Topic
Trace metal
About: Trace metal is a research topic. Over the lifetime, 5125 publications have been published within this topic receiving 181046 citations.
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TL;DR: The levels of trace metals and organochlorine residue were determined in red mullet (Mullus barbatus) in the framework of a MED-POL II Project for the Aegean Sea during 1994-1998 and are similar to the results in fish from Mediterranean countries.
103 citations
TL;DR: Comparing metal concentrations in algae among the studied sampling stations clearly indicates that the degree of accumulation depends not only on human activities but also on the geology of the specific area, and it is important to take account of a region's geology before attempting to interpret the data.
103 citations
TL;DR: The nature of interactions varies considerably with concentration levels, soil pH, soil texture, level of soluble Ca in soil, presence of salinity, differential distribution in soil of the metals present in toxic quantities, presence or absence of chelating agents, soil organic matter levels, and other factors as discussed by the authors.
Abstract: Whenever land becomes contaminated with trace metals, most always two or more of the trace metals are in excess simultaneously. Nearly all of the baseline studies of metal excesses, however, have been made with single metals, and such studies do not accurately reflect the critical response levels. Various critical points can shift due to interactions. Analytical data must be obtained for as many as 20 different elements and their differential distribution among various plant parts, including roots, must be known to gain even a partial understanding of the interactions. Positive and negative synergisms, competition, protection, and sequential additivity are observed among the interactions. The nature of interactions varies considerably with concentration levels, soil pH, soil texture, level of soluble Ca in soil, presence of salinity, differential distribution in soil of the metals present in toxic quantities, presence or absence of chelating agents, soil organic matter levels, and other factors. ...
102 citations
TL;DR: Levels in the fish tissue were within ranges reported elsewhere for Lake Tanganyika fish species, and lead and cadmium levels were much lower than those reported for Lake Malawi sediments.
102 citations
TL;DR: In this paper, the authors determined the regions of metal accumulation within the wheat plant and compared metal uptake by plants receiving a high metal load through the application of contaminated sewage sludge with that by plants received a commercial fertilizer and a metal-free control.
102 citations