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Thesis Details
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TITLE
DEDICATION
CERTIFICATE
DECLARATION
ACKNOWLEDGEMENT
CONTENTS
List of Tables
List of Figures
PLATE I
Picture 1 Periyar Lake with its lush vegetation - a distant view
Picture 2 The Periyar River - at source
1. INTRODUCTION
2. STUDY AREA AND METHODS
PLATE II MAP OF THE PERIYAR
2.1 Boundaries
2.2 Geomorphology
2.3 Vegetation
2.4 Climate
2.5 Temperature
2.6 Rainfall
1. Year wise rainfall statement for 1995, 1996 & 1997 (In nom)
2.6.1 1995
2.6.2 1996
2.6.3 1997
2.7 Humidity
2.8 Water
2. Rainfall data for 1995 (In min)
3. Rainfall data for 1996 (In mm)
4. Rainfall data for 1997 (In min)
PLATE III Picture 3 The Periyar Dam - a captive view
Picture 4 Spillway that regulates the water level in the lake
2.9 Periyar Lake
2.9.1 Physical features
2.9.1.1 Water level (ft)
2.9.1.2 Discharge (M.C.F.T) of Water
2.9.1.3 Inflow (M.C.F.T) of Water
5. Water level for 1995
6. Water level for 1996
7. Water level for 1997
8. Discharge of water for 1995
9. Discharge of water for 1996
10. Discharge of water for 1997
11. Inflow of water for 1995
12. Inflow of water for 1996
13. Inflow of water for 1997
2.9.1.4 Water quality
2.9.2 Biological features
2.9.2.1 Fauna
2.9.2.2 People
2.10 Materials and Methods
2.10.1 Methods
3. FISH FAUNA OF PERIYAR
3.1 Systematic List
4. MORPHOMETRIC AND MERISTIC COUNTS
4.1 Tor khudree
4.1.1 Morphometry
4.1.2 Meristic counts
4.2 Hypselobarbus kurali
4.2.1 Morphometry
4.2.2 Meristic counts
PLATE IV
Picture 5 Tor khudree - a good native sport fish
Picture 6 Hypselobarbus kurali - another native fish
4.3 Cyprinus carpio var. communis
4.3.1 Morphometry
4.3.2 Meristic counts
4.4 Oreochromis mossambica
4.4.1 Morphometry
4.4.2 Meristic counts
PLATE V
Picture 7 Cyprinus carpio var. cc~mmrcnis (Common Carp) - an introduced fish
Picture 8 Oreochremis mossambica (Tilapia) - another introduced fish
4.5 Biometric index
4.5.1 Biometric indices in Tor khudree
4.5.2 Biometric indices in Hypselobarbus kurali
4.5.3 Biometric indices in Cyprinus carpio communis
4.5.4 Biometric indices in Oreochromis mossambica
14& 15 Mean biometric indices in different length groups of Tor khudree
16 & 17 Mean biometric indices in different length groups of Tor khudree
18& 19 Mean biometric indices in different length groups of Hypselobarbus kurali
20 & 21 Mean biometric indices in different length groups of Tor khudree
22 & 23 Mean biometric indices in different length groups of Cyprinus carpio var. communis
24 & 25 Mean biometric indices in different length groups of Cyprinus carpio var. communis
26 & 27 Mean biometric indices in different length groups of Oreochromis mossambica
28 Mean biometric indices in different length groups of Oreochromis mossambica
5. DISTRIBUTION OF FISHES
5.1 Monthly distribution of fishes in Periyar Lake in 1996
5.2 An analysis of fish catch in the year 1996 in Periyar Lake
5.2.1 Oreochromis mossambica
5.2.2 Hypselobarbus kurali
5.2.3 Cyprinus carpio
5.2.4 Tor khudree
29 Fish catch in each month in Periyar Lake in the year 1996
30 Fish catch and species composition in Periyar Lake in the year 1996
PLATE VI
Picture 9 Hypselobarbrrs micropogon periyarensis - a recommended native sport fish
Picture 10 A prized catch on a lucky day of one man.
5.3 Interaction between native and introduced fishes
5.3.1 Distribution of native fishes in Periyar Lake in 1996
5.3.2 Distribution of introduced fishes in Periyar Lake in 1996
31 Fish yield of four species in Periyar Lake in the year 1996
32 Monthly distribution of Tor khudree & Hypselobarbus kurali in Periyar Lake in the year 1996
33 Monthly distribution of Cyprinus carpio communis & Oreochromis mossambica in Periyar Lake in the year 1996
34 Monthly distribution of Hypselobarbus kurali & Cyprinus carpio communis in Periyar Lake in the year 1996
6. FOOD AND FEEDING HABITS
6.1 Tor khudree (Sykes) (Black Mahseer or Deccan Mahseer)
6.1.1 Algae
6.1.2 Plants
6.1.3 Animals and animal parts
6.1.4 Sand particles
6.2 Hypselobarbus kurali Menon & Rema Devi
6.2.1 Algae
6.2.2 Plants
6.2.3 Animals and animal parts
6.2.4 Sand particles
6.3 Cyprinus carpio var, communis Linnaeus
6.3.1 Algae
6.3.2 Plants
6.3.3. Animals and Animal Parts
6.3.4 Sand particles
6.4 Oreochromis mossambica (Peters)
6.4.1 Algae
6.4.2 Plant parts
6.4.3 Animals and animal parts
6.4.4 Sand grains
7. SOCIO ECONOMIC STATUS OF THE FISHERMEN
PLATE VII
Picture 11
Picture 12 Two Mannan families with their hut and small farm land in the background
7.1 The tribal people
7.1.1 Fishing nets
7.1.2 Vatty method
7.1.3 Hook and line
7.1.4 Survey among the fishermen
7.2 Kumily Girijan Matsya Vyavasaya Co-operative Society
PLATE VIII
Picture 13 A fisherman with his catch and hook & line
Picture 14 Fisherman getting ready for a good haw1
PLATE IX
Picture 15 Sunning Mannans
Picture 16 A happy return
7.3 Fisheries Department
7.4 Observations of ponds that belonged to the Mannans
7.5 Fish farmers development agency
8. DISCUSSION
8.1 Morphometric and Meristic counts of fishes
8.2 Distribution of fishes
8.3 Food and feeding habits
8.4 The interaction between native and introduced species
8.5 Socio economic status of the fishermen
8.6 Kumily Girijan Matsya Vyavasaya Co-operative Society
8.7 Fisheries Department
9. SUMMARY AND CONCLUSION
9.1 Summary
PLATE X
Picture 17 Water birds waiting for its prey
Picture 18 (above the dam)
Picture 19 (below the dam)
9.2 Recommendations for effective fishery management in Periyar Lake
REFERENCES