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Title: Long-term application of the organic and inorganic pesticides in vineyards: Environmental record of past use
Authors: Patinha, Carla
Durães, Nuno
Dias, Ana Cláudia
Pato, Pedro
Fonseca, Rita
Janeiro, Ana Isabel
Barriga, Fernando
Reis, Amélia Paula
Duarte, Armando
Silva, Eduardo
Sousa, António
Cachada, Anabela
Keywords: Copper
Douro region
Issue Date: Jan-2018
Publisher: Elsevier Lt
Citation: PATINHA, C., DURÃES, N., DIAS, A.C., PATO, P., FONSECA, R., JANEIRO, A.I., BARRIGA, F., REIS, A.P., DUARTE, A., FERREIRA DA SILVA, E., SOUSA, A.J., CACHADA, A. (2018) - Long-term application of the organic and inorganic pesticides in vineyards: Environmental record of past use. Applied Geochemistry, 88, 226-238.
Abstract: Areas such as Douro Demarcated Region (Portugal), where vineyards are frequently located on steep slopes of narrow valleys, can be particularly sensitive to runoff and erosion processes. These particular conditions are expected to enhance the transport of pollutants, acting as a potential source of contamination to freshwater systems. The intense vine cultivation in this region includes decades of pesticides application, that have resulted in the accumulation of these chemicals and its degradation products in the vineyards soils and sediments. Residues of several pesticides related to agricultural activities were found in soils, with older vineyards showing higher levels of Cu and banned insecticides (such as DDT). The metabolite 4,4-DDE was the compound found at higher levels in soils and in sediments. The relatively high levels in more recent sediments suggest that soils are still a source of contamination. Levels of currently used pesticides were low, which is related with their physicochemical properties, the application period, and climacteric conditions.
Type: article
Appears in Collections:CGE - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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