Trace metal geochemistry in mangrove sediments and their transfer to mangrove plants (New Caledonia)

Interactions Between Environmental Factors and Zinc Concentrations in Porewater and Roots of Rhizophora sp. in Ampallas, Mamuju, West Sulawesi, Indonesia

“…As mention before, there are limited published data on the Zn concentrations in porewater of mangrove ecosystems over the world. The concentrations found in the study sites were higher than that found in New Caledonia where the average concentration was lower than 10 μmol·l−1 (0.6538 mg/L) (Marchand, Fernandez, & Moreton, 2016), or in Sarawak, Malaysia 0.00042-0.0013 mg/L (Billah et al, 2014). In comparison, the concentration of Zn in porewater of Jeneberang estuary, Makassar, Indonesia in West monsoon and East monsoon were 0.051-0.278 mg/L and 0.220-3.526 mg/L, respectively (Najamuddin, 2017).…”

“…Zn bound to organic matter was found in New Caledonia in the anoxic conditions, while it is mainly related with the refractory phase in the suboxic conditions existed in Avicennia and Salicornia stands (Marchand et al 2016). Remobilisation of metals from sediments to porewater can occur through chemical, biological or physical processes (Sullivan and Taylor, 2003).…”

“…Zinc is an essential element for plant growth (Broadley, White, Hammond, Zelko, & Lux, 2007), including mangroves (Marchand, Fernandez, & Moreton, 2016), which becomes one of the important topics studied in mangrove ecosystems. Zinc is involved in various enzymes in higher plants, however, in excessive concentration (i.e.…”

Geochemistry of terrigenous sediments in surface water from ore and okitipupa southwest, Nigeria

“…Trace metals are often housed by soil which are repeatedly leached into the environment (Peizhong et al, 2015;Uwumarongie et al, 2008;Banat et al, 2005;Rafael et al, 2016), materials beneath surface water serve as barometer to survey the pollutant level in aquatic ecosystem (Yang et al, 2009;Safaa, 2015;Pekey et al, 2004). The chemistry of aquatic ecosystem towards the level of pollutants varies, where the amount and nature of pollutant in the seabed will quantify the degree of pollution (Edward et al, 2013;Abida et al, 2009;Verep et al, 2012;Marchand et al, 2016). Therefore, sediment quality data provide essential information for evaluating ambient environmental quality conditions in aquatic ecosystem.…”

“…*Corresponding author e-mail: tf.ediagbonya@gmail.com; tf.ediagbonya@osustech.edu.ng Recently, plethora of researchers have placed emphasis on the pitfalls of elements in the environment (Verep et al, 2012;Marchand et al, 2016;Mouvet et al, 1993;Erno and Gyula, 2003) due to their deleterious effect and capacity to concentrate in the food chain (Safaa, 2015;Agnieszka et al, 2012;Adams et al, 1992;Nsenga et al, 2016). A lot of elements have been fingered as essential elements to the health of both human beings and organisms at minute quantities but harmful at higher quantities.…”