Determination of Toxic and Trace Elements in Water Sediment and Vegetation in Topcamp Stream
Bibliographic record
Abstract
Human activities have continuously disturbed the natural aquatic ecosystem. The objective of the study was to determine some trace elements concentrations in water, sediments and vegetations in the impacted Topcamp stream. The study area lies between Latitudes 07°25'30'' N to 07°25'50'' and Longitude 003°2'00'' to 003°55'50'' E, a 3 km stretch of freshwater within metropolitan city. Single grab of surface water and sediment samples on sequential sites were studied. Vegetation samples, syndrella modiflora, were collected in the vicinity of the stream and analyzed. Results showed that the cation ions Ca and K were in excess of normal good quality water. The values of As, Cu, Cr, Fe and Zn were generally low and below the European Commission and WHO guidelines of drinking water quality. The trace elements concentration in the sediments, As, Cr, Cu, Fe, and Zn were elevated relative to water concentrations. The element concentrations in plant, syndrella nodiflora showed high moderate of Ca and Mg, low of As, Cr, P and Cd. Lead and Cd were below detection limit in water and sediment. When the sediment level of elements were compared to that of water, it is obvious that the residue levels of all heavy metals decreased indicating some capacity for assimilation.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".