acid rain & its effect on vegatation
The impact of acid rain on trees ranges from minimal to severe, depending on the region of the country and on intensity and type of air pollutant. Acid rain, acid fog and acid vapour damage the surfaces of leaves and needles, reduce a tree's ability to withstand cold, and inhibit plant germination and reproduction. Consequently, tree vitality and regenerative capability are reduced. How else does acid rain affect forests? Prolonged exposure to acid rain causes forest soils to lose valuable nutrients. It also increases the concentration of aluminum in the soil, which interferes with the uptake of nutrients by the trees. Lack of nutrients causes trees to grow more slowly or to stop growing altogether. More visible damage, such as defoliation, may show up later. Trees exposed to acid rain may also have more difficulty withstanding other stresses, such as drought, disease, insect pests and cold weather. The ability of forests to withstand acidification depends on the ability of the forest soils to neutralize the acids. This is determined by much the same geological conditions that affect the acidification of lakes. Consequently, the threat to forests is largest in those areas where lakes a
* A JOURNEL WAS KEPT TO NOTE ANY DIFFRENCES IN SIZE, COLOR, & ANY OTHER CHANGES BETWEEN THE TWO GROUPS
Some common words found in the essay are:
TREES SOILS, , ACID RAIN, Quebec Atlantic, DEFINITION Acidity, acid rain, PH LEVEL, sulphur dioxide, sulphuric acid, NATURAL RAIN, RAIN EFFECTS, rain effects, CONTROLS IMPLEMENTED, ENVIROMENT EVERYDAY, acid rain acid, nutrients soil, called acid, called acid rain, acid rain effects, forest soils, rain acid, effects enviroment, exposed acid rain, carbon dioxide, rain effects nutrients,
Approximate Word count = 1689
Approximate Pages = 7 (250 words per page double spaced)
|
