Genesis, Characterization, and Classification of Mangrove Soils in the Subaé River Basin, Bahia, Brazil

Bomfim, Marcela Rebouças; Santos, Jorge Antônio Gonzaga; Costa, Oldair Vinhas; Otero, Xosé Luís; Boas, Geraldo da Silva Vilas; Capelão, Valdinei da Silva; Santos, Edson de Souza dos; Nacif, Paulo Gabriel Soledade

doi:10.1590/01000683rbcs20140555

Cited by 21 publications

(11 citation statements)

References 10 publications

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“…Dentre as diferentes características que o solo apresentou, foi possível definir o perfil PD07, como neofluvissólico, devido ao solo apresentar caráter flúvico dentro de 100 cm a partir da superfície do solo conforme tabela 1. Bomfim et al (2015), relataram a presença de GLEISSOLO TIOMÓRFICO Órtico sódico neofluvissólico, em solos de mangue na Bacia do Rio Subaé -BA, com características químicas, físicas e morfológicas distintas, sobre as influencias marinhas e fluviais. São solos mal drenados devido a ação das marés, que favorecem o encharcamento dos solos, afetando os processos de remoção, translocação e transformação dos compostos de Fe, resultando em cores azuladas e esverdeadas, com vermelho ou manchas amareladas nos horizontes e camadas.…”

Section: Horiz a Grossa A Fina Silte Argila Silte/argila ------------unclassified

Classificação dos solos da Planície do Delta do Parnaíba, PI (Soil classification of the Parnaíba Delta Plain, PI (1))

Cabral

Valladares

Pereira

et al. 2019

Rev. Bras. Geog. Fis.

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A diversidade natural dos solos reflete na paisagem a sua própria evolução, sendo estes resultados das interações entre os fatores de formação: material de origem, relevo, clima, organismos e tempo. Tais fatores, adjuntos aos processos pedogenéticos na evolução dos solos, definirão suas propriedades físicas e químicas, fundamentais para a caracterização dos solos. Nesse sentido, este estudo tem com o objetivo geral caracterizar e classificar os tipos de solos da planície do Delta do Parnaíba, localizada na região do Norte Piauiense, tendo como limite natural os rios Parnaíba e Igaraçu e o oceano Atlântico. Para a identificação e caracterização dos perfis de solos, foram realizadas atividades de campo, a fim de descrever e coletar os solos mais representativos na área de estudo. Foram descritos e coletados quinze perfis de solo por meio de trincheiras e tradagens, com extensões profundamente suficientes para avaliação das características morfológicas. Os critérios e procedimentos metodológicos seguiram a padronização adotada no Brasil. As análises físicas e químicas foram realizadas no Laboratório de Gênese e Classificação dos Solos da Universidade Federal Rural do Rio de Janeiro. Através dos resultados analisados foi possível classificar os solos de acordo com os níveis categóricos do Sistema Brasileiro de Classificação dos solos. As principais ordens de solos encontradas na área de estudo foram os Neossolos, Planossolos, Gleissolos, Espodossolos, Cambissolos e os Vertissolos. Novas classificações foram sugeridas, devido a características significativas encontradas nos perfis de solos que não se enquadrarem no Sistema Brasileiro de Classificação de Solos. A B S T R A C TThe natural diversity of the soils reflects in the landscape its own evolution, being these results of the interactions between the factors of formation: material of origin, relief, climate, organisms and time. These factors, coupled with pedogenetic processes in soil evolution, will define their physical and chemical properties, fundamental for soil characterization. In this sense, this study has the general objective of characterizing and classifying the soil types of the Parnaíba Delta plains, located in the North Piauiense region, with the Parnaíba and Igaraçu rivers and the Atlantic Ocean as their natural limit. For the identification and characterization of soil profiles, field activities were carried out in order to describe and collect the most representative soils in the study area. Fifteen soil profiles were described and collected through trenches and traditions, with extensions deep enough to evaluate the morphological characteristics. The criteria and methodological procedures followed the standardization adopted in Brazil. Physical and chemical analyzes were performed at the Genesis and Soil Classification Laboratory of the Federal Rural University of Rio de Janeiro. Through the analyzed results it was possible to classify the soils according to the categorical levels of the Brazilian Soil Classification System. The main orders of soils found in the study area were the Neosols, Planosols, Gleysols, Spodosols, Cambisols and Vertisols. New classifications were suggested, due to significant characteristics found in soil profiles that do not fit into the Brazilian Soil Classification System.Keywords: Soil classification; Parnaíba Delta: pedogenetic processes.

