Air quality has been a major health issue in urban areas in recent decades.</span></span><span><span><span style="font-family:""> Human activities release a large number of...Air quality has been a major health issue in urban areas in recent decades.</span></span><span><span><span style="font-family:""> Human activities release a large number of pollutants into the atmosphere which ha</span></span></span><span><span><span style="font-family:"">s</span></span></span><span><span><span style="font-family:""> a direct impact on plant health and lead</span></span></span><span><span><span style="font-family:"">s</span></span></span><span><span><span style="font-family:""> to ecosystem degradation. The objective of this study is to contribute to a better evaluation of the impact of the air quality of the city of Togo on biological resources. The determination of pollutants was done on samples of plant species with a strong link with the source of pollution. The determination of Sulfur dioxide (SO<sub>2</sub>) was done by the ripper method. The determination of carbon and estimation of CO<sub>2</sub> and CO by the colorimetric method. The determination of nitrogen was done by <span>the Kjeldhal method. The results showed that at the industrial level the</span> amount of CO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Alternanthera r</span></i></span></span><span><span><i><span style="font-family:"">e</span></i></span></span><span><span><i><span style="font-family:"">pens</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is high with a value of 53.3911 <span>mg/ml. On the other hand</span></span></span></span><span><span><span style="font-family:"">,</span></span></span><span><span><span style="font-family:""> the quantity of CO in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Senna occidentalis</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is</span></span></span><span><span><span style="font-family:""> 44.3619 mg/ml. In </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Pithecellobium dulce</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:"">,</span></span></span><span><span><span style="font-family:""> the quantity of SO<sub>2</sub> and NO<sub>2</sub> are evaluated respectively to 0</span></span></span><span><span><span style="font-family:"">.</span></span></span><span><span><span style="font-family:"">1588 mg/ml and 0</span></span></span><span><span><span style="font-family:"">.</span></span></span><span><span><span style="font-family:"">3696 mg/ml. Regarding to the dumps, the quantity of CO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Newbouldia laevis</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is very high with a value of 65.8508 mg/ml. On the other hand the amount of CO in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Senna occidentalis</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><i><span style="font-family:""> </span></i></span></span><span><span><span style="font-family:"">is 51.6106 mg/ml. The quantity of SO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Newbouldia laevis</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is 0.2101 mg/ml and NO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Ocimum canum</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is 0.2744 mg/ml. At the level of roads, the quantities of CO<sub>2</sub> and CO in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Eragrostis tenella</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> are very high with values respectively equal to 74.4092</span></span></span><span><span><span style="font-family:""> mg/ml and 62.2654 mg/ml. On the other hand</span></span></span><span><span><span style="font-family:"">,</span></span></span><span><span><span style="font-family:""> the amount of NO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Amaranthus</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> sp is 0.2304 mg/ml and that of SO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Eragrostis Tenella</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is 0.1691 mg/ml. The use of a plant bioindicator sensitive to pollutants, allowed concluding that the air of the city of Lome is polluted. The concentration of <span>carbon dioxide and carbon monoxide is much more evident in return </span></span></span></span><span><span><span style="font-family:"">when </span></span></span><span><span><span style="font-family:"">the </span></span></span><span><span><span style="font-family:"">health of plant species is threatened.展开更多
文摘Air quality has been a major health issue in urban areas in recent decades.</span></span><span><span><span style="font-family:""> Human activities release a large number of pollutants into the atmosphere which ha</span></span></span><span><span><span style="font-family:"">s</span></span></span><span><span><span style="font-family:""> a direct impact on plant health and lead</span></span></span><span><span><span style="font-family:"">s</span></span></span><span><span><span style="font-family:""> to ecosystem degradation. The objective of this study is to contribute to a better evaluation of the impact of the air quality of the city of Togo on biological resources. The determination of pollutants was done on samples of plant species with a strong link with the source of pollution. The determination of Sulfur dioxide (SO<sub>2</sub>) was done by the ripper method. The determination of carbon and estimation of CO<sub>2</sub> and CO by the colorimetric method. The determination of nitrogen was done by <span>the Kjeldhal method. The results showed that at the industrial level the</span> amount of CO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Alternanthera r</span></i></span></span><span><span><i><span style="font-family:"">e</span></i></span></span><span><span><i><span style="font-family:"">pens</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is high with a value of 53.3911 <span>mg/ml. On the other hand</span></span></span></span><span><span><span style="font-family:"">,</span></span></span><span><span><span style="font-family:""> the quantity of CO in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Senna occidentalis</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is</span></span></span><span><span><span style="font-family:""> 44.3619 mg/ml. In </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Pithecellobium dulce</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:"">,</span></span></span><span><span><span style="font-family:""> the quantity of SO<sub>2</sub> and NO<sub>2</sub> are evaluated respectively to 0</span></span></span><span><span><span style="font-family:"">.</span></span></span><span><span><span style="font-family:"">1588 mg/ml and 0</span></span></span><span><span><span style="font-family:"">.</span></span></span><span><span><span style="font-family:"">3696 mg/ml. Regarding to the dumps, the quantity of CO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Newbouldia laevis</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is very high with a value of 65.8508 mg/ml. On the other hand the amount of CO in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Senna occidentalis</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><i><span style="font-family:""> </span></i></span></span><span><span><span style="font-family:"">is 51.6106 mg/ml. The quantity of SO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Newbouldia laevis</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is 0.2101 mg/ml and NO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Ocimum canum</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is 0.2744 mg/ml. At the level of roads, the quantities of CO<sub>2</sub> and CO in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Eragrostis tenella</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> are very high with values respectively equal to 74.4092</span></span></span><span><span><span style="font-family:""> mg/ml and 62.2654 mg/ml. On the other hand</span></span></span><span><span><span style="font-family:"">,</span></span></span><span><span><span style="font-family:""> the amount of NO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Amaranthus</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> sp is 0.2304 mg/ml and that of SO<sub>2</sub> in </span></span></span><span><span><span style="font-family:""><i></span></span></span><span><span><i><span style="font-family:"">Eragrostis Tenella</span></i></span></span><span><span><i><span style="font-family:""></i></span></i></span></span><span><span><span style="font-family:""> is 0.1691 mg/ml. The use of a plant bioindicator sensitive to pollutants, allowed concluding that the air of the city of Lome is polluted. The concentration of <span>carbon dioxide and carbon monoxide is much more evident in return </span></span></span></span><span><span><span style="font-family:"">when </span></span></span><span><span><span style="font-family:"">the </span></span></span><span><span><span style="font-family:"">health of plant species is threatened.
