I had a couple ideas to inject more practicality into Sanet discussion:
1. Periodically discuss a published paper concerning some technical
aspect of production.
List members could critique the paper and discuss their own experience with
AU: Dumanski, J.\ Pettapiece, W. W.\ McGregor, R. J.
TI: Relevance of scale dependent approaches for integrating biophysical and
socio-economic information and development of agroecological
CT: Soil and water quality at different scales. Proceedings of workshop,
Wageningen, Netherlands, 7-9 August 1996 [edited by Finke, P.A.;
Bouma, J.; Hoosbeek, M.R.].
JN: Nutrient Cycling in Agroecosystems
YR: 1998, VL: 50, NO: 1/3, PP: 13-22
AA: Land Quality Indicators Secretariat, World Bank, Washington, D.C., USA.
AB: Issues of environmental sustainability, limits to growth and
introduction of new technology, and the economic and social costs
of resource degradation have forced more proactive integration of
biophysical and socio-economic data. Natural resources
including soil, water and land quality, involve balancing the
conflicting objectives of food and fibre production under
of increasing demand, while increasing economic efficiency and
maintaining the quality of the environment. It involves
of data from several disparate disciplines, scaling the data to
make them compatible on input, identifying strategic indicators,
criteria and thresholds with which to assess the state and
performance of the system, and the application of biophysical and
economic optimisation models to examine the impacts and
of alternate management options. However, some questions of
and hierarchies still have to be resolved, e.g. how to 'scale-up'
the biophysical data to the level at which public policy is
formulated without losing the integrity of the data. This paper
examines these and related issues by discussing the theories and
principles of spatial and temporal hierarchies and scales, and
providing some examples of application.
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