A global comparison of plant invasions on oceanic islands

Kueffer, Christoph; Daehler, Curtis C.; Torres-Santana, Christian W.; Lavergne, Christophe; Meyer, Jean‐Yves; Otto, Ruediger; Silva, Luís

doi:10.1016/j.ppees.2009.06.002

Cited by 272 publications

(274 citation statements)

References 116 publications

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“…Our results provide novel insights for risk assessments of API invasions. APIs have a large global potential to threaten ecosystems of temperate coastal rivers and oceanic islands (Kueffer et al, 2010). Hence, we assessed the degree of climatic niche shift between native and invasive ranges on a biome scale.…”

Section: Resultsmentioning

confidence: 99%

Climatic niche shift of aquatic plant invaders between native and invasive ranges: a test using 10 species across different biomes on a global scale

Wang

Wan

QingBiao

et al. 2017

Knowl. Manag. Aquat. Ecosyst.

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-Environmental niche conservatism defines a concept, stating that species could live in the same environmental condition in both native and invasive ranges. Niche modeling often used this as basis for the prediction of the range of invasive plants. However, it is debatable whether environmental niches of invasive plant species are conserved or shift between native and invasive ranges. Only few studies have investigated such a shift in aquatic plant invaders (APIs) on a meaningful global scale. Environmental niche modeling was used to project climatic niche distributions of 10 APIs based both on the native range and the invasive range of species. We found that niche shifts of APIs between native and invasive ranges may occur throughout the world. Moreover, we found niche shifts of APIs between native and invasive ranges across different biomes. The largest climatic niche shift was detected for Najas minor and the smallest for Alternanthera philoxeroides. For all 10 APIs, overlap between both ranges was maximal for large river deltas, while overlap was minimal for temperate floodplain rivers and wetlands. For APIs, the suitability of the climatic habitat was highest in temperate coastal rivers for invasive models in invasive ranges. More importantly, based on invasive models, climatic suitability was significantly higher for temperate coastal rivers and temperate floodplain rivers and wetlands in invasive ranges and compared to native models. We suggest to integrate climatic niches of both native and invasive ranges into projections of the global climatic niche distribution of APIs.Keywords: climatic niche shift / aquatic plant species / biomes / niche overlap / plant invasion Résumé -Changement de niche climatique de plantes aquatiques invasives des habitats natifs aux habitats envahis : un test utilisant 10 espèces de différents biomes à une échelle globale. Le conservatisme de niche environnementale définit un concept, affirmant que les espèces pourraient vivre dans les mêmes conditions environnementales dans les habitats indigènes et invasifs. La modélisation de niche a souvent servi de base à la prédiction de l'extension des plantes envahissantes. Cependant, cela est discutable si les niches environnementales des espèces de plantes envahissantes sont conservées ou se modifient entre les aires indigènes et invasives. Seules quelques études ont étudié un tel changement chez les plantes aquatiques invasives (API) à une échelle mondiale significative. La modélisation de niche environnementale a été utilisée pour projeter des distributions de niches climatiques de 10 API basées à la fois sur la répartition native et invasive d'espèces. Nous avons constaté que des changements de niche des API entre les aires indigènes et invasives peuvent se produire dans le monde entier. En outre, nous avons trouvé des changements de niche des API entre les aires indigènes et invasives entre différents biomes. Le plus grand changement de niche climatique a été détecté chez Najas minor et le plus petit pour Alternanthera p...

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Section: Resultsmentioning

confidence: 99%

Climatic niche shift of aquatic plant invaders between native and invasive ranges: a test using 10 species across different biomes on a global scale

Wang

Wan

QingBiao

et al. 2017

Knowl. Manag. Aquat. Ecosyst.

