southern England. Sci. Total Environ.
344:107-128.
Nevins, J. 2002. Operation gatekeeper: The rise
of the illegal alien and the remaking of the
U.S. Mexico boundary. Routledge, London.
Niskanen, A., and J. Väyrynen (ed). 1999.
Regional forest programmes. Proc. 32.240.
EFI, Finland.
NRC (National Research Council). 2001.
Envisioning the agenda for water resources
research in the twenty-first century. Nat.
Acad. Press, Washington, DC.
NRC. 2004. Confronting the nation's water
problems: The role of research. Nat. Acad.
Press, Washington DC.
NRC. 2007. The new science of metagenomics:
Revealing the secrets of our microbial
planet. Committee on Metagenomics. Nat.
Acad. Sciences, Washington, DC.
O'Connell, P.E., K.J. Beven, J.N. Carney,
R.O. Clements, J. Ewen, H. Fowler et al.
2004. Review of impacts of rural land use
and management on flood generation, part
A: Impact study report. DEFRA, London.
OACC (Organic Agriculture Centre of
Canada). 2007. Available at http://www
.organicagcentre.ca/index_e.asp. OACC,
Truro, Nova Scotia.
OECD. 1995a. The state of agricultural
knowledge systems in OECD member
countries: A synthesis report. AGR/
REE(95)3. OECD, Paris.
OECD. 1995b. First Joint Conf. of Dir. and
Reps. of Agric. Research, Agric. Advisory
Services and Higher Ed. in Agriculture.
Conf. Summary. Paris, 4-8 Sep 1995. AGR/
CA 95:22. OECD, Paris.
OECD. 2000. Second Conf. of Dir. and Reps,
of Agric. Knowledge Systems (AKS):
Summary Report, Paris. 10-13 Jan. 2000.
AGR/CA 2000:1. OECD, Paris.
OECD. 2006. Environment, water resources
and agricultural policies: Lessons from
China and OECD countries. OECD, Paris.
OECD/CERI. 1998. Human capital investment.
OECD, Paris.
OECD/FAO. 2007. Agricultural outlook 2007-
2016. OECD, Paris.
OFT. 2006. The grocery market: The OFT's
reasons for making a reference to the
competition commission. Available at
http://www.oft.gov. uk/shared_o ft/reports/
comp_policy/oft845.pdf. Off. Fair Trading,
London.
Olesen, J.E., and M. Bindi. 2002. Cosequences
of climate change for European agricultural
productivity, land use and policy. Eur. J.
Agron. 16:239-262.
Opara, L.U. 2003. Traceability in agriculture
and food supply chain: A review of basic
concepts, technological implications, and
future prospects. J. Food Agric. Environ.
1:101-106.
Ostrom, E. 2003. How types of goods and
property rights jointly affect collective
action. J. Theor. Politics 15:239-270.
Padel, S., and P. Midmore. 2005. The

development of European market for
organic products: Insights from a Delphi
study. Brit. FoodJ. 107:626-647.
Parrott, L., and R. Kok. 2000. Use of an object-
based model to represent complex features
of ecosystems. Proc. Int. Conf. Complex
Syst. 3rd. Nashua, NH. 21-26 May 2000.
New England Complex Syst. Inst., NH.
Pauly, D., J. Alder, E. Bennett, V. Christensen,
P. Tyedmers, and R. Watson. 2003.
Viewpoint: The future for fisheries. Science
302:1359-1361.
Pauly, D., R. Watson, and J. Alder. 2005.
Global trends in world fisheries: Impacts
on marine ecosystems and food security. R.
Soc. London Phil. Trans. Biol. Sci. 360:5-12.
Pauly, D., V. Christensen, S. Guénette, T.J.
Pitcher, U.R. Sumaila, C.J. Walters et al.
2002. Towards sustainability in world
fisheries. Nature 418:689-695.
PCFFF. 2002. Farming and food: A sustainable
future. Rep. Policy Commission on the
Future of Farming and Food (The Curry
Report). [Online]. Available at http://
archive.cabinetoffice.gov.uk/farming/pdf/
PC%20Report2.pdf. Cabinet office, UK
Gov., London.
Pearce, D., and E.D. Barbier. 2000. Blueprint for
a sustainable economy. Earthscan, London.
Phillipson J., and A. Liddon. 2007. Common
knowledge: An exploration of knowledge
transfer. RELU briefing paper 6 [Online].
