2011
DOI: 10.1007/s11258-011-9960-9
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Differential population response of allocation, phenology, and tissue chemistry in Spartina alterniflora

Abstract: Phenotypic variation within species is widespread among salt marsh plants. For Spartina alterniflora, the dominant species of low intertidal wetlands across the Altantic and Gulf coasts of the US, distinct phenological and morphological differences among populations from different latitudes have been found. To determine whether S. alterniflora plants from lower latitudes and those regenerated from Delaware tissue cultures would maintain differences from that of native plants, we conducted a field study in a na… Show more

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Cited by 11 publications
(13 citation statements)
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“…Many of the studied plant traits had PI v values higher than 50% in the field, and the mean PI v for every trait was 54 ± 4%, within the range recorded for other invasive plant species (Funk, ) and native species along wide latitudinal ranges (Chun‐Can et al., ; Molina‐Montenegro & Naya, ; Zhao et al., ). Our results are also consistent with previous studies on other polyploid Spartina species (Castillo, Redondo, Wharmby, Luque, & Figueroa, ; Elsey‐Quirk et al., ; Thompson et al., ; Trnka & Zedler, ). S. densiflora is a heptaploid species of hybrid origin (Fortune et al., ), which most likely has played a key role in high phenotypic variability observed.…”
Section: Discussionsupporting
confidence: 93%
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“…Many of the studied plant traits had PI v values higher than 50% in the field, and the mean PI v for every trait was 54 ± 4%, within the range recorded for other invasive plant species (Funk, ) and native species along wide latitudinal ranges (Chun‐Can et al., ; Molina‐Montenegro & Naya, ; Zhao et al., ). Our results are also consistent with previous studies on other polyploid Spartina species (Castillo, Redondo, Wharmby, Luque, & Figueroa, ; Elsey‐Quirk et al., ; Thompson et al., ; Trnka & Zedler, ). S. densiflora is a heptaploid species of hybrid origin (Fortune et al., ), which most likely has played a key role in high phenotypic variability observed.…”
Section: Discussionsupporting
confidence: 93%
“…Spartina species (Castillo, Redondo, Wharmby, Luque, & Figueroa, 2005;Elsey-Quirk et al, 2011;Thompson et al, 1991;Trnka & Zedler, 2000). S. densiflora is a heptaploid species of hybrid origin (Fortune et al, 2008), which most likely has played a key role in F I G U R E 2 Mantel test for similarity between (a) genetic and geographic distances (p = .030), (b) phenotypic and geographic distances (p = .010), and (c) phenotypic and genetic distances (p = .403) for 50 individuals from five populations of Spartina densiflora recorded in the field along the Pacific coast of North America (n = 50) high phenotypic variability observed.…”
Section: Discussionmentioning
confidence: 99%
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“…Plants from high latitudes are smaller, and biomass correlates positively with mean annual temperature, growing degree days (Kirwan, Guntenspergen & Morris 2009) and tidal amplitude (Turner 1976). Different populations across the geographic range vary in stem height and diameter, leaf size, flowering time, palatability to herbivores and other traits, and many of these differences appear to be genetically based because they persist in common-garden experiments (Seneca 1974;Somers & Grant 1981;Seliskar et al 2002;Salgado & Pennings 2005; Elsey-Quirk, Seliskar & Gallagher 2011). Genetic analyses show considerable genetic structure in S. alterniflora across the native range (Blum et al 2007;Hughes 2014), consistent with local adaptation.…”
Section: Introductionmentioning
confidence: 96%