Silicon Retention in River Basins: Far-reaching Effects on Biogeoch- emistry and Aquatic Food Webs in Coastal Marine Environments
Christoph Humborg;Daniel J.Conley.Lars Rahm;Fredrick Wulff; Adriana Cociasu; Venugopalan Ittekkot

..............page:45-50,58

How Warm Was the Medieval Warm Period?
Thomas J. Crowley Thomas S. Lowery

..............page:51-54,58

Temperature Dependence of Old Soil Organic MatterComments on the paper by Liski, J , Ilvesniemi, H , Makela , A. And Westaman, C. J. Ambio Vol. X X VIII,No.2,1999
Professor Goran I. Agren Department of Ecology and Environmental Research Swedish University of Agricultural Sciences Box 7072SE-750 07 Uppsala Sweden

..............page:55

fei zhou de quan qiu bian hua yan jiu
zhang fan

..............page:1

The Holocene History of Lake Victoria
Thomas C. Johnson; Kerry Kelts; Eric Odada

..............page:2-11,58

Modelling Hydrological Responses to Land Use and Climate Change: A Southern African Perspective
Roland E.SchuIze

..............page:12-22,58

Biogenic and Pyrogemic Emissions from Africa and their Impact on the Global Atmosphere
Mary Scholes Meinrat O.Andreae

..............page:23-29,58

Decadal-scale Trends Across Several Marine Trophic Levels in the Southern Benguela Upwelling System off South Africa
Hans M. Verheye

..............page:30-34,58

The Socio-economic and Ecological Impacts of the Agro-industrial Food Chain on the Rural Economy in Kenya
Mary Magdalene Opondo

..............page:35-41,58

Employment, Environment, and Development: Keys to the Eradication of Poverty

..............page:42-43

1999 nian 11 yue 18 ri huang jia tao lun hui can jia zhe ming dan rui dian guo wang ka er shi liu shi gu si ta fu bi xia rui dian wang chu wei duo li ya dian xia
dai jun hu

..............page:44

Temperature Dependence of Old Soil Organic Matter Reply to the Comments by Gran gren on a paper by Liski et al. Ambio Vol. X X VIII,No.2,1999
Jari Liski;European Forest Institute;Torikatu 34; FIN-80100 Joensuu;FinlandE-mail: Jari.Liski@efi.fiHannu Hvesniemi; Department of Forest Ecology; University of Helsinki; P.O. Box 24; FIN-00014 University of Helsinki; FinlandAnnikki MakeldDepartment of Forest Ecology;University of Helsinki; P.O. Box 24;FIN-00014 University of Helsinki;FinlandCarl Johan Westman Department of Forest Ecology; University of Helsinki; P.O. Box 24; FIN-00014 University of Helsinki; Finland

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