Ecotoxicology

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Seasonal changes of metal accumulation and distribution in common club rush (Schoenoplectus lacustris) and common reed (Phragmites australis)
Ecotoxicology - Tập 16 - Trang 457-463 - 2007
Fatih Duman, Mehmet Cicek, Goksal Sezen
In this study, two aquatic macrophytes Phragmites australis and Schoenoplectus lacustris and corresponding sediment samples were collected every three months from Lake Sapanca (Turkey) and analysed for their heavy-metal contents (Pb, Cr, Cu, Mn, Ni, Zn and Cd). Accumulation factor ratios of plant parts were calculated for all metals, and the two species were compared in terms of accumulation prope...... hiện toàn bộ
Breeding near a landfill may influence blood metals (Cd, Pb, Hg, Fe, Zn) and metalloids (Se, As) in white stork (Ciconia ciconia) nestlings
Ecotoxicology - Tập 23 - Trang 1377-1386 - 2014
Irene de la Casa-Resino, David Hernández-Moreno, Antonio Castellano, Marcos Pérez-López, Francisco Soler
Cadmium, lead, mercury, selenium, iron, zinc and arsenic levels were measured in blood samples from 59 free-ranging white stork nestlings from colonies located in three different environmental conditions in Western Spain. The reference colony was situated in “Llanos de Cáceres y Sierra de Fuentes”, an Area of Special Interest for Bird Protection. A second colony was located close to (4.9 km) an ur...... hiện toàn bộ
Source and trophic transfer of mercury in plankton from an ultraoligotrophic lacustrine system (Lake Nahuel Huapi, North Patagonia)
Ecotoxicology - Tập 23 - Trang 1184-1194 - 2014
Andrea Rizzo, Marina Arcagni, Linda Campbell, Neža Koron, Majda Pavlin, María A. Arribére, Milena Horvat, Sergio Ribeiro Guevara
The incorporation and trophic transfer of total and methyl mercury (THg, MeHg) were examined in three size classes of plankton (10–53, 53–200, and >200 μm size range) and a small planktivorous fish, Galaxias maculatus, from the large multi-branched Lake Nahuel Huapi (North Patagonia, Argentina). Three sites representing a large range of lake benthic–pelagic structures (based on depth and shoreline...... hiện toàn bộ
Individual and combined toxic effects of herbicide atrazine and three insecticides on the earthworm, Eisenia fetida
Ecotoxicology - Tập 25 - Trang 991-999 - 2016
Yanhua Wang, Xuehua An, Weifeng Shen, Liezhong Chen, Jinhua Jiang, Qiang Wang, Leiming Cai
In the present study, we evaluated the individual and combined toxic effects of herbicide atrazine and three insecticides (chlorpyrifos, lambda-cyhalothrin and imidacloprid) on the earthworm, Eisenia fetida. Results from 48-h filter paper test indicated that imidacloprid had the highest toxicity to E. fetida with an LC50 of 0.05 (0.041–0.058) μg a.i. cm−2, followed by lambda-cyhalothrin and atrazi...... hiện toàn bộ
Application of a novel method PCR-ligase detection reaction for tracking predator—prey trophic links in insect-resistant GM rice ecosystem
Ecotoxicology - Tập 20 - Trang 2090-2100 - 2011
Kai Li, Junce Tian, Qinxi Wang, Qiang Chen, Mao Chen, Huan Wang, Yuxun Zhou, Yufa Peng, Junhua Xiao, Gongyin Ye
Insect-resistant genetically modified (IRGM) rice is on the verge of commercial release in China, however, its potential non-target effect on non-target insect natural enemies remains controversial. Tracking trophic interactions between predators and preys in IRGM rice ecosystem can provide new insights into better understanding of the ecological risks of IRGM rice. In the present study, a novel m...... hiện toàn bộ
