Road salt compromises functional morphology of larval gills in populations of an amphibian

Szeligowski, Richard V.; Scanley, Jules; Broadbridge, C.; Brady, Steven P.

doi:10.1016/j.envpol.2021.118441

Cited by 4 publications

(3 citation statements)

References 74 publications

(68 reference statements)

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“…Te fnal mean weights at salinities of 0 and 5% were comparable at 3.17 and 2. 99 3) and Phase 3 (F � 34.48, df � 8, Table 3).…”

Section: Growth and Survival Rates Of Tailand Frog Tadpolesmentioning

confidence: 96%

“…In addition, Albecker et al [98] demonstrated that ion pumps, glycerol osmolytes, cytoskeletal components, and a suite of other genes are upregulated in response to the salt of tadpoles. Szeligowski et al [99] also demonstrated that salinity induces morphological changes in tadpole gills that reduce the efciency of respiration, osmoregulation, and feeding. Te energetic cost of expressing and maintaining molecular machinery in response to salt is exacerbated by less efcient gill morphology.…”

Section: Growth and Survival Rates During The Tadpole Transition From...mentioning

confidence: 98%

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Effects of Salinity on the Egg Fertilization, Hatching, and Tadpole Growth and Survival Rates of the Thailand Frog (Rana tigerina Dubois, 1981)

Huong,

Huang,

Nam

et al. 2024

Journal of Applied Ichthyology

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We studied the effects of salinity on the egg fertilization, hatching, and tadpole growth and survival rates of the Thailand frog (Rana tigerina Dubois, 1981), an introduced species that is commonly cultured in the Mekong Delta, Vietnam. Salinity levels of 2, 6, and 4% significantly affected the fertilization and hatching rates of the eggs, as well as the tadpole survival rates from the newly hatched to yolk sac exhaustion stages, respectively p<0.05. Notably, during the stage from yolk sac exhaustion to juvenile tadpole, a salinity of 3% resulted in an increase in the final weight of the tadpoles throughout the stage and a significant increase in Phase 1 (the tadpole stage from yolk sac exhaustion to the onset of foreleg emergence) and Phase 2 (the tadpole stage from the onset of foreleg emergence to the onset of hind leg emergence); however, it did not show a significant effect on tadpole survival rates in Phases 1 and 2 of this stage p>0.05. A salinity level of up to 5% showed no significant effect on the growth performance but caused a significant reduction in the survival rates of the tadpoles during this stage. We recommend that the artificial reproduction process of Thai frogs should be performed using salinities of <2%, with salinities of ≤2 and 3% being suitable for rearing tadpoles from the newly hatched to yolk sac exhaustion stage and from the yolk sac exhaustion to juvenile stage, respectively.

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“…Te fnal mean weights at salinities of 0 and 5% were comparable at 3.17 and 2. 99 3) and Phase 3 (F � 34.48, df � 8, Table 3).…”

Section: Growth and Survival Rates Of Tailand Frog Tadpolesmentioning

confidence: 96%

Section: Growth and Survival Rates During The Tadpole Transition From...mentioning

confidence: 98%

Effects of Salinity on the Egg Fertilization, Hatching, and Tadpole Growth and Survival Rates of the Thailand Frog (Rana tigerina Dubois, 1981)

Huong,

Huang,

Nam

et al. 2024

Journal of Applied Ichthyology

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“…tadpoles) are fully aquatic, which makes those life stages more likely to be affected by wetland salinity than terrestrial adults. Sublethal exposure to physiological stressors during larval life stages can slow growth and development because the physiological costs associated with maintaining homeostasis usurps resources for growth and disrupts developmental pathways ( Gomez-Mestre et al ., 2010 ; Burraco and Gomez-Mestre, 2016 ; Hall et al ., 2017 ; Szeligowski et al ., 2022 ). However, many aquatic organisms with complex life histories have evolved different strategies to balance the trade-off between larval growth and development and mortality due to historic selection pressures like pond desiccation and predation ( Albecker et al .…”

Section: Introductionmentioning

confidence: 99%

Responses to saltwater exposure vary across species, populations and life stages in anuran amphibians

Albecker

McCoy

2023

Conservation Physiology

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To predict the impacts of environmental change on species, we must first understand the factors that limit the present-day ranges of species. Most anuran amphibians cannot survive at elevated salinities, which may drive their distribution in coastal locations. Previous research showed that coastal Hyla cinerea are locally adapted to brackish habitats in North Carolina, USA. Although Hyla squirella and Hyla chrysoscelis both inhabit coastal wetlands nearby, they have not been observed in saline habitats. We take advantage of naturally occurring microgeographic variation in coastal wetland occupancy exhibited by these congeneric tree frog species to explore how salt exposure affects oviposition site choice, hatching success, early tadpole survival, plasma osmolality and tadpole body condition across coastal and inland locations. We observed higher survival among coastal H. cinerea tadpoles than inland H. cinerea, which corroborates previous findings. But contrary to expectations, coastal H. cinerea had lower survival than H. squirella and H. chrysoscelis, indicating that all three species may be able to persist in saline wetlands. We also observed differences in tadpole plasma osmolality across species, locations and salinities, but these differences were not associated with survival rates in salt water. Instead, coastal occupancy may be affected by stage-specific processes like higher probability of total clutch loss as shown by inland H. chrysoscelis or maladaptive egg deposition patterns as shown by inland H. squirella. Although we expected salt water to be the primary filter driving species distributions along a coastal salinity gradient, it is likely that the factors dictating anuran ranges along the coast involve stage-, species- and location-specific processes that are mediated by ecological processes and life history traits.

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Can long-term salinity acclimation eliminate the inhibitory effect of salinization on anti-predation defense of Daphnia?

Huang,

Jin,

Sun

et al. 2023

Environ Sci Pollut Res

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Road salt compromises functional morphology of larval gills in populations of an amphibian

Cited by 4 publications

References 74 publications

Effects of Salinity on the Egg Fertilization, Hatching, and Tadpole Growth and Survival Rates of the Thailand Frog (Rana tigerina Dubois, 1981)

Effects of Salinity on the Egg Fertilization, Hatching, and Tadpole Growth and Survival Rates of the Thailand Frog (Rana tigerina Dubois, 1981)

Responses to saltwater exposure vary across species, populations and life stages in anuran amphibians

Can long-term salinity acclimation eliminate the inhibitory effect of salinization on anti-predation defense of Daphnia?

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