Choice of Oviposition Site by Gray Treefrogs: The Role of Potential Parasitic Infection

Kiesecker, Joseph M.; Skelly, David K.

doi:10.2307/177354

Cited by 28 publications

(33 citation statements)

References 14 publications

(16 reference statements)

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“…Cues from infected conspecifics (Kiesecker et al . ) and from infectious parasite stages (Kiesecker & Skelly ; Rohr et al . ) have been suggested to elicit behavioural responses in amphibian larvae, although the mechanisms are not entirely clear.…”

Section: Introductionmentioning

confidence: 99%

Natural enemy ecology: comparing the effects of predation risk, infection risk and disease on host behaviour

et al. 2014

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Summary1. Growing interest in unifying the field of natural enemy ecology has revealed similarities between predation and parasitism. In parallel with predation, parasite infection -and even the threat of infection -can alter host traits and indirectly affect community interactions. Nonetheless, few studies have considered multiple mechanisms of natural enemy-induced behavioural alteration in parallel (e.g. effects before and after enemy contact) or the factors that drive variation in behavioural responses. 2. We first evaluated how the threat of infection by a virulent trematode (Ribeiroia ondatrae) compared to the well studied risk of predation in triggering inducible defences in amphibian hosts, prior to direct contact with either enemy. We then evaluated five separate factors that influenced the magnitude of parasite-induced behavioural changes after successful transmission. 3. In both the laboratory and an outdoor mesocosm experiment, we found no evidence that tadpoles of two species (Pseudacris regilla and Anaxyrus boreas) altered their activity levels in response to chemical cues from uninfected host snails, trematode-infected snails, or from conspecifics actively becoming infected. In contrast, tadpoles sharply reduced their activity in response to lethal predation risks posed by caged dragonfly larvae. 4. After infection, however, Ribeiroia caused strong decreases in host activity and escape distance that correlated positively with infection intensity and negatively with host size and developmental stage. Five days after infection with a one-time pulse exposure, hosts recovered to near-normal activity levels. Hosts exposed to a chronic daily exposure of equal intensity, however, continued to decrease activity. Unlike Ribeiroia, two less virulent trematodes had no detectable effects on host behaviour. 5. Our results highlight key distinctions between predation and parasitism. The contrasting effects prior to enemy contact may stem from the fact that unlike predation, the consequences of macroparasite infection are intensity-dependent and unpredictable. In contrast, the strong changes in host behaviour after infection are more similar to non-consumptive predator effects in terms of their potential influences on host fitness and community interactions.

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Section: Introductionmentioning

confidence: 99%

Natural enemy ecology: comparing the effects of predation risk, infection risk and disease on host behaviour

et al. 2014

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“…As with predator avoidance, parasite avoidance begins with detection of the parasite or indicators of the risk of parasitism (Lima & Dill, 1990; Smith, 1992; Hart, 1994; Kiesecker et al , 1999; Kiesecker & Skelly, 2000; Wisenden et al , in press). In aquatic ecosystems, chemical cues represent reliable public information about predation risk (Dodson et al , 1994; Kats & Dill, 1998; Wisenden, 2003; Wisenden & Chivers, 2006).…”

Section: Introductionmentioning

confidence: 99%

Cost of exposure to trematode cercariae and learned recognition and avoidance of parasitism risk by fathead minnowsPimephales promelas

James

Noyes

Stumbo

et al. 2008

Journal of Fish Biology

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Fathead minnows Pimephales promelas exposed to cercariae of the trematode Ornithodiplostomum sp. incurred a significant mass loss 17 days after exposure to 20 or 120 cercariae. Parasite-naı¨ve P. promelas showed no evidence of innate recognition or avoidance of cercariae. After a single exposure to cercariae, however, fish responded to chemical and visual cues of dead (thawed) cercariae with a reduction in activity. Encounter rate with cercariae, and hence infection rate, increased with fish activity. The data indicated that experienced P. promelas associated parasitism risk with novel chemical and visual cues that later triggered avoidance behaviour. Parallels and interactions between antiparasite behaviour and antipredator behaviour open new avenues for behavioural ecological research in risk-sensitive decision-making.

