Synchrony in the phenologies of fine roots and leaves of Vitellaria paradoxa in different land uses of Burkina Faso
This study focused on leaf and root density dynamics of the most dominant tree species (Vitellaria paradoxa) of West African savannas in two land use types (farmed land and forest). Ten trees located at least 100 m from each other were selected, with five trees each located in the field and in the forest. Five of the trees were of small-diameter [two in the fields (diameter at breast height or DBH 20.1–20.7 cm) and three in the forest (DBH 7.0–8.0–10.8 cm)] and five others were of large-diameter [three in the fields (DBH 38.2–81.8–81.9 cm) and two in the forest (DBH 20.1–20.7 cm)]. One near-vertical rhizotron was installed under each tree to evaluate root density while canopy openness, diffuse and directly transmitted light were monitored by taking hemispheric photograph monthly. After a two-year period of monitoring, the results revealed a strong seasonality in root density with peak root density observed during the rainy season in August and the lowest production during the dry season in April. Significant lowest canopy openness was observed from August to September while the highest occurred from March to May, which was found to be synchronous with fine root dynamics. The light interception followed the same trends as the leaf production. Furthermore, both mature and young trees showed significant higher root density in the fields compared to the forest while the mean values of all the parameters of canopy openness and light transmittance were higher in the forest than the fields.
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dig-cirad-fr-5856072024-03-05T07:11:34Z http://agritrop.cirad.fr/585607/ http://agritrop.cirad.fr/585607/ Synchrony in the phenologies of fine roots and leaves of Vitellaria paradoxa in different land uses of Burkina Faso. Bazié Paulin, Ky-Dembélé Catherine, Jourdan Christophe, Roupsard Olivier, Zombre Gérard, Bayala Jules. 2019. Agroforestry Systems, 93 (2) : 449-460.https://doi.org/10.1007/s10457-017-0135-0 <https://doi.org/10.1007/s10457-017-0135-0> Synchrony in the phenologies of fine roots and leaves of Vitellaria paradoxa in different land uses of Burkina Faso Bazié, Paulin Ky-Dembélé, Catherine Jourdan, Christophe Roupsard, Olivier Zombre, Gérard Bayala, Jules eng 2019 Agroforestry Systems K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F60 - Physiologie et biochimie végétale F08 - Systèmes et modes de culture Vitellaria paradoxa phénologie rhizosphère enracinement forêt forêt collective photosynthèse croissance feuille utilisation des terres couverture végétale http://aims.fao.org/aos/agrovoc/c_15235 http://aims.fao.org/aos/agrovoc/c_5774 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_6649 http://aims.fao.org/aos/agrovoc/c_3062 http://aims.fao.org/aos/agrovoc/c_15955 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_4182 http://aims.fao.org/aos/agrovoc/c_25409 Burkina Faso http://aims.fao.org/aos/agrovoc/c_8081 This study focused on leaf and root density dynamics of the most dominant tree species (Vitellaria paradoxa) of West African savannas in two land use types (farmed land and forest). Ten trees located at least 100 m from each other were selected, with five trees each located in the field and in the forest. Five of the trees were of small-diameter [two in the fields (diameter at breast height or DBH 20.1–20.7 cm) and three in the forest (DBH 7.0–8.0–10.8 cm)] and five others were of large-diameter [three in the fields (DBH 38.2–81.8–81.9 cm) and two in the forest (DBH 20.1–20.7 cm)]. One near-vertical rhizotron was installed under each tree to evaluate root density while canopy openness, diffuse and directly transmitted light were monitored by taking hemispheric photograph monthly. After a two-year period of monitoring, the results revealed a strong seasonality in root density with peak root density observed during the rainy season in August and the lowest production during the dry season in April. Significant lowest canopy openness was observed from August to September while the highest occurred from March to May, which was found to be synchronous with fine root dynamics. The light interception followed the same trends as the leaf production. Furthermore, both mature and young trees showed significant higher root density in the fields compared to the forest while the mean values of all the parameters of canopy openness and light transmittance were higher in the forest than the fields. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/585607/7/Bazi%C3%A92019_Article_SynchronyInThePhenologiesOfFin.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1007/s10457-017-0135-0 10.1007/s10457-017-0135-0 info:eu-repo/semantics/altIdentifier/doi/10.1007/s10457-017-0135-0 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1007/s10457-017-0135-0 info:eu-repo/grantAgreement/EC/FP6/32037//(EU) Innovative tools and techniques for sustainable use of the Shea Tree in Sudano-Sahelian zone/INNOVKAR |
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K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F60 - Physiologie et biochimie végétale F08 - Systèmes et modes de culture Vitellaria paradoxa phénologie rhizosphère enracinement forêt forêt collective photosynthèse croissance feuille utilisation des terres couverture végétale http://aims.fao.org/aos/agrovoc/c_15235 http://aims.fao.org/aos/agrovoc/c_5774 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_6649 http://aims.fao.org/aos/agrovoc/c_3062 http://aims.fao.org/aos/agrovoc/c_15955 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_4182 http://aims.fao.org/aos/agrovoc/c_25409 http://aims.fao.org/aos/agrovoc/c_8081 K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F60 - Physiologie et biochimie végétale F08 - Systèmes et modes de culture Vitellaria paradoxa phénologie rhizosphère enracinement forêt forêt collective photosynthèse croissance feuille utilisation des terres couverture végétale http://aims.fao.org/aos/agrovoc/c_15235 http://aims.fao.org/aos/agrovoc/c_5774 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_6649 http://aims.fao.org/aos/agrovoc/c_3062 http://aims.fao.org/aos/agrovoc/c_15955 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_4182 http://aims.fao.org/aos/agrovoc/c_25409 http://aims.fao.org/aos/agrovoc/c_8081 |
