Bailey R.G., 1989. Ecoregions of the continents. US Department of Agriculture, Forest Service, Washington.
Baldocchi, Hicks B.B., Meyers T.P., 1988. Measuring biosphere-atmosphere exchanges of biologically-related gases with micrometeorological methods. Ecology 69(5). 1331-1340.
Barr C.J., Bunce R.G.H., Heal O.W., 1994. Countryside Survey 1990: A measure of change. Journal of the Royal Agricultural Society of England (RASE), 155, 48-58.
Barrow C.J., 1991. Land degradation. Cambridge University Press, Cambridge.
Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and their Disposal.
Batjes N.H., van Engelen V.W.P., Kauffmann J.H., Oldeman L.R., 1994. Development of soil databases for global environmental research. Trans 15th World Congress Soil Sci. 6a, 40-57.
Biot Y., 1993. How long can high stocking intensities be sustained. In Behnke, R.H., Scoones, I. and Kerven, K.: Range Ecology at Disequilibrium. Overseas Development Institute, London.
De Vries et al. 1995.
Fränzle O., Haber W., Schröder W., 1995. Proposal for a global concept for monitoring terrestrial ecosystems as a basis for harmonization of environmental monitoring.
Furness R.W., 1993. Birds as monitors of pollutants. In: Furness R.W., Greenwood J.J.D. (eds): Birds as monitors of environmental change. New York, Chapman & Hall, pp. 86-143.
GCOS/GTOS TOP, 1995. Terrestrial Observation Plan for Climate Observations. Joint GCOS/GTOS Terrestrial Observation Panel (TOP), 1995, Geneva.
Gillison A.N., Brewer K.R.W., 1985. The Use of Gradient Directed Transects or Gradsects in Natural Resource Surveys. J. Env. Manage. 20. p103-127.
Grace P, 1993 (ed). CRC: Australian Directory for Long Term Agronomic Experiments. Unpublished Report of the Cooperative Research Centre for Soil & Land Management (CRC), Australia.
Heal O.W., Menaut J.C., Steffen W.L. (eds), 1993. Towards a Global Terrestrial Observing System (GTOS): detecting and monitoring change in terrestrial ecosystems. MAB Digest 14 and IGBP Global Change Report 26, UNESCO, Paris and IGBP, Stockholm. p71.
Herzig R., Liebendorfer L., Urech M., Ammann K., Cuecheva M., Landolt W., 1989. Passive biomonitoring with lichens as a part of an integrated biological measuring system for monitoring air pollution in Switzerland. Intern. J. Environ. Anal. Chem. 35: 43-57.
Keskitalo J. and Salonen K., 1994. Manual for integrated monitoring. Subprogramme Hydrobiology of Lakes. Helsinki, National Board of Waters and the Environment, p. 41.
Kleemola S., Söderman G., 1993. Manual for integrated monitoring. Programme phase 1993-1996. Environmental Report 5. Helsinki, Environmental Data Centre, p. 114.
Klijn F. (ed.), 1994. Ecosystem Classification far Environmental Management, 117-137. Kluwer Academic Publishers, Netherlands.
Koch G.W., Scholes R.J., Steffen W.L., Vitousek P.M., Walker B.H., 1995. The IGBP Terrestrial Transects: science plan. IGBP Report No. xx, International Geosphere-Biosphere Programme, Stockholm, in press.
Kristiansen G., 1993. Biologial effects of climate change. An introduction to the field and survey of current research. GCTE, CICERO, Oslo. 190 p.
Leigh R.A., Johnston A.E. (eds), 1994. Long-term experiments in agricultural and ecological sciences. Wallingford, CAB International. 428 p.
Long-Term Ecological Research in the United States: A network of research sites. 1991 (6th edition).
Meadows D.H., Meadows D.L., and Randers J., 1992. Beyond the limits: Global collapse or a sustainable future. Earthscan, London.
Moisen G.G., Edwards T.C.Jr., Cutler D.R., 1994. Spatial sampling to assess classification accuracy of remotely sensed data. In: W.K. Michener, J.W. Brunt, S.G. Stafford (eds): Environmental Information Management and Analysis: Ecosystem to Global Scales. London, Taylor & Francis, pp. 159-176.
Mücher C.A., Stomph T.J., Fresco L.O., 1993. Proposal for a global land use classification. Final Report LUIS FAO, ITC and WAU, Rome, Enschede and Wageningen.
Munn R.E., 1988. The design of integrated monitoring systems to provide early indications of environmental ecological changes. Environmental Monitoring and Assessment 11, 203-217.
Naeem S., Thompson L.J., Lawler S.P., Lawton J.H. and Woodfin R.M., 1995. Empirical evidence that declining species diversity may alter the performance of terrestrial ecosystems. Phil. Trans. R. Soc. Lond. B347(1321), 249-62.
