Short- and long-term impacts of Acacia longifolia invasion on the belowground processes of a Mediterranean coastal dune ecosystem

Marchante, Elizabete; Kjøller, Annelise; Struwe, Sten; Freitas, Helena

doi:10.1016/j.apsoil.2008.04.004

Cited by 203 publications

(217 citation statements)

References 34 publications

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“…Additionally, our findings aligned with those of many previous studies (e.g. Ehrenfeld 2003;Marchante et al 2008;Rodgers et al 2008;Weidenhamer and Callaway 2010;. Thus, M. unguis-cati may improve soil fertility, decrease (albeit to a limited extent) concentrations of potentially toxic elements, and positively influence nutrient cycling and rhizosphere quality to create, through legacy effects of its own litter input, a positive feedback between site occupancy and its continued proliferation (see also Meisner et al 2012).…”

Section: Discussionsupporting

confidence: 80%

“…Ehrenfeld 2003;Marchante et al 2008;Rodgers et al 2008;, we found higher concentrations of major nutrients (C, N, Ca and Mg) in M. unguis-cati-invaded soils (Table 1). Differences in nutrient concentrations between M. unguis-cati-infested and uninfested soil patches were also similar to differences found in areas of Lantana camara invasion in the same region (Osunkoya and Perrett 2011).…”

Section: Discussionmentioning

confidence: 77%

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Cat's claw creeper vine, Macfadyena unguis-cati (Bignoniaceae), invasion impacts: comparative leaf nutrient content and effects on soil physicochemical properties

Perrett¹,

Osunkoya²,

Clark³

2012

Aust. J. Bot.

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Abstract. Macfadyena unguis-cati (L.) Gentry (Bignoniaceae) is a major environmental weed in coastal Queensland, Australia. There is a lack of quantitative data on its leaf chemistry and its impact on soil properties. Soils from infested vs uninfested areas, and leaves of M. unguis-cati and three co-occurring vine species (one exotic, two native) were collected at six sites (riparian and non-riparian) in south-eastern Queensland. Effects of invasion status, species, site and habitat type were examined using univariate and multivariate analyses. Habitat type had a greater effect on soil nutrients than on leaf chemistry. Invasion effect of M. unguis-cati on soil chemistry was more pronounced in non-riparian than in riparian habitat. Significantly higher values were obtained in M. unguis-cati infested (vs. uninfested) soils for~50% of traits. Leaf ion concentrations differed significantly between exotic and native vines. Observed higher leaf-nutrient load (especially nitrogen, phosphorus and potassium) in exotic plants aligns with the preference of invasive plant species for disturbed habitats with higher nutrient input. Higher load of trace elements (aluminium, boron, cadmium and iron) in its leaves suggests that cycling of heavy-metal ions, many of which are potentially toxic at excess level, could be accelerated in soils of M. unguis-cati-invaded landscape. Although inferences from the present study are based on correlative data, the consistency of the patterns across many sites suggests that M. unguis-cati may improve soil fertility and influence nutrient cycling, perhaps through legacy effects of its own litter input.

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Section: Discussionsupporting

confidence: 80%

Section: Discussionmentioning

confidence: 77%

Cat's claw creeper vine, Macfadyena unguis-cati (Bignoniaceae), invasion impacts: comparative leaf nutrient content and effects on soil physicochemical properties

Perrett¹,

Osunkoya²,

Clark³

2012

Aust. J. Bot.

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“…Dunes support high ecological diversity and contain many endemic and endangered species due to their geomorphological and environmental heterogeneity (Powell 1981;Lichter 1998;Van der Maarel 2003). However, they are fragile ecosystems and suffer from many kinds of natural and anthropogenic disturbance including hurricanes, invasive species, global sea-level rise, urbanization, and improper management (Feagin et al 2005;Grunewald 2006;El Banna and Mahmoud 2008;Bonte and Maes 2008;Claudino-Sales et al 2008;Marchante et al 2008;Jackson and Cooper 2011;Provoost et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Ant community structure and response to disturbances on coastal dunes of Gulf of Mexico

et al. 2014

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Coastal dunes are complex and fragile ecosystems. The decrease in environmental stressors from sea to inland creates zonation patterns of habitats, which support high biodiversity. Although coastal dunes have been examined in primary succession studies for more than 100 years, invertebrates have received much less attention than other taxa. In this study, we examined ant community composition and its relationship with vegetation structure on dunes, and used ants as indicators to reveal the influence of anthropogenic disturbances on these habitats. Quadrat sampling, hand collecting, and beating plants were used to sample ants on coastal dunes fringing the northern Gulf of Mexico. Ants representing 44 species were found, with diversity and number of functional groups increasing from foredunes to backdunes. Bush areas of the backdunes supported a unique ant community. Ant diversity was correlated with plant richness, stem number, and plant cover, but the correlation was not consistent among habitats. Ant diversity was lower in degraded, young-planted, and re-built but not in old-planted sites. In addition, different types of disturbance changed the ant community and functional groups in different ways. Our study emphasizes the importance of protecting the whole dune system, especially the backdunes, which support high diversity but are often completely destroyed by urban development. Data from this research provides a benchmark to examine trajectories of coastal dune ecosystem degradation or recovery when exposed to natural or anthropogenic disturbances.

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“…and A. longifolia (Andrews) Willd.) also produce an increasing of the nitrogen concentration, that can even affect the chemical properties of water below ground and the soil microorganisms communities (Marchante et al 2008, Le Maitre et al 2011. Furthermore, invasive nitrogen-fixing species such as Cytisus scoparius (L.) Link (Fabaceae), are associated with a variable increase of the total nitrogen of the soil, and a decrease of the carbon/nitrogen ratio in an invasive gradient (Haubensak & Parker 2004).…”

Section: Effects Of Two Nitrogen-fixing Invasive Plants Species On Somentioning

confidence: 99%

Effects of two nitrogen-fixing invasive plants species on soil chemical properties in south-central Chile

2012

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RESUMENDos especies invasoras leñosas, Acacia dealbata y Teline monspessulana (Fabaceae), ampliamente distribuidas en el centrosur de Chile, poseen la capacidad de fijar biológicamente el nitrógeno atmosférico y contribuir a la fertilidad del suelo. Se presentan evidencias de potenciales cambios ocasionados por estas especies en las propiedades químicas del suelo en áreas altamente degradadas de la Región del Bío-Bío, Chile.

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Short- and long-term impacts of Acacia longifolia invasion on the belowground processes of a Mediterranean coastal dune ecosystem

Cited by 203 publications

References 34 publications

Cat's claw creeper vine, Macfadyena unguis-cati (Bignoniaceae), invasion impacts: comparative leaf nutrient content and effects on soil physicochemical properties

Cat's claw creeper vine, Macfadyena unguis-cati (Bignoniaceae), invasion impacts: comparative leaf nutrient content and effects on soil physicochemical properties

Ant community structure and response to disturbances on coastal dunes of Gulf of Mexico

Effects of two nitrogen-fixing invasive plants species on soil chemical properties in south-central Chile

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