Effects of anthropogenic noise on endocrine and reproductive function in White's treefrog,<i>Litoria caerulea</i>

Kaiser, Kristine; Devito, Julia; Jones, Caitlin G.; Marentes, Adam; Perez, Rachel; Umeh, Lisa; Weickum, Regina M.; McGovern, Kathryn E.; Wilson, Emma H.; Saltzman, Wendy

doi:10.1093/conphys/cou061

Cited by 23 publications

(24 citation statements)

References 62 publications

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“…The results reported in this study are consistent with the literature documenting the effects of anthropogenic noise on stress and hearing; however, this is the first study to investigate the effects of terrestrial traffic noise on an otophysan, freshwater stream fish [ 8 , 14 , 21 ]. The elevation in C .…”

Section: Discussionsupporting

confidence: 90%

“…Currently, there is a growing volume of literature documenting the deleterious effects of anthropogenic noise on acoustic communication in the natural world [ 8 – 10 ]; although one study with birds found no effect of road noise on stress hormones [ 11 ]. Noise generated from human-related activities, such as transportation networks, commercial shipping, seismic exploration, resource extraction, and urbanization presents a unique challenge to organisms in both terrestrial and aquatic environments [ 12 – 14 ]. Anthropogenic noise often has frequencies similar to those utilized by vertebrates that communicate acoustically, effectively masking communication networks [ 13 , 15 ].…”

Section: Introductionmentioning

confidence: 99%

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Stress and Auditory Responses of the Otophysan Fish, Cyprinella venusta, to Road Traffic Noise

et al. 2015

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Noise pollution from anthropogenic sources is an increasingly problematic challenge faced by many taxa, including fishes. Recent studies demonstrate that road traffic noise propagates effectively from bridge crossings into surrounding freshwater ecosystems; yet, its effect on the stress response and auditory function of freshwater stream fishes is unexamined. The blacktail shiner (Cyprinella venusta) was used as a model to investigate the degree to which traffic noise impacts stress and hearing in exposed fishes. Fish were exposed to an underwater recording of traffic noise played at approximately 140 dB re 1 μPa. Waterborne cortisol samples were collected and quantified using enzyme immunoassay (EIA). Auditory thresholds were assessed in control and traffic exposed groups by measuring auditory evoked potentials (AEPs). After acute exposure to traffic noise, fish exhibited a significant elevation in cortisol levels. Individuals exposed to 2 hours of traffic noise playback had elevated hearing thresholds at 300 and 400 Hz, corresponding to the most sensitive bandwidth for this species.

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Section: Discussionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Stress and Auditory Responses of the Otophysan Fish, Cyprinella venusta, to Road Traffic Noise

et al. 2015

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“…The energetic cost of calling in frogs is well recognized [ 57 ] and so the consequences of increased vocal output in response to noise, which could lead to a use of more energy reserves [ 27 ]. Therefore, although its yet to be more explored, changing call parameter can affect not only calling activity, but indirectly the animals life function and vital rates [ 5 , 34 , 58 ].…”

Section: Discussionmentioning

confidence: 99%

Effects of traffic noise on the calling behavior of two Neotropical hylid frogs

et al. 2017

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Anthropogenic disturbance has been pointed to as one of the major causes of the world´s biodiversity crisis. Among them, noise pollution is a potential underestimated threat, projected to increase in the next decades accompanying urban expansion. Rising levels of noise pollution may result in negative impacts on species highly dependent on acoustic communication. Amphibians have long served as model organisms for investigating animal acoustic communication because their reproduction depends on transmitting and receiving acoustic signals. A few studies have investigated the effects of anthropogenic noise on anurans, but there is still limited knowledge on how it affects them. In this study, we test the effect of two intensities of traffic noise on calling males of two Neotropical treefrogs species. We expect to record more changes in call parameters, to avoid masking effect, at higher intensity noise treatments, and in the species with higher call/noise frequency overlap. We performed a set of field playback experiments exposing male frogs to road noise at two different intensities (65dB and 75dB). Focal species are Boana bischoffi (high call/noise frequency overlap) and B. leptolineata (low call/noise frequency overlap). Both species changed acoustic parameters during or after the exposure to traffic noise. Advertisement call rate of B. bischoffi decreased during road noise, and dominant frequency decreased over time. Call length of B. leptolineata increased or decreased, depending on the order of noise intensity. We also observed spatial displacement in both species, which moved away from the noise source. Our results provide evidence that traffic noise affects anuran calling behavior, and noise intensity is an important factor affecting how species respond.

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“…Unfortunately, few studies to date have been able to simultaneously measure environmental quality, GCs, and fitness consequences, leading to variable results that can be sex‐ (Strasser and Heath ), season‐ (Escribano‐Avila et al ), or scale‐ (i.e. individual versus population) specific (Riechert et al ), or only evident when other measures of physiology are accounted for (thyroid hormone: Hayward et al ) (but see Gobush et al , Sheriff et al , Kaiser et al ). Overall, we currently lack information regarding the spatial scale over which differences in such relationships can occur, whether they change over different stages in the life cycle, and how they can be further impacted by additional environmental change (e.g.…”

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confidence: 99%

Do baseline glucocorticoids simultaneously represent fitness and environmental quality in a declining aerial insectivore?

Madliger

Love

2016

Oikos

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Glucocorticoids (GCs) are often interpreted as indicators of disturbance, habitat quality, and fi tness in wild populations. However, since most investigations have been unable to examine habitat variability, GC levels, and fi tness simultaneously, such interpretations remain largely unvalidated. We combined a quantifi cation of two habitat types, a manipulation of foraging ability (feather-clipping just prior to nestling rearing), multiple baseline plasma GC measures, and multi-year reproductive monitoring to experimentally examine the linkages between habitat quality, GCs, and fi tness in female tree swallows Tachycineta bicolor . Control females experiencing the higher early-season food resources of inland -pasture habitat laid larger clutches, but fl edged an equal number but lower mass off spring compared to those in riparian -cropland habitat. Despite these diff erences in reproductive success, females nesting in the two habitat types did not diff er in baseline GC levels at the early-or late-breeding stage. Feather-clipping reduced provisioning rate in both habitat types. However, baseline GC levels were aff ected in a habitat-specifi c way; only individuals in inland-pasture habitats showed an increase in GCs. Despite this diff erence in GC levels, the manipulation did not infl uence off spring mass, reproductive output, adult return rate (a proxy for survival) to the following year, or reproductive success in the subsequent year. Nonetheless, regardless of treatment, individuals with higher GC levels during the late breeding stage returned in the following year with higher GC levels at incubation, indicating a long-term eff ect on future GC levels. Our results indicate that environmental changes (e.g. foraging conditions) can have consequences for body condition, behaviour, and current and future baseline GC levels without concomitant infl uences on fi tness, and that diff erences in fi tness components between habitats may not be refl ected in baseline GC levels. Th ese results illustrate that baseline GCs may not simultaneously refl ect environmental quality and fi tness, potentially limiting their application in ecological and conservation settings.

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Effects of anthropogenic noise on endocrine and reproductive function in White's treefrog,Litoria caerulea

Cited by 23 publications

References 62 publications

Stress and Auditory Responses of the Otophysan Fish, Cyprinella venusta, to Road Traffic Noise

Stress and Auditory Responses of the Otophysan Fish, Cyprinella venusta, to Road Traffic Noise

Effects of traffic noise on the calling behavior of two Neotropical hylid frogs

Do baseline glucocorticoids simultaneously represent fitness and environmental quality in a declining aerial insectivore?

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