SPATIO-TEMPORAL VARIATION OF ZOOPLANKTON COMMUNITY...
Transcript of SPATIO-TEMPORAL VARIATION OF ZOOPLANKTON COMMUNITY...
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SYDNEY, AUSTRALIA | 14 -18 October 2018 MANAGED BY
SPATIO-TEMPORAL VARIATION OF ZOOPLANKTON COMMUNITY OF THE
HALDA RIVER IN RELATION TO SOME PHYSICO-CHEMICAL FACTORS
DR. MD. MANZOORUL KIBRIA
Professor & Coordinator, Halda River Research Laboratory,
Department of Zoology, University of Chittagong, Chattogram, Bangladesh
Palli Karma-Sahayak
FoundationSUPPORTED BY
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Rivers of BangladeshOrigin of Halda
www.haldariver.org
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Carps Breeding Ground
www.haldariver.org
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www.haldariver.org
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HALDA RIVER
UNIQUE RIVER
HERITAGE
CULTURAL VALUE
UNIQUE HABITAT
OF DOLPHIN
LIFELINE
AS WATER RESOURCES
ENVIRONMENT
NATURAL
GENE BANK
ECONOMIC CONTRIBUT
ION
TRADITION
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The Halda River is the only natural carp spawning ground in
Bangladesh and as a only tidal river in the world. Every year from
this river, fertilized eggs of carps (Rui: Labeo rohita, Catla: Catla
catla, Mrigal: Cirrhinus mrigala and Kali Baush: Labeo calbasu)
are collected by local fishermen and egg collectors between April
and June.
Why is the Halda a Natural Fish Spawning Heritage of
Bangladesh ?
UNIQUE RIVER
www.haldariver.org
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The Halda River is the living natural gene bank andthe sole breeding ground of pure Indian major carpsin Bangladesh. In other sources of the carps, fishesbecome hybrids due to inbreeding problem.
Fingerlings
Fertilized Carps Egg
Continued…..
NATURAL GENE BANK
www.haldariver.org
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The eggs from the Halda play a significant role in thenational economy. Hundreds of egg collectors living on boththe banks of this river collect eggs from April to June andturn the eggs into fry by releasing those into the wellsexcavated on the river banks. Later, these are sold in thelocal markets at high prices.
Continued…..
ECONOMIC CONTRIBUTION
www.haldariver.org
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The Halda River is one of the major sources of fresh water for the port city of
Chittagong. The Chittagong Water Supply and Sewerage Authority supplies
2 million gallons of water daily from this river.
WATER RESOURCES Continued…..
Chittagong Water Supply and Sewerage Authority (WASA)
www.haldariver.org
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DOLPHIN Ganges River Dolphin or
South Asian River Dolphin
Scientific Name:Platanista gangetica
gangetica.
Local Name:
Shushuk
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What's the present status of Halda River?
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Spawning 201821 April 2018
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www.haldariver.org
EGG COLLECTION DATA (2001-2018)
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www.haldariver.org
BIOLOGICAL INDICATORS OF RIVER ECOSYSTEM
Egg Collection
• Egg collectionand
• Fry productiondata (2001-2017)
Water Quality
• DO
• PH
• TDS
• Salinity
• Conductivity
• Alkalinity
• Total Hardness etc.
Aquatic Micro invertebrates
• Zooplankton
• Phytoplankton
• Benthos
Fish Fauna
• Corica soborna
• Labeo rohita
• Catla catla
• Rasborarasbora etc.
Riparian Vegetation
• Keora
• Gewa
• Kakra
• Hargoza
• Hogla etc.
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The main objectives of this study are to-
• Assess the ecological parameters of the Halda River.
• Study the spatio-temporal abundance and diversity of some major
zooplankton groups.
• Assess the existing Physico-Chemical parameters and plankton
population situation, problems and prospects of Halda river
• Provide comprehensive guidelines and suggestions to overcome the
threats.
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Geo-location of the sampling sites
(February 2016- March 2017)
Stations Name of the
Stations
GPS locations
Latitude Longitude
S1 Sartarghat N-22°30'49" E-91°50'44"
S2 Garduara N-22°30'10" E-91°52'7"
S3 Kalurghat N-22°23'59" E-91°53'17"
WATER QUALITY PARAMETERS
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Station wise Zooplankton Abundance
Station name Abundance (ind/m³) Percentage (%)
Sartarghat 402703 35.89
Garduara 379580 33.83
Kalurghat 339836 30.28
35.89%
33.83%
30.28%
SartarghatGarduaraKalurghat
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Season wise Zooplankton Abundance
Season Abundance (ind/m³) Percentage (%)
Pre-monsoon 316343 28.19
Monsoon 307283 27.38
Post-monsoon 334583 29.82
Winter 163910 14.61
27.38%
29.82%
28.19%
14.61%Monsoon
Post-monsoon
Pre-monsoon
Winter
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Dominating Group
0
10
20
30
40
50
60
Copepoda Cladocera Rotifera Ostracoda Others
Sartarghat (%)
Garduara (%)
Kalurghat (%)
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Identified Genus
Rotifera (19) Cladocera (12) Copepoda (4)
Rotaria Asplanchna Diaphanosoma Cyclops
Brachionus Microcodon Alona Diacyclops
Plationus Filinia Oxyurella Mesocyclops
Keratella Testudinella Chydorus Diaptomus
Mytilina Pompholyx Pleuroxus
Anuraeopsis Hexarthra Simocephalus Ostracoda (2)
Monommata Ptygura Daphnia Cypris
Lecane Myersinella Ceriodaphnia Stenocypris
Monostyla Euchlanis Moina
Trichocerca Leptodora
Bosmina
Polyphemus
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What types of Species are found?Rotifera (30) Cladocera (17) Copepoda (10)
Rotaria neptunia Monommata sp. Diaphanosoma brachyurum Cyclops vernalis
Rotaria sp. Lecane bulla Chydorus globosus Cyclops strenuus
Brachionus diversicornis Monostyla bulla Chydorus sphaericus Cyclops scutifer
Brachionus falcatus Trichocerca cylindrica Alona affinis Cyclops varicans
Brachionus havanensis Trichocerca braziliensis Alona intermedia Cyclops sp.
