Banca de DEFESA: PRISCILA DE CERQUEIRA VERAS

Uma banca de DEFESA de DOUTORADO foi cadastrada pelo programa.
DISCENTE : PRISCILA DE CERQUEIRA VERAS
DATA : 07/07/2020
HORA: 14:00
LOCAL: Por participação remota
TÍTULO:

Predicting variables in macroinvertebrates associates with rhodolith beds from Fernando de Noronha Archipelago and Abrolhos Bank - Brazil

PÁGINAS: 95
GRANDE ÁREA: Ciências Biológicas
ÁREA: Ecologia
RESUMO:

Ecologically important marine ecosystems must be identified and protected, as is the case with rhodolith beds. Determine biodiversity predictor variables can assist in making decisions to define priority areas for conservation. Therefore, we tested different variables to understand their influences on the structuring of the vagile macroinvertebrate communities (> 500μm) associated with rhodolith beds from Fernando de Noronha Archipelago (Chapter 1) and Abrolhos (Chapter 2). In the Archipelago, we sampled 20 rhodoliths in two depth zones (15 and 45m), while 129 rhodoliths were obtained from eight sampling sites in Abrolhos. Vagile macroinvertebrates were quantified and 0.50 ± 0.06 and 0.40 ± 0.06 individuals.ml^-1 (mean ± SE) were recorded for the euphotic and mesophotic zone of Fernando de Noronha, respectively. While we obtained a mean of 0.73 ± 0.05 ind.ml^-1 in Abrolhos. The main drivers of the diversity in the Archipelago were the diameter, depth, biomass of macroalgae and density (rhodoliths per square meter), while in Abrolhos the volume, structural complexity, depth and latitude were highlighted. These variables can directly or indirectly influence the availability of resources and, consequently, can modify the structure of beds and their associated communities. In Abrolhos, the use of three-dimensional reconstruction of rhodoliths by photogrammetry allowed the improvement of previously studied metrics and guaranteed access to new information. This tool has the potential to expand and optimize the understanding of the biodiversity associated with rhodoliths and allow access to regions that are difficult to access, such as mesophotic beds. Therefore, we believe that the scientific advances conducted by the present study should be considered in future research, mainly to assess the effectiveness and representativeness of areas intended for the conservation of biodiversity in rhodolith beds.

MEMBROS DA BANCA:
Presidente - Interno ao Programa - 096.579.927-10 - GUILHERME HENRIQUE PEREIRA FILHO - USP
Membro Titular - Examinador(a) Interno ao Programa - 1763449 - FERNANDO ZANIOLO GIBRAN
Membro Titular - Examinador(a) Externo à Instituição - KARLA COSTA GONÇALVES
Membro Titular - Examinador(a) Externo à Instituição - FABIANE GALLUCCI - UNIFESP
Membro Titular - Examinador(a) Externo à Instituição - ANA CAROLINA DE AZEVEDO MAZZUCO
Membro Suplente - Examinador(a) Interno ao Programa - 1762351 - NATALIA PIRANI GHILARDI LOPES
Membro Suplente - Examinador(a) Externo à Instituição - PAULA SPOTORNO DE OLIVEIRA - FURG
Membro Suplente - Examinador(a) Externo à Instituição - POLIANA BRASILEIRO