2014
DOI: 10.1371/journal.pone.0102121
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Are Non-Native Plants Perceived to Be More Risky? Factors Influencing Horticulturists' Risk Perceptions of Ornamental Plant Species

Abstract: Horticultural trade is recognized as an important vector in promoting the introduction and dispersal of harmful non-native plant species. Understanding horticulturists' perceptions of biotic invasions is therefore important for effective species risk management. We conducted a large-scale survey among horticulturists in Switzerland (N = 625) to reveal horticulturists' risk and benefit perceptions from ornamental plant species, their attitudes towards the regulation of non-native species, as well as the factors… Show more

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Cited by 33 publications
(29 citation statements)
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“…Such feelings paired with a lack in "taxonomic" knowledge might severely bias laypersons' perception of IAPS. Perceived familiarity with an IAPS has been found to have a mitigating effect on risk perception, and perceptions of risk increased if a species was perceived to be non-native (Humair et al 2014b). Inexperienced laypersons may also be victims of a confusing use of terms.…”
Section: Discussionmentioning
confidence: 99%
“…Such feelings paired with a lack in "taxonomic" knowledge might severely bias laypersons' perception of IAPS. Perceived familiarity with an IAPS has been found to have a mitigating effect on risk perception, and perceptions of risk increased if a species was perceived to be non-native (Humair et al 2014b). Inexperienced laypersons may also be victims of a confusing use of terms.…”
Section: Discussionmentioning
confidence: 99%
“…Actors within the ornamental nursery industry have different motivations, knowledge of invasive plant species and enthusiasm for market change (Humair, Kueffer, & Siegrist, ). Thus, while several policies exist addressing plant invasions arising from ornamental horticulture (Barbier, Knowler, Gwatipedza, Reichard, & Hodges, ; Reichard & White, ), they have seldom been viewed as an integrated suite of options targeting different actors (Drew et al., ).…”
Section: Integrating Invasive Species Policy Across the Ornamental Plmentioning
confidence: 99%
“…Alternatively, it may also be that commonness in trade may increase the use of plants and thereby their invasiveness. Increased familiarity with widespread plant species (e.g., invasive species) increases people's positive attitudes toward them and decreases perceptions of associated environmental risks (Humair et al 2014), possibly driving consumers toward buying those species. We did not find the same distribution pattern for invasive non-woody species, possibly because many non-woody species have only recently been included in global trade and are still in the process of spreading or because many herbaceous invasive species are weedy and do not depend on plant trade as a vector.…”
Section: Overrepresentation Of Invasive Species In International Tradementioning
confidence: 99%