2008
DOI: 10.1007/s00128-008-9460-3
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Multivariate and Geoaccumulation Index Evaluation in Mangrove Surface Sediment of Mengkabong Lagoon, Sabah

Abstract: Spatial variations in estuarine intertidal sediment have been often related to such environmental variables as salinity, sediment types, heavy metals and base cations. However, there have been few attempts to investigate the difference condition between high and low tides relationships and to predict their likely responses in an estuarine environment. This paper investigates the linkages between environmental variables and tides of estuarine intertidal sediment in order to provide a basis for describing the ef… Show more

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Cited by 50 publications
(25 citation statements)
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“…The results of this techniques have been used for several purposes: i) to distinguish among sources of elements [10,19]; ii) to identify zones with different pollution levels within a contaminated site [15][16][17]24 ]; iii) to study the chemical behaviour of main properties and element fractions [12,14,20,23]; iv) to study soil-plant relationships [11,18]; v) to distinguish soils from different areas [22] or the variations of chemical composition along a sediment core [13]; vi) to evaluate the characteristics of extractants [21]; vii) to better interpret the results of PCA [25] or compare the performances of different algorithms [26]. Examples of these applications are discussed hereafter.…”
Section: Applicationsmentioning
confidence: 99%
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“…The results of this techniques have been used for several purposes: i) to distinguish among sources of elements [10,19]; ii) to identify zones with different pollution levels within a contaminated site [15][16][17]24 ]; iii) to study the chemical behaviour of main properties and element fractions [12,14,20,23]; iv) to study soil-plant relationships [11,18]; v) to distinguish soils from different areas [22] or the variations of chemical composition along a sediment core [13]; vi) to evaluate the characteristics of extractants [21]; vii) to better interpret the results of PCA [25] or compare the performances of different algorithms [26]. Examples of these applications are discussed hereafter.…”
Section: Applicationsmentioning
confidence: 99%
“…The PCA score and loading plot for the same samples have been shown in Part I [9]. Praveena et al [23] applied HCA separately to data on mangrove sediment samples collected at low and high tide (see also Part I) [9]. In both cases, two clusters of variables were observed, but with different degrees of similarity.…”
Section: Applicationsmentioning
confidence: 99%
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“…However, the EF values for Pb, V, in the vegetable soil and river sediment show moderate enrichment (EF, 2-5). For Pb this could indicate contribution from both human activities (agrochemicals and leaded petrol from vehicles) and natural sources (volcanic ash) as noted by [15,29]. The low EF values for Zn, Cu, Ni, Cr, and Sr are classed as depletion to minimal enrichment, suggesting that no environmental problem exists.…”
Section: Enrichment Factors (Ef)mentioning
confidence: 95%
“…The role of trace elements in the soil system is becoming an issue of global concern, at both private and governmental levels, since soil constitutes a crucial component of rural and urban environments and constitutes a very important "ecological crossroad" in the landscape [15]. Vegetable crops cultivated in soils polluted with toxic and heavy metals may take up such metals and accumulate them in their edible and non-edible parts in quantities high enough to cause clinical problems in animal and human consumers [16].…”
Section: Introductionmentioning
confidence: 99%