Vindhya institute of technology & science. What is an ECOSYSTEM ? ECOSYSTEM – It is a biological...
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Transcript of Vindhya institute of technology & science. What is an ECOSYSTEM ? ECOSYSTEM – It is a biological...
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Vindhya institute of technology & science
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ecosystem
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Delivered by –Aarti Katariya BE {CS 1} (1 SEM)
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What is an ECOSYSTEM ?
ECOSYSTEM – It is a biological environment consists of all the organism living in a particular area as well as the non living physical component of the environment with which organism interact such as AIR,SOIL,WATER,SUNLIGHT etc.
The term “Ecosystem” was first proposed by A.G Tansley in 1935.
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Types of ecosystem
Natural Artificial
Terrestrial
AquaticAquarium
Crop landGarden
ParkMarinewater
Freshwater
Desert
ForestGrass land
Lentic
Lotic
Sea
Ocean
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Types of Ecosystem
Natural ecosystem
Artificial ecosystem
Terrestrial Ecosystem
Aquatic Ecosystem
Fresh water
Marine water
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NATURAL ECOSYSTEM – Natural ecosystems operate by themselves under natural conditions without any interference by man.Natural ecosystems carry out many public service functions for us. Waste water from houses & industries is often converted to drinkable water by filteration through natural ecosystems such as soils.
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Air pollutions from industries and automobiles are often trapped on leaves or converted to harmless compounds by forests.On the basis of particular type of habitat,they are further sub-divided as:
Terrestrial Ecosystem
Aquatic Ecosystem
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TERRESTRIAL ECOSYSTEM – They are often defined by the vegetation types that dominate the community. Terrestrial vegetation has a rapid exchange of oxygen,water and carbon dioxide. Terrestrial ecosystems include tropical rain forests,grasslands, deserts,cultivated lands, etc.
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Tropical Rain Forest • Precipitation - 250cm/year
•Little temp. variation/abundant moisture •Contains more species than other biomes.
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Deserts Precipitation 20cm/year Dry, spare vegetation; scattered grasses Parts of Africa, Asia, Australia, North America
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Grasslands Precipitation: 10-60cm/year Rich soil; tall dense grasses Central North America; Central Asia
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AQUATIC ECOSYSTEM – They fall into two categories.
1. Fresh water ecosystem – It may be
“LOTIC” (running - water).i.e. – Streams,rivers & springs. OR
“LENTIC”i.e. – Lakes,ponds and swamps.
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Freshwater ecosystem
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Marine ecosystem - It may include deep sea and oceans.
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Artificial ecosystem – They are maintained artificially by man.A pond constructed as part of a waste water treatment plant is an example of artificial ecosystem.In artificial ecosystems, the management can vary over a wide range of actions.Agriculture can be thought of as partial management of certain kinds of ecosystem.
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Example of artificial ecosystem- Aquarium Crop land Garden park
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THANK YOU
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Any Question ???
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ECO PLACE
Sikkim
Kodaikanal
Goa
Kerala
Himalayas
ECO PARKS
Bandhavgarh national park
Kanha national park
Periyar national park
Corbett national park
Flora & Funna
AnimalsMammalsBirds
FloraTreesFlowers
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ECO FLORA
Trees
Banyan tree
Peepal tree
Neem tree
ECO ANIMALS ECO WONDERS
Royal Bengal Tiger
Indian Lion
Indian Rhino
Neelgai Indian deer
Backwaters
Beaches
Caves
Deserts
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Structure of ecosystem - Every ecosystem has two major components.i.e. Abiotic and biotic ABIOTIC COMPONENT- It is the non-living component of the ecosystem and includes:Physical climatic factors such as soil ,temperature,light and water;and
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Chemical factors constituting the inorganic and organic substances.The inorganic substances include C,H,N,K,P,S,etc.that are involved in mineral cycles and are present in an ecosystem at any given time.The organic substances include carbohydrates ,lipids, proteins and humus ,and are present in the biomass or in the environment.
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Biotic component -
It includes all the living organism.1. Producers2.Consumers
Primary consumers or herbivores
Secondary consumers or carnivorous
3. Decomposers