Effects of cadmium, mercury and lead on the survival and instantaneous rate of increase of Paronychiurus kimi (Lee) (Collembola)

Jino Son; Mun Il Ryoo; Jinho Jung; Kijong Cho

doi:10.1016/j.apsoil.2006.07.002

Effects of cadmium, mercury and lead on the survival and instantaneous rate of increase of Paronychiurus kimi (Lee) (Collembola)

Jino Son, Mun Il Ryoo, Jinho Jung, Kijong Cho

Research output: Contribution to journal › Article › peer-review

47 Citations (Scopus)

Abstract

The invertebrate springtail species Paronychiurus kimi (Lee) was selected for use in toxicity testing because it is more ecologically relevant to Korean soils than Folsomia candida Willem, which is the standard animal for toxicity tests. Responses of P. kimi to cadmium, mercury and lead were evaluated in artificial soils following the standardized ISO protocol. Although, reproduction of P. kimi was not as high as that of F. candida, 30 adults produced at least 200 juveniles over 28 days. For each of the three heavy metals, LC₅₀ and EC₅₀ for reproduction and NOEC and LOEC for the effect on reproduction and instantaneous rate of population increase (r_i) were also estimated. The 7 days LC₅₀ was 532, 3.9 and 1322 mg/kg dry soil for cadmium, mercury and lead, respectively. As exposure time increased from 7 to 28 days, the LC₅₀ values decreased for cadmium but not or only slightly for mercury and lead. The 28 days EC₅₀ was 60.0 for cadmium, 0.23 for mercury and 428 mg/kg for lead. Significant changes in r_i of P. kimi were closely followed by the changes in the sublethal endpoint measured (reproduction) and populations were heading toward extinction (r_i = 0) at concentration of 129, 2.0 and 1312 mg/kg dry soil for cadmium, mercury and lead, respectively. P. kimi was found to be more sensitive to all heavy metals tested than F. candida, confirming its suitability as a bioindicator species for soil toxicological testing in Korea.

Original language	English
Pages (from-to)	404-411
Number of pages	8
Journal	Applied Soil Ecology
Volume	35
Issue number	2
DOIs	https://doi.org/10.1016/j.apsoil.2006.07.002
Publication status	Published - 2007 Feb

Bibliographical note

Funding Information:
This study was financially support by the Korea Institute of Environmental Science and Technology (No. 091-041-012). Special thanks are warranted to Dr. Choi, W.I. who provided valuable comments during this study.

Keywords

Heavy metals
Indigenous species
Population effect assessment
Reproduction
Soil health

ASJC Scopus subject areas

Ecology
Agricultural and Biological Sciences (miscellaneous)
Soil Science

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10.1016/j.apsoil.2006.07.002

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title = "Effects of cadmium, mercury and lead on the survival and instantaneous rate of increase of Paronychiurus kimi (Lee) (Collembola)",

abstract = "The invertebrate springtail species Paronychiurus kimi (Lee) was selected for use in toxicity testing because it is more ecologically relevant to Korean soils than Folsomia candida Willem, which is the standard animal for toxicity tests. Responses of P. kimi to cadmium, mercury and lead were evaluated in artificial soils following the standardized ISO protocol. Although, reproduction of P. kimi was not as high as that of F. candida, 30 adults produced at least 200 juveniles over 28 days. For each of the three heavy metals, LC50 and EC50 for reproduction and NOEC and LOEC for the effect on reproduction and instantaneous rate of population increase (ri) were also estimated. The 7 days LC50 was 532, 3.9 and 1322 mg/kg dry soil for cadmium, mercury and lead, respectively. As exposure time increased from 7 to 28 days, the LC50 values decreased for cadmium but not or only slightly for mercury and lead. The 28 days EC50 was 60.0 for cadmium, 0.23 for mercury and 428 mg/kg for lead. Significant changes in ri of P. kimi were closely followed by the changes in the sublethal endpoint measured (reproduction) and populations were heading toward extinction (ri = 0) at concentration of 129, 2.0 and 1312 mg/kg dry soil for cadmium, mercury and lead, respectively. P. kimi was found to be more sensitive to all heavy metals tested than F. candida, confirming its suitability as a bioindicator species for soil toxicological testing in Korea.",

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author = "Jino Son and Ryoo, {Mun Il} and Jinho Jung and Kijong Cho",

note = "Funding Information: This study was financially support by the Korea Institute of Environmental Science and Technology (No. 091-041-012). Special thanks are warranted to Dr. Choi, W.I. who provided valuable comments during this study. ",

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AU - Ryoo, Mun Il

AU - Jung, Jinho

AU - Cho, Kijong

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N2 - The invertebrate springtail species Paronychiurus kimi (Lee) was selected for use in toxicity testing because it is more ecologically relevant to Korean soils than Folsomia candida Willem, which is the standard animal for toxicity tests. Responses of P. kimi to cadmium, mercury and lead were evaluated in artificial soils following the standardized ISO protocol. Although, reproduction of P. kimi was not as high as that of F. candida, 30 adults produced at least 200 juveniles over 28 days. For each of the three heavy metals, LC50 and EC50 for reproduction and NOEC and LOEC for the effect on reproduction and instantaneous rate of population increase (ri) were also estimated. The 7 days LC50 was 532, 3.9 and 1322 mg/kg dry soil for cadmium, mercury and lead, respectively. As exposure time increased from 7 to 28 days, the LC50 values decreased for cadmium but not or only slightly for mercury and lead. The 28 days EC50 was 60.0 for cadmium, 0.23 for mercury and 428 mg/kg for lead. Significant changes in ri of P. kimi were closely followed by the changes in the sublethal endpoint measured (reproduction) and populations were heading toward extinction (ri = 0) at concentration of 129, 2.0 and 1312 mg/kg dry soil for cadmium, mercury and lead, respectively. P. kimi was found to be more sensitive to all heavy metals tested than F. candida, confirming its suitability as a bioindicator species for soil toxicological testing in Korea.

AB - The invertebrate springtail species Paronychiurus kimi (Lee) was selected for use in toxicity testing because it is more ecologically relevant to Korean soils than Folsomia candida Willem, which is the standard animal for toxicity tests. Responses of P. kimi to cadmium, mercury and lead were evaluated in artificial soils following the standardized ISO protocol. Although, reproduction of P. kimi was not as high as that of F. candida, 30 adults produced at least 200 juveniles over 28 days. For each of the three heavy metals, LC50 and EC50 for reproduction and NOEC and LOEC for the effect on reproduction and instantaneous rate of population increase (ri) were also estimated. The 7 days LC50 was 532, 3.9 and 1322 mg/kg dry soil for cadmium, mercury and lead, respectively. As exposure time increased from 7 to 28 days, the LC50 values decreased for cadmium but not or only slightly for mercury and lead. The 28 days EC50 was 60.0 for cadmium, 0.23 for mercury and 428 mg/kg for lead. Significant changes in ri of P. kimi were closely followed by the changes in the sublethal endpoint measured (reproduction) and populations were heading toward extinction (ri = 0) at concentration of 129, 2.0 and 1312 mg/kg dry soil for cadmium, mercury and lead, respectively. P. kimi was found to be more sensitive to all heavy metals tested than F. candida, confirming its suitability as a bioindicator species for soil toxicological testing in Korea.

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ER -

Effects of cadmium, mercury and lead on the survival and instantaneous rate of increase of Paronychiurus kimi (Lee) (Collembola)

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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