Effects of bioturbation by root and crab activity on iron and sulfur biogeochemistry in mangrove substrate von Ferreira, T.O., Otero, X.L., Vidal-Torrado, P., Macías, F.

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Carbon and nitrogen in degraded Brazilian semi-arid soils undergoing desertification von Sousa, F.P., Ferreira, T.O., Mendonça, E.S., Romero, R.E., Oliveira, J.G.B.

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Are mangrove forest substrates sediments or soils? A case study in southeastern Brazil von Ferreira, T.O., Vidal-Torrado, P., Otero, X.L., Macías, F.

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Pyrites in a salt marsh-ria system: Quantification, morphology, and mobilization von Otero, X.L., Guevara, P., Sánchez, M., López, I., Queiroz, H.M., Ferreira, A., Ferreira, T.O., Nóbrega, G.N., Carballo, R.

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Arsenic in rice agrosystems (water, soil and rice plants) in Guayas and Los Ríos provinces, Ecuador von Otero, X.L., Tierra, W., Atiaga, O., Guanoluisa, D., Nunes, L.M., Ferreira, T.O., Ruales, J.

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The potential of a Technosol and tropical native trees for reclamation of copper-polluted soils von Asensio, V., Flórido, F.G., Ruiz, F., Perlatti, F., Otero, X.L., Oliveira, D.P., Ferreira, T.O.

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Phosphorus in seagull colonies and the effect on the habitats. The case of yellow-legged gulls (Larus michahellis) in the Atlantic Islands National Park (Galicia-NW Spain) von Otero, X.L., Tejada, O., Martín-Pastor, M., De La Peña, S., Ferreira, T.O., Pérez-Alberti, A.

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Soil eutrophication in seabird colonies affects cell wall composition: Implications for the conservation of rare plant species von Otero, X.L., Fernández-Balado, C., Ferreira, T.O., Pérez-Alberti, A., Revilla, G.

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The effect of nutrient-rich effluents from shrimp farming on mangrove soil carbon storage and geochemistry under semi-arid climate conditions in northern Brazil von Suárez-Abelenda, M., Ferreira, T.O., Camps-Arbestain, M., Rivera-Monroy, V.H., Macías, F., Nóbrega, G. Nuto, Otero, X.L.

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Manganese diagenesis in different geochemical environments of the ria de Vigo (Galicia, NW Iberian Peninsula) von Otero, X.L., Ramírez-Pérez, A.M., Abernathy, M., Ying, S.C., Queiroz, H.M., Ferreira, T.O., Huerta-Díaz, M.A., de Blas, E.

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Trace elements in biomaterials and soils from a Yellow-legged gull (Larus michahellis) colony in the Atlantic Islands of Galicia National Park (NW Spain) von Otero, X.L., de la Peña-Lastra, S., Romero, D., Nobrega, G.N., Ferreira, T.O., Pérez-Alberti, A.

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High fragility of the soil organic C pools in mangrove forests von Otero, X.L., Méndez, A., Nóbrega, G.N., Ferreira, T.O., Santiso-Taboada, M.J., Meléndez, W., Macías, F.

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Geochemistry of iron and manganese in soils and sediments of a mangrove system, Island of Pai Matos (Cananeia — SP, Brazil) von Otero, X.L., Ferreira, T.O., Huerta-Díaz, M.A., Partiti, C.S.M., Souza, V., Vidal-Torrado, P., Macías, F.

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Weathering and clay formation in semi-arid calcareous soils from Northeastern Brazil von Oliveira, D.P., Sartor, L.R., Souza Júnior, V.S., Corrêa, M.M., Romero, R.E., Andrade, G.R.P., Ferreira, T.O.

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Trace metal pyritization variability in response to mangrove soil aerobic and anaerobic oxidation processes von Machado, W., Borrelli, N.L., Ferreira, T.O., Marques, A.G.B., Osterrieth, M., Guizan, C.

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Spatial variation in pore water geochemistry in a mangrove system (Pai Matos island, Cananeia-Brazil) von Otero, X.L., Ferreira, T.O., Vidal-Torrado, P., Macías, F.

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Archaeal diversity and the extent of iron and manganese pyritization in sediments from a tropical mangrove creek (Cardoso Island, Brazil) von Otero, X.L., Lucheta, A.R., Ferreira, T.O., Huerta-Díaz, M.A., Lambais, M.R.

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Redox Processes in Mangrove Soils under Rhizophora mangle in Relation to Different Environmental Conditions von Ferreira, T.O, Otero, X.L, Vidal-Torrado, P, Macías, F

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Partition into cliques for cubic graphs: Planar case, complexity and approximation von Cerioli, M.R., Faria, L., Ferreira, T.O., Martinhon, C.A.J., Protti, F., Reed, B.

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On minimum clique partition and maximum independent set on unit disk graphs and penny graphs: complexity and approximation von Cerioli, M.R., Faria, L., Ferreira, T.O., Protti, F.

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