Banca de DEFESA: ALINE CRISTINA FERRAGUTTI

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
DISCENTE : ALINE CRISTINA FERRAGUTTI
DATA : 22/06/2021
HORA: 14:00
LOCAL: Remoto
TÍTULO:

Dispersion of tree species fruits and seeds used in forest restoration projects in the Cerrado-Amazon transition

PALAVRAS-CHAVES:

Amazon, Cerrado, forest seeds, fruit dispersion, phenology

PÁGINAS: 35
GRANDE ÁREA: Ciências Biológicas
ÁREA: Ecologia
SUBÁREA: Ecologia Aplicada
RESUMO:

The characterization of the phenological patterns of tree species is important information for better planning the collection of fruits and seeds in the field, which is key to successful forest restoration projects. In this work we use a database from the Associação Rede de Sementes do Xingu that has 25 groups of seed collectors spread across 17 municipalities in Mato Grosso. This database, that contains information for 142 tree species used in forest restoration actions and the date that seeds were collected in the field during an eight years period (2010-2018), was used to answer three questions: 1) What is the fruits and seed dispersion period for each of these species? 2) What is the spatial and temporal variation in the production of fruits and seeds for these species? 3) Do species with different dispersion syndromes or successional groups differ in terms of the fruit dispersion period? The results showed a group of 12 species with fruit dispersion in 10 or more months of the year. Byrsonima cydoniifolia and Spondias mombin had production in all months of the year, with great spatial variation in the fruit dispersion period. Regardless of the dispersion syndrome or successional group, the number of species producing fruits was higher at the end of the dry period and at the beginning of the rainy period for all species. Most species with small seeds are pioneers and species with large seeds are climaxes. The results show great spatial variability for the period of fruit and seed dispersion in most of the studied tree species, which has important implications for planning seed collection activities at local and regional scales.

MEMBROS DA BANCA:
Presidente - 996.005.011-49 - DIVINO VICENTE SILVÉRIO - UnB
Interno - 82328001 - BEATRIZ SCHWANTES MARIMON
Externo à Instituição - HENRIQUE AUGUSTO MEWS - UFAC