aquatic microbiology by asar khan
TRANSCRIPT
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Aquatic Microbiology
Asar Khan (M.Sc Zoology)
AWKUM Buner
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INTRODUCTION Study of microorganisms and their communities
in water environment.
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WATER MICROBIOLOGY the study of microorganisms in potable
or drinking water.
No pathogens No chemicals No taste No odor No color No harm to human health
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AQUATIC ENVIRONMENTS(1) Marine Ecosystem plants and animals interact with the
chemical and physical features of the environment.
aquatic areas of life, They can be oceans, ponds , marshes, lagoons, or any area with water that supports life.
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(2) Fresh Water Ecosystem
factors, including temperature , light penetration, and vegetation.
Only 3% of the world's
99% of this is either frozen in glaciers and pack ice or is buried in aquifers.
The remainder is found in lakes, ponds, rivers, and streams.
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SCOPE wide and includes the habitats like Planktons live in water column incapable of swimming crucial source of food to
large aquatic organisms, such as fish and whales.
Benthos community of organisms which live on, in,
or near the seabed also used in freshwater biology food sources for the benthos are algae Organisms such as sea stars, oysters,clams,
sea cucumbers, brittle stars
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Microbial mats a multi-layered sheet of microorganisms,
mainly bacteria and archaea. Temp from –40°C to 120°C industrial uses for water treatment
and for cleaning up pollution.
Biofilm group of microorganisms in which
cells stick to each other on a surface. 5 stages of development
Initial attachment: Irreversible attachment: Maturation I: Maturation II: Dispersion:
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FOUND IN
lakes, rivers , streams, seas , rain, snow &
Groundwater.
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NUTRIENT CYCLES IN AQUATIC ENVIRONMENTS
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WATER-BORNE PATHOGENS Bacteria Virus Protozoa Helmiths Spirochete Rickettsia Algae
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DISEASES CAUSE BY BACTERIA
Enteritis, diarrhea, and dysentery Campylobacter - Cholera Cholera - E. coli 0157:H Salmonella Shigella
Enteric fever Typhoid Paratyphoid
Paralysis Botulism
Eye, ear, and skin infections Miscellaneous bacteria
Urinary tract infections E. coli - Others
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DISEASES CAUSES BY VIRUSES
Enteritis, diarrhea, and dysentery Rotavirus Norwalk
Flu like (liver damage) Hepatitis A Hepatitis E
Paralysis Polio
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DISEASES CAUSES BY PROTOZOA
Giardia • Giardiasis
(beaver fever , inf GIT)
Cryptosporidium • Cryptosporidia
(short term intestine inf)
Amoeba • Amoebiasis, or Amebiasis
(GIT infection)
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Round worm• Trichinosis• heartworm disease
Tape worm• Cysticercosis
Hook worm• Anemia
Whip worm• trichuriasis
DISEASES CAUSES BY HELMINTHES
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Algae Mycrocystis Dinoflaggelates
oFungi Blastomycosis
Water-related diseases Malaria Schistosomiasis Yellow fever Dengue fever
OTHERS
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removing undesirable chemicals, biological contaminants, suspended solids and gases from contaminated water.
WATER PURIFICATION
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WATER PURIFICATION BUT HOW?
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MEMBRANE ULTRAFILTRATION
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WASTE WATER MANAGEMENT
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SAVE WATER SAVE LIFE &SAVE THE WORLD
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TH
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K YO
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