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K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F60 - Physiologie et biochimie végétale F08 - Systèmes et modes de culture Vitellaria paradoxa phénologie rhizosphère enracinement forêt forêt collective photosynthèse croissance feuille utilisation des terres couverture végétale http://aims.fao.org/aos/agrovoc/c_15235 http://aims.fao.org/aos/agrovoc/c_5774 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_6649 http://aims.fao.org/aos/agrovoc/c_3062 http://aims.fao.org/aos/agrovoc/c_15955 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_4182 http://aims.fao.org/aos/agrovoc/c_25409 http://aims.fao.org/aos/agrovoc/c_8081 K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F60 - Physiologie et biochimie végétale F08 - Systèmes et modes de culture Vitellaria paradoxa phénologie rhizosphère enracinement forêt forêt collective photosynthèse croissance feuille utilisation des terres couverture végétale http://aims.fao.org/aos/agrovoc/c_15235 http://aims.fao.org/aos/agrovoc/c_5774 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_6649 http://aims.fao.org/aos/agrovoc/c_3062 http://aims.fao.org/aos/agrovoc/c_15955 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_4182 http://aims.fao.org/aos/agrovoc/c_25409 http://aims.fao.org/aos/agrovoc/c_8081 Bazié, Paulin Ky-Dembélé, Catherine Jourdan, Christophe Roupsard, Olivier Zombre, Gérard Bayala, Jules Synchrony in the phenologies of fine roots and leaves of Vitellaria paradoxa in different land uses of Burkina Faso |
description |
This study focused on leaf and root density dynamics of the most dominant tree species (Vitellaria paradoxa) of West African savannas in two land use types (farmed land and forest). Ten trees located at least 100 m from each other were selected, with five trees each located in the field and in the forest. Five of the trees were of small-diameter [two in the fields (diameter at breast height or DBH 20.1–20.7 cm) and three in the forest (DBH 7.0–8.0–10.8 cm)] and five others were of large-diameter [three in the fields (DBH 38.2–81.8–81.9 cm) and two in the forest (DBH 20.1–20.7 cm)]. One near-vertical rhizotron was installed under each tree to evaluate root density while canopy openness, diffuse and directly transmitted light were monitored by taking hemispheric photograph monthly. After a two-year period of monitoring, the results revealed a strong seasonality in root density with peak root density observed during the rainy season in August and the lowest production during the dry season in April. Significant lowest canopy openness was observed from August to September while the highest occurred from March to May, which was found to be synchronous with fine root dynamics. The light interception followed the same trends as the leaf production. Furthermore, both mature and young trees showed significant higher root density in the fields compared to the forest while the mean values of all the parameters of canopy openness and light transmittance were higher in the forest than the fields. |
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article |
topic_facet |
K10 - Production forestière F62 - Physiologie végétale - Croissance et développement F60 - Physiologie et biochimie végétale F08 - Systèmes et modes de culture Vitellaria paradoxa phénologie rhizosphère enracinement forêt forêt collective photosynthèse croissance feuille utilisation des terres couverture végétale http://aims.fao.org/aos/agrovoc/c_15235 http://aims.fao.org/aos/agrovoc/c_5774 http://aims.fao.org/aos/agrovoc/c_6569 http://aims.fao.org/aos/agrovoc/c_6649 http://aims.fao.org/aos/agrovoc/c_3062 http://aims.fao.org/aos/agrovoc/c_15955 http://aims.fao.org/aos/agrovoc/c_5812 http://aims.fao.org/aos/agrovoc/c_3394 http://aims.fao.org/aos/agrovoc/c_4243 http://aims.fao.org/aos/agrovoc/c_4182 http://aims.fao.org/aos/agrovoc/c_25409 http://aims.fao.org/aos/agrovoc/c_8081 |
author |
Bazié, Paulin Ky-Dembélé, Catherine Jourdan, Christophe Roupsard, Olivier Zombre, Gérard Bayala, Jules |
author_facet |
Bazié, Paulin Ky-Dembélé, Catherine Jourdan, Christophe Roupsard, Olivier Zombre, Gérard Bayala, Jules |
author_sort |
Bazié, Paulin |
title |
Synchrony in the phenologies of fine roots and leaves of Vitellaria paradoxa in different land uses of Burkina Faso |
title_short |
Synchrony in the phenologies of fine roots and leaves of Vitellaria paradoxa in different land uses of Burkina Faso |
title_full |
Synchrony in the phenologies of fine roots and leaves of Vitellaria paradoxa in different land uses of Burkina Faso |
title_fullStr |
Synchrony in the phenologies of fine roots and leaves of Vitellaria paradoxa in different land uses of Burkina Faso |
title_full_unstemmed |
Synchrony in the phenologies of fine roots and leaves of Vitellaria paradoxa in different land uses of Burkina Faso |
title_sort |
synchrony in the phenologies of fine roots and leaves of vitellaria paradoxa in different land uses of burkina faso |
url |
http://agritrop.cirad.fr/585607/ http://agritrop.cirad.fr/585607/7/Bazi%C3%A92019_Article_SynchronyInThePhenologiesOfFin.pdf |
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