Academic Journal
Ecotoxicological Effects of Potassium Dichromate on the Tadpole Shrimp Triops longicaudatus
| العنوان: | Ecotoxicological Effects of Potassium Dichromate on the Tadpole Shrimp Triops longicaudatus |
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| المؤلفون: | André Carido Pereira, Aurélia Saraiva, Luís Oliva-Teles, Laura Guimarães, António Paulo Carvalho |
| المصدر: | Animals, Vol 14, Iss 3, p 358 (2024) |
| بيانات النشر: | MDPI AG |
| سنة النشر: | 2024 |
| المجموعة: | Directory of Open Access Journals: DOAJ Articles |
| مصطلحات موضوعية: | triops, hexavalent chromium, locomotor behavior, cholinesterase activity, Veterinary medicine, SF600-1100, Zoology, QL1-991 |
| الوصف: | The tadpole shrimp Triops longicaudatus is a freshwater crustacean with fast embryonic and larval development, short life cycle, and high fecundity. They are very active swimmers of a reasonable size, easy to spot and record. Such characteristics make it a promising candidate as an experimental model in ecotoxicology to evaluate the effects of aquatic pollutants, particularly using its locomotor behavior as an endpoint. To evaluate the sensitivity of T. longicaudatus and develop endpoints of interest, we conducted exposure experiments with lethal and sub-lethal concentrations of potassium dichromate, a compound known for its ecotoxicological importance and as a hexavalent chromium source. The endpoints evaluated were mortality, growth, sexual maturation, reproductive output, cholinesterase activity and locomotor/swimming behavior. The 96 h median lethal concentration was found to be 65 µg/L. Furthermore, exposure to potassium dichromate at higher concentrations had a significant negative impact on the growth rate of T. longicaudatus in terms of both body mass and length. The time for maturation was also delayed at higher concentrations. In addition, locomotor behavior allowed for the discrimination of all tested chromium concentrations and the control group and from each other, proving to be the most sensitive endpoint. Overall, the data support the potential of T. longicaudatus as a model for ecotoxicity testing, using apical endpoints with impact at the population level; in particular, results suggest that behavior assessments in this species might be useful for detecting hazardous compounds in environmental monitoring of freshwater ecosystems. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| تدمد: | 2076-2615 |
| Relation: | https://www.mdpi.com/2076-2615/14/3/358; https://doaj.org/toc/2076-2615; https://doaj.org/article/d1e1fb72bdb640f2866591cf243dacfe |
| DOI: | 10.3390/ani14030358 |
| الاتاحة: | https://doi.org/10.3390/ani14030358 https://doaj.org/article/d1e1fb72bdb640f2866591cf243dacfe |
| رقم الانضمام: | edsbas.7EEEEF91 |
| قاعدة البيانات: | BASE |
Full Text Finder | تدمد: | 20762615 |
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| DOI: | 10.3390/ani14030358 |