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Conservation and Wise Utilization of Tropical Forests : A Directory of Information Sources
(1980)
The present directory on tropical forests represents a listing of some 350 institutions able to supply information to enquirers, on request and under mutually agreed terms, on one aspect or another of the following subjects ...
Combating Desertification in China
(1982)
In 1951, the Advisory Committee on Arid Zone Research was established within UNESCO to organize the first systematic investigations into problems affecting and lands. As time passed, some 200 desert research institutes ...
Combating Desertification Through Integrated Development - International Scientific Symposium
(1981)
This volume includes abstracts of papers presented at the International Scientific Symposium held under the aegis of the UNEP/USSR Project "Combating Desertification through Integrated Development". While being an integral ...
Lead Pollution of the Global Environment - Progress Reports in Environmental Monitoring And Assessment 1: Lead - MARC Report Number 16-18
(1980)
The production and release of lead into the environment is briefly reviewed and some attempt is made to quantify the movement of lead from atmosphere to man, both via the soil food chain and the respiration pathway. Existing ...
Lead in the Soil Environment: A Technical Report - MARC Report Number 21
(Monitoring and Assessment Research Centre, 1980)
This survey of the literature on lead in soil discusses methods of estimation of total and available lead in soils, the relationships between soil properties and the uptake of lead by plants, and the form and distribution ...
A Preliminary Evaluation Of WMO-UNEP Precipitation Chemistry Data - MARC Report Number 22
(Monitoring and Assessment Research Centre, 1980)
In this paper a preliminary evaluation is made of some of the precipitation chemistry data available from the network for the period 1972-76. It is expected that a more thorough analysis of the quality of the data and the ...
Exposure Commitment Assessments of Environmental Pollutants Volume 1 Number 1: Exposure Commitment Concepts and Application; Summary Exposure Assessments for Lead, Cadmium and Arsenic - MARC Report Number 23
(1981)
This paper gives the definitions, notation, and basic concepts of the method and briefly discusses the application to the transfer of pollutants from sources to man. Exposure commitments give a basis for comparing contributions ...
Health Effects of Methylmercury - MARC Report Number 24
(1981)
This study critically reviews recent data relating to the health effects of methylmercury in man and the attendant dose-response relationships. New data obtained from animal studies are also examined, including pre- and ...
Exposure Commitment Assessments of Environmental Pollutants Volume 1, Number 2: Summary Exposure Assessments for Mercury, Nickel, Tin – MARC Report Number 25
(1981)
In this report, mercury, nickel and tin are considered. Representative background levels of these pollutants in air, soil, water and diet due to natural and man-made sources are indicated. The intake rates by man are ...