Wetlands of India - Calcutta (Wetlands) Harike (Lake) Hokera (Wetland) Kanjli Keoladeo (National Park) ... Wetlands are among the most productive ecosystems in ...

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  • 5/3/11 1

    Wetlands of IndiaPresentation by Maneka Mirchandaney, Std XII, Mallya Aditi International School,

    BangaloreDesign assistance by Thara Thomas

  • What is a wetland?

    WetlandsareinterfacebetweenTerrestrialandaquaticecosystems.ItisanareaoflandwhosesoilisSaturatedwithmoistureeitherpermanentlyorforalongenoughseasoneveryyeartosupportaquaticplants.

    Wetlandsareecosystemswhoseformation,processesandcharacteristicsaredeterminedbywater.

    Theyhavebeencalledthe'nature'skidneys'becausetheycleanseourenvironment.

    Wetlandsarenotnecessarily"wet"allyearround

  • Facts About Wetlands

    33

    Wetlandsaretypicallylowlyingareas

    Theycanbecoastalorinland

    Floodplains,swamps,marshes,mangrovesdeltasandlakesaresometypesofwetlands.

    Apaddyfarmisalsoawetland

    Theycanbenaturalormanmade

    Wetlandscancontainfreshwater,saltwater,orbrackish(acombinationofthetwo)

  • 44

    Some important wetlands

    in India

    Ashtamudi (Wetland)Bhitarkanika (Mangroves)

    Bhoj (Wetland)Chandertal (Wetland)

    Chilika (Lake)Deepor Beel

    East Calcutta (Wetlands)Harike (Lake)

    Hokera (Wetland)Kanjli

    Keoladeo (National Park) Kolleru (Lake)Loktak (Lake)

    Point Calimere (Wildlife and Bird Sanctuary)Pong Dam (Lake)

    Renuka (Lake)Ropar

    Rudrasagar (Lake)Sambhar (Lake)

    Sasthamkotta (Lake)Surinsar Mansar (Lakes)

    TsomoririVembanad-Kol (Wetland)

    Wular (Lake)Upper Ganga River (Narora to Brijghat stretch)

  • 55

    Importance of wetlands

    Many species of birds and mammals rely on wetlands for food, water, and shelter, especially during migration and breeding.

    They provide rich habitat for an immense variety of species of microbes, plants, insects, amphibians, reptiles, birds, fish, and mammals.

    Wetlandsareamongthemostproductiveecosystemsintheworld,comparabletorainforestsandcoralreefs.

  • 66

    Uses of wetlands

    Thinkofawetlandasahugesponge

    Wetlandsstorewaterwhenitisinexcessandreleaseittothegroundduringdryperiods

    Thishelpsinrechargeanddischargeofgroundwater

    Theyassistinfloodcontrol

    Theyreducethemomentumofwaterasitflowstoariverorastream,therebyreducingsoilerosion

    Theyarealsoimportanttothenutrientcycle.

    water management

  • 77

    Uses of wetlands

    Wetlandsplantsandsoilstorecarboninsteadofreleasingittotheatmosphereascarbondioxide.Thustheyhelpmoderateglobalclimate

    Mangrovescanprotectshorelinesfromstrongwindsandcanreducetheimpactofhurricanesandtsunamis

    Plantsthatgrowinwetlandsareveryeffectiveinfilteringoutwaterpollution

    Manywetlandsremovepollutantsfromsurfacerunoffandsmallstreams.

    Wetlandshelpretainsedimentsandincreasesoilfertility

    environmental

  • 88

    Uses of wetlands

    Wetlandsprovidelivelihoodsbybeingasourceof(Consumptiveuse)

    Theycanalsoberecreationspaces(nonconsumptiveuses)

    AgriculturalproduceCraftmaterialstimberproductionMedicinalplantsFishingHunting

    Wetlandsprovideopportunitiesforhumanstoenjoyoutdooractivities,suchascanoeing,fishing,andbirdwatching.

    economic

  • Contaminantsandsedimentsarefiltered.

