Impact of invasive apple snails on the functioning and services of natural and managed wetlands

Horgan, Finbarr G.; Stuart, Alexander M.; Kudavidanage, Enoka P.

doi:10.1016/j.actao.2012.10.002

Cited by 142 publications

(98 citation statements)

References 93 publications

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“…This pattern agrees with other authors about animal remains being included in the diet of these snails (Cazzaniga and Estebenet, 1984;Aditya andRaut, 2001, Wood et al, 2006;Kwong et al, 2009). This is in accordance with Horgan et al (2014) who addressed that under conditions where macrophytes, algae and decaying plant materials are sufficiently abundant, predation of aquatic fauna is probably low. The distribution pattern of prey points of P. canaliculata along the diagonal in Amundsen trophic strategy diagrams indicates a high within-phenotype component in niche width, in which most of the individuals utilize many resource types simultaneously.…”

Section: Discussionsupporting

confidence: 82%

Dieta de Pomacea canaliculata (Gastropoda: Ampullariidae) en su hábitat natural basada en análisis de contenidos digestivos e isótopos estables

et al. 2016

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Pomacea canaliculata is native to Rio de la Plata basin, and it is invasive in most of South and Southeast Asia after accidental introduction during unsuccessful attempts to establish commercial aquaculture of this species, and being present, the number one pest of rice crops in the region. Investigations in its native habitat are still needed because fundamental issues of its trophic ecology remain unknown. The aim of this research was to study the diet of P. canaliculata in its natural habitat through gut content techniques and stable isotopes of 13C and 15N. Biological samples were taken from November 2009 to December 2010 in Carnaval stream, a characteristic Pampean stream. Samples for stable isotopes of 13C and 15N using of a mixing model were collected in November 2011. The trophic strategy diagram evinced a generalist diet with high consumption of detritus followed by the vascular plants and algae. The mixing model results indicated that the relative contribution to the diet was similar for all basal resources: fine and coarse particulate organic matter, epipelon and aquatic macrophytes (approximately 40 %). These results evidenced a strong dietary plasticity for the species.

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Section: Discussionsupporting

confidence: 82%

Dieta de Pomacea canaliculata (Gastropoda: Ampullariidae) en su hábitat natural basada en análisis de contenidos digestivos e isótopos estables

et al. 2016

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“…), a widespread invasive pest in rice, is mainly controlled by synthetic molluscicides by farmers, due to their effectivity and despite of the awareness of farmers for the impairment of the environment and their own health by these chemicals. This kind of pest snail management and presumably to some extent the snails themselves have led to a strong decline in native molluscs in rice fields (Horgan et al 2014). Native molluscs, however, serve as food for predacious species and humans and might contribute to the ESS of nutrient cycling by their activity as decomposers.…”

Section: Biocontrol/pest Controlmentioning

confidence: 99%

The LEGATO cross-disciplinary integrated ecosystem service research framework: an example of integrating research results from the analysis of global change impacts and the social, cultural and economic system dynamics of irrigated rice production

Spangenberg

Beaurepaire

Bergmeier

et al. 2017

Paddy Water Environ

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In a cross-disciplinary project (LEGATO) combining inter-and transdisciplinary methods, we quantify the dependency of rice-dominated socio-ecological systems on ecosystem functions (ESF) and the ecosystem services (ESS) the integrated system provides. In the collaboration of a large team including geo-and bioscientists, economists, political and cultural scientists, the mutual influences of the biological, climate and soil conditions of the agricultural area and its surrounding natural landscape have been analysed. One focus was on sociocultural and economic backgrounds, another on local as well as regional land use intensity and biodiversity, and the potential impacts of future climate and land use change. LEGATO analysed characteristic elements of three service strands defined by the Millennium Ecosystem Assessment (MA): (a) provisioning services: nutrient cycling and crop production; (b) regulating services: biocontrol and pollination; and (c) cultural services: cultural identity and aesthetics. However, in line with much of the current ESS literature, what the MA called supporting services is treated as ESF within LEGATO. As a core output, LEGATO developed generally applicable principles of ecological engineering (EE), suitable for application in the context of future climate and land use change. EE is an emerging discipline, concerned with the design, monitoring and construction of ecosystems and aims at developing strategies to optimise ecosystem services through exploiting natural regulation mechanisms instead of suppressing them. Along these lines LEGATO also aims to create the knowledge base for decision-making for sustainable land management and livelihoods, including the provision of the corresponding governance and management strategies, technologies and system solutions.

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“…The idea of crop health syndromes also acknowledges trends in ecological succession acting on rice fields. For example, several herbivores, including insects, snails and rodents are associated with paddy field weeds (Drost and Moody, 1982;Tindall and Stout, 2003;Horgan et al, 2014a), sometimes facilitating the weeds by reducing shade from the rice canopy. Weeds may in turn lead to increased damage to rice from birds, as has been noted from recent studies in Africa (Rodenburg et al, 2014).…”

Section: Hybrid Rice Nitrogenmentioning

confidence: 99%

Integrated pest management for sustainable rice cultivation: a holistic approach

Horgan¹

2017

Burleigh Dodds Series in Agricultural Science

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Impact of invasive apple snails on the functioning and services of natural and managed wetlands

Cited by 142 publications

References 93 publications

Dieta de Pomacea canaliculata (Gastropoda: Ampullariidae) en su hábitat natural basada en análisis de contenidos digestivos e isótopos estables

Dieta de Pomacea canaliculata (Gastropoda: Ampullariidae) en su hábitat natural basada en análisis de contenidos digestivos e isótopos estables

The LEGATO cross-disciplinary integrated ecosystem service research framework: an example of integrating research results from the analysis of global change impacts and the social, cultural and economic system dynamics of irrigated rice production

Integrated pest management for sustainable rice cultivation: a holistic approach

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