Strategies trees use to overcome seasonal water limitation in an agroforestry system in semiarid West Africa

Agroforestry parklands, in which annual crops are grown under scattered mature trees, constitute the most prevalent farming system in semiarid West Africa, covering vast areas of land. The most dominant tree species in these systems is Vitellaria paradoxa, an indigenous tree to West Africa. Despite...

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Bibliographic Details
Published in:Ecohydrology 2017-04, Vol.10 (3), p.n/a
Main Authors: Bargués Tobella, A., Hasselquist, N.J., Bazié, H.R., Nyberg, G., Laudon, H., Bayala, J., Ilstedt, U.
Format: Article
Language:English
Subjects:
agroforestry parklands
Burkina Faso
drylands
Ecology
Ekologi
Forest Science
groundwater
Markvetenskap
oxygen stable isotopes
Shea tree
Skogsvetenskap
Soil Science
water source partitioning
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Summary:Agroforestry parklands, in which annual crops are grown under scattered mature trees, constitute the most prevalent farming system in semiarid West Africa, covering vast areas of land. The most dominant tree species in these systems is Vitellaria paradoxa, an indigenous tree to West Africa. Despite the importance of this tree in the region, no study to our knowledge has examined its sources and patterns of water uptake. In this study, we used oxygen stable isotopes at natural abundance levels to investigate water sources used by V. paradoxa both in the dry and wet season in an agroforestry parkland in Burkina Faso. We found that during the wet season soil moisture was highest near the soil surface (
ISSN:1936-0584
1936-0592
1936-0592
DOI:10.1002/eco.1808