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Spatial genetic structuring of baobab (Adansonia digitata L., Malvaceae) in the traditional agroforestry systems of West Africa

(2009) AMERICAN JOURNAL OF BOTANY. 96(5). p.950-957
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Organization
Abstract
This study evaluates the spatial genetic structure of baobab (Adansonia digitata) populations from West African agroforestry systems at different geographical scales using AFLP fingerprints. Eleven populations from four countries (Benin, Ghana, Burkina Faso, and Senegal) had comparable levels of genetic diversity. although the two populations in the extreme west (Senegal) had less diversity. Pairwise F-ST ranged from 0.02 to 0.28 and increased with geographic distance, even at a regional scale. Gene pools detected by Bayesian clustering seem to be a byproduct of the isolation-by-distance pattern rather than representing actual discrete entities. The organization of genetic diversity appears to result essentially from spatially restricted, with some influences of human seed exchange. Despite the potential for relatively long-distance pollen and seed dispersal by bats within populations. statislically significant spatial genetic structuring within population, (SGS) was detected and gave a mean indirect estimate of neighborhood size of ca. 45. This study demonstrated that relatively high levels of genetic structuring are present in baobab at both large and within-population level, which was unexpected in regard to its dispersal by bats and the influence ofliuman exchange of seeds. Implications of these results for the conservation of baobab populations are discussed.
Keywords
agroforestry systems, Adansonia digitata, Malvaceae, genetic structure, spatial autocorrelation, West Africa, POPULATION-STRUCTURE, NATURAL-POPULATIONS, PLANT-POPULATIONS, RAPD MARKERS, SHEA TREE, DISPERSAL, DIVERSITY, DIFFERENTIATION, INDIVIDUALS, DISTANCE

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Citation

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MLA
Kyndt, Tina et al. “Spatial Genetic Structuring of Baobab (Adansonia Digitata L., Malvaceae) in the Traditional Agroforestry Systems of West Africa.” AMERICAN JOURNAL OF BOTANY 96.5 (2009): 950–957. Print.
APA
Kyndt, T., Assogbadjo, A. E., Hardy, O. J., Kakaï, R. G., Sinsin, B., Van Damme, P., & Gheysen, G. (2009). Spatial genetic structuring of baobab (Adansonia digitata L., Malvaceae) in the traditional agroforestry systems of West Africa. AMERICAN JOURNAL OF BOTANY, 96(5), 950–957.
Chicago author-date
Kyndt, Tina, Achille E Assogbadjo, Oliver J Hardy, Romain Glele Kakaï, Brice Sinsin, Patrick Van Damme, and Godelieve Gheysen. 2009. “Spatial Genetic Structuring of Baobab (Adansonia Digitata L., Malvaceae) in the Traditional Agroforestry Systems of West Africa.” American Journal of Botany 96 (5): 950–957.
Chicago author-date (all authors)
Kyndt, Tina, Achille E Assogbadjo, Oliver J Hardy, Romain Glele Kakaï, Brice Sinsin, Patrick Van Damme, and Godelieve Gheysen. 2009. “Spatial Genetic Structuring of Baobab (Adansonia Digitata L., Malvaceae) in the Traditional Agroforestry Systems of West Africa.” American Journal of Botany 96 (5): 950–957.
Vancouver
1.
Kyndt T, Assogbadjo AE, Hardy OJ, Kakaï RG, Sinsin B, Van Damme P, et al. Spatial genetic structuring of baobab (Adansonia digitata L., Malvaceae) in the traditional agroforestry systems of West Africa. AMERICAN JOURNAL OF BOTANY. 2009;96(5):950–7.
IEEE
[1]
T. Kyndt et al., “Spatial genetic structuring of baobab (Adansonia digitata L., Malvaceae) in the traditional agroforestry systems of West Africa,” AMERICAN JOURNAL OF BOTANY, vol. 96, no. 5, pp. 950–957, 2009.
@article{676683,
  abstract     = {This study evaluates the spatial genetic structure of baobab (Adansonia digitata) populations from West African agroforestry systems at different geographical scales using AFLP fingerprints. Eleven populations from four countries (Benin, Ghana, Burkina Faso, and Senegal) had comparable levels of genetic diversity. although the two populations in the extreme west (Senegal) had less diversity. Pairwise F-ST ranged from 0.02 to 0.28 and increased with geographic distance, even at a regional scale. Gene pools detected by Bayesian clustering seem to be a byproduct of the isolation-by-distance pattern rather than representing actual discrete entities. The organization of genetic diversity appears to result essentially from spatially restricted, with some influences of human seed exchange. Despite the potential for relatively long-distance pollen and seed dispersal by bats within populations. statislically significant spatial genetic structuring within population, (SGS) was detected and gave a mean indirect estimate of neighborhood size of ca. 45. This study demonstrated that relatively high levels of genetic structuring are present in baobab at both large and within-population level, which was unexpected in regard to its dispersal by bats and the influence ofliuman exchange of seeds. Implications of these results for the conservation of baobab populations are discussed.},
  author       = {Kyndt, Tina and Assogbadjo, Achille E and Hardy, Oliver J and Kakaï, Romain Glele and Sinsin, Brice and Van Damme, Patrick and Gheysen, Godelieve},
  issn         = {0002-9122},
  journal      = {AMERICAN JOURNAL OF BOTANY},
  keywords     = {agroforestry systems,Adansonia digitata,Malvaceae,genetic structure,spatial autocorrelation,West Africa,POPULATION-STRUCTURE,NATURAL-POPULATIONS,PLANT-POPULATIONS,RAPD MARKERS,SHEA TREE,DISPERSAL,DIVERSITY,DIFFERENTIATION,INDIVIDUALS,DISTANCE},
  language     = {eng},
  number       = {5},
  pages        = {950--957},
  title        = {Spatial genetic structuring of baobab (Adansonia digitata L., Malvaceae) in the traditional agroforestry systems of West Africa},
  url          = {http://dx.doi.org/10.3732/ajb.0800266},
  volume       = {96},
  year         = {2009},
}

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