Banca de DEFESA: CAMILA FERNANDES BARRA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : CAMILA FERNANDES BARRA
DATE: 12/07/2021
TIME: 09:00
LOCAL: Atividade a ser desenvolvida remotamente. Link para acesso: meet.google.com/bxu-frif-sjs
TITLE:

"Plants and Populations of the Amazon: an approach on landscape modification on plateaus in the Saracá-Taquera National Forest (PA)."

KEY WORDS:

Amazon. Species domestication. Non-Timber Forest Products.

PAGES: 80
BIG AREA: Ciências Biológicas
AREA: Botânica
SUMMARY:

The domestication process of plants and landscapes contributed to the composition of the diversity of tree species in the Amazon. In some regions it is possible to observe a great variation in the ranking of the most abundant species among areas that are geographically close, and this variation can be observed in the high values of beta-diversity of these regions. Among these most abundant, there is a large representation of species handled by human populations, due to their uses, such as food and medicine. In this study, the floristic composition and phytosociological structure were analyzed in 10 plateaus in the Saracá-Taquera National Forest, in order to evaluate the influence of the management of Amazonian populations on tree species in these nearby areas, but geographically separated by the variation in altitude. The assessment included surveying the region's archaeological information, characterizing the uses of tree species and identifying hyperdominant and domesticated species. 36,943 individuals (DBH ≥ 10 cm) distributed in 979 species, 270 genera and 69 families, in the tree and palm forms of the 300 plots sampled and analyzed. Shannon & Wiener's diversity indexes (H '= 5.41) and equability (J = 0.78) of the plateaus showed that communities are highly diverse. Among the species recorded, a small group showed high abundance, on average 13.74% rare (2 individuals) and 26.01% very rare (1 individual). Regarding the importance value index (IVI%), 64 species (or 6.54% of the total) accounted for 50.29% of the total index. Considering the 10 species with the highest IVI (%) of each plateau (100 in total), this response value ranged from 19.38% to 31.47%. There were 147 archaeological sites with significant wealth, evidence of use, management and cultivation of species in the region. 66 families were characterized as utilitarian, corresponding to 727 species and 35,922 individuals. Considering all the plateaus, more than 80% of the species and 90% of the individuals have some type of use. The most representative categories of uses were: fauna food (573 species), aromatic essence production (337) and medicinal use (261). Among all species it was found that 122 are hyperdominant and 28 are domesticated species. The abundance of domesticated species ranged from 137 (0.37%) and 951 (2.57%) individuals in the plateaus. These results demonstrate that human populations in the region may have played an important and lasting role in the distribution and enrichment of species found in the analyzed forest, leaving the signs of domestication in the landscape. Understanding the contributions of species domestication to Amazonian tree diversity can contribute to the orientation of conservation and forest management plans in the region and efforts to conserve populations of domesticated and utilitarian plants.

BANKING MEMBERS:
Interna - 377.382.402-53 - ELY SIMONE CAJUEIRO GURGEL - MPEG
Externo à Instituição - JOSE HENRIQUE CATTANIO - UFPA
Externo à Instituição - LEANDRO VALLE FERREIRA - MPEG
Externo à Instituição - LUCAS JOSÉ MAZZEI DE FREITAS - EMBRAPA
Presidente - 261.375.266-15 - RAFAEL DE PAIVA SALOMÃO - MPEG