Abstract
Plant families differ greatly with regard to their usefulness to humans. Within families there are also large differences in the usefulness between species; some are used for many different purposes, while most are used for few or no purposes. Which ones and to what extent species are used often varies between areas and cultural groups. To better understand variation in speciesȁ9 usefulness we studied the use of different palm species (Arecaceae) among two socio-cultural groups (one indigenous and one colonist group of mixed ethnic descent) living in the same area. We used regression and correlation analyses to determine to what degree use is related to ecological and morphological characteristics, to geographical differences in abundance, and to peopleȁ9s perceptions of speciesȁ9 availability. We found that abundance and height were the most important characteristics related to use, possibly due to the effect of height and abundance on salience, search time, and (for height) suitability for different purposes. Abundance was most important for palm heart extraction, probably due to the opportunistic nature of this activity. There was no difference between socio-cultural groups with regard to the relationship between palm abundance and use, but abundance seemed to be more decisive for people who used moderate amounts of palms. Finally, it was seen that peopleȁ9s estimates of palm abundance were not related to our measurements of abundance, which may be due to use of different spatial scales in evaluating abundance and to the subjective nature of terms such as “rare” and “abundant”.
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Acknowledgements
We thank all the staff from the Herbario Reinaldo Espinosa, Universidad Nacional, in Loja, Ecuador, for their kind and efficient help with our fieldwork. We also thank the inhabitants in the visited villages, who shared their knowledge of palms with us. Funding for this work was obtained from the Research Council for Development Research (Danida grant 91050 to AB), the European Union (Marie Curie Fellowship to JV) and the Danish Natural Science Research Council (21-01-0617 and 21-02-0522 to HB).
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Byg, A., Vormisto, J. & Balslev, H. Using the useful: characteristics of used palms in south-eastern Ecuador. Environ Dev Sustain 8, 495–506 (2006). https://doi.org/10.1007/s10668-006-9051-6
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DOI: https://doi.org/10.1007/s10668-006-9051-6