Rice, weeds and shifting cultivation in a tropical rain forest : a study of vegetation dynamics
Open accessAbstract
The study deals with the rain forest area in south-west Côte d'lvoire (Taï National Park). Descriptions are given of the area's history, agricultural practices, geology, geomorphology, soils, flora and vegetation. The shifting cultivation system based on upland rice was studied as it is practiced without land shortage and under constraints. Possible adaptations of the system to the increasing population pressure have been tested on the fields of local farmers. Special attention was paid to the dynamics of the weed population and to the competition between rice and weeds. The classifications of primary forest, secondary forest and field vegetations are based on their complete floristic composition and was carried out by tabular comparison of plot-data.
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Ferns are particularly responsive to fine-scale environmental heterogeneity.
“Not only is this group particularly responsive to fine-scale environmental heterogeneity (De Rouw, 1991), but ferns are also remarkably well-represented in the scarce literature that exists on the pygmy hippo ' s diet.”
From Fine-scale habitat requirements of the pygmy hippopotamus (Choeropsis liberiensis): Implications for rainforest conservation in West Africa (2026) · cites this paper as De Rouw, 1991
The available indexed passages describe shifting cultivation, weeds, and vegetation classification, but do not mention ferns or their response to fine-scale environmental variation. Searches for fern responsiveness and related variation in soil, topography, moisture, and disturbance returned no relevant passage, so the claim cannot be verified from the available copy. (LLM, conf=0.72)
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Kempkes, J. B., Si, Y., van ’t Zelfde, M., Digbeu, H. E. O., Bogui, E. B., Ouattara, K., Koné, I., & Paris, M. (2026) · Global Ecology and Conservation · doi:10.1016/j.gecco.2026.e04346
- Authors
- de Rouw, A.
- Publisher
- Wageningen University and Research
- Published
- 1991-01-01
- OpenAlex
- W2736995421
- Cited by
- 22
- References
- 0
- Citations by year
- 2019: 1 · 2018: 1 · 2017: 1 · 2014: 1
- Type
- dissertation
- Language
- en
- Open access
- green
- research.wur.nl
- Locations
- Socio-Environmental Systems Modeling (acceptedVersion)
- Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Indigenous Knowledge Systems and Agriculture
- Physical Sciences › Environmental Science › Ecology › Environmental and biological studies
- Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Agronomic Practices and Intercropping Systems
- Keywords
- shifting cultivation, upland rice, weeds, weed population dynamics, weed-rice competition, vegetation dynamics, tropical rainforest, Taï National Park, secondary forest, population pressure, agricultural practices
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