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… down the food chain, i.e., whether top of the food chain species are most affected, causing a ripple down effect to lower trophic level species, or whether changes in lower trophic level species will lead to disturbances in the viability of higher …

… It falls within the tropical rainforest zone with various species of the mangrove swamp vegetation, although the … ascribed to the following reasons: • Only seven indicator PCBs were used in the standard for this analysis; … phenyl, methyl polysiloxane) connected to the ECD. Some indicator PCB congeners recommended by USEPA were analyzed …