What is a coast and its importance - Iczmpwb.org

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Other Coral Associated faunal groups of A&N Islands • Crustaceans - 830 sp. • Ascidians – 9 sp. • Polychaetes – 48 sp. • Sea anemones - 24 sp. Bispira brunnea Didemnum molle Clavinella moluccensis
Threats to Coral Reefs of A & N Islands Natural Threats • Rise in surface seawater temperature (El Nino) triggered the coral bleaching • Sedimentation due to land and river run off increasing the turbidity of the water column which prevents the symbiotic algae from capturing sunlight, which is the coral’s primary source of energy and nutrition. • Coral diseases caused by microbes leads to the mortality of corals • Earthquakes and tidal waves (tsunami) damages the reefs • Predation by ‘Crown-of-Thorn ‘ Sea star Acanthaster planci Anthropogenic Threats • Marine Pollution caused by domestic and municipal sewages etc. • Oil pollution and oil spillages • Pesticide pollution due to agricultural activities • Indiscriminate fishing in the coral reef zone by operating trawl and gill nets • Damages due to anchorage of vessels • Unorganized tourism
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Coast and its importance Dr. C. Rag
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Top 10 largest coastal cities of th
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Terminology of coastal regions
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Tides Definition: The periodic rise
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Coastal Environment of India - Cont
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Types of Shores • Rocky Shore •
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Rocky shore animals Sea urchin Turb
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Sandy shore Molluscs Oliva Donax De
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Adaptation of animals in sandy shor
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Zonation in Sandy Shore
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Grain size in muddy shore
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Adaptation of animals in muddy shor
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Coastal Ecosystems • Estuarine ec
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Profile of an ideal estuary
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Importance of Estuaries • Provide
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Diversity of seagrass • Global co
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Threats to seagrass ecosystem Natur
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Seaweed resources in Indian Coast S
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Mangrove Ecosystem • Mangroves ar
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Sl. No. State-wise status of mangro
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Mangrove fauna of India (2359 speci
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Threatened invertebrates in mangrov
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Threats to Mangroves 1. Cattle