View full text Add to dashboard Cite

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“…Under the current scenario of economic globalization, the dispersal of cultivated plants is promoted and easily achieved even from remote locations. Prevailing economic development in PRVI together with dynamic import markets, high population densities and high urban development, are factors facilitating the influx of alien species, increasing propagule pressure and lastly increasing the likelihood of becoming naturalized or invasive (Denslow et al 2009;Kueffer et al 2010).…”

Section: Parameters Determining Naturalization and Invasion Successmentioning

confidence: 99%

Naturalization and invasion of alien plants in Puerto Rico and the Virgin Islands

Rojas‐Sandoval

Acevedo‐Rodríguez

2014

Biol Invasions

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A fundamental goal in invasion ecology is to identify and understand the factors explaining why some alien species become invasive when others fail. In this study we gathered data on taxonomy, invasive status, invasion history, geographic distribution, and biological and ecological traits of 1,032 alien plant species occurring on different habitats in Puerto Rico and the Virgin Islands. These data were used to evaluate the relative importance of habitat and species attributes in influencing the likelihood of alien plants to become naturalized and subsequently invasive on these islands. Our results showed that alien species were more likely to become naturalized if they grow in semi-natural habitats, have large native distribution ranges, long residence time, were introduced for horticulture and have mixed breeding systems. On the other hand, naturalized species were more likely to become invasive if they were introduced for horticulture, behave as weeds, have tolerance to different climatic life-zones, thrive in ruderal habitats, have mixed breeding systems with hermaphroditic flowers, reproduce vegetatively and produce small seeds.Whereas some of these parameters were important for both transitions, others were important for either naturalization or invasion. Overall, our results emphasize the importance of studying different stages of the invasion process in order to understand the mechanisms explaining successful invasions rather than baseline approaches of simply comparing invasive with natives or noninvasive alien species. Understanding the process by which alien species become naturalized or invasive could provide a more objective and accurate approach for managing and predicting biological invasions.

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“…Native floras on oceanic islands are highly susceptible to displacement and extinction following the introduction of non-native species (Kueffer et al 2010;Oduor et al 2010). Successful invasion of nonnative plant species in island ecosystems is commonly explained by the enemy release hypothesis, which states that non-native species experience higher survival, growth, abundance, or reproduction in their introduced range relative to their native range because they have escaped enemies (e.g.…”

Section: Introductionmentioning

confidence: 99%

Trait-based plant mortality and preference for native versus non-native seedlings by invasive slug and snail herbivores in Hawaii

2014

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Non-native herbivores may alter plant communities through their preferential consumption of seedlings of different species. We assessed seedling herbivory by two invasive gastropod species in Hawaii, the giant African snail (Achatina fulica) and the Cuban brown slug (Veronicella cubensis). We hypothesized that six native species would suffer greater gastropod herbivory than four non-native species, and that species with short stature, thin leaves, and lacking physical defenses would suffer the greatest mortality from gastropods. Herbivory was measured during 13-day preference trials using enclosures that each contained four different woody species (two native, two non-native) and were assigned to one of three treatments: giant African snail, Cuban brown slug, or control (no gastropod). Discriminant function analysis was used to predict gastropod-induced seedling mortality from a suite of seedling characteristics. Native species did not always experience greater herbivory than non-natives species, and seedling mortality was 0-100 %. Native Pipturus albidus and Clermontia parviflora suffered 100 % mortality from V. cubensis herbivory, and P. albidus, Psychotria hawaiiensis, and Myrsine lessertiana suffered C80 % mortality from A. fulica. Two non-natives (Fraxinus uhdei, Clidemia hirta), and two natives (Metrosideros polymorpha, Diospyros sandwicensis), suffered little damage and no mortality. Non-native Ardisia elliptica suffered 10-30 % gastropod mortality, and non-native Psidium cattleianum mortality was 0-50 %. Leaf thickness best predicted species mortality caused by slugs and snails; some thicker-leaved species suffered most. Invasive snails and slugs threaten some native and non-native seedlings by directly consuming them. Current and future plant community structure in Hawaii may in part reflect the feeding preferences of invasive gastropods.

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A global comparison of plant invasions on oceanic islands

Cited by 272 publications

References 116 publications

Climatic niche shift of aquatic plant invaders between native and invasive ranges: a test using 10 species across different biomes on a global scale

Climatic niche shift of aquatic plant invaders between native and invasive ranges: a test using 10 species across different biomes on a global scale

Naturalization and invasion of alien plants in Puerto Rico and the Virgin Islands

Trait-based plant mortality and preference for native versus non-native seedlings by invasive slug and snail herbivores in Hawaii

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