Brachionus angularis Euchlanis triquetra Oxyurella tenuicaudis Mesocyclops leuckarti
Brachionus forficula Asplanchna priodonta Simocephalus vetulus Mesocyclops hyalinus
Brachionus donneri Microcodon sp. Daphnia pulicaria Diaptomus gracilis
Brachionus caudatus Filinia terminalis Daphnia galeata Diaptomus thomasi
Plationus patulus Filinia opolinesis Ceriodaphnia pulchella Diacyclops thomasi
Keratella cochlearis Filinia camascela Moina macrura Ostracoda (2)Keratella valga Testudinella patina Moina macrocopa Cypris sp.
Mytilina mucronata Pompholyx sulcata Moina brachiata Stenocypris sp.
Myersinella sp. Hexarthra intermedia Leptodora kindtii Others (2)
Anuraeopsis navicula Ptygura crystallina Bosmina longirostris Nauplius larva
Pleuroxus sp. Shrimp larva
Polyphemus pediculus
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S1 (Sartarghat)Season/P
arameter
Water
temp(0C)
Transpar
ency (cm)pH
EC
(µs/cm)
TDS
(ppm)DO (ppm)
Alkalinit
y (ppm)TH (ppm)
NaCl
(ppm)
PO4-
3(ppm)
Silica
(ppm)
Pre-
monsoon30.07 23.7 7.13 164 82.33 5.43 50.67 44.67 9.33 109.67 20.83
Monsoon 28.35 30.83 6.79 83.5 41.75 5.14 32.5 33.5 4.5 81.25 18.13
Post-
monsoon25 27.25 7.32 142 71 4.53 54 41 8 91 22.5
Winter 21.6 27.7 7.62 164.67 82 3.67 64.67 58 14.67 106.67 16.67
020406080
100120140160180
Pre-monsoon
Monsoon
Post-monsoon
Winter
Ecological Parameters
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S2 (Garduara)
Season/Par
ameter
Water
temp(0C)
Transp
arency
(cm)
pHEC
(µs/cm)
TDS
(ppm)
DO
(ppm)
Alkalinit
y (ppm)
TH
(ppm)
NaCl
(ppm)
PO4-3
(ppm)
Silica
(ppm)
Pre-
monsoon30.2 25.7 7.07 150 74.67 5.18 62.67 39.33 7.33 95.67 16.67
Monsoon 28.35 30.1 6.83 81 40.5 5.38 34 33.5 4.5 90.5 17.5
Post-
monsoon25.2 24.25 7.18 142 71 4.89 56 41 8 92 22.5
Winter 21.73 29 7.45 155.33 77.67 3.81 63.33 64.67 11.33 100 15.83
0
50
100
150
200
Pre-monsoon
Monsoon
Post-monsoon
Winter
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S3 (Kalurghat)
Season/P
arameter
Water
temp(0C)
Transpare
ncy (cm)pH
EC
(µs/cm)
TDS
(ppm)DO (ppm)
Alkalinit
y (ppm)TH (ppm)
NaCl
(ppm)
PO4-
3(ppm)
Silica
(ppm)
Pre-
monsoon30.33 26.17 7.23 216.67 108.33 4.29 56.67 50.67 44 82 14.17
Monsoon 28.45 26.15 6.95 103.5 51.75 4.7 41.5 36 5.5 67.5 18.75
Post-
monsoon25.4 27 7.31 111 55.5 4.1 52 41 5 74 18.75
Winter 21.93 29.83 7.5 131.33 65.67 3.81 59.33 54 9.33 86.67 15.83
050100150200250
Pre-monsoon
Monsoon
Post-monsoon
Winter
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Correlation Matrix
Parameter/Group Copepoda Cladocera Rotifera Ostracoda Others
Water Temp. 0.633 0.293 0.382 0.124 0.392
Transparency -0.173 -0.382 -0.148 0.102 -0.51
pH -0.673 -0.306 -0.206 -0.27 -0.443
EC -0.163 -0.101 0.04 -0.391 -0.283
TDS -0.16 -0.101 0.041 -0.391 -0.279
DO 0.886 0.579 -0.062 0.015 0.723
Alkalinity -0.43 0.153 -0.275 -0.399 -0.372
TH -0.532 -0.515 -0.324 -0.511 -0.633
NaCl -0.234 -0.311 0.438 -0.114 -0.47
Phosphate 0.328 0.24 -0.808 -0.731 0.135
Silica 0.411 0.785 -0.099 0.293 0.876
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Pre-monsoonCanonical Corresponding Analysis
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Monsoon
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Post-monsoon
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Winter
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Total Zooplankton diversity during different seasons
Cluster Analysis
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FISH FAUNA SURVEY
Method: Interview, primary &
secondary data collection
www.haldariver.org
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Fish fauna survey
Authors Name Year Number of Species
Emran (www.haldariver.org) 2009 76
Azadi et. al. 2011 92 (Fin-fish 83)
Khalil, et. al. 2012 76
Alam et. al. 2013 63
Present Study (Kibria, M. M) 2015 50
www.haldariver.org
0
20
40
60
80
100
Emran, S. M. S.(2009)
Azadi, et. al.(2011)
Khalil, et. al.(2012)
Alam, et. al.(2013)
Present Study(2015)
Num
ber
of
Specie
s
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WATER
WITHDRAWAL
www.haldariver.org
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Field Observations
River grabbing
Cutting ofoxbow bend
Tobacco farming
Water withdrawal
Unplannedconstruction works
Sand lifting
Brood fish
Killing
Pollution
www.haldariver.org
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Halda Rubber Dam at Bhujpur