The combined toxicity assessment of carp (Cyprinus carpio) acetylcholinesterase activity by binary mixtures of chlorpyrifos and four other insecticides
Ecotoxicology - Tập 23 - Trang 221-228 - 2013
Chen Chen, Yanhua Wang, Xueping Zhao, Qiang Wang, Yongzhong Qian
Mixtures of organophosphate (OP) and carbamate (CB) insecticides are commonly detected in freshwater habitats. These insecticides inhibit the activity of acetylcholinesterase (AChE) and have potential to interfere with behaviors that may be essential for survival of species. Although the effects of individual anticholinesterase insecticides on aquatic species have been studied for decades, the com...... hiện toàn bộ
Microbial availability of mercury: effective detection and organic ligand effect using a whole-cell bioluminescent bioreporter
Ecotoxicology - Tập 24 - Trang 2200-2206 - 2015
Xianghua Xu, Kathryn Oliff, Tingting Xu, Steven Ripp, Gary Sayler, Jie Zhuang
A luxCDABE-based genetically engineered bacterial bioreporter (Escherichia coli ARL1) was used to detect bioavailable ionic mercury (Hg(II)) and investigate the effects of humic acids and ethylenediaminetetraacetic acid (EDTA) on the bioavailability of mercury in E. c oli. Results showed that the E. c oli ARL1 bioreporter was sensitive to mercury, wi...... hiện toàn bộ
Toxicity of perfluoroalkyl substances (PFAS) toward embryonic stages of mahi-mahi (Coryphaena hippurus)
Ecotoxicology - Tập 31 - Trang 1057-1067 - 2022
Kiflom Y. Gebreab, Daniel Benetti, Martin Grosell, John D. Stieglitz, J. P. Berry
Perfluoroalkyl substances (PFAS) are highly persistent organic pollutants that have been detected in a wide array of environmental matrices and, in turn, diverse biota including humans and wildlife wherein they have been associated with a multitude of toxic, and otherwise adverse effects, including ecosystem impacts. In the present study, we developed a toxicity assay for embryonic stages of mahi-...... hiện toàn bộ
An environmental forensic approach for tropical estuaries based on metal bioaccumulation in tissues of Callinectes danae
Ecotoxicology - Tập 25 - Trang 91-104 - 2015
Isabella C. A. C. Bordon, Jorge E. S. Sarkis, Nathalia P. Andrade, Marcos A. Hortellani, Deborah I. T. Favaro, Mauricio H. Kakazu, Marycel E. B. Cotrim, Raquel T. Lavradas, Isabel Moreira, Tatiana D. Saint’Pierre, Rachel Ann Hauser-Davis
The blue crab Callinectes danae is distributed throughout the Atlantic coast and this study aimed to evaluate a environmental forensics approach that could be applied at tropical estuarine systems where this species is distributed, based on the metal concentrations in its tissues. For this purpose, blue crab samples were collected in 9 sites (distributed in 3 areas) along the Santos Estuarine Syst...... hiện toàn bộ
So sánh độc tính sinh thái của các dạng đơn và hỗn hợp nhị phân của nickel và zinc đối với sự phát triển và các chỉ số sinh học của Lemna gibba Dịch bởi AI
Ecotoxicology - Tập 28 - Trang 686-697 - 2019
R. S. Martinez, M. E. Sáenz, J. L. Alberdi, W. D. Di Marzio
Mục tiêu của nghiên cứu này là so sánh độc tính sinh thái của nickel (Ni) và kẽm (Zn) được thử nghiệm như các chất riêng lẻ và như một hỗn hợp nhị phân. Ngoài ra, nghiên cứu xem xét việc tăng trưởng dân số và các chỉ số stress oxy hóa bị ảnh hưởng ra sao, so sánh giữa sự tiếp xúc đơn và hỗn hợp nhị phân. Các bài kiểm tra độc tính được thực hiện trên cây Lemna gibba sử dụng bài thử kéo dài 7 ngày. ...... hiện toàn bộ
#độc tính sinh thái #nickel #kẽm #hỗn hợp nhị phân #chỉ số sinh học #Lemna gibba
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