Geographic variation in growth responses in Phragmites australis

Clevering, O.A.; Brix, Hans; Lukavská, Jaroslava

doi:10.1016/s0304-3770(01)00132-2

Cited by 93 publications

(99 citation statements)

References 26 publications

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“…In a preceding study Clevering et al (2001) found genetically determined differences in the growth dynamics of P. australis that originated from different European wetlands, and they concluded that the populations were climatic clines adapted to the local environmental conditions rather than ecotypes. When transplanted and grown in environments with significantly different climates in terms of temperature regime and daylength, populations originating from extreme climates were not able to make an optimal use of the growing season.…”

Section: Discussionmentioning

confidence: 99%

“…The Spanish growth site had the highest summer temperature. The differences in spring temperatures at the growth sites were reflected in the growth patterns of the P. australis populations which started to grow about 2 weeks earlier in Spain than in The Netherlands (unpublished data), 4 weeks earlier than in Denmark, and 8 weeks earlier than in Czech republic (Clevering et al, 2001). …”

Section: Climate At the Growth Sitesmentioning

confidence: 98%

“…Sampling was done in two transects of 500 m lengths with intervals of 50 m; one along the open water and one along the succeeding land-ward side of the reed belt. The sampling scheme was designed for studies on population differences (Clevering, 1999;Clevering et al, 2001). Rhizomes were sprouted in a heated greenhouse at The Netherlands Institute of Ecology (Heteren, The Netherlands) and thereafter a single rhizome from each sampling site was planted in a mixture of unsorted river sand and peat in a 65 l (60 cm diameter, 30 cm height) container in an experimental garden.…”

Section: Plant Materials and Experimental Set-upmentioning

confidence: 99%

“…block design with the six clones per population used as replicates. Data on morphological differences and growth characteristics of the clones during the 1998 growing season are presented by Clevering et al (2001).…”

Section: Plant Materials and Experimental Set-upmentioning

confidence: 99%

“…Clevering et al (2001) recently found genetically determined differences in the length of the growing season, the time of flowering and the biomass allocation of P. australis occurring along a latitudinal gradient in Europe, and they concluded that the populations were climatic clines (i.e. with gradually changing traits) rather than distinct climatic ecotypes.…”

Section: Introductionmentioning

confidence: 99%

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Effect of climatic gradients on the photosynthetic responses of four Phragmites australis populations

et al. 2001

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Section: Discussionmentioning

confidence: 99%

Section: Climate At the Growth Sitesmentioning

confidence: 98%

Section: Plant Materials and Experimental Set-upmentioning

confidence: 99%

Section: Plant Materials and Experimental Set-upmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of climatic gradients on the photosynthetic responses of four Phragmites australis populations

et al. 2001

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Expression of major photosynthetic and salt‐resistance genes in invasive reed lineages grown under elevated CO₂ and temperature

Eller

Lambertini

Nielsen

et al. 2014

Ecology and Evolution

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It is important to investigate the molecular causes of the variation in ecologically important traits to fully understand phenotypic responses to climate change. In the Mississippi River Delta, two distinct, sympatric invasive lineages of common reed (Phragmites australis) are known to differ in several ecophysiological characteristics and are expected to become more salt resistant due to increasing atmospheric CO2 and temperature. We investigated whether different patterns of gene expression can explain their ecophysiological differences and increased vigor under future climatic conditions. We compared the transcript abundance of photosynthetic genes of the Calvin cycle (Rubisco small subunit, RbcS; Phosphoglycerate kinase, PGK; Phosphoribulokinase, PRK), genes related with salt transport (Na+/H+ antiporter, PhaNHA) and oxidative stress response genes (Manganese Superoxide dismutase, MnSOD; Glutathione peroxidase, GPX), and the total aboveground biomass production between two genotypes representing the two lineages. The two genotypes (Delta-type, Mediterranean lineage, and EU-type, Eurasian lineage) were grown under an ambient and a future climate scenario with simultaneously elevated CO2 and temperature, and under two different soil salinities (0‰ or 20‰). We found neither differences in the aboveground biomass production nor the transcript abundances of the two genotypes, but soil salinity significantly affected all the investigated parameters, often interacting with the climatic conditions. At 20‰ salinity, most genes were higher expressed in the future than in the ambient climatic conditions. Higher transcription of the genes suggests higher abundance of the protein they code for, and consequently increased photosynthate production, improved stress responses, and salt exclusion. Therefore, the higher expression of these genes most likely contributed to the significantly ameliorated salinity impact on the aboveground biomass production of both P. australis genotypes under elevated temperature and CO2. Although transcript abundances did not explain differences between the lineages, they correlated with the increased vigor of both lineages under anticipated future climatic conditions.

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Does introduced European Phragmites australis experience belowground microbial enemy release in North America?

Lee,

Chapman,

Mozdzer

et al. 2024

Ecosphere

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Escape from native range enemies can give invasive species a competitive edge according to the enemy‐release hypothesis. While more commonly associated with predators and herbivores, release from belowground microbial antagonists has been recently demonstrated to benefit invasive plants. Biogeographic variation in dominance and comparisons of soil communities suggest that invasive European Phragmites australis may have also benefitted from belowground enemy release in North America (NA). Here we examine the effects of native range (Europe) versus introduced range (NA) soil communities on European and North American P. australis using a reciprocal inoculation seedling growth experiment. Contrary to the enemy‐release hypothesis, we found that North American P. australis was sensitive to soil community origin in that the seedlings grown in European soil communities had higher total biomass than seedlings grown in North American soil communities. This pattern was not observed in the European P. australis seedlings which had similar biomass when grown with North American or European soil communities. Notably, North American P. australis had higher biomass than European P. australis regardless of which soil community it was grown in, suggesting a growth–defense tradeoff. Though the relative abundance of mutualists and pathogens composition did not differ between the two ranges, an indicator analysis revealed that mutualistic fungi and bacteria were key components of European soil communities but not in North American communities. Interestingly, North American soil communities had lower β diversity than European communities suggesting higher levels of community conservation among North American populations. This research represents the first evidence of growth–defense trade‐offs in North American P. australis and offers a novel mechanism in understanding the invasion of P. australis in NA.

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Geographic variation in growth responses in Phragmites australis

Cited by 93 publications

References 26 publications

Effect of climatic gradients on the photosynthetic responses of four Phragmites australis populations

Effect of climatic gradients on the photosynthetic responses of four Phragmites australis populations

Expression of major photosynthetic and salt‐resistance genes in invasive reed lineages grown under elevated CO₂ and temperature

Does introduced European Phragmites australis experience belowground microbial enemy release in North America?

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Geographic variation in growth responses in Phragmites australis

Cited by 93 publications

References 26 publications

Effect of climatic gradients on the photosynthetic responses of four Phragmites australis populations

Effect of climatic gradients on the photosynthetic responses of four Phragmites australis populations

Expression of major photosynthetic and salt‐resistance genes in invasive reed lineages grown under elevated CO2 and temperature

Does introduced European Phragmites australis experience belowground microbial enemy release in North America?

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Expression of major photosynthetic and salt‐resistance genes in invasive reed lineages grown under elevated CO₂ and temperature