Australian region among zoogeographical regions pdf

Description of Australian region regarding the zoogeography.

1. ORIENTALREGION

2. ORIENTALREGION

3. ORIENTALREGION
ThisregionincludesIndiansub-continentCeylonBurma
Philippines.FormosaandScatheChina,formtheNorth
ofthisregionHimalayasarepresent.
On theWest of it Arabian sea is present. IntheSouth
eastcorner physical boundaryisabsent. Thisregion
includes 4 subregions.
Thisregionshowstropicalandtemperatezones.Inthe
NorthEastAsiarainforestispresenttowardsthewest
desertispresent.
Theremainingpartshowsplainsandrivershencethis
regionshowdifferenttypesofconditions.Hencemore
vegetationispresentandmorefaunaisseen.
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5. GeographicalRanges
It includes Pakistan,India, SoutheastAsia
(Afghanistan,Nepal,Burma,Thailand, Vietnam,
Taiwan,Malaysia) thePhilippines,and western
Indonesia(Sumatra, Java,Borneo).
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6. Physical Features
Itis separatedfrompalaeartic by Himalayasin
north and boundedby Indian oceanand Pacific
ocean.
Thereis no physical boundaryin southeast
corner.
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•NorthernIndian is chieflycomposedof
plains withscatteredtrees & bushes.
grassy
•Thenorthwest isoccupiedby deserts, while
southern portion is more rich in vegetation&
forest.
Srilanka,Malaysia, Indonesia &Indochinese
regions arealmost entirely coveredwith thick
tropicalforests.
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7. Four Sub Region
Indiansub-region
OfOriental
1.
2.Ceylon sub-region
3.Indo-Chinasub-region
4.Indo-Malayansub-region

8. IndianSub-Region
ItincludesNorth IndiaandCentral part.It
startsfrom the rootof Himalayaandextend
uptoMalabar Coast.This regionshows plains
anddeserts. It shows temperate and tropical
conditions.
Inthisregion Antelopes, Peacock,Indian
Bison,BlackElephant,Equusandsome
importantsnakes arepresent.
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9. CeylonianSub-Region
ItincludesCeylon, SmallIndianPeninsula.•
•Itshows Loris, Elephants,Equas,Rat,
BandicootsandSnakes.
Loris Equus Bandicoots

10. Indo-China SubRegion
ItincludesChinasouth of Palaearcticregion.
Itincludes Gibbons,Lemurs,Rhinoceros,
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Salamanders,Disctonguedfrogsarepresent.
Gibbons Rhinoceros

11. Indo-Malayan Sub Region
ItincludesMalayanpeninsulaand
surroundingIslands.
This region supports 132 familiesof fauna
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Gibbon,Rhinoceros,Badger, Broadbillsetc.
areverycommoninthisregion.
Badger Broad bills

12. Climatesof orientalregion
The temperatureismainlytropical, insummer
thetemperatureis upto 30Cinmost areas
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while in autumnandspringit is from 10-20
Inthe eastern part of the region,from the
Northeastern cornerof India,Burma, Indo-
Chinaetc,thereismuchrain forest.
Highmountainswith rich plantcoverfrom
Burma toChinaandEastern Himalayas.
C.
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13. Fauna of orientalregion
The faunaof Oriental region shows
resemblancesthatof Ethiopianregion.
some Zoogeagraphicts have attempted
place EthiopianandOriental regions in
PalaeoTropical region.
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Hence
to

14. Fishes inoriental region
Fishfaunaof Oriental region will resemble•
thatof Ethiopianregion.Oriental fishfaunais
dominatedby CarpsandCatfishes.
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4.
Notopteridae
Anabantids
Syngnathus
Cypsilurus

15. Notopteridae Syngnathus
Anabantids Cypsilurus

16. Amphibiansin orientalregion
TailedAmphibiansarevery rare, onlyone
genusisrepresentedTylptotritonverrucosus.
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Anura andApoda
1.Rana species
Amphibiansaremore.
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8.
Hyla
Rhacophorus
Buffonids
Discoglossids
lcthyophis
Uraeotyphlus
members
Gegenophisetc

18. Reptilesinorientalregion
Many reptilesareseenin this region. This faunaIs•
dominatedby lizards,snakes,turtlesandCrocodiles.
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9.
Gavialis
Gecko (Flying Lizard)
Chameleon
Varanus(Indian
Python
Typhlops
Testudo
Cobra etc
MonitorLizard)
In thisregion
exclusive.
Xenopeltidae,Uropeltidaeforms are

20. Birdsin
Inthisregion 66
included.
oriental region
• familiesofBirdsare
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Honey Guides
WoodPecker
Horn bill
Pea-cocketc

22. Mammalsin orientalregions
This region includes•
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30mammalianfamilies.
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Shrews
Rabbit
Canis
Cat
Aye-aye(Hyaena)
6. Bears
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Equus
Rhinoceros
9.Greatapeslike Orangutan,Gibbon Gorilla,
ChimpanzeeAlirus (HimalayanPander)
10.Camel•
•In thisregion treeShrews,flying lemurs,Indian
areexclusive.
Bisons

24. Affinitieswith Ethiopianregion
The freshwaterfishesof oriental region are
rich and dominantassemblage.
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•Oriental amphibiansandreptilesarepartly
like andunlikethe Ethiopianones.
The noteabale differences arethatOriental
region lacks Pipids,Pelomedusids,
leptotyphlopidsetc.
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•Andhas very few Chameleons,Gerrhosaurids,
AmphisbaenidsandCordylidlizards.

25. •While it hasPelobatid frogs,Emydineturtles,
Gavials,Uropeltids, Ilysiids,Colubridsand Pit
vipers.
Oriental birdsarestronglyEthiopianintheir
mainrelationship.
Oriental mammalsarerather strongly
Ethiopianin general.
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