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Growth and Site Conditions of Acacia mangium, Acacia hybrid, Eucalyptus urophylla, Cinnamomum parthenoxylon and Erythropholeum fordii for Livelihood Security of Smallholders in Industrial Tree Planting Programs of Vietnam

by Chaw Sein
Doctoral thesis
Date of Examination:2012-02-16
Date of issue:2012-03-16
Advisor:Prof. Dr. Ralph Mitlöhner
Referee:Prof. Dr. Ralph Mitlöhner
Referee:Prof. Dr. Joachim Saborowski
Referee:Prof. Dr. Dr. František Hapla
Persistent Address: http://hdl.handle.net/11858/00-1735-0000-0006-B156-F

 

 

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Abstract

English

This research has been carried out in the context of a CIFOR (Center for International Forestry Research) project. The purpose of the project is to strengthen rural institutions and promote innovative partnerships to increase productivity, profitability, and access to land, credit, and markets for smallholders participating in industrial tree-planting programs in Vietnam and Indonesia. The government of Vietnam is carrying out a large-scale 'reforestation program', with the aim of improving local livelihood security, environmental sustainability and industrial wood supply. Smallholders are involved in plantation timber production through various schemes. Generally, these reforestation efforts have been effective: eventhough smallholders often lack the appropriate technical knowledge and manage skills. Therefore, the proper research on silvicultural and management aspects of fast growing species and also native species are necessary. In this study, three exotic, Acacia mangiu, Acacia hybrid, Eucalyptus urophylla and two native species, Cinnamomum parthenoxylon, Erythropholeum fordii were selected to conduct stand structure and stand volume analyses in different ages.
Keywords: Diameter; Height; Volume; Stand density; Site Index; Basal Area

Other Languages

Im Rahmen des BMZ/BEAF/CIFOR-Projekts "Strengthening Rural Institutions to Support Livelihood Security for Smallholders Involved in Industrial Tree/Planting Programs in Vietnam and Indonesia"Wird das Ziel anvisiert, nationale Aufforstungsbemühungen In Vietnam durch verbesserte Waldinventur-, Waldbau-und Forstpolitikkonzepte zu unterstützen. Übernutzung, Brandhackbau und Kriegseinwirkungen haben die Waldflächen Vietnams stark verändert. Obwohl die offiziellen Zahlen (2011: 39% Waldanteil) nicht ungünstig erscheinen, sind die Flächen dennoch sehr ungleichmäßig verteilt und häufig sind (erosionsgefährdete) Lagen entwaldet. Auch vor dem Hintergrund schmerzhafter Umweltkatastrophen (z.B. Hochwasserereignisse in Hue) hat sich die vietnamesische Regierung entschlossen, großflächige Aufforstungs-und Wiederbewaldungsprogramme aufzulegen. Aufforstungsprogramme mit Kleinbauern erfordern technisches Wissen und Managementerfahrung. Deshalb warden hier waldbauliche Aspekte etablierter schnellwachsender Exoten ( Acacia mangium, Acacia hybrid, Eucalyptus urophylla) und einheimische Baumarten ( Cinnamomum parthenoxylon, Erythropholeum fordii) hinsichtlich Bestandesstrukturen und waldbaulichem Potenzial bearbeitet und vorgestellt.
Schlagwörter: Durchmesser; Höhe; Volumen; Bestandesdichte; Site-Index; Grundfläche
 

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