Agriculture Reference
In-Depth Information
(e.g. Marino and Landis 1996, Letourneau and Goldstein 2001, Thies
et
al
. 2003) and metap-
opulation dynamics models.
Acknowledgements
USDA-LISA grant 88-COOP-1-3525 funded California tomato surveys with C. Shennan, L.
Drinkwater, F. Workneh and A. van Bruggen. The study on cereal production in north-western
Europe was funded by a NWO biodiversity grant to J. van Lenteren, W. van der Werf, J. Raaij-
makers, A.J. Termorshuizen and A.H.C. van Bruggen. We thank G. Hiddink for sharing his
unpublished research data, and S. Bothwell, J. Hagen, T. Krupnik, A. Racelis, and J.R. Sirrine
for helpful comments on an earlier draft.
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