Available at http:www.relu.ac.uk/news/
briefings.htm. UK Res. Councils, London.
Pimentel, D., and M. Giampietro. 1994. Food,
land and population and the US economy.
Carrying Capacity Network, Washington,
DC.
Pimentel, D., L. Lach, R. Zuniga, and D.
Morrison. 2000. Environmental and
economic costs of nonindigenous species in
the United States. BioScience 50:53-65.
Plants for the Future (The European
Technology Platform). 2005. 2025: A
European vision for plants genomics
and biotechnology. Available at http://
www.epsoweb.org/catalog/tp. European
commission, Luxembourg.
Polaski, S. 2006. Winners and losers: Impact
of the Doha round on developing
countries. Carnegie Endowment Int. Peace,
Washington, DC.
Porter, G., J.W. Brown, and P. Chasek. 2006.
Global environmental politics. 4th ed.
Westview, Boulder, CO.
Pretty, J.N. 1998. The living land: Agriculture,
food and community regeneration in rural
Europe. Earthscan, New York.
Pretty, J.N., A.S. Ball, T. Lang, and
J.I.L. Morison. 2005. Food costs and food
miles: An assessment of the full cost of the
UK weekly food basket. Food Policy
30:1-19.
Pretty, J.N., D. Brett, D. Gee, R.E. Hine,
C.F. Mason, J.I.L. Morison et al. 2000. An
assessment of the total external costs of UK
agriculture. Agric. Syst. 65:113-136.

Raison, R.J., A.G. Brown, and D.W. Flinn
(ed). 2001. Criteria and indicators for
sustainable forest management. CABI Publ.,
Wallingford.
Rametsteiner, E. 2000. Sustainable forest
management certification. MCPFE, Vienna.
Rauscher, H.M. 1999. Ecosystem management
decision support for federal forests in
the United States: A review. Forest Ecol.
Manage. 114:173-197.
Rees, W.E. 1992. Ecological footprints and
appropriated carrying capacity: What urban
economics leaves out. Environ. Urban
4:121-130.
Reich P.B., D. Tilman, S. Naeem, D.S. Ellsworth,
J. Knops, J. Craine et al. 2004. Species and
functional group diversity independently
influence biomass accumulation and its
response to CO2 and N. PNAS 101:
10101-10106.
Reijntjes, C.B., B. Haverkort, and A. Waters-
Bayer. 1992. Farming for the future.
MacMillan Press, London.
Richardson, D.P., T. Affertsholt, N.-G. Asp,
S. Bruce, R. Grossklaus, J. Howlett, et
al. 2003. PASSCLAIM—Synthesis and
review of existing processes. Eur. J. Nutr.
42(Sup1):96-111.
Rizzo, D.M., M. Garbelotto, and E.M. Hansen.
2005. Phytophthora ramorum: Integrative
research and management of an emerging
pathogen in California and Oregon forests.
Ann. Rev. Phytopathol. 43:309-335.
Roberfroid, M.B. 2002. Global view on
functional foods: European perspectives.
Brit. J. Nutr. 88:S133-S138.
Rogers, E.M. 2003. Diffusion of innovations.
5th ed. Free Press, New York.
Rollins, B.E. 1995. The Frankenstein syndrome:
Ethical and social issues in the genetic
engineering of animals. Cambridge studies
in philosophy and public policy. Cambridge
Univ. Press, Cambridge.
Rosendal, G.K. 2006. The convention on
biological diversity: Tensions with the WTO
TRIPS agreement over access to genetic
resources and the sharing of benefits. In S.
Oberthur and T. Gehring (ed), Institutional
interaction in global governance. MIT Press,
Cambridge.
Rosegrant, M.W., X. Cai, and S.A. Cline. 2002.
World water and food to 2025: Dealing
with scarcity. IFPRI, Washington, DC.
Roth, D., R. Boelens, and M. Zwarteveen (ed)
2005. Liquid relations: Contested water
rights and legal complexity. Rutgers Univ.
Press, Piscataway, NJ.
RS and RAE (Royal Soc. Royal Acad.
Engineering). 2004. Nanoscience and
nanotechnologies: Opportunities and
uncertainties. The Royal Society, London.
Ruellan, A. 2000. Morphology of the soil cover,
p. 49-52. In I. Kheoruenromne and
S. Theerawong (ed) Proc. Int. Symp. Soil
Sci.: Accomplishments and changing
paradigms toward the 21st century.
Bangkok.