité des peuplements forestiers. À l'aide d'un isotope stable de l'azote dans les écosystèmes aquatiques et terrestres a permis aux scientifiques Bruce Peterson et Knute Nadelhoffer de retracer les mouvements de

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. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ecosystems processes mediated by bacteria. Edward Rastetter and Matthew Williams have been using computer models to model photosynthetic and other processes in plant canopies. These models are good predictors of natural processes and have enabled a better understanding of the effects of water, clouds, wind, and seasonal change on the productivity of forest stands. Using a stable isotope of nitrogen in both aquatic and terrestrial ecosystems has enabled scientists Bruce Peterson and Knute Nadelhoffer to trace the movement of nitrogen nutrients. These results have helped to predict the impact of additional inputs of nitrogen on plant growth and species distribution from sources such as acid deposition. Marine Resources Center Success in the Campaign for the MBL will enable scientists at the Marine Resources Center to enhance existing research efforts and to increase the pace at which they develop new research models. A major accomplishment in 1996 was the successful culture of the Hawaiian squid, Euprymna scolopes, through its entire life cycle with good survival rates and fertile eggs for the next generation. This breakthrough will enable new questions in developmental biology to be addressed by providing organisms from a well- controlled and stable source. Improvements in the growth of the cuttlefish Sepia ojjicinalis and in the maintenance of the toadfish promise to assist scientists who require healthy research models. This past year, MRC director Roger Hanlon established his own research laboratory which focuses on the biological bases of behavior using cephalopods as a model system. In addition to studies on the feeding behavior of the Hawaiian squid, which led to the culture breakthrough, he and his collaborators have made progress on four projects: sexual selection and sperm competition among squids, sensory biology of chemoreception in Nautilus, observational learning in cuttlefish, and spa

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• bookauthorlilliefrankrat
• booksubjectbiology
• booksubjectzoology