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| Article Title | Trees and Regeneration in Rubber Agroforests and Other Forest-Derived Vegetation in Jambi (Sumatra, Indonesia) | | Author | Hesti L. Tata, Meine van Noordwijk and Marinus Werger | | Year | 2008 | | Journal Title | Journal of Forestry Research | | Institution | Ministry of Forestry-Forestry Research and Development Agency | | Volume | 5 | | Issue | 1 | | Pages | 1-20 | | Call Number | JA0335-09 | | Keywords | Diversity indices, species richness, structure, tropical secondary forest |
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| Abstract: |
| The rubber agroforests (RAF) of Indonesia provide a dynamic interface between natural processes of forest regeneration and human's management targeting the harvesting of latex with min~mum investment of time and financial resources. The composition and species richness of higher plants across an intensification gradient from forest to mono cultures of tree crops have been investigated in six land use types (viz. secondary forest, RAF, rubber monoculture, oil palm plantation, cassava field and Imperata grassland) in Burigo, Jambi Province, Indonesia. We emphasize comparison of four different strata (understory, seedling, sapling and tree) of vegetation between forest and RAF, with specific interest in plant dependence on ectomycorrhiza fungi. Species richness and species accumulation curves for seedling and sapling stages were similar between forest and RAF, but in the tree stratum (trees> 10 cm dbh) selective thinning by farmers was evident in a reduction of species diversity and an increase in the proportion of trees with edible parts. Very few trees dependent on ectomycorrhiza fungi were encountered in the RAF. However, the relative distribution of early and late successional species as evident from the wood density distribution showed no difference between RAF and forest. |
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GRP 1: Domestication, utilization andconservation ofsuperior agroforestry germplasm
GRP 6: Developing policies and incentives for multifunctional landscapes with trees that provide environmental services
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