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Section: Horiz a Grossa A Fina Silte Argila Silte/argila ------------unclassified

Classificação dos solos da Planície do Delta do Parnaíba, PI (Soil classification of the Parnaíba Delta Plain, PI (1))

Cabral

Valladares

Pereira

et al. 2019

Rev. Bras. Geog. Fis.

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“…There exist a significant interaction among highland, estuary (physiographic basin), ocean and atmosphere, as a result of local influence and environment specific factors such as climate, relief, and organisms altered formation processes. The sediments deposited in the fluvio-marine plains of calmer regions, over time transform into soils through pedogenetic process [3,11].…”

Section: The Mangrove Soilsmentioning

confidence: 99%

“…12.727/2012 of the Forest Code [42] classifies the mangrove forests as Areas of Permanent Preservation. In general, the destruction of these forests is linked to anthropic interests, activities and needs such as industrial demand, population growth, or poor coastal management, which reflect the alteration, degradation and loss of the natural habitat of several species [43].…”

Section: Impact Of Anthropogenic Activities On Mangrovementioning

confidence: 99%

“…fish, crabs, oysters), which are consumed and marketed by the riverine population. In Brazil and in the world, the effect of metals has been reported on soils, plant species and animals of mangroves [11,41,47]. Oil spill can cause lethal impacts to plants by preventing transport of oxygen [48].…”

Section: Impact Of Anthropogenic Activities On Mangrovementioning

confidence: 99%

“…Negative effects of the presence of toxic elements from industrial activities in mangroves have been reported [11], due to galena processing activities in the municipality of Santo Amaro-Bahia. The mining-metallurgical complex installed in 1960, 2.5 km Northwest of the city for the production of lead alloys (Pb), in addition to atmospheric contamination, left a liability of around 500 thousand tons of slag (21% Cd and up to 3% of Pb) that resulted in the contamination of the Subaé River and its estuary due to overflow of the tailings pond.…”

Section: Study Of Case: Mangrove Soil Contamination From Lead Processing Industrymentioning

confidence: 99%

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Morphology, Physical and Chemical Characteristics of Mangrove Soil under Riverine and Marine Influence: A Case Study on Subaé River Basin, Bahia, Brazil

Bomfim¹,

Santos²,

Costa³

et al. 2018

Mangrove Ecosystem Ecology and Function

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The preservation of mangrove ecosystem requires knowledge on soil Morphology, Physical and Chemical Characteristics, for understanding the requirements for their sustainability and preservation. Seven pedons of mangrove soil, five under fluvial and two under marine influence, located in the Subaé River basin were described and classified.Samples of horizons were collected for physical and chemical analyses, including Pb and Cd. The moist soils were suboxidic, with Eh below 350 mV. The pH of the pedons under fluvial influence ranged from moderately acid to alkaline, and pedons under marine influence was around 7.0. Mangrove soils under fluvial influence were characterized with the highest Pb and Cd concentrations in the pedons, which could be perhaps due to it closeness to the mining company Plumbum, while the lowest Pb concentrations was registered in the pedon furthest from the factory. Because the pedons had at least one metal above the reference level they were considered potentially toxic. The soils were classified as Gleissolos Tiomórficos Órticos (sálicos) sódico neofluvissólico, according to the Brazilian Soil Classification System and as Thiomorphic orthic Gleysol (salic) sodicluvissol (potentially toxic, very poorly drained) according with FAO. The pedon under marine influence was classified in the same subgroup, but the metal concentrations met the acceptable standard.

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Global Remediation Industry and Trends

Prasad

Alves

Nunes

2021

Handbook of Assisted and Amendment: Enhanced Sustainable Remediation Technology

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Genesis, Characterization, and Classification of Mangrove Soils in the Subaé River Basin, Bahia, Brazil

Cited by 21 publications

References 10 publications

Classificação dos solos da Planície do Delta do Parnaíba, PI (Soil classification of the Parnaíba Delta Plain, PI (1))

Classificação dos solos da Planície do Delta do Parnaíba, PI (Soil classification of the Parnaíba Delta Plain, PI (1))

Morphology, Physical and Chemical Characteristics of Mangrove Soil under Riverine and Marine Influence: A Case Study on Subaé River Basin, Bahia, Brazil

Global Remediation Industry and Trends

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