Interactive effects of source and recipient habitats on plant invasions: distribution of exotic species in Chile

Gallo, Belén Acosta; Sánchez-Jardón, Laura; Martín‐Forés, Irene; Castro, Isabel; Ovalle, Carlos; Pozo, Alejandro del; Miguel, Jesús M. de

doi:10.1111/ddi.12326

Cited by 17 publications

(22 citation statements)

References 54 publications

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“…In contrast, comparison between nonindigenous species and the donor community is important for identifying what differentiates a successful nonindigenous species from an unsuccessful one (Hierro et al, 2005). These two questions are seldom addressed simultaneously (Casado et al, 2015). However, the establishment process is the joint result of species selectively moving between their native and invasive ranges, overcoming potential environmental filtering and interacting with members of the recipient community.…”

Section: Introductionmentioning

confidence: 99%

Trait structure reveals the processes underlying fish establishment in the Mediterranean

Givan

Parravicini

Kulbicki

et al. 2016

Global Ecol. Biogeogr.

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Aim Typically, non‐indigenous species have been studied in relation to either the invaded (recipient) community or the donor community. However, we still lack a broad understanding of the mechanisms underlying the establishment of non‐indigenous species that combines both perspectives. Since the opening of the Suez Canal, hundreds of species have invaded the Mediterranean from the Red Sea, forming a unique system in which the entire species pool (donor, non‐indigenous and recipient) is known. Focusing on species ecological traits, we assess the drivers underlying the establishment of non‐indigenous species from the onset of the invasion to the present. Location The Mediterranean and Red Seas. Methods We compiled traits for shallow‐water hard‐bottom‐associated fishes in the Mediterranean (recipient community) and the Red Sea (donor community). We compared the multivariate community trait structure of non‐indigenous species with the donor and recipient assemblages, using a novel method to objectively assign trait‐weights, thereby increasing the robustness of the results. Patterns were contrasted with two types of null models which provide distinct insights into the ecological processes. Results Non‐indigenous fishes are very diverse ecologically, substantially increasing the total community trait diversity of the Mediterranean. Trait similarity between non‐indigenous and indigenous Mediterranean species was lower than expected, indicating that non‐indigenous fishes tend to occupy relatively vacant niches within the Mediterranean. However, we further found that over time non‐indigenous species display increased trait similarity to indigenous Mediterranean species. This suggests that trait constraints associated with successful establishment are weakening. Main conclusions Non‐indigenous species establish in relatively vacant ecological niches, opening the possibility for predicting establishment using ecological traits. However, the weakening of trait constraints through time suggests that forecasting future establishment may be difficult. Faced with an accelerating pace of invasion, it appears that the Mediterranean is going to be transformed into an extension of the Red Sea in terms of trait and species composition.

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Section: Introductionmentioning

confidence: 99%

Trait structure reveals the processes underlying fish establishment in the Mediterranean

Givan

Parravicini

Kulbicki

et al. 2016

Global Ecol. Biogeogr.

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“…Most studies on species co-occurrence have focussed upon the importance of different ecological factors acting on the species present in a given region such as dispersal, abiotic filters and biotic interactions (Chase, 2003;Diamond, 1975;G€ otzenberger et al, 2011;Casado et al, 2015). However, other studies highlighted the importance of evolutionary and biogeographical processes in the configuration and composition of the regional species pool (HilleRisLambers et al, 2012;Ricklefs, 2004), which can be even more influential than local filters (Chase, 2003;Zobel and Partel, 2008).…”

Section: Introductionmentioning

confidence: 99%

Non-random co-occurrence of native and exotic plant species in Mediterranean grasslands

et al. 2016

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“…; Casado et al . ). Due to the similarity in environmental conditions between the novel and original habitats, non‐native plants may be pre‐adapted to particular conditions, such as light and disturbance, making them more prone to invade the novel range (Kalusová et al .…”

Section: Discussionmentioning

confidence: 97%

Inverted invasions: Native plants can frequently colonise urban and highly disturbed habitats

2019

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There is an enormous body of literature on plant invasions, including many investigations of the types of introduced species that are most likely to invade natural ecosystems. In this study we turn invasion biology upside down, and ask what sort of native species colonise novel anthropogenic habitats such as roadside lawns, infrequently tended road shoulders, railway embankments and fire trails. We quantified species richness and cover in roadside lawns and infrequently tended road shoulders in five regions of New South Wales, Australia. The native vegetation in these regions included sclerophyll forest, fertile and infertile Eucalypt-dominated woodlands, rainforest, and semi-arid woodland. We performed a complementary survey of sites spanning five disturbance levels within the region containing sclerophyll forest vegetation. Although many non-native species were present in disturbed, novel habitats, a total of 136 native species were also found. Most of these native species were in sites with low levels of disturbance (fire trails and railway embankments), but 35 native species were found to colonise roadside lawns, our most highly-disturbed vegetation type. There was a significant negative relationship between the disturbance level in novel habitats and the number and cover of native species. Native species that colonised novel habitats were disproportionately likely be generalist species whose natural habitat includes both high and low light and high and low disturbance conditions. The native species colonising novel habitats also tended to have traits associated with a fast life-history, including short stature and small seeds. A surprisingly high number of native plant species are colonising novel, anthropogenic habitats. Our findings highlight the potential importance of urban ecosystems for conservation and restoration biology.

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Interactive effects of source and recipient habitats on plant invasions: distribution of exotic species in Chile

Cited by 17 publications

References 54 publications

Trait structure reveals the processes underlying fish establishment in the Mediterranean

Trait structure reveals the processes underlying fish establishment in the Mediterranean

Non-random co-occurrence of native and exotic plant species in Mediterranean grasslands

Inverted invasions: Native plants can frequently colonise urban and highly disturbed habitats

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