Environment studies Unit-I for B.Com, BBA, BA, B,Sc - I year, B.Tech
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Oct 24, 2019
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About This Presentation
Environment, EVS, Non-Renewable resources, Renewable resources, ECOSYSTEM, living/biotic component, ‘keystone’ species., PRODUCERS, CONSUMERS AND DECOMPOSERS, FOOD CHAINS, FOOD WEBS AND ECOLOGICAL PYRAMIDS, ENERGY FLOW IN THE ECOSYSTEM, Water cycle, Carbon cycle, Oxygen cycle, Nitrogen cycle an...
Environment, EVS, Non-Renewable resources, Renewable resources, ECOSYSTEM, living/biotic component, ‘keystone’ species., PRODUCERS, CONSUMERS AND DECOMPOSERS, FOOD CHAINS, FOOD WEBS AND ECOLOGICAL PYRAMIDS, ENERGY FLOW IN THE ECOSYSTEM, Water cycle, Carbon cycle, Oxygen cycle, Nitrogen cycle and Energy cycle, Biodiversity, HOTSPOTS OF BIODIVERSITY, CONSERVATION OF BIODIVERSITY, Ex-situ conservation, RAINWATER HARVESTING, WATERSHED MANAGEMENT, Causes, Effects & Control measures of Air Pollution, Solid Waste Management, Incineration, Vermi – Composting, Global warming, Ozone layer depletion, DISASTER MANAGEMENT: FLOODS, EARTHQUAKES, CYCLONES, THE WILDLIFE PROTECTION ACT, FOREST CONSERVATION ACT, THE WATER (PREVENTION AND CONTROL OF POLLUTION) ACT, THE AIR (PREVENTION AND CONTROL OF POLLUTION) ACT, Women and Child Welfare.
Size: 953.71 KB
Language: en
Added: Oct 24, 2019
Slides: 68 pages
Slide Content
What is Environment ?
•ThetermisderivedfromaFrenchword
‘Environ’whichmeansENCIRCLE.
•ScientificallyEnvironmentmeansallofthe
outsideforces,events,andthingsthatactona
thing.Theenvironmentiseverythingthatis
aroundsomething.
1
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
????
WHY WE HAVE TO STUDY
‘ENVIRONMENTAL
STUDIES’
????
2
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
Definition
•Environmental studies deals with every issue that
affects an organism.
•Itisessentiallyamultidisciplinaryapproachthat
bringsaboutanappreciationofournaturalworld
andhumanimpactsonitsintegrity.
4
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•Non-Renewable resources, such as minerals and
oil are those which will be exhausted in the
future if we continue to extract these without a
thought for subsequent generations.
•Renewable resources, such as timber and water,
are those which can be used but can be
regenerated by natural processes such as
regrowth or rainfall.
6
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
Importance
•It is an integration of several subjects that
include both Science and Social Studies.
•Weliveinaworldinwhichnatural
resourcesarelimited.Water,air,soil,
minerals,oil,theproductswegetfrom
forests,grasslands,oceansandfrom
agricultureandlivestock,areallapartof
ourlifesupportsystems.
7
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•Ecosystems are divided into terrestrial or land
based ecosystems, and aquatic ecosystems in
water.
•Allthelivingorganismsinanarealivein
communitiesofplantsandanimals.Theyinteract
withtheirnon-livingenvironment,andwitheach
otheratdifferentpointsoftimeforalarge
numberofreasons.
10
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
The living community of plants and
animals in any area together with
the non-living components of the
environment such as soil, air and
water, constitute the
ecosystem.
11
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
FOOD CHAINS, FOOD
WEBS
AND
ECOLOGICAL
PYRAMIDS
16
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
The food chains
•Whenherbivorousanimalsfeedon
plants,energyistransferredfromplants
toanimals.
•Carnivorousanimalsfeedonotherliving
organisms.
17
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
The food webs
•Inanecosystemthereareaverylargenumberof
interlinkedfoodchains.Thisformsafoodweb.
18
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
The ecological pyramids
•Theproducers,utilizeenergydirectlyfromsunlight
andconvertitintomatter.Alargenumberofthese
organismsformthemostbasic,orfirst‘trophic
level’ofthefoodpyramid.
•Theherbivorousanimalsthateatplantsareatthe
secondtrophiclevel.
19
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•The predators that feed on them form the third
trophic level.
•Only a few animals form the third trophic level.
