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Universidade Federal Rural de Pernambuco (2008)

Usos tradicionais e manejo incipiente de Spondias tuberosa Arruda no Semi-Árido do Nordeste do Brasil

Freitas Lins Neto Ernani Machado de

Titre : Usos tradicionais e manejo incipiente de Spondias tuberosa Arruda no Semi-Árido do Nordeste do Brasil

Auteur : de Freitas Lins Neto Ernani Machado

Université de soutenance : Universidade Federal Rural de Pernambuco

Grade : Mestre em Botânica 2008

Résumé
The people select edible plants for the attendance its economic, social and cultural necessities, being such action responsible human being for modification genetic and fenotipics, being such evolutive process called domestication. The present study has for aim to study the influence of practice of collection and management on the populations of Spondias tuberosa Arruda. in an area of Caatinga in the state of Pernambuco. The research was guided by two questionings : Has fenotipics differences between populations of Spondias tuberosa Arruda (umbu) submitted different landscape ? In case that these differences exist, can be associates the preferences of the collectors ? Ahead of such questionings a Ethnobotany study was carried on through in the community of Carão, being divided in two moments. In the first, visited all the residences of the community, interviewing the responsible man and the woman. In the second moment it was identified, from the analyses of the first one, the people who keep a more direct relation with the resource, being deepened questions on the species. A study of the influence landscape under the populations of Spondias tuberosa in five units of landscapes identified in the region was also become fullfilled [area of mountain (vegetation in regeneration the 50anos), foot of the mountain (vegetation in regeneration the 15 years), areas of native pastures, areas of cultive and yards]. In each unit randomic selected 10 individuals for morfometric analyses. The index of Simpson was applied esteem the morphologic diversity in the populations studied in the different units of landscapes. From these methods, verify that knowledge concerning Spondias tuberosa well is distributed in the community. It did not have significant differences betweengender and age. The category food was of bigger prominence for this species, animal and human. The main form of management is the tolerance and the collection of its fruits. Also morphologic divergences between the individuals found in the different units of landscapes, especially for the antropic areas, where the individuals had presented more interesting fenotipics characteristics for the human consumption. On the other hand the found morphologic diversity is the same between the these areas, being this probably associated the tolerance of the individuals. In function of the results, it exists strong indications of that Spondias tuberosa can be under incipient domestication, however still are necessary more elucidate this signalling.studies, as of quantitative genetics and populations, to elucidate this signalling

Mots Clés : Etnobotânica ; Ethnobotany ; Domesticação incipiente ; Manejo in situ ; Umbuzeiro ; Caatinga

Présentation

Page publiée le 24 décembre 2011, mise à jour le 4 septembre 2018