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Behavioural assays are used as a tool to understand ecotoxicological effects on organisms, but are often not applied in an ecologically relevant context. Assessment of the effect of chemical contaminants on behaviours relating to fitness and trophic interactions for example, requires incorporating predator-prey interactions to create impact assessments. Dichlorodiphenyltrichloroethane (DDT) is a controlled...
Silver (Ag) nanoparticles (NPs), gold (Au) NPs, and silver–gold (Ag–Au) bimetallic nanoparticles (BNPs) were synthesized by use of golden rod leaf extracts. Aqueous solutions of the precursor compounds HAuCl4·xH2O and AgNO3 were mixed individually and jointly with aqueous extract of golden rod leaf and heated with stirring at 80 °C for 1 h. There were observed periodic changes in color which indicate...
The transition from a planktonic larval stage to a benthic or demersal juvenile stage, “recruitment”, is a crucial event in the life history of coral reef fishes, and has a strong influence on population size. Predation by piscivorous fishes is thought to be the main determinant of recruitment success, and has received the most attention. However, recent studies suggest that recently settled reef...
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