2016
DOI: 10.5380/rsa.v16i3.46879
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Contribuição Da Precipitação Interna Para O Aporte De Nutrientes Em Estágios Sucessionais Da Floresta Atlântica No Paraná

Abstract: RESUMO:Este trabalho teve como objetivo avaliar a contribuição da precipitação interna para a entrada de nutrientes minerais em diferentes estágios sucessionais da Floresta Ombrófila Densa Submontana em Antonina, PR. As coletas de precipitação interna foram realizadas a cada três semanas, por meio de coletores tipo calha, distribuídos aleatoriamente nos três estágios sucessionais. Amostras de água foram coletadas para determinação do pH e dos íons K + , Ca 2+ , Mg 2+ e Na + presentes na solução de precipitação… Show more

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Cited by 2 publications
(3 citation statements)
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“…For the chemical analysis of soil, the values were in the slightly acidic range. Thomazini et al (2015) found pH values (CaCl 2 ) between 4.6 and 4.7 in Atlantic forest areas in Brazil, and other authors also identified pH in the acidic range, showing that Atlantic forest soils are naturally acidic (Pinheiro et al 2004, Marques et al 2015. The importance of soil pH is associated with plants absorption of nutrients from the soil solution and with its significance as indicator of soil chemical conditions, as it can influence the chemical disposition of various nutrients in plant development, changing nutrient availability for the plant (Brandão and Lima 2002).…”
Section: Discussionmentioning
confidence: 91%
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“…For the chemical analysis of soil, the values were in the slightly acidic range. Thomazini et al (2015) found pH values (CaCl 2 ) between 4.6 and 4.7 in Atlantic forest areas in Brazil, and other authors also identified pH in the acidic range, showing that Atlantic forest soils are naturally acidic (Pinheiro et al 2004, Marques et al 2015. The importance of soil pH is associated with plants absorption of nutrients from the soil solution and with its significance as indicator of soil chemical conditions, as it can influence the chemical disposition of various nutrients in plant development, changing nutrient availability for the plant (Brandão and Lima 2002).…”
Section: Discussionmentioning
confidence: 91%
“…Higher concentrations of Ca 2+ and Mg 2+ compared to K + are also reported by Souza et al (2001) in the Atlantic Forest in the state of Minas Gerais, Brazil. In the soilplant system, K + is one of the most leached nutrients, not being part of any organic compound, therefore, among the main nutrients, it is the one with the biggest leaching loss (Marques et al 2015, Zanon et al 2020. Although Ca 2+ and Mg 2+ have structural functions in plant tissues, Ca 2+ is found in a higher rate in the sum of bases due to the low mobility of this nutrient, furthermore, Ca 2+ is the main element of the cell wall, including leaf, bole and roots; therefore, the fall of these parts of the species contributes to the supply and cycling of this nutrient.…”
Section: Discussionmentioning
confidence: 99%
“…Sci., Cuiabá, v.6, n.3, p.717-721, 2019 água da chuva pelas copas das árvores e pelo escorrimento da mesma pelo tronco transporta nutrientes minerais alterando também o pH da mesma e, assim, contribuindo para o enrequecimento de nutrientes do solo. O entendimento da dinâmica da floresta possibilita desenvolver um manejo adequado da mesma, permitindo inferir por exemplo, nas taxas de fertilizantes a serem utilizadas (Gonçalves et al 2004;M arques et al 2015). Neste sentido, o presente estudo objetivou avaliar os diferentes aspectos da interação da precipitação pluviométrica com um plantio jovem de Eucalyptus dunnii M aiden.…”
Section: Introductionunclassified