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“…A escolha resulta de um balanço, porque, no início da noite, poças profundas são favorecidas, porém quando elas se saturam de ovos, a preferência muda para poças rasas com menos ovos (Crump 1991 Os autores desses estudos experimentais com os hilídeos ressaltam que a seleção de sítios de oviposição pode influenciar na dinâmica de populações e na estrutura de comunidades, promovendo, por exemplo, a segregação de hábitat entre espécies competidoras ou entre espécies-presa e seus predadores. Assim, a ausência de uma espécie num determinado local pode ser atribuída não somente a efeitos diretos (mortalidade) da dessecação, competição, parasitismo ou predação, mas também, ao comportamento de evitação da fêmea a esses fatores adversos (Resetarits-Jr. & Wilbur 1989, Crump 1991, Kiesecker & Skelly 2000, Binckley & Resetarits-Jr. 2002, 2003, Rieger et al 2004, Resetarits Jr. 2005.…”

Section: Estudos De Casounclassified

Seleção de sítios de oviposição em anuros (Lissamphibia)

Silva

Giaretta

2008

Biota Neotrop.

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GIARETTA, A.A. Oviposition site selection in anurans (Lissamphibia). Biota Neotrop. 8(2): http://www.biotaneotropica.org.br/v8n3/en/abstract?thematic-review+bn02008032008. Abstract:Oviposition site selection is a kind of habitat selection in which the females choose egg-laying sites that maximize their reproductive success. In the present review, we compiled the main conclusions of major studies on this theme that used frogs as model organisms. In the literature, three main lines of investigations were recognized: 1) multiple factor analyses in natural habitats-within the breeding site, places with eggs/tadpoles are compared with unused sites, testing several abiotic and biotic factors that could potentially influence female's choice; 2) experiments with pools arranged in replicated blocks (treatments/control) to simulate oviposition sites differing in quality and 3) quantification of reproductive events associated with experimental manipulations in the field. Effectively, females of several frog species select oviposition sites more favorable to survival and development of eggs and tadpoles. In general, the female choice depends on the abundance and quality of potential egg-laying sites and on her discriminatory ability. Female choices usually mirror the main risks to survival and growth of the offspring, but discriminatory power is not absolute and partial or total losses of clutches and tadpoles may occur, most of them resulting from desiccation and predation. The sensory mechanisms that females use to discriminate the conditions of potential oviposition sites remain poorly known and unexplored. Besides affecting the parental reproductive success, the selective behavior potentially influence population dynamics and community structure by promoting habitat segregation among competitive species or prey-species and their predators. Resumo: A seleção de sítios de oviposição é uma forma de seleção de hábitat em que as fêmeas escolhem o micro-ambiente de desova procurando maximizar o sucesso reprodutivo. Nesta revisão, compilamos as principais conclusões de estudos sobre seleção de sítios de oviposição tendo os anuros como modelo. Na literatura, podemos reconhecer três linhas principais de investigação: 1) análise de múltiplos fatores em hábitat natural-no ambiente de reprodução, sítios com ovos e girinos são comparados com locais não utilizados com base em fatores abióticos e bióticos com potencial de influenciar a escolha da fêmea; 2) experimentos controlados com poças dispostas em blocos replicados simulando sítios potenciais de oviposição com diferenças na qualidade e 3) quantificações de eventos reprodutivos e experimentos de manipulação em ambiente natural. Fêmeas de várias espécies de anuros selecionam sítios de oviposição mais favoráveis à sobrevivência e desenvolvimento dos ovos e girinos. O comportamento de escolha depende da abundância e qualidade relativa dos locais potenciais de desova e da capacidade de discriminação da fêmea. Em geral, as escolhas das fêmeas respondem aos principais riscos à sobreviv...

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Choice of Oviposition Site by Gray Treefrogs: The Role of Potential Parasitic Infection

Cited by 28 publications

References 14 publications

Natural enemy ecology: comparing the effects of predation risk, infection risk and disease on host behaviour

Natural enemy ecology: comparing the effects of predation risk, infection risk and disease on host behaviour

Cost of exposure to trematode cercariae and learned recognition and avoidance of parasitism risk by fathead minnowsPimephales promelas

Seleção de sítios de oviposição em anuros (Lissamphibia)

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