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\hypersetup{pdftitle={Pedogenic Differentiation in a Catena in Northern Suriname},pdfauthor={Hilmar Schröder, Madeleine Waniek, Juliane Petersen, Jacob Hardt},pdfsubject={Tropentag 2010: Abstract},pdfkeywords={Catena, guiana shield, organic matter, pedogenic, soil, suriname},pdfpagemode=None,colorlinks=true}
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\parbox[b]{13.4cm}{\centering \large{\textbf{Tropentag, September 14-16, 2010, Zurich}}\\[1ex] \Large{``World Food System  ---\\A Contribution from Europe''\\[2ex]}}
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\begin{center}
\Large{\textbf{Pedogenic Differentiation in a Catena in Northern Suriname\footnote{\textbf{Contact Address:} Jacob Hardt, Humboldt Universität zu Berlin, Geography - Geomorphology, Rudower Chausse 16, 12489~Berlin, Germany, \mbox{e-mail}: \email{jacob.hardt@student.hu-berlin.de}}\\[0.8ex]}}
\normalsize{\textsc{Hilmar Schröder$^{1}$, Madeleine Waniek$^{2}$, Juliane Petersen$^{3}$, Jacob Hardt$^{4}$}}
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\begin{itemize*}
\item[]{\small{\textit{$^{1}$Humboldt Universität zu Berlin, Geography - Geomorphology, }}}
\item[]{\small{\textit{$^{2}$Humboldt Universität zu Berlin, Geography - Geomorphology, }}}
\item[]{\small{\textit{$^{3}$Humboldt Universität zu Berlin, Geography - Geomorphology, }}}
\item[]{\small{\textit{$^{4}$Humboldt Universität zu Berlin, Geography - Geomorphology, Germany}}}
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\index[author]{Schröder, Hilmar}
\index[author]{Waniek, Madeleine}
\index[author]{Petersen, Juliane}
\index[author]{Hardt, Jacob}
\begin{center}
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\textbf{Abstract}
\begin{abstract}
\normalsize{
In March 2009 more than 40 soil profiles were dug and recorded in the Republic of Suriname and reveal new insights concerning soil types and organic matter in the tropics. Laying between 2 to 5 degrees north of the equator with British Guiana to the west and French Guiana to the east Suriname is the smallest independent country of South America. There is a hot and humid tropical climate with two dry seasons from February to April and from August to September. Two geological main areas can be distinguished: the young and old coastal plain to the north and the 3.4 billion years old Guiana shield in the south. These facts created an unexpected diversity of soil types throughout the country. Along the 100 km north"=south route from the Atlantic coast to the Brownsberg Mountain with \mbox{512\,m} above see level the catena crosses all relevant geomorphological units of the country of different geological ages. The soils include marine and fluvial Holocene and Pleistocene sediments in the coastal plains, the tertiary white sand formation as intersection to the Precambrian rocks of the Guiana shield and finally the clayey sediments of the piedmont and the Guiana shield itself. Each soil region is highly influenced by water so that different kinds of Gleysols, Stagnosols, Fluvisols as well as oxidation and bleaching processes can be found. In contrast to many research results concerning tropical soils we discovered organic matter to a high content ($>$ \mbox{6\,\%}) even in the subsoil everywhere along the catena. 



The more you come to the southern part of Suriname the more the anthropogenic influence decreases because most of the population lives on the marine and fluvial sediments of the coastal plains. The unaffected nature makes Suriname outstanding for pedogenic research.}

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\noindent \textbf{Keywords:} Catena, guiana shield, organic matter, pedogenic, soil, suriname
\index[key]{Catena}
\index[key]{Guiana shield}
\index[key]{Organic!matter}
\index[key]{Pedogenic}
\index[key]{Soil}
\index[key]{Suriname}
\end{document}