Banca de DEFESA: ANDRÉ VINÍCIUS CRISPINIANO DE OLIVEIRA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : ANDRÉ VINÍCIUS CRISPINIANO DE OLIVEIRA
DATE: 28/02/2025
TIME: 09:00
LOCAL: Sala de Salinidade do Solo
TITLE:

Heavy Metals in Soils of Brazilian Biomes Monitored by the Biodiversity Research Program - PPBio

KEY WORDS:

Environment. Contamination. Bibliometrics. RAPELD.

PAGES: 91
BIG AREA: Ciências Agrárias
AREA: Agronomia
SUBÁREA: Ciência do Solo
SPECIALTY: Química do Solo
SUMMARY:

Heavy metals can pose risks to micro and macrofauna due to their toxicity and potential for bioaccumulation, entering the trophic chain and harming human health. Their presence can be natural, resulting from rock weathering, or derived from anthropogenic activities. With the growing global concern regarding the use and conservation of natural resources, the Ministry of Science, Technology, and Innovation established the Biodiversity Research Program (PPBIO) in 2004 to meet the goals of the Convention on Biological Diversity, becoming an important initiative for biodiversity monitoring in Brazil. This study was divided into two sections: the first being a bibliometric review of heavy metals in the six Brazilian biomes, the second being the evaluation and comparison of total and environmentally available heavy metal contents in the soils of the Atlantic Forest and Caatinga biomes, and finally, the determination of heavy metal concentrations in the Dois Irmãos State Park (PEDI) in Pernambuco. The second and third sections considered sites monitored by PPBIO, including areas with native vegetation and anthropogenic influence. The bibliographic study analyzed 400 studies from different databases, covering research published between 1950 and 2024. The Amazon, Atlantic Forest, and Cerrado biomes stood out as the most represented, with 176, 104, and 83 studies, respectively. The most frequently studied metals were zinc (220 studies), copper (208 studies), and manganese (178 mentions), as they are considered essential micronutrients for plant growth. The second section addresses the heavy metal content found in the soils of the Dois Irmãos State Park (PEDI). Initially, chemical and physical analyses were conducted to characterize the soil. Subsequently, total heavy metal values were quantified using the S1 TITAN model 800 device. The environmentally available metal content was analyzed using the EPA 3051A method, assessing Cd, Cr, Cu, Mn, Ni, Pb, and Zn. Regarding chemical and physical properties, PEDI soils exhibited low pH values and low base concentrations. In terms of granulometry, the soils in the region were classified as sandy. The total content readings indicated that the device had limitations at low concentrations, making its readings for metals unreliable due to high standard deviation values. For the identified environmentally available metals, the average values were: 0.015, 10.37, 1.77, 8.33, 0.66, 5.01, and 4.72 for Cd, Cr, Cu, Mn, Ni, Pb, and Zn, respectively. Additionally, significant differences were observed among different stages of forest succession. When comparing the values found in PEDI to soil quality reference values, the study area presented lower levels, which were associated with soil management and the region’s conservation.

COMMITTEE MEMBERS:
Presidente - CAROLINE MIRANDA BIONDI
Externa ao Programa - 2288458 - ANA CAROLINA BORGES LINS E SILVA - UFRPEExterna à Instituição - ADRIANA ALVES BATISTA DE SOUZA - UFRPE
Externa à Instituição - CLARISSA BUARQUE VIEIRA - UFRPE