Biological control of invasive apple snails by two species of carp: Effects on non-target species matter

Ip, Kelvin K.L.; Liang, Yan; Lin, Li; Wu, Huixian; Xue, Junzhen; Qiu, Jian‐Wen

doi:10.1016/j.biocontrol.2013.12.009

Cited by 28 publications

(18 citation statements)

References 33 publications

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“…Indeed, many studies in our meta-analysis reported substantial reductions in plant abundance, of up to 100%, associated with only a single species of herbivore (e.g. Pípalová, 2002;Ip et al, 2014; but see Coetzee, Byrne & Hill, 2007). By contrast, we found no effect of plant species richness on the size of the outcome of plant-herbivore interactions.…”

Section: Discussioncontrasting

confidence: 50%

Herbivore regulation of plant abundance in aquatic ecosystems

et al. 2016

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Herbivory is a fundamental process that controls primary producer abundance and regulates energy and nutrient flows to higher trophic levels. Despite the recent proliferation of small-scale studies on herbivore effects on aquatic plants, there remains limited understanding of the factors that control consumer regulation of vascular plants in aquatic ecosystems. Our current knowledge of the regulation of primary producers has hindered efforts to understand the structure and functioning of aquatic ecosystems, and to manage such ecosystems effectively. We conducted a global meta-analysis of the outcomes of plant-herbivore interactions using a data set comprised of 326 values from 163 studies, in order to test two mechanistic hypotheses: first, that greater negative changes in plant abundance would be associated with higher herbivore biomass densities; second, that the magnitude of changes in plant abundance would vary with herbivore taxonomic identity. We found evidence that plant abundance declined with increased herbivore density, with plants eliminated at high densities. Significant between-taxa differences in impact were detected, with insects associated with smaller reductions in plant abundance than all other taxa. Similarly, birds caused smaller reductions in plant abundance than echinoderms, fish, or molluscs. Furthermore, larger reductions in plant abundance were detected for fish relative to crustaceans. We found a positive relationship between herbivore species richness and change in plant abundance, with the strongest reductions in plant abundance reported for low herbivore species richness, suggesting that greater herbivore diversity may protect against large reductions in plant abundance. Finally, we found that herbivore-plant nativeness was a key factor affecting the magnitude of herbivore impacts on plant abundance across a wide range of species assemblages. Assemblages comprised of invasive herbivores and native plant assemblages were associated with greater reductions in plant abundance compared with invasive herbivores and invasive plants, native herbivores and invasive plants, native herbivores and mixed-nativeness plants, and native herbivores and native plants. By contrast, assemblages comprised of native herbivores and invasive plants were associated with lower reductions in plant abundance compared with both mixed-nativeness herbivores and native plants, and native herbivores and native plants. However, the effects of herbivore-plant nativeness on changes in plant abundance were reduced at high herbivore densities. Our mean reductions in aquatic plant abundance are greater than those reported in the literature for terrestrial plants, but lower than aquatic algae. Our findings highlight the need for a substantial shift in how biologists incorporate plant-herbivore interactions into theories of aquatic ecosystem structure and functioning. Currently, the failure to incorporate top-down effects continues to hinder our capacity to understand and manage the ecological dynamics of habitats ...

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Section: Discussioncontrasting

confidence: 50%

Herbivore regulation of plant abundance in aquatic ecosystems

et al. 2016

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“…Antioch Dunes National Wildlife Refuge used chemical agents to inhibit IAS, only to reduce the hatchability rate of the internationally endangered species Lange's metalmark butterfly to 24-36% [30]. Human exposure to chemicals causes neuropathy and DNA damage [31] and increases the risk of developing cancer [32]. Therefore, chemical control at an NP may threaten both conservation and visitor health.…”

Section: Negative Externalities Of Ias Prevention and Control Measuresmentioning

confidence: 99%

“…IAS prevention and control measures include chemical control. However, chemical agents can affect human health and cause disease [32]. Thus, using chemical methods for prevention and control in recreational areas represents a negative externality.…”

Section: ) Possible Negative Impact Of the Prevention And Control Mementioning

confidence: 99%

“…However, during the process, the pupation rate of Lange's metalmark butterfly (Apodemia mormo langei), an internationally endangered species, declined by 24-36% [30]. Exposure to chemicals has also caused human neuropathy and DNA damage [31] and increased the risks of cancer [32]. Chemicals used by traps might disrupt the ecosystem [33]; establishing monitoring systems could limit the scope of public activities;…”

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confidence: 99%

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Using RPL Model to Probe Trade-Offs among Negative Externalities of Controlling Invasive Species

Liu

2019

Sustainability

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This empirical study uses the choice experiment method to analyze the preferences of national park (NP) visitors regarding the negative externalities of NP measures to prevent and control invasive alien species (IAS). In addition, it estimates the visitor responses to the trade-offs between various negative externalities and the prices visitors are willing to pay. Based on these trade-offs and the willing-to-pay prices, NPs can plan IAS prevention that has the least impact on visitors. Adopting visitors to Taiwan’s Shei-Pa National Park as the survey respondents, this paper uses a stratified random sampling method to select the survey time and applies systematic sampling to select respondents during the survey period. A total of 602 questionnaires and 2998 observations were obtained. The results reveal that visitors believe that the negative externalities of IAS have a significant impact on them. However, their preference for prevention and control outweighs their preference for no prevention and control measures. In terms of the negative externalities associated with IAS prevention and control, visitors award priority to avoidance of ecological disturbance and harm to visitor health, and are more likely to accept the reduction of recreational area.

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“…Successful management of insects and snails by fish has been more difficult to achieve and can have associated problems. For example, the common carp, Cyprinus carpio L, clearly reduces snail densities, but carp is an invasive threat in some regions (Ip et al, 2014). In general, the effectiveness of biological control has been difficult to determine.…”

Section: Biological Controlmentioning

confidence: 99%

Integrated pest management for sustainable rice cultivation: a holistic approach

Horgan¹

2017

Burleigh Dodds Series in Agricultural Science

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Biological control of invasive apple snails by two species of carp: Effects on non-target species matter

Cited by 28 publications

References 33 publications

Herbivore regulation of plant abundance in aquatic ecosystems

Herbivore regulation of plant abundance in aquatic ecosystems

Using RPL Model to Probe Trade-Offs among Negative Externalities of Controlling Invasive Species

Integrated pest management for sustainable rice cultivation: a holistic approach

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