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PRESENTATION
PRESENTED BY: Tayyaba Latif
 At the University of Freiburg in Germany a
team of biologists is growing moss in a
controlled environment.
 Mosses are especially well suited as bio-
indicators for airborne contaminants as they
have no roots and a very high surface –to-
mass ratio .
 Mosses are used to fight air pollution because
by mass they have a huge surface area.
 So because of its huge surface area it can
clean dirt particles out of the air.
 Mosses are non-vascular plants that act as
natural air filters against trace elements
present in air.
 To survive they accumulate trace elements
from atmosphere.
 In this way they are able to accumulate and
retain air pollutants.
 By using spores scientists grow new plants in
the laboratories.
 These spores of moss help to monitor the
levels of nitrogen and sulfur oxides in the air.
 The moss plants are transferred to air-
permeable bags then moved to monitoring
stations where they absorb pollutants from
the air.
 The leafy surface of moss plant is capable of
hoarding huge amount of polluting agents
such as Carbon dioxide and nitrogen oxide.
 Moss plants also generate oxygen and they
cool the surrounding air thus lowering the
amount of pollutants present in the air.
Thank you 

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Plant Sciences

  • 3.  At the University of Freiburg in Germany a team of biologists is growing moss in a controlled environment.  Mosses are especially well suited as bio- indicators for airborne contaminants as they have no roots and a very high surface –to- mass ratio .
  • 4.  Mosses are used to fight air pollution because by mass they have a huge surface area.  So because of its huge surface area it can clean dirt particles out of the air.  Mosses are non-vascular plants that act as natural air filters against trace elements present in air.
  • 5.  To survive they accumulate trace elements from atmosphere.  In this way they are able to accumulate and retain air pollutants.
  • 6.  By using spores scientists grow new plants in the laboratories.  These spores of moss help to monitor the levels of nitrogen and sulfur oxides in the air.  The moss plants are transferred to air- permeable bags then moved to monitoring stations where they absorb pollutants from the air.
  • 7.  The leafy surface of moss plant is capable of hoarding huge amount of polluting agents such as Carbon dioxide and nitrogen oxide.  Moss plants also generate oxygen and they cool the surrounding air thus lowering the amount of pollutants present in the air.