The collembola Lobella sokamensis juvenile as a new soil quality indicator of heavy metal pollution |
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| Institution: | 1. Université de Toulouse, INP-ENSAT, Av. Agrobiopôle, 31326 Castanet-Tolosan, France;2. UMR 5245 CNRS-INP-UPS, EcoLab (Laboratoire d’écologie fonctionnelle et Environnement), Avenue de l’Agrobiopôle, BP 32607, 31326 Castanet-Tolosan, France;3. Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Université de Toulouse, CNRS, IRD, 14 Avenue E. Belin, F-31400 Toulouse, France;4. STCM, Société de Traitements Chimiques des Métaux, 30 Avenue de Fondeyre, 31200 Toulouse, France;5. Certop UMR5044-Centre d’Etude et de Recherche Travail, Organisation, Pouvoir, France;1. College of Earth Sciences, Jilin University, Changchun 130061, China;2. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China;3. USDA, Forest Service, Southern Research Station, Center for Forest Disturbance Science, Athens, GA 30602, USA;1. State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100000, China;2. College of Water Sciences, Beijing Normal University, Beijing, 100875, China;1. Programa de Pós-Graduação em Ciência do Solo (PPGCS), Santa Catarina State University (UDESC), College of Agriculture and Veterinary (CAV), 88520-000, Lages, SC, Brazil;2. Programa de Pós-Graduação em Ecossistemas Agrícolas e Naturais (PPGEAN), Federal University of Santa Catarina, 89520-000, Curitibanos, SC, Brazil;3. Embrapa Uva e Vinho, BR 285, Km 115, POB 177, 95200-000, Vacaria, RS Brazil;1. Dep. of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, 88520-000, Lages, SC, Brazil;2. Federal University of Fronteira Sul, Av. Fernando Machado 108 E, 89802112, Chapecó, SC, Brazil;3. Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, 3000-456, Coimbra, Portugal;4. Centro de Educação Superior Do Oeste, Santa Catarina State University, Beloni Trombeta Zanin, 680-E, 89815-630, Chapecó, SC, Brazil;1. State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Beijing, 100085, China;2. Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen, 361021, China;3. University of the Chinese Academy of Sciences, 19A Yuquan Road, Beijing, 100049, China |
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| Abstract: | We propose Lobella sokamensis Deharveng and Weiner, 1984 juvenile as a new soil quality indicator to assess heavy metal polluted soils. L. sokamensis is a collembola commonly found with earthworms, and it plays a key role in decomposing dead earthworms. The soil quality assessment of cadmium (Cd), copper (Cu), antimony (Sb), and zinc (Zn) on the survival of L. sokamensis adults were performed in artificial soil. The LC50 values for L. sokamensis adults exposed to Cd, Cu, Sb and Zn for 5 days were calculated to be 4729, 4472, 4702, and 2521 mg kg?1, respectively. L. sokamensis juveniles (10–12 days) were also exposed to Cd, Cu, Sb, and Zn, and 5 days-LC50 values for Cd, Cu, Sb, and Zn were 282, 229, 447, and 163 mg kg?1, respectively. Both adult and juvenile survivals of L. sokamensis in metal spiked soil were inhibited. We found that the soil quality assessment using L. sokamensis juveniles were sensitive enough to evaluate soil pollution, compared to conventional Folsomia candida assay which is widely used. In addition, L. sokamensis has advantage for easy detection in soil due to the big and orange-colored body. The 5 days-soil quality assessment using L. sokamensis juveniles appears to be rapid protocols for the collembola assay. This is the first report on the collembola assay of heavy metal contaminated soils using the L. sokamensis as a soil indicator. |
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