Abstract：
:The toxicity of nonylphenol (NP) to springtails was pronounced at 40 mg/kg dry weight soil, at which no animals survived. Body length and fecundity were the individual life-history traits significantly stimulated by sublethal concentrations of NP during a 64-day experiment. However, the effects of NP on these traits did not result in a statistically significant increase in population growth rate (lambda). Decomposition analysis indicated that fecundity was the main contributor to the (non-significant) changes observed in lambda. However, since the elasticity of fecundity was very low, large changes in fecundity resulted in a minimal effect on lambda. Juvenile survival had the highest elasticity of all traits, but was not affected by NP, and therefore did not contribute to effects on lambda. This study confirms previous studies showing that effects of chemicals on individual life-history traits are attenuated at the population level and that lambda is an appropriate endpoint for ecotoxicological studies.
journal_name
Ecotoxicol Environ Safjournal_title
Ecotoxicology and environmental safetyauthors
Widarto TH,Krogh PH,Forbes VEdoi
10.1016/j.ecoenv.2006.11.005subject
Has Abstractpub_date
2007-07-01 00:00:00pages
369-77issue
3eissn
0147-6513issn
1090-2414pii
S0147-6513(06)00229-6journal_volume
67pub_type
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journal_title：Ecotoxicology and environmental safety
pub_type： 杂志文章
doi：10.1006/eesa.2002.2224
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
pub_type： 杂志文章
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
pub_type： 杂志文章
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journal_title：Ecotoxicology and environmental safety
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journal_title：Ecotoxicology and environmental safety
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