2008
DOI: 10.1016/j.aquabot.2007.10.004
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Comparison of two methods characterising the seed bank of amphibious plants in submerged sediments

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Cited by 38 publications
(35 citation statements)
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“…The fact that the diversity and density of the species found by using the direct separation method was higher compared to the germination method can be explained by three non-exclusive factors: 1) physiological, such as seed dormancy, longevity, and germination traits (Saatkamp et al 2009, Gonzalez & Ghermandi, 2012; 2) ecological, such as storage time, germination requirements and high rates of dispersal/predation (Thompson et al 2003, Daws et al 2005, Walck et al 2005, Bernhardt et al 2008, Esquivel et al 2008, Price et al 2010, Gonzalez & Ghermandi 2012; and 3) morphological, such as seed size and seed coat (De Villiers et al 1994, Facelli et al 2005, Venable 2007, Price et al 2010, Gonzalez & Ghermandi 2012. Similar results were found in a study with seed banks from natural grasslands in Patagonia by Gonzalez and Ghermandi (2012).…”
Section: Discussionmentioning
confidence: 99%
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“…The fact that the diversity and density of the species found by using the direct separation method was higher compared to the germination method can be explained by three non-exclusive factors: 1) physiological, such as seed dormancy, longevity, and germination traits (Saatkamp et al 2009, Gonzalez & Ghermandi, 2012; 2) ecological, such as storage time, germination requirements and high rates of dispersal/predation (Thompson et al 2003, Daws et al 2005, Walck et al 2005, Bernhardt et al 2008, Esquivel et al 2008, Price et al 2010, Gonzalez & Ghermandi 2012; and 3) morphological, such as seed size and seed coat (De Villiers et al 1994, Facelli et al 2005, Venable 2007, Price et al 2010, Gonzalez & Ghermandi 2012. Similar results were found in a study with seed banks from natural grasslands in Patagonia by Gonzalez and Ghermandi (2012).…”
Section: Discussionmentioning
confidence: 99%
“…Seeds are separated from the soil by washing, sieving or flotation (Malone 1967, Roberts 1981, Tsuyuzaki 1994. Depending on the method employed, differences in both density and species composition may be found, even in the same location (Tsuyuzaki 1994, Ishikawa-Goto & Tsuyuzaki 2004, Bernhardt et al 2008, Price et al 2010. Most studies that have used these two methods to compare the soil seed bank have found different results and concluded that the two methods are complementary (Price et al 2010, Gonzalez & Ghermandi 2012.…”
Section: Introductionmentioning
confidence: 99%
“…Con MG se cuentan las germinaciones exitosas, de tal forma que los resultados refl ejan la fracción del banco potencialmente activo (Bernhardt et al, 2008). El uso de este método está más generalizado porque teóricamente es menos laborioso que MSS (Kalamees y Zobel, 2002;Clarke y Dorji, 2008;Espeland, 2010).…”
Section: Discussionunclassified
“…Los métodos de germinación (MG) se basan en la emergencia de plántulas desde las muestras de suelo, las cuales se extienden sobre una capa de sustrato y se colocan en condiciones controladas para favorecer la germinación de la mayor cantidad de semillas viables (Bernhardt et al, 2008). Con estos métodos se detecta el componente ecológicamen-te activo del sedimento (Haag, 1983), incluyendo las semillas pequeñas.…”
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