Responses to low oxygen conditions in two species of the mud snail Nassarius

Limiting factors to encapsulation: the combined effects of dissolved protein and oxygen availability on embryonic growth and survival of species with contrasting feeding strategies

“…This result is suggesting that embryo growth rate is affected mainly by a reduction in the energy demand led by the lower metabolic rates observed in hypoxia. The oxy-conformer strategy observed in this species, and also in C. coquimbensis, has been observed in other marine gastropods (Kushins and Mangum, 1971;Raghunathan and Ayyakkannu, 1992;Cheung, 1997). However, although it had been described that low levels of oxygen conditions may affect the consumption efficiency of marine invertebrate larvae (Widdows et al, 1989;Wang and Widdows, 1991;Chan et al, 2008), we did not find evidence of this for embryos of C. fornicata feeding on dissolved albumen.…”

Limiting factors to encapsulation: the combined effects of dissolved protein and oxygen availability on embryonic growth and survival of species with contrasting feeding strategies

“…This result is suggesting that embryo growth rate is affected mainly by a reduction in the energy demand led by the lower metabolic rates observed in hypoxia. The oxy-conformer strategy observed in this species, and also in C. coquimbensis, has been observed in other marine gastropods (Kushins and Mangum, 1971;Raghunathan and Ayyakkannu, 1992;Cheung, 1997). However, although it had been described that low levels of oxygen conditions may affect the consumption efficiency of marine invertebrate larvae (Widdows et al, 1989;Wang and Widdows, 1991;Chan et al, 2008), we did not find evidence of this for embryos of C. fornicata feeding on dissolved albumen.…”

Response of the epibenthic macrofaunal community to a strong upwelling-driven hypoxic event in a shallow bay of the southern Humboldt Current System

“…Although there is no specific information about such adaptations to environmental hypoxia in N. gayi and N. dentifer other species of this genus show high tolerance to prolonged hypoxia with very low mortality (e.g. Kushins and Mangum, 1971;Cheung et al, 2008;Liu et al, 2011). This agrees with the spatial distribution of N. gayi and N. dentifer that includes the low oxygen sea bottom commonly found on the shelf off south-central Chile (Gallardo et al, 1995;Carrasco et al, 1999).…”

FACTORS AFFECTING OXYGEN CONSUMPTION IN THE MARINE PULMONATEAMPHIBOLA CRENATA(GMELIN, 1791)

“…As pointed out by Mangum and Van Winkle (1973) few species exactly fit either category. Molluscs range from conformity to regulation (Von Brand and Mehlman, 1953;Bayne, 1967Bayne, , 1971aKushins andMangum, 1971, McMahon, 1973;Mangum and Van Winkle, 1973;McMahon and Russell-Hunter, 1974;Akerlund, 1974;Taylor and Brand, 1975a, b;Bayne et a/., 1976;Bayne and Livingstone, 1977;McMahon and Russell-Hunter, 1978). Bayne (197 la), and Mangum and Van Winkle (1973) put forth means of dealing with these intermediate curves (see results section).…”

Limiting factors to encapsulation: the combined effects of dissolved protein and oxygen availability on embryonic growth and survival of species with contrasting feeding strategies

“…This result is suggesting that embryo growth rate is affected mainly by a reduction in the energy demand led by the lower metabolic rates observed in hypoxia. The oxy-conformer strategy observed in this species, and also in C. coquimbensis, has been observed in other marine gastropods (Kushins and Mangum, 1971;Raghunathan and Ayyakkannu, 1992;Cheung, 1997). However, although it had been described that low levels of oxygen conditions may affect the consumption efficiency of marine invertebrate larvae (Widdows et al, 1989;Wang and Widdows, 1991;Chan et al, 2008), we did not find evidence of this for embryos of C. fornicata feeding on dissolved albumen.…”

Response of the epibenthic macrofaunal community to a strong upwelling-driven hypoxic event in a shallow bay of the southern Humboldt Current System

“…Although there is no specific information about such adaptations to environmental hypoxia in N. gayi and N. dentifer other species of this genus show high tolerance to prolonged hypoxia with very low mortality (e.g. Kushins and Mangum, 1971;Cheung et al, 2008;Liu et al, 2011). This agrees with the spatial distribution of N. gayi and N. dentifer that includes the low oxygen sea bottom commonly found on the shelf off south-central Chile (Gallardo et al, 1995;Carrasco et al, 1999).…”

FACTORS AFFECTING OXYGEN CONSUMPTION IN THE MARINE PULMONATEAMPHIBOLA CRENATA(GMELIN, 1791)

“…As pointed out by Mangum and Van Winkle (1973) few species exactly fit either category. Molluscs range from conformity to regulation (Von Brand and Mehlman, 1953;Bayne, 1967Bayne, , 1971aKushins andMangum, 1971, McMahon, 1973;Mangum and Van Winkle, 1973;McMahon and Russell-Hunter, 1974;Akerlund, 1974;Taylor and Brand, 1975a, b;Bayne et a/., 1976;Bayne and Livingstone, 1977;McMahon and Russell-Hunter, 1978). Bayne (197 la), and Mangum and Van Winkle (1973) put forth means of dealing with these intermediate curves (see results section).…”

Limiting factors to encapsulation: the combined effects of dissolved protein and oxygen availability on embryonic growth and survival of species with contrasting feeding strategies

“…This result is suggesting that embryo growth rate is affected mainly by a reduction in the energy demand led by the lower metabolic rates observed in hypoxia. The oxy-conformer strategy observed in this species, and also in C. coquimbensis, has been observed in other marine gastropods (Kushins and Mangum, 1971;Raghunathan and Ayyakkannu, 1992;Cheung, 1997). However, although it had been described that low levels of oxygen conditions may affect the consumption efficiency of marine invertebrate larvae (Widdows et al, 1989;Wang and Widdows, 1991;Chan et al, 2008), we did not find evidence of this for embryos of C. fornicata feeding on dissolved albumen.…”

Response of the epibenthic macrofaunal community to a strong upwelling-driven hypoxic event in a shallow bay of the southern Humboldt Current System

“…Although there is no specific information about such adaptations to environmental hypoxia in N. gayi and N. dentifer other species of this genus show high tolerance to prolonged hypoxia with very low mortality (e.g. Kushins and Mangum, 1971;Cheung et al, 2008;Liu et al, 2011). This agrees with the spatial distribution of N. gayi and N. dentifer that includes the low oxygen sea bottom commonly found on the shelf off south-central Chile (Gallardo et al, 1995;Carrasco et al, 1999).…”

FACTORS AFFECTING OXYGEN CONSUMPTION IN THE MARINE PULMONATEAMPHIBOLA CRENATA(GMELIN, 1791)

“…As pointed out by Mangum and Van Winkle (1973) few species exactly fit either category. Molluscs range from conformity to regulation (Von Brand and Mehlman, 1953;Bayne, 1967Bayne, , 1971aKushins andMangum, 1971, McMahon, 1973;Mangum and Van Winkle, 1973;McMahon and Russell-Hunter, 1974;Akerlund, 1974;Taylor and Brand, 1975a, b;Bayne et a/., 1976;Bayne and Livingstone, 1977;McMahon and Russell-Hunter, 1978). Bayne (197 la), and Mangum and Van Winkle (1973) put forth means of dealing with these intermediate curves (see results section).…”