Spatial and temporal variation in dispersal pattern of an invasive pine

Münzbergová, Zuzana; Hadincová, Věra; Wild, Jan; Herben, Tomáš; Marešová, Jana

doi:10.1007/s10530-009-9656-4

Cited by 17 publications

(10 citation statements)

References 70 publications

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“…[61] and Münzbergová et al . [62] showed from different sandstone areas of the Czech Republic that P. strobus is able to spread very effectively. They estimated that P. strobus can disperse up to 750 m away from the parental source in different localities.…”

Section: Discussionmentioning

confidence: 99%

“…Wind-dispersed seeds released from the upper canopy can travel several hundreds meters from the source tree, with the maximum recorded distance of a self-sown tree from the potential seed source found to be 757 m. However, the observed median distance for 50% of self-sown trees was only 52 m and only 1% of self-sown trees reached 502 m [62]. Some pine pollen has been reported to travel tens of kilometers [63], [64].…”

Section: Methodsmentioning

confidence: 99%

“…The age of old trees was either extracted from forest inventory data contained in forest management plans or estimated by counting whorls, which are formed annually [65]. Age determination based on whorl counting is precise up to the age of 50 years, where the Pearson correlation coefficient between the number of whorls (or branch scars) and number of rings above the root collar was found to be 0.979 in the Czech Republic [62]. The age of trees in the other age classes was estimated by whorl-counting, which is more precise in younger age classes.…”

Section: Methodsmentioning

confidence: 99%

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European Invasion of North American Pinus strobus at Large and Fine Scales: High Genetic Diversity and Fine-Scale Genetic Clustering over Time in the Adventive Range

et al. 2013

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BackgroundNorth American Pinus strobus is a highly invasive tree species in Central Europe. Using ten polymorphic microsatellite loci we compared various aspects of the large-scale genetic diversity of individuals from 30 sites in the native distribution range with those from 30 sites in the European adventive distribution range. To investigate the ascertained pattern of genetic diversity of this intercontinental comparison further, we surveyed fine-scale genetic diversity patterns and changes over time within four highly invasive populations in the adventive range.ResultsOur data show that at the large scale the genetic diversity found within the relatively small adventive range in Central Europe, surprisingly, equals the diversity found within the sampled area in the native range, which is about thirty times larger. Bayesian assignment grouped individuals into two genetic clusters separating North American native populations from the European, non-native populations, without any strong genetic structure shown over either range. In the case of the fine scale, our comparison of genetic diversity parameters among the localities and age classes yielded no evidence of genetic diversity increase over time. We found that SGS differed across age classes within the populations under study. Old trees in general completely lacked any SGS, which increased over time and reached its maximum in the sapling stage.ConclusionsBased on (1) the absence of difference in genetic diversity between the native and adventive ranges, together with the lack of structure in the native range, and (2) the lack of any evidence of any temporal increase in genetic diversity at four highly invasive populations in the adventive range, we conclude that population amalgamation probably first happened in the native range, prior to introduction. In such case, there would have been no need for multiple introductions from previously isolated populations, but only several introductions from genetically diverse populations.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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European Invasion of North American Pinus strobus at Large and Fine Scales: High Genetic Diversity and Fine-Scale Genetic Clustering over Time in the Adventive Range

et al. 2013

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“…This species has been declared invasive, as it regenerates well in many habitats in central Europe [35], [36]. It also has the ability to spread over 1 km distances via seed dispersal [37]. To successfully address invasions of this species, it is necessary to understand the population dynamics of this species in all invasible environments over a sufficient number of years.…”

Section: Introductionmentioning

confidence: 99%

Variability in the Contribution of Different Life Stages to Population Growth as a Key Factor in the Invasion Success of Pinus strobus

et al. 2013

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BackgroundDespite the increasing number of studies attempting to model population growth in various organisms, we still know relatively little about the population dynamics of long-lived species that reproduce only in the later stages of their life cycle, such as trees. Predictions of the dynamics of these species are, however, urgently needed for planning management actions when species are either endangered or invasive. In long-lived species, a single management intervention may have consequences for several decades, and detailed knowledge of long-term performance can therefore elucidate possible outcomes during the management planning phase.Methodology and Principal FindingsWe studied the population dynamics of an invasive tree species, Pinus strobus, in three habitat types represented by their position along the elevation gradient occupied by the species. In agreement with previous studies on the population dynamics of long-lived perennials, our results show that the survival of the largest trees exhibits the highest elasticity in all of the studied habitats. In contrast, life table response experiments (LTRE) analysis showed that different stages contribute the most to population growth rates in different habitats, with generative reproduction being more important in lower slopes and valley bottoms and survival being more important on rock tops and upper slopes.ConclusionsThe results indicate that P. strobus exhibits different growth strategies in different habitats that result in similar population growth rates. We propose that this plasticity in growth strategies is a key factor in the invasion success of the white pine. In all of the investigated habitats, the population growth rates are above 1, indicating that the population of the species is still increasing and has the ability to spread and occupy a wide range of habitats.

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“…Understanding the nature of this invasion process and the degree to which invaders modify their environments may be important for estimating their impacts on native ecosystems and may provide valuable information for developing or refining management strategies. Further, models of invasive plant spread require an understanding of an invader's ecological processes, including factors that may contribute to their establishment, to predict future expansion (Higgins et al, 1999;Epanchin-Niell and Hastings, 2010;Münzbergová et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Soil Property Differences Between Invaded Casuarina (Casuarina equisetifolia L.) Sites and Non-Casuarina Sites in the Bahamas

Buehler

Rodgers

2012

Physical Geography

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Casuarina (Casuarina equisetifolia) is a problematic invasive species within the Bahamas, associated with numerous environmental problems. Previous studies suggest casuarinas establish ecologically sterile monocultures, yet there is limited research on whether soils from casuarina-dominated sites differ physically or chemically from comparable soils under native vegetation. Because of the lack of knowledge and because this invader has the potential to be detrimental to native ecosystems, we conducted a study to examine differences in soil properties between sites where casuarinas dominated versus sites where casuarinas were absent. Soils at casuarina-dominated sites had lower potassium, phosphorus, and organic matter concentrations and had lower pH levels. But, casuarina-dominated sites had significantly higher leaf-litter abundances. No significant differences between soils were detected for calcium concentrations, magnesium concentrations, cation exchange capacity, nitrate-nitrogen concentrations, or soil moisture levels. A multivariate ordination showed that casuarina-dominated soils were more similar to one another than to non-casuarina soils. Thus, soil characteristics from casuarina-dominated areas appear to differ from comparable habitats devoid of casuarinas. There are at least two possible explanations: certain soil properties may have been more conducive to casuarina invasions, or casuarinas may have modified their soils once they became established. The results of this study provide insights into the invasion process and add to our understanding of how these invaders affect native Bahamian ecosystems. [

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Spatial and temporal variation in dispersal pattern of an invasive pine

Cited by 17 publications

References 70 publications

European Invasion of North American Pinus strobus at Large and Fine Scales: High Genetic Diversity and Fine-Scale Genetic Clustering over Time in the Adventive Range

European Invasion of North American Pinus strobus at Large and Fine Scales: High Genetic Diversity and Fine-Scale Genetic Clustering over Time in the Adventive Range

Variability in the Contribution of Different Life Stages to Population Growth as a Key Factor in the Invasion Success of Pinus strobus

Soil Property Differences Between Invaded Casuarina (Casuarina equisetifolia L.) Sites and Non-Casuarina Sites in the Bahamas

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