Construction :2010-2011
Authority: Local Government Engineering Department (LGED)www.haldariver.org
Downstream area of Dam
Upstream area of Dam
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UNPLANNED CONSTRICTION OF SLUICE GATE & DAM
Durang Khal Dam
Mandakini Khal Sluice GateMadari Khal Sluice Gate
www.haldariver.org
Fatickchari Khal Sluice Gate
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POLLUTION
www.haldariver.org
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Anonna Residential Area Halda River
Karnafuli Riverwww.haldariver.org
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Industrial pollutionwww.haldariver.org
ASIAN PAPER MILLSHATHAZARI, CHITTAGONG
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ILLEGAL FISHING OF
BROOD FISH
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June 14,
2011
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Residues of the toxic plant, excessive pesticide from
farmlands flowing into carp-breeding Halda River
Losing fish to tobaccoMarch 29, 2016
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??
??Agriculture
Water
Heritage
Spawning
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Spawning
Heritage
AgricultureDolphin and Gene Bank
Water
Resources
HALDA
RIVER
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Halda River Conservation Committee
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Restoration of the Natural
Breeding Habitats of the Halda
River ProjectObjectives of the Project To develop, protect and conserve the
natural spawning grounds in the Halda
river;
To build up an appropriate institutional
management framework for
conserving natural spawning of the
Halda river through community
participation;
To create, provide and explore
alternate income generating
opportunities during ban season. Project Implementation Period:
July, 2007- June, 2012
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www.haldariver.org
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July 27,
2011
Print Media
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Some Popular TV Programs about Halda
“Ridoye Mati O Manush” on
Channel i“News Hour Xtra” on ATN News
“Desh Jure” on Ekushe Etv “Ittaydi” on Btv
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HALDA MOVIE
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Halda River Research LaboratoryUniversity of Chittagong
Inaugurated 20 August 2017
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THE HALDA RESEARCH LABORATORY HAS THREE PARTS:
• Well equipped Specialized Laboratory
• River Museum and Archive
• Digital Conference Center
THE MAJOR OBJECTIVES OF HRRL ARE:
• To facilitate specialized research like physical, chemical and biological parameters of the
environment and ecosystem of rivers
• To archive Halda River resources, history, culture and heritage
• To develop Halda River indigenous technology
• To checkup Halda River health regularly
• To establish a CENTER OF EXCELLENCE for research on the rivers in Bangladesh
HALDA RIVER RESEARCH LABORATORY
www.haldariver.org
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HALDA RIVER RESEARCH LABORATORYUNIVERSITY OF CHITTAGONG
Signed MoU with Isabela Foundation
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Milestones of Achievements
I have got some recognition of its success…
www.haldariver.org
• Award : National Digital Innovation Award 2011
• Award : National Environment Award 2011
• Award : Best Researcher Award 2011
• Award : The Manthan Award South Asia 2011
• Recognition: “Pride of Chittagong” 2012
• Award : Divisional Environment Award 2013
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UNIVERSITY OF CHITTAGONG
BEST RESEARCHER AWARD 2011
Honorable Vice Chancellor of University of Chittagong Professor
Anwarul Azim Arif giving “Best Researcher Award 2011”
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Pride of Chittagong
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Considering the unique features, the river should declare
as the “National River” of Bangladesh.
Recommendation
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THANK YOU
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“SAVE HALDA RIVER, SAY NO TO DAM & DREDGING”
SYDNEY, AUSTRALIA | 14 -18 October 2018 MANAGED BYPalli Karma-Sahayak
FoundationSUPPORTED BY