Physiological effects of cadmium on juvenile Pacific Oysters, Crassostrea gigas, Thunberg ...
1. \Small\" C. gigas spat (2.8 mm) were more sensitive to acute cadmium exposure in seawater than larger spat (3.5 mm) with a 96 hour LCso value of 10.29 and 28.43 mgL-1 total cadmium respectively. 2. Cadmium toxicity to juvenile C. gigas was more closely related to the free cadmium ion concent...
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University Of Tasmania
2023
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ftdatacite:10.25959/23236175.v1 2023-06-11T04:11:08+02:00 Physiological effects of cadmium on juvenile Pacific Oysters, Crassostrea gigas, Thunberg ... Hand, RE 2023 https://dx.doi.org/10.25959/23236175.v1 https://figshare.utas.edu.au/articles/thesis/Physiological_effects_of_cadmium_on_juvenile_Pacific_Oysters_Crassostrea_gigas_Thunberg/23236175/1 unknown University Of Tasmania https://dx.doi.org/10.25959/23236175 In Copyright http://rightsstatements.org/vocab/InC/1.0/ article-journal Text ScholarlyArticle Thesis 2023 ftdatacite https://doi.org/10.25959/23236175.v110.25959/23236175 2023-06-01T12:12:30Z 1. \Small\" C. gigas spat (2.8 mm) were more sensitive to acute cadmium exposure in seawater than larger spat (3.5 mm) with a 96 hour LCso value of 10.29 and 28.43 mgL-1 total cadmium respectively. 2. Cadmium toxicity to juvenile C. gigas was more closely related to the free cadmium ion concentration than to the total cadmium concentration. The 96 hour LCso in terms of free ion concentration was 0.25 and 0.27 mgL-1 for \"small\" and \"large\" spat respectively. 3. EDTA reduced the toxicity of cadmium to C. gigas spat by reducing the external free ion concentration. 4 . Chronic exposure of C. gigas spat to sublethal concentrations of cadmium -retarded growth of both shell and soft tissue; -caused an apparent increase in shell abnormalities; -affected heart contraction rate and caused cardiac arryhthmia; -slowed the rate of filtration of microalgae (spat feed rates); -slowed the behavioural response to tactile and light stimuli; 5. The cadmium bioaccumulation factors of spat exposed to 010 50 and 250 J..lgL-1 ... Thesis Crassostrea gigas DataCite Metadata Store (German National Library of Science and Technology) Pacific |
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Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
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description |
1. \Small\" C. gigas spat (2.8 mm) were more sensitive to acute cadmium exposure in seawater than larger spat (3.5 mm) with a 96 hour LCso value of 10.29 and 28.43 mgL-1 total cadmium respectively. 2. Cadmium toxicity to juvenile C. gigas was more closely related to the free cadmium ion concentration than to the total cadmium concentration. The 96 hour LCso in terms of free ion concentration was 0.25 and 0.27 mgL-1 for \"small\" and \"large\" spat respectively. 3. EDTA reduced the toxicity of cadmium to C. gigas spat by reducing the external free ion concentration. 4 . Chronic exposure of C. gigas spat to sublethal concentrations of cadmium -retarded growth of both shell and soft tissue; -caused an apparent increase in shell abnormalities; -affected heart contraction rate and caused cardiac arryhthmia; -slowed the rate of filtration of microalgae (spat feed rates); -slowed the behavioural response to tactile and light stimuli; 5. The cadmium bioaccumulation factors of spat exposed to 010 50 and 250 J..lgL-1 ... |
format |
Thesis |
author |
Hand, RE |
spellingShingle |
Hand, RE Physiological effects of cadmium on juvenile Pacific Oysters, Crassostrea gigas, Thunberg ... |
author_facet |
Hand, RE |
author_sort |
Hand, RE |
title |
Physiological effects of cadmium on juvenile Pacific Oysters, Crassostrea gigas, Thunberg ... |
title_short |
Physiological effects of cadmium on juvenile Pacific Oysters, Crassostrea gigas, Thunberg ... |
title_full |
Physiological effects of cadmium on juvenile Pacific Oysters, Crassostrea gigas, Thunberg ... |
title_fullStr |
Physiological effects of cadmium on juvenile Pacific Oysters, Crassostrea gigas, Thunberg ... |
title_full_unstemmed |
Physiological effects of cadmium on juvenile Pacific Oysters, Crassostrea gigas, Thunberg ... |
title_sort |
physiological effects of cadmium on juvenile pacific oysters, crassostrea gigas, thunberg ... |
publisher |
University Of Tasmania |
publishDate |
2023 |
url |
https://dx.doi.org/10.25959/23236175.v1 https://figshare.utas.edu.au/articles/thesis/Physiological_effects_of_cadmium_on_juvenile_Pacific_Oysters_Crassostrea_gigas_Thunberg/23236175/1 |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Crassostrea gigas |
genre_facet |
Crassostrea gigas |
op_relation |
https://dx.doi.org/10.25959/23236175 |
op_rights |
In Copyright http://rightsstatements.org/vocab/InC/1.0/ |
op_doi |
https://doi.org/10.25959/23236175.v110.25959/23236175 |
_version_ |
1768386019528278016 |