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Reg.No: 15BIT0257 Date:05-08-2015
Isn’t it wonderful to see that so much diversity has been
created by nature on this earth!
Biodiversity refers to the variety and variabilityamong all
groups of living organisms and the ecosystem complexes in
which they occur.
From the driest to the dense tropical
rainforest and from the high snow-clad mountainpeaks to
the deepest of the oceans. Life occurs in marvellous
spectrum of forms, size, colour and shape. Can we imagine “a
world with few species of living organism that could be
counted on fingertip”. The biodiversityhas been defined as
the variabilityamong living organism from all the source
includinginter alia,terrestrial, marine and other aquatic
ecosystem. This is the diversity of ecologicalcomplexity
showing variationsin ecologicalniches, trophic structure,
Reg.No: 15BIT0257 Date:05-08-2015
food-webs, nutrient cycling etc. Thisdiversity has developed
over millions of years of evolutions.
India’s major biogeographic habitats
Reg.No: 15BIT0257 Date:05-08-2015
VALUE OF BIODIVERSITY
The value of biodiversityof commercial utility, ecological
services, social and aesthetic value is enormous. We get
benefits from other organism in innumerableways.
 Consumptive use value
 As food
 As fuel
 Productive use values (sheep, silk, lumber etc.)
 Social values
 Ethicalvalues
“All life must be preserved”
“Live and let Live”
Reg.No: 15BIT0257 Date:05-08-2015
THREATS TO BIODIVERSITY
Over the last 150 years the rate of extinction has
escalated more dramatically. Extinction is a natural
event and, from a geological perspective, routine. We
now know that most species that have ever lived have
gone extinct. The average rate over the past 200 is 1-2
species per year, and 3-4 families per my. The average
duration of a species is 2-10 million years (based on last
200 million years). There have also been occasional
episodes of mass extinction, when many taxa
representing a wide array of lifeforms have gone extinct
in the same blink of geological time.
If the present trend continues we would lose
1/3rd
to 2/3rd
of current biodiversity by middle of twenty
second century.
Reg.No: 15BIT0257 Date:05-08-2015
Reg.No: 15BIT0257 Date:05-08-2015
 Loss of habitat
 Poaching
 Man-wildlifeconflicts
 Over hunting
 Globalwarming
Deforestation
Reg.No: 15BIT0257 Date:05-08-2015
Conversationof Biodiversity
Conservation is the protection, preservation,
management, or restoration of wildlife and natural
resources such as forests and water. Through the
conservation of biodiversity the survival of many
species and habitats which are threatened due to
human activities can be ensured. Other reasons
for conserving biodiversity include securing
valuable Natural Resources for future generations
and protecting the well-being of eco-system
functions.
A number of measures are now being taken
the world over to conserve biodiversity
including plants and wildlife.
(a)In situ conservation (within
habitat): This is achieved by protection of wild
Reg.No: 15BIT0257 Date:05-08-2015
flora and fauna in nature itself. E.g. Biosphere
reserves, National parks, sanctuaries, Reserve
forest etc.
(b)Ex situ conservation (outside
habitat): This is done by establishment of gene
banks, seed banks, zoos, botanical gardens,
cultures collection etc.
Reg.No: 15BIT0257 Date:05-08-2015
“If this is BIODIVERSITY then we have to save
it”
Submitted by:-
Name : Ratnesh kanungo Reg no. 15BIT0257
About Me:-
I am B.Tech (IT) Student at VIT (Vellore).This is
a simple and short case study about the topic by
me. Please keep tuned with me to know more
about differ topics. You can join me on: -
https://www.facebook.com/?q=#/ratnesh.kanungo
And ask you quires about VIT at: -
https://www.quora.com/profile/Ratnesh-Kanungo

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Biodiversity

  • 1. Reg.No: 15BIT0257 Date:05-08-2015 Isn’t it wonderful to see that so much diversity has been created by nature on this earth! Biodiversity refers to the variety and variabilityamong all groups of living organisms and the ecosystem complexes in which they occur. From the driest to the dense tropical rainforest and from the high snow-clad mountainpeaks to the deepest of the oceans. Life occurs in marvellous spectrum of forms, size, colour and shape. Can we imagine “a world with few species of living organism that could be counted on fingertip”. The biodiversityhas been defined as the variabilityamong living organism from all the source includinginter alia,terrestrial, marine and other aquatic ecosystem. This is the diversity of ecologicalcomplexity showing variationsin ecologicalniches, trophic structure,
  • 2. Reg.No: 15BIT0257 Date:05-08-2015 food-webs, nutrient cycling etc. Thisdiversity has developed over millions of years of evolutions. India’s major biogeographic habitats
  • 3. Reg.No: 15BIT0257 Date:05-08-2015 VALUE OF BIODIVERSITY The value of biodiversityof commercial utility, ecological services, social and aesthetic value is enormous. We get benefits from other organism in innumerableways.  Consumptive use value  As food  As fuel  Productive use values (sheep, silk, lumber etc.)  Social values  Ethicalvalues “All life must be preserved” “Live and let Live”
  • 4. Reg.No: 15BIT0257 Date:05-08-2015 THREATS TO BIODIVERSITY Over the last 150 years the rate of extinction has escalated more dramatically. Extinction is a natural event and, from a geological perspective, routine. We now know that most species that have ever lived have gone extinct. The average rate over the past 200 is 1-2 species per year, and 3-4 families per my. The average duration of a species is 2-10 million years (based on last 200 million years). There have also been occasional episodes of mass extinction, when many taxa representing a wide array of lifeforms have gone extinct in the same blink of geological time. If the present trend continues we would lose 1/3rd to 2/3rd of current biodiversity by middle of twenty second century. Reg.No: 15BIT0257 Date:05-08-2015
  • 5. Reg.No: 15BIT0257 Date:05-08-2015  Loss of habitat  Poaching  Man-wildlifeconflicts  Over hunting  Globalwarming Deforestation
  • 6. Reg.No: 15BIT0257 Date:05-08-2015 Conversationof Biodiversity Conservation is the protection, preservation, management, or restoration of wildlife and natural resources such as forests and water. Through the conservation of biodiversity the survival of many species and habitats which are threatened due to human activities can be ensured. Other reasons for conserving biodiversity include securing valuable Natural Resources for future generations and protecting the well-being of eco-system functions. A number of measures are now being taken the world over to conserve biodiversity including plants and wildlife. (a)In situ conservation (within habitat): This is achieved by protection of wild
  • 7. Reg.No: 15BIT0257 Date:05-08-2015 flora and fauna in nature itself. E.g. Biosphere reserves, National parks, sanctuaries, Reserve forest etc. (b)Ex situ conservation (outside habitat): This is done by establishment of gene banks, seed banks, zoos, botanical gardens, cultures collection etc.
  • 8. Reg.No: 15BIT0257 Date:05-08-2015 “If this is BIODIVERSITY then we have to save it” Submitted by:- Name : Ratnesh kanungo Reg no. 15BIT0257
  • 9. About Me:- I am B.Tech (IT) Student at VIT (Vellore).This is a simple and short case study about the topic by me. Please keep tuned with me to know more about differ topics. You can join me on: - https://www.facebook.com/?q=#/ratnesh.kanungo And ask you quires about VIT at: - https://www.quora.com/profile/Ratnesh-Kanungo