2002
DOI: 10.1590/s1519-69842002000500016
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Geostatistics as a tool to improve sampling and statistical analysis in wetlands: a case sudy on dynamics of organic matter distribution in the Pantanal of Mato Grosso, Brazil

Abstract: The Pantanal of Mato Grosso presents distinct landscape units: permanently, occasionally and periodically flooded areas. In the last ones, sampling is especially difficult due to the high heterogeneity occurring inter and intrastratas. This paper presents a comparison of different methodological approaches showing that they can influence decisively the knowledge of distribution organic matter dynamics. In such an area in order to understand the role of the flood pulse in the distribution dynamics of organic ma… Show more

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Cited by 17 publications
(11 citation statements)
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“…This causes ''alternating stable states'' also found in shallow lacustrine environments (Scheffer & Jeppesen, 1998). Large proportions of organic carbon may become accumulated during the aquatic phase in the ATTZ due to mostly anoxic conditions in the sediments (Nogueira et al, 2002). In rivers, feeding on terrestrial resources and floodborne primary production by floodplain species compared to permanent river channel dwellers causes a better growth rate known as ''floodpulse advantage'' (Bayley, 1991).…”
Section: Some Definitionsmentioning
confidence: 99%
“…This causes ''alternating stable states'' also found in shallow lacustrine environments (Scheffer & Jeppesen, 1998). Large proportions of organic carbon may become accumulated during the aquatic phase in the ATTZ due to mostly anoxic conditions in the sediments (Nogueira et al, 2002). In rivers, feeding on terrestrial resources and floodborne primary production by floodplain species compared to permanent river channel dwellers causes a better growth rate known as ''floodpulse advantage'' (Bayley, 1991).…”
Section: Some Definitionsmentioning
confidence: 99%
“…(JARVIS et al, 2007); porém, à medida que as condições edafoclimáticas para a explosão de atividade microbiana diminuem, igualmente há redução significativa do processo de decomposição e mineralização da matéria orgânica do solo. Nogueira et al (2002) mostraram que mais de 90% do carbono orgânico da biomassa terrestre num campo inundável no Pantanal Mato-Grossense foi removido pela água e, ou, perdido pela mineralização da matéria orgânica durante a época de seca. Essa condição não foi observada neste trabalho, pois, considerando que o processamento do carbono em solos com caraterísticas redoxomórficas, como é o caso do solo deste estudo, é complexo e envolve uma série de reações que ocorrem em diferentes horizontes do solo ao longo do ciclo hidrológico (KAYRANLI et al, 2010).…”
Section: Figure 3 -Total Scores (A) and Mean Scores (B) Of The Factorunclassified
“…Em áreas úmidas do Pantanal ACTA AMAZONICA matogrossense, Nogueira et al (2002) (Marimon et al 2012;Morais et al 2014) e graminóide na APC (Oliveira-Filho 1992), cujos sistemas radiculares explorariam de formas diferentes a matriz do solo, alterando a disponibilidade de nutriente e outros atributos do solo. Zonta et al (2003) relatam que as plantas, em resposta a vários fatores edáficos, como por exemplo, altos teores de Al 3+ , exsudam ácidos orgânicos, bem como outras substâncias como nucleotídeos, enzimas e ácidos graxos, os quais podem contribuir para elevação dos teores de alguns nutrientes no solo.…”
Section: Acta Amazonicaunclassified