    Providescriticalwildlifehabitat

    Cleanerwateroutflow

    Howwetlandswork

  • Threats to wetlands Natural

    Drought

    Overgrazingbywildlife

    Naturaldisasterslikehurricanesandfloods

  • Threats to wetlands Anthropogenic

    1.Development

    Drainingoutwetlandsforconstruction

    Dammingthemtoformlakesorponds

    Divertingwaterflow

    2.Pollution

    4.Globalwarming

    3.Sandandgravelmining

    5.Acidrain

  • 1212

    The Convention on Wetlands -- called the "Ramsar Convention" was signed in Ramsar, Iran, in 1971.

    An intergovernmental treaty - embodies the commitments of its member countries to plan for the "wise use", or sustainable use, of all of the wetlands in their territories.

    Ramsarconvention

  • DO A PROJECT

    SHOW IT TO YOUR CLASS

    TALKTOTHEOW NEROFAW ETLAND

    ORGANIZEAFIELDTRIP

    Takeaninitiative,talktotheownersofawetlandonpreservingthem.

    Organizeaclassfieldtriptoawetland(preferablyadestroyedone)andexplainaboutthehistoryofthewetlandandwhyitwasdestroyed.

    MAKESUREYOURHOUSEISNTBUILTONWETLAND

    What can we do?

  • Quiz master

    Hi! Im the quiz master! Click on the button with the right

    answer. Good luck!

  • Which of these is NOT a use of wetlands?Q. 1

    To clean the environment

    Sedimentation of rocks

    Swimming and other sports

  • Quiz master

    W rong!!!!!!!!!

    Sorry!The right answer is Swim m ingandother

    watersports.

  • Quiz master

    Correct!!!!!!!!!

    Woohoo!That is right!

    Congratulations!

  • Which fact about a wetland is right?Q. 2

    A wetland always has a pH level above 9.5

    There is always shellfish in a wetland

    A wetland is a low area where the land is filled with water

  • Quiz master

    W rong!!!!!!!!!

    Sorry!The right answer is Awetlandisalowareawherethelandisfilledwithwater.

  • Quiz master

    Correct!!!!!!!!!

    Woohoo!That is right!

    Congratulations!

  • What is NOT a way to help increase awareness about wetlands?

    Q. 3

    Play games on the computer

    Do a project on wetlands

    Organize a field trip to a wetland

  • Quiz master

    W rong!!!!!!!!!

    Sorry!Thatiswrong!TherightanswerisPlaygam esonthecom puter.

  • Quiz master

    Correct!!!!!!!!!

    Woohoo!That is right!

    Congratulations!

  • What is a good pH level for a wetland?Q. 4

    4.0 7.5 9.5

  • Quiz master

    W rong!!!!!!!!!

    Sorry!Thatiswrong!Therightansweris7.5

    7.5

  • Quiz master

    Correct!!!!!!!!!

    Woohoo!That is right!

    Congratulations!

    7.5

  • Which one of these is NOT a type of wetland?Q. 5

    Marsh Reservoir Swimming pool

  • Quiz master

    W rong!!!!!!!!!

    Sorry!Thatiswrong!TherightanswerisSwim m ingpool

  • Quiz master

    Correct!!!!!!!!!

    Woohoo!That is right!

    Congratulations!

  • Activities

    Divide your class into groups of not more than 5 people each.

    Use the facts on the next page (note : some of them are false) and give each group a few facts, equal amounts of true and false.

    Each group in turn says one fact. After they say it, someone from another group has to say whether the fact is true or false.

    If he/she is right, the team gets a point. If he/she is wrong, they lose a point. The team with the most points wins.

    Step 1

    Step 2

    Step 3

    Here is an activity you can do in class

    file:///mnt/ubdoffice1/slide31.xml

  • FactsThewaterhyacinthisaplant

    ThewatershouldhaveapHlevelbetween6.5and8.5

    Mangrovesaregrovesofmangotrees.Ifthewaterisacidicthenitishardforanimalstolive

    Awetlandisalwaysnatural

    Wetlandsalwayshavesaltywater

    Wetlandsprovideagoodhabitatforanimals

    Reedscanbefoundinwetlands

    Buildingahouseonawetlandisgood.

    Thesearejustafewfactsthatyoucanuse,whynottrymakingsomemore?

