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All publications of “Marcelo Metri Corrêa”

20 results

Genesis and Classification of Nitisols from Volcano-Sedimentary Lithology in Northeastern Brazil

Edivan Uchôa Cavalcanti da Costa, Jane Kelly Silva Araujo, Laércio Vieira de Melo Wanderley Neves, José Coelho de Araújo Filho, Juliet Emília Santos de Sousa, Marcelo Metri Corrêa, [...]


ABSTRACT On the southern coast of Pernambuco State (PE), Brazil, lithotypes of the Cabo Basin (volcanic and sedimentary rocks), in association with the relief, allow the determination of the dynamics of the formation of Nitossolos Háplicos (Nitisols), including those with high levels of exchangeable aluminum. The objective of this study was to evaluate the influence of lithological diversity (basalt and sedimentary siliciclastic rocks) on the morphological, physical, chemical, and mineralogical properties of Nitossolos Háplicos along a slope (P1-summit, P2-backslope, P3-footslope) […]

Pedogenesis in an Archaeological Dark Earth – Mulatto Earth Catena over Volcanic Rocks in Western Amazonia, Brazil

Luís Antônio Coutrim dos Santos, Jane Kelly Silva Araujo, Valdomiro Severino de Souza Júnior, Milton César Costa Campos, Marcelo Metri Corrêa, Regilene Angélica da Silva Souza


ABSTRACT Archaeological Dark Earth (ADE) pedogenesis and pre-Columbian history are fundamental for understanding the biodiversity and pedodiversity of the Neotropical rainforest in the Amazon region. This study aimed to evaluate the morphological, physical, chemical, and mineralogical properties as well as NaOH-extractable organic matter [OM(NaOH)] in ADE and Mulatto Earth (ME) overlying volcanic rocks along a toposequence (four soil profiles) in western Amazonia, Brazil. The soil profiles show anthropic A horizons over an argic horizon (Bt) in the ADE (Humic, Pretic […]

Weathering of Rhyolites and Soil Formation in an Atlantic Forest Fragment in Northeastern Brazil

Stephany Alves Brilhante, Jean Cheyson Barros dos Santos, Valdomiro Severino de Souza, Jane Kelly Silva Araújo, Mateus Rosas Ribeiro, Marcelo Metri Corrêa


ABSTRACT Weathering and pedogenesis have been studied for a wide range of rocks and climates around the world. However, the eruption of rhyolitic magmas is a rare geological event, which leads to few studies associated with the rhyolite-soil-landscape relationship. In this context, this study evaluated the influence of rhyolite weathering on the properties of soils along a slope in an Atlantic Forest environment in the state of Pernambuco, northeastern Brazil. Four weathering profiles derived from rhyolites were classified and sampled […]

Pedogenic Iron Oxides in Iron-Rich Oxisols Developed from Mafic Rocks

Danilo de Lima Camêlo, João Carlos Ker, Maurício Paulo Ferreira Fontes, Marcelo Metri Corrêa, Antonio Carlos Saraiva da Costa, Vander Freitas Melo


ABSTRACT Despite the considerable amount of information on the mineralogical characteristics of pedogenic Fe oxides in Brazilian soils, there are few studies on Fe-rich soils developed from mafic rocks with taxonomic identities at lower categorical levels. This study evaluated the mineralogical characteristics of pedogenic Fe oxides in B horizons (Bw) of Fe-rich Oxisols developed from several mafic rocks in the state of Minas Gerais, Brazil. The Bw horizons were sampled at a 0.8-1.0 m depth in 13 Ferric and Perferric […]

Physical, Macro- and Micromorphological Properties of Regosols in the Agreste Meridional Region of Pernambuco, Brazil

Alison Van Der Linden de Almeida, Marcelo Metri Corrêa, José Romualdo de Sousa Lima, Eduardo Soares de Souza, Kleber Régis Santoro, Antonio Celso Dantas Antonino


ABSTRACT Regosols in the Agreste Meridional region of Pernambuco, Brazil, are used for various agricultural activities, and prominent among them is production of common bean. An expressive variation is perceived in common bean crop yield, possibly associated with the presence of lamellae, which make for distinct water fluxes among these soils. The objective was to analyze the macro- and micromorphological, and physical characteristics of the Regosols located in the Agreste Meridional region of Pernambuco to understand the water fluxes in […]


Danilo de Lima Camêlo, João Carlos Ker, Roberto Ferreira Novais, Marcelo Metri Corrêa, Vinício Coelho de Lima


In general, Latosols have low levels of available P, however, the influence of the parent material seems to be decisive in defining the pool and predominant form of P in these soils. This study evaluated P availability by extraction with Mehlich-1 (M-1) and Ion Exchange Resin (IER), from samples of B horizons of Ferric and Perferric Latosols developed from different parent materials. To this end, in addition to the physical and chemical characterization of soils, 10 sequential extractions were performed […]


Marcelo Metri Corrêa, João Carlos Ker, José Coelho de Araújo, Danilo de Lima Camêlo


In the geomorphological unit of the Coastal Tablelands of Brazil there is a predominance of cohesive soil horizons and some with the presence of cemented horizons, commonly of the fragipan type. These horizons interfere with water dynamics, root growth, and, consequently, mineral nutrition of plants. The objective of this study was to use selective dissolution to evaluate the participation of forms of Fe, Si, or Al, or their combination, in the cohesion or cementation or both of fragipans and cohesive […]

Humic Haplustox under different land uses in a high altitude environment in the Agreste region of Pernambuco, Brazil

Jane Kelly Silva Araujo, Mateus Rosas Ribeiro, Marcelo Metri Corrêa, Izabel Cristina de Luna Galindo, Valdomiro Severino de Souza Júnior


The Garanhuns Plateau in the Agreste region of the State of Pernambuco, Brazil is characterized by humid climatic conditions due to orographic rains, unlike the surrounding semiarid region. These soils are subjected to intense agricultural use and are extremely important for the regional economy. This study was carried out in the municipality of Brejão in the Agreste region with the aim of assessing changes in humic Haplustox soils subjected to different land uses. Four plots with different vegetation covers (native […]

Characterization of regosols in the semiarid region of Pernambuco, Brazil

Jean Cheyson Barros dos Santos, Valdomiro Severino de Souza Júnior, Marcelo Metri Corrêa, Mateus Rosas Ribeiro, Maria da Conceição de Almeida, Lucila Ester Prado Borges


Studies on soil characterization in unexplored regions, besides the generation of data banks for the soil classes of the country, also produce scientific information about soil properties, important for the development of good management practices and sustainable land use. One of the main soil classes in the semiarid region of Pernambuco State, the Regosols, cover about 27 % of the state area, and are used mainly for family agriculture. Due to different geological and climatic aspects Regosols with different chemical, physical […]

Fractions of organic carbon in a humic oxisol under different uses in the agreste region of brazil

Priscila Maria de Aquino Pessoa, Gustavo Pereira Duda, Raquel Bezerra de Barros, Maria Betânia Galvão dos Santos Freire, Clístenes Willians Araújo do Nascimento, Marcelo Metri Correa


The conversion of natural vegetation to cultivated land often results in changes in the quantity and quality of soil organic matter. The magnitude of these alterations varies according to the soil properties, climate, crops and soil management. Soil organic C is not always a sensitive indicator of soil changes. The distribution of C fractions is therefore being used to assess the soil organic matter quality more precisely. This study evaluated the changes in organic C fractions of a Humic Oxisol […]

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