20
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
ENERGY FLOW
IN THE
ECOSYSTEM
21
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
CONSERVATION OF BIODIVERSITY
In-situconservation:
•Biodiversity at all its levels can be best preserved In-
situ by setting up ‘Protected Areas’ like National
Parks and Wildlife Sanctuaries.
•species cannot be protected individually as they are
all inter dependent on each other. Thus the whole
ecosystem must be protected.
35
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•There are 589 Protected Areas in India of which 89
are National Parks and 500 are Wildlife Sanctuaries.
•Examples:TheGreatHimalayanNationalPark,
DachigamSanctuary,KazirangaNationalPark,
ManasSanctuary,DesertNationalPark,Gir
Sanctuaryetc,.
36
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•Allowing grasses and shrubs to grow and by
planting trees which hold the soil and prevents it
from being washed away.
•several small check dams are built which together
hold back larger amounts of water.
41
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
Causes, Effects & Control measures of Air
Pollution
•Airpollutionbegantoincreaseinthebeginningof
thetwentiethcenturywiththedevelopmentofthe
transportationsystemsandlarge-scaleuseofpetrol
anddiesel.
•Pollutionduetoauto-exhaustremainsaserious
environmentalissue.
42
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
FOREST CONSERVATION ACT
•Forest Conservation Act of 1980, which
was amended in 1988.
•The Act gave the Government and Forest
Department the power to create Reserved Forests,
and the right to use Reserved Forests for
Government use alone, the use of resources by
local people was controlled.
58
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•In 1992, the 73rd and 74th Amendments to the
Constitution furthered governance through
panchayats. It gives States the ability to provide
power to the local panchayats to manage local
forest resources.
•The Forest Conservation Act of 1980 was enacted to
control deforestation.
59
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•Penalties for offences in Reserved Forests:
No person is allowed to make clearings or set fire
to a Reserved Forest.
Cattle are not permitted to trespass into the
Reserved Forest.
collecting any forest product is punishable with
imprisonment for a term of six months, or with a
fine which may extend to Rs.500, or both.
60
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
THE WATER (PREVENTION AND CONTROL OF
POLLUTION) ACT
•TheGovernmenthasformulatedthisActin1974to
beabletopreventpollutionofwaterbyindustrial,
agriculturalandhouseholdwastewaterthatcan
contaminateourwatersources.
•The main objectives of the Water Act are to provide
for prevention, control and abatement of water
pollution.
61
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•The Central Government and State Governments
have set up Pollution Control Boards that monitor
water pollution.
•An individual or organization that fails to comply
with the directions given in the subsections of the
law can be convicted or punished with
imprisonment for a term of three months or with a
fine of Rs.10,000 or both and in case failure
continues an additional fine of Rs.5,000 everyday.
62
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
THE AIR (PREVENTION AND CONTROL OF
POLLUTION) ACT
•The Government passed this Act in 1981 to clean up our air
by controlling pollution.
•Pollution Control Boards (PCBs) have been set up by
Government to measure pollution levels in the atmosphere
and at certain sources by testing the air.
•The presence of pollution beyond certain limits due to
various pollutants discharged through industrial emission
are monitored by the Pollution Control Boards set up in
every State.
63
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
HUMAN RIGHTS
•Several environmental issues are closely
linked to human rights. These include the
equitable distribution of environmental
resources, the utilization of resources and
Intellectual Property Rights (IPRs).
64
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•Environmental issues are closely linked to human
rights:
Equity
Nutrition, health and human rights
Intellectual Property Rights
65
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
Women and Child Welfare
•Womenconstitute48percentofthetotal
populationofthecountry.
•Thedevelopmentofwomenhasbeenreceiving
attentionoftheGovernmentofIndiafromtheFirst
Plan.
•In1953,theCentralSocialWelfareBoardwassetup
whichactsasanApexBodyattheCentreto
promotevoluntaryactionatvariouslevels,
especiallyatthegrassroots,totakeupwelfare-
relatedactivitiesforwomenandchildren.
66
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•In 2
nd
to 5
th
Plans priority was given to women’s
education, and launching measures to improve
material and child health services, supplementary
feeding for children and expectant and nursing
mothers.
•The Sixth Plan adopted a multi-disciplinary
approach with special emphasis on the three core
sectors of health, education and employment.
67
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT
•Examples of Schemes for Women and Child:
Swayamsidha
Swashakti Project
Child Development Services Scheme (CDS)
Swavlamban
Rashtriya Mahila Kosh
Swadhar
68
BALASRI PRASAD KAMARAPU
M.B.A, NET, (Ph.D)
LECTURER IN MANAGEMENT