biological biodiversity of benthic invertebrates in yousifia drain canal-iraq
TRANSCRIPT
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22.l*lando H.I.&Fen4 S.V.,199E, Benthicinvertebrate distribution in the Son Joaquinriver, California ia relation to physical andchemical frctors. CanJ.Fish.Aquat.Sci., 55 :
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13. Edmondson, W.T. l9i9,FreshwaterBiologt. 2d ed John Wiley and Sons-Inc,New York: l248pp.
14. Brinkhurst, R.O. l982lrnis& and othermeine and eslu0ine Oligochaeta.Cambridge University Pr€ss: l27pp.
15. Pennak, R.W.197& Freshwqterinvertebrates of the United States. 2d ed.John Wiley and Sons , New Yorlq 387pp.
16. Cho, K.J.l99l, Spatial and temporaldistribution of Phytoplanlaonic andperiphytic diatom assemblages of NabongRiver esluqry. The Kor. J. Phycol., 6(l):47-53.
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19. Al - tami. A. A. ; Jaweir,H. J.&Nahast, M . R . 199E' Benlhic iwertebrdescommuni|t of the river Euphrates Upstreamand down stream sectors of all Qadbia damlraq. Reg.Riv. l2 (4): 383-390.
20. Kassim, T.I.:Jaweir, H.J.; Muften, F-S.; Al-Maliky, S.K.& Nasha8r, M.R. lgyllBenthicFawn Tigris River,lragi. J. Coll. Educe. forWomen, Univ, Baghdad.Vol.8 (2): 167-170.
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recolo bain Panens in E llyporlEic Zoneol o grater Stean, Limnol. Oceanogr.45(4):1000-100s.
2. Aston, kf l973,Field ond experimennlsdies on tlv efecls of power srationetluent on Tubifuidae(Olignhaera:Amelida). Hydrobiolog;a 42:225:242.
3. Chapman, P.M. & Brinkhurst, R. O.1981 'Seasonal changes in interstitial sali ities
and seasonal movements of subtidal benthicinvertebrates in lhe Fraser rrver, BritishColumbia. Coastal and Shelf. Sci., l2:49-56.
4. Verschuren, D.J.; Tibby, K.Sabbe &RobertsN. 2000,Efec* of dep a Salinityand substrole on the invertebtale commmilyof the flrctuating tropical lakc. Ecolory, 8l(l):16+182.
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Taxa
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Cryptochironomus sp.
Microtendips sp.
Order : ColeopteraFamily :Dytiscidae(puPae)Order: EphemeropteraEphemerella dorisOrder: HemepteraOrder: Odonata
Class: CrustaceaOrder :Ostracoda
Clpris sp.
Phylum : MolluscaClass: GastropodaLy,tnnaea meagasomaPlrysa gyinaPleurocera acutaTropicobis hovanensisClass : PelecypodaCorbicula fiumineaI
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Phylum: Annelida
Class: OligochaetaFamily:NaididaeNais communisN. elinguisParanai sp.Pristina aequisetaP.brevisetaP.longisetaP.osborniImmature Naididae
Farnily :Tubificidae
Branchiura sowerbyiLimno dr ilus cl apar e di anusL.hoffmisteriTubif* tubifixImmature Tubificidae
Phylurn:ArthropodaClass: lnsectaOrder:DipteraFamily: TabanidaeCltrysopus sp. (larvae)Cbrysopus sp. (pupae)Tabanus atratusFamily: Chironomidae
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AbstrectThe ecology and bio-diversity of benthic Invertebrates were studied at Al-
Yosifea drainage canal, northern part of Mean drain River, South of lraq. Monthlysamples were collected during the period from Sep. 2001-Aug. 2002. About 35 taxa
ofbenthic invertebrates were identified belonged to tns€ct larvae, Oligochaeta and
Mollusc4 They formed 16, t3, 5 taxa respectively and one to(a belonged to
Ostracoda. Results showed the community was dominated by Oligochaete worms(0/&.487> fallowed by lnsect larvae (0/o21.684), Mollusca (%8.19) and Ostracoda
iy'S.Aql. The maximum total density recorded during Jan. 2002 (5663 lndJm)whereai, the minimum total density recorded during July 20OZ (265 Ind./m') . The
total density of benthic invertebrate observed along the study period was 23617
Ind./m2 with bio-diversity 0. I 9 I 3.
l 189
Proceeding of j'd scientific conference of the College of Science,24 to 26 March 2009.
University of Baghdad
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AbstractThe ecology and biodiversity of benthic Invertebrates were studied at Al-
Yosifea drainage canal, northern part of Mean drain River, south of lraq. Monthlysamples were collected during the period from Sep. 2001-Aug. 2002. About 35 taxa
ofblnthic invertebrates were identifie4 belonged to Insect larvae, Oligoctraeta and
Mollusca, They formed 16, 13, 5 taxa respectivety and one tsxa belonged to
kacoda. Results showed the community was dominated by Oligochrete worms
(0/64.487) fallowed by Insect lartae (o/o2l.6lt4), Mollusca (o/o8.19) and Ostracoda
i'tS.U). The maximum total densiry recorded during Jan- 2Oo2 (5663 |rd;m)whereas, the minimum total density recorded during July 2W2 Q65lndrhl ' The
total density of benthic inverrcbrate observed along the study pcriod was 23617
tnd./m2 with biodiversity 0.1913.
180 ,
I