M.Sc. Nursing (2 years) Course Entrance Examinations 2021 ...
Ecosystem IN COMMUNITY M.SC NURSING
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Transcript of Ecosystem IN COMMUNITY M.SC NURSING
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Welcome you all..
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PRESENTED BY: K. S. NituM.Sc. Nursing I yearRoll No.403
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DEFINITIONEcosystem is a community of living organisms in conjunction with the non living components of their environment (water, air & mineral soil) interacting as a system.
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ECOSYSTEM PROCESSEcosystem is controlled by two factors:
External Factors (state factors): control overall structure of ecosystem. Eg. Climate
Internal Factors: in ecosystem not only control ecosystem processes, but are also controlled by them.
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CLASSIFICATION
TERRESTRIAL ECOSYSTEM
AQUATIC ECOSYSTEM
They can be found anywhere apart from heavily saturated place.
They are biggest ecosystem found in a body of water.
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TERESTRIAL ECOSYSTEM
They are broadly classified into: The Forest Ecosystem
The Dessert Ecosystem
The Grassland Ecosystem
The Mountain ecosystem
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AQUATIC ECOSYSTEM
They are two main types:
The Marine Ecosystem
The Freshwater Ecosystem
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FUNDAMENTAL CHARACTERSTICSStructure Living Nonliving
• Process Energy flow Cycling of matter
• Change Dynamic Succession
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Cont….
ABIOTICOrganic
compounds
Inorganic substances
BIOTICAutotrophs
Heterotrophs
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CHANGES IN ECOSYSTEM THAT EFFECT HEALTHUrbanizationIndustrializationDeforestationLand reclamationPollutionPopulation explosionExcess use of resources
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WAYS TO MAINTAIN ECOLOGICAL BALANCEManage Natural Resources carefullyControl PopulationProtect waterRecycleReduction in pollutionPrevent deforestation
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Thank you….