    4.0isagoodpHlevelforawetland

    True

    False

  • 3232

    B A S I R I R O M O S T K V U

    L K W D E E P O R B E E L S P

    O I A L I K A P O N G D A M O

    S N O E D A L O E K E S M Z I

    U A M E S N O R W U T A B A N

    R K M C T O K S X H R P R U T

    E R X B A M T U A K I L I H C

    L A A S H T A M U D I U L R A

    L T Y J D A K T Z O Y R J P L

    O I O I F O R R E R A S N H I

    K H A T T U C L A C T S A E M

    B B O T G L Q L S P E Q K S E

    W E A E H J U V D M O W C O R

    S T C A I W P Y A H A R I K E

    L O K D A N A B M E V I A M Y

    Ashtamudi,Bhitarkanika,Bhoj,Chilika,DeeporBeel,EastCalcutta,Harike,Kanjli,Keoladeo,Kolleru,Loktak,PointCalimere,PongDam,Ropar,Sambhar,Sasthamkotta,Tsomoriri,VembanadKol,Wular

    Canyounamethestateswherethesewetlandsarefound?

    Findthefollowing:

    A word search on Ramsar sites in India

  • 3333

    A word search on Ramsar sites in India answers

  • Thank you!

    Watchingthisslideshowwillnotonlyhelpyou,butcanhelpotherpeople,animalsandplants.Itcanhelptheenvironment,butyouneedtostartandsetthetrend.Letotherpeopleknowaboutthedestructionofwetlands.MAKEADIFFERENCE!

    Nowthatyouknowaboutwetlands,takeastepforwardanddosomething!(Seeslide13forideas)

    file:///mnt/ubdoffice1/slide13.xml

  • 3535

    http://upload.wikimedia.org/wikipedia/commons/thumb/8/86/Wetland_restoration_in_Australia.jpg/800pxWetland_restoration_in_Australia.jpg

    http://upload.wikimedia.org/wikipedia/commons/d/d6/Wetlands_boardwalk.jpghttp://cdn.wn.com/pd/8a/9b/da2bf7243e0118fed8e1fdd2716d_grande.jpghttp://www.sptimes.com/2006/03/31/images/stateswamp.jpghttp://en.wikivisual.com/images/7/72/Wetland500.JPGhttp://www.flickr.com/photos/bobistraveling/3686484594/http://farm2.static.flickr.com/1041/1415144874_fda75d89f0_b.jpghttp://farm5.static.flickr.com/4041/4682074616_93884810fe_b.jpghttp://farm5.static.flickr.com/4093/4795429521_e0bc52d462_b.jpghttp://farm5.static.flickr.com/4076/4819620871_af19748b11_b.jpghttp://farm4.static.flickr.com/3083/2737372095_d8bc30253d.jpghttp://farm3.static.flickr.com/2529/3749301289_2c8538e404_b.jpghttp://farm1.static.flickr.com/138/376272250_299c283c99_b.jpghttp://farm4.static.flickr.com/3030/2387221908_aa2155c96d_b.jpghttp://farm3.static.flickr.com/2272/2181766735_3f20f3ddb6_b.jpghttp://kids.lovetoknow.com/wiki/Wetlands_for_Kidshttp://assets.panda.org/img/original/wetlandservices.jpghttp://farm1.static.flickr.com/135/317488203_967e4514e6_b.jpghttp://farm4.static.flickr.com/3201/2978989663_ba70aa80e2_b.jpghttp://farm5.static.flickr.com/4049/4276781301_4ec88b01a4_b.jpghttp://earthdimensions.com/mitigation.aspxhttp://clintonschoolblog.com/cblog/wpcontent/uploads/2010/07/wetlands.jpghttp://www.davisexcavating.com/images/lafarge1.jpghttp://farm1.static.flickr.com/147/381634787_f52e84a5af_b.jpg

    http://www.flickr.com/photos/bobistraveling/3686484594/http://kids.lovetoknow.com/wiki/Wetlands_for_Kidshttp://earthdimensions.com/mitigation.aspxhttp://clintonschoolblog.com/cblog/wp-content/uploads/2010/07/wetlands.jpg

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