Nottrott R.W., Franklin J.F., Vande Castle J.R. (eds), 1994. International networking in long-term ecological research. US LTER Network Office, Washington, USA, 106 p.
O’Neill R.V., DeAngelis D.L., Waide J.B., Allen T.F.H., 1986. A hierarchical concept of ecosystems. Princeton, NJ, Princeton University Press. Pp. 253.
Piekarz D (ed), 1990. Ecological indicators of the state of the environment. Environmental Monitoring and Assessment, Special Issue 15 (3), 213-320.
Reid P.C. and Edwards M., 1995. A proposed GTOS strategy to monitor rivers, lakes and estuaries. Sir Alister Hardy Foundation for Ocean Science, U.K. Unpublished report to GTOS. 55 p.
Risser P.G. (ed). Long-term ecological research. An international perspective, SCOPE 47. Chichester, John Wiley, 294 p.
ROSELT, 1994. Project to create the Long-Term Ecological Monitoring Observatories Network (ROSELT). Unpublished report to the Rabat Workshop, 5-7 April 1994. Sahara and Sahel Observatory, p. 60.
Rosenzweig C. and Parry M.L., 1994. Potential impact of climate change on world food supply. Nature, London 367, 133-138.
Running S.W., Loveland T.R., Pierce L.L., 1994. A vegetation classification logic based on remote sensing for use in global biogeochemical models. Ambio 23, 77-81.
Running S.W., Loveland T.R., Pierce L.L., Nemani R., Hunt E.R., 1995. A remote sensing based vegetation classification logic for global land cover analysis. Remote Sens. Environ. 51, 39-48.
Santolucito J.A. (ed), 1991. Long-term ecological monitoring for global change. Environmental Monitoring and Assessment, Special Issue, 17(1). p1-78.
Schröder W., Fränzle O., 1995. Disparities in sampling, parameters and metadata: Environmental monitoring and assessment as a unifying basis.
Schulze E-D., Mooney H.A. (eds), 1993. Biodiversity and ecosystem function. Springer-Verlag, Berlin.
Shuttleworth W.J., 1994. Large-scale experimental and modelling studies of hydrological processes. Ambio 23(1): 82-86.
Springer A.M., Walker W.II., Risebrough R.E., 1984. Origins of organochlorines accumulated by peregrine falcons, Falco peregrinus, breeding in Alaska and Greenland. Canadian Field-Naturalist 98: 159-166.
Stanhill G., Moreshet S., 1992. Global radiation climate changes: the world network. Climatic Change 26(1): 89-103.
Steiner R.A. and Herdt R.W., 1993. A Global Directory of Long-term Agronomic Experiments. Vol. I The Rockefeller Foundation, NY.
Stomph T.J., Fresco L.O., van Keulen H., 1994. Land use system evaluation: concepts and methodology. Agric. Syst. 44, 243-255.
TEMS, 1995 - Terrestrial Ecosystem Monitoring Sites Database.
Internet: http://www.wsl.ch/rauminf/riv/datenbank/tems/database_tems.html
Tilman D., Downing J.A., 1994. Biodiversity and stability in grasslands. Nature 367(6461): 363-365.
Tsai-Koester L.-H., 1994. A survey of environmental monitoring and information management programmes of international organizations, 3rd ed., UNEP-HEM, Munich.
Turner B.L., Meyer W.B., Skole D.L., 1994. Global land-use land-cover change: towards an integrated study. Ambio 23, 91-95.
Turner B.L., Moss R.H. and Skole D.L., 1993. Relating land-use and global change: a proposal for an IGBP-HDP Core Project. IGBP Report No. 24 and HDP Report No. 5.
UN 1994
UNEP, 1994. Convention on Biological Diversity. Article 7, p. 7, Geneva, 34 p.
UNEP/GEMS, 1993. Report of the Scientific Advisory Committeee for Terrestrial Ecosystems Monitoring and Assessment. GEMS Report 16, Nairobi.
UNESCO, 1973. International classification and mapping of vegetation. Report United Nations Educational, Scientific and Cultural Organization, Paris.
Weyprecht, 1879
White F. 1983. The Vegetation of Africa. Natural Resources Research XX. UNESCO, Paris.
White R., 1992. Livestock development and pastoral production on communal rangeland in Botswana. Paper for the Commonwealth Secretariat Workshop on New directions in African range management policy, Matopos, Zimbabwe.
Wiersma G.B., 1994. Survey on Long Term Studies on Agricultural Ecosystems, UNEP, GEMS, Nairobi, Kenya, 121 p.
Wilsey
Wilson E.O., Peters F.M. (eds.), 1988. Biodiversity. National Academy of Sciences Press, Washington D.C.
