Viewing invasive species removal in a whole-ecosystem context

Zavaleta, Erika S.; Hobbs, Richard J.; Mooney, Harold A.

doi:10.1016/s0169-5347(01)02194-2

Cited by 981 publications

(874 citation statements)

References 26 publications

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“…through predation or introduction of lethal pathogens) or indirectly (e.g. through competition, including the parasite-mediated competition) (Clavero and Garcia-Berthou 2005;Hartigan et al 2011;Pizzatto and Shine 2011;Zavaleta et al 2001). Moreover, invasive species and the pathogens they spread represent a threat for human health (Hulme 2014).…”

Section: Introductionmentioning

confidence: 99%

Diversity and host specificity of coccidia (Apicomplexa: Eimeriidae) in native and introduced squirrel species

Hofmannová

Romeo

Štohanzlová

et al. 2016

European Journal of Protistology

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Section: Introductionmentioning

confidence: 99%

Diversity and host specificity of coccidia (Apicomplexa: Eimeriidae) in native and introduced squirrel species

Hofmannová

Romeo

Štohanzlová

et al. 2016

European Journal of Protistology

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“…The effects of the removed species on both alpha and beta diversity can then be evaluated. Few studies have used this type of species removal, however, despite its potential to contribute not just to the basic understanding of non-native species effects, but generally to inform ecosystem restoration efforts (Zavaleta et al 2001). A handful of recent studies used continuous species removal and yielded new insight into invasion ecology (Hulme and Bremner 2006;Truscott et al 2008; also see Martin and Wilsey 2012 for a related experiment involving native species addition instead of exotic species removal), but the target of continuous removal in these studies was limited to a single species.…”

Section: Introductionmentioning

confidence: 99%

Non-Native Plants Disrupt Dual Promotion of Native Alpha and Beta Diversity

et al. 2013

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Non-native species can alter patterns of species diversity at multiple spatial scales, but the processes that underlie multi-scale effects remain unclear. Here we show that non-native species reduce native diversity at multiple scales through simultaneous disruption of two processes of native community assembly: species immigration, which enhances alpha diversity, and community divergence, which enhances beta diversity. Community divergence refers to the process in which local communities diverge over time in species composition because the history of species immigration and, consequently, the way species affect one another within communities are variable among communities. Continuous experimental removal of species over four years of floodplain succession revealed that, when non-native species were excluded, stochastic variation in the timing of a dominant native species' arrival allowed local communities to diverge, thereby enhancing beta diversity, without compromising promotion of alpha diversity by species immigration. In contrast, when non-native species were allowed to enter experimental plots, they not only reduced native alpha diversity by limiting immigration, but also diminished the dominant native species' role in enhancing native beta diversity. Our results highlight the importance of community assembly and succession for understanding multi-scale effects of non-native species.

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“…However, complete removal of invasives sometimes triggers unanticipated effects, such as spread of previously undetected exotic plants following removal of invasive herbivores (Zavaleta et al 2001). Communication gaps and differences in social pressures and expectations for ecologists compared to general public generate controversy over control of invasives (Shine and Doody 2011).…”

Section: Ecological Invasivenessmentioning

confidence: 99%

“…Studies combining experimental and simulation work could prevent unwanted side effects of controlling invasives and post-control monitoring should be part of any invasion management program (Zavaleta et al 2001). In particular, predictive power could be improved by merging phenomenological and mechanistic models (Gallien et al 2010).…”

Section: Ecological Invasivenessmentioning

confidence: 99%

Focusing Ecological Research for Conservation

Cristescu

Boyce

2013

AMBIO

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Ecologists are increasingly actively involved in conservation. We identify five key topics from a broad sweep of ecology that merit research attention to meet conservation needs. We examine questions from landscape ecology, behavioral ecology, ecosystem dynamics, community ecology, and nutrient cycling related to key topics. Based on literature review and publication trend assessment, consultation with colleagues, and roundtable discussions at the 24th International Congress for Conservation Biology, focused research on the following topics could benefit conservation while advancing ecological understanding: 1. Carbon sequestration, requiring increased linkages to biodiversity conservation; 2. Ecological invasiveness, challenging our ability to find solutions to ecological aliens; 3. Individual variation, having applications in the conservation of rare species; 4. Movement of organisms, integrating ecological processes across landscapes and scales and addressing habitat fragmentation; and 5. Trophic-level interactions, driving ecological dynamics at the ecosystemlevel. Addressing these will require cross-disciplinary research under the overarching framework of conservation ecology.

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Viewing invasive species removal in a whole-ecosystem context

Cited by 981 publications

References 26 publications

Diversity and host specificity of coccidia (Apicomplexa: Eimeriidae) in native and introduced squirrel species

Diversity and host specificity of coccidia (Apicomplexa: Eimeriidae) in native and introduced squirrel species

Non-Native Plants Disrupt Dual Promotion of Native Alpha and Beta Diversity

Focusing Ecological Research for Conservation

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