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Cryptic indicators of provenance from the geochemistry of the Okavango Delta sediments, Botswana
(Elsevier; http://www.elsevier.com/wps/find/journaldescription.cws_home/503361/description#description, 2005)
[Please note that chemical formulae do not display properly]:The siliciclastic sediments of the Okavango inland Delta of northwest Botswana have a modal composition of quartz arenites and result from a complex history, ...
Seed weight patterns of Acacia tortilis from seven seed provenances of Botswana
(John Wiley and Sons, http://www.wiley.com, 2005)
Laboratory-based seed storage systems have been developed as an alternative to in situ conservation for indigenous
woody plant species. However, interactions between
seed quality and environmental variables must be known ...