Different flowering phenology of alien invasive species in Spain: evidence for the use of an empty temporal niche?

Godoy, Óscar; Castro‐Díez, Pilar; Valladares, Fernando; Costa-Tenorio, M.

doi:10.1111/j.1438-8677.2008.00185.x

Cited by 82 publications

(70 citation statements)

References 52 publications

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“…For example, French A. artemisiifolia populations are genetically highly diverse due to repeated introduction events from North America (Genton et al 2005b). Furthermore, some authors argue that flowering phenology of alien species is a genetically determined trait that is modified very little when a species is invading a new region (Godoy et al 2009), which contradicts the assumption of an adaptive response in floral development after introduction.…”

Section: Phenotypic Variation Of Early and Late Growthmentioning

confidence: 99%

Phenotypic variation of 38 European Ambrosia artemisiifolia populations measured in a common garden experiment

Leiblein-Wild

Tackenberg

2014

Biol Invasions

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The knowledge of phenotypic variation in the European range of the highly allergenic Ambrosia artemisiifolia L. (common ragweed) is not entirely complete, even though it is an invasive species of utmost concern. We hypothesized the prevalence of phenotypic differentiations between common ragweed populations in the introduced range, and we assumed that those differentiations were related to environmental conditions at the points of origin. Using a common garden experiment, we investigated biomass allocation, growth rates, and flowering phenology of 38 European common ragweed populations originating from a major geographical gradient. We observed considerable phenotypic variation in growth parameters and flowering phenology, e.g. mean aboveground biomass varied from 23.3 to 47.3 g between the populations. We were able to relate most measured traits with environmental parameters prevailing at the points of origin. For example, early growth of ruderal populations was highly correlated with temperature and precipitation at the point of origin. Late growth and flowering phenology were highly correlated with latitude, i.e. individuals from northern populations grew smaller and flowered and dispersed their pollen and seeds up to 5 weeks earlier than individuals from southern populations. We also found a longitudinal gradient in flowering phenology which has not yet been described. The existence of such a high variability in the introduced range may facilitate further range expansion. We suggest that the correlation with environmental variables rests upon genetic variation possibly due to adaptations to the respective environment. To clarify if such adaptation results from multiple events of introduction or as evolutionary response after introduction, genetic investigations are needed.

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Section: Phenotypic Variation Of Early and Late Growthmentioning

confidence: 99%

Phenotypic variation of 38 European Ambrosia artemisiifolia populations measured in a common garden experiment

Leiblein-Wild

Tackenberg

2014

Biol Invasions

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“…As climate variations affect the phenology of native plant species, they also directly affect the success of introduced species (Castro-Díez et al 2003;Godoy et al 2009aGodoy et al , 2009bWalther et al 2009). Such evaluation is unquestionably important, although little attention has been paid to the phenological response of invasive species under specific macro-and microclimatic conditions.…”

Section: Introductionmentioning

confidence: 99%

“…Particularly relevant is the evaluation of the flowering phenology of invasive plant species, due to its crucial importance in determining plant reproductive success and invasion success (Godoy et al 2009a(Godoy et al , 2009bGibson et al 2011). For instance, one important trait linked with invasive success is an appropriate flowering phenology (i.e.…”

Section: Introductionmentioning

confidence: 99%

“…These reproductive traits are crucially important to the establishment and spread of invasive plant species (Godoy et al 2009a;Gibson et al 2011), and are subject to selective pressures of resource availability and climatic conditions (Elzinga et al 2007). On the basis of the above information, we expected a delay in the timing of phenophases under mesic conditions.…”

Section: Introductionmentioning

confidence: 99%

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Do climatic and habitat conditions affect the reproductive success of an invasive tree species? An assessment of the phenology of Acacia longifolia in Portugal

et al. 2014

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Plant phenological events are some of the most sensitive indicators of how plant species respond to favourable or stressful conditions. The evaluation of the flowering phenology of invasive plant species is particularly relevant, mainly due to its crucial importance in determining plant reproductive success and the outcome of invasion. We studied the phenology of Acacia longifolia, an aggressive, invasive plant species in the Mediterranean basin. We measured its vegetative growth and reproductive traits, specifically flowering phenophases and fruit production, under different climatic conditions (mesic and xeric Mediterranean climates), and in two different habitats (pine forest and open area). All the measured phenological phases began earlier at the xeric site than at the mesic site; this was particularly evident when comparing reproductive phenophases. Flowering dates were significantly associated with air temperature, with early peak flowering dates linked to increases in air temperature. The number of fruiting flowers per inflorescence in A. longifolia trees was higher at the mesic site, mainly in the pine forest plot, and the number of aborted fruits was notably lower than in the xeric plots. The presence of a pine forest at the mesic site strongly influenced the flowering phenology of A. longifolia and resulted in the highest reproductive success and the lowest branch growth rate. Our results demonstrate that a combination of climate and forest structure can cause pronounced differences in phenology and reproductive success of A. longifolia. These data can help to understand the variations in invasive rates of A. longifolia across the Mediterranean basin.

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“…Additionally, a limited number of studies have paid attention to the difference in flowering phenology between native and introduced populations. A comparison between populations from native and introduced ranges for many invasive species detects non-significant changes in the initiation and length of the flowering period (Godoy et al 2009). However, advanced flowering or prolonged duration of anthesis has been found in the introduced populations of other species, compared with their native populations (Hanley 2012;Sobrinho et al 2013), while the opposite pattern can also be observed in Lythrum salicaria L. (Bastlová and Květ 2002), which indicates a delayed flowering phenology for its introduced populations.…”

Section: Introductionmentioning

confidence: 99%

Invasion of Spartina alterniflora in China is greatly facilitated by increased growth and clonality: a comparative study of native and introduced populations

et al. 2014

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Different mechanisms have been proposed to explain invasion success of alien species, among which genetic differentiation and phenotypic plasticity are extensively studied. In order to explore whether the invasion of Spartina alterniflora is facilitated by enhanced phenotypes or trait plasticity, we conducted a common garden experiment on this clonal invasive plant, in which three native populations (from the US) and eight introduced populations (from China) were included and grown at two water levels. We measured their plant traits related to growth, reproductive phenology, reproductive output, and their plasticity in response to water availability. No difference in plant height was observed between native and introduced populations of S. alterniflora, but introduced populations had greater total biomass than the native ones at high water level. Reproductive performances facilitating invasion success were also found for introduced populations, indicated by the advanced initiation of phenological events, greater total number of ramets, and more investment of total biomass in rhizomes versus stalk and leaf in both water treatments. Finally, a non-significant difference in inflorescence biomass for flowering individuals and phenotypic plasticity of most measured traits was observed between native and introduced populations. In conclusion, enhanced growth and asexual reproduction make greater contributions to the invasion success of S. alterniflora in China.

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Different flowering phenology of alien invasive species in Spain: evidence for the use of an empty temporal niche?

Cited by 82 publications

References 52 publications

Phenotypic variation of 38 European Ambrosia artemisiifolia populations measured in a common garden experiment

Phenotypic variation of 38 European Ambrosia artemisiifolia populations measured in a common garden experiment

Do climatic and habitat conditions affect the reproductive success of an invasive tree species? An assessment of the phenology of Acacia longifolia in Portugal

Invasion of Spartina alterniflora in China is greatly facilitated by increased growth and clonality: a comparative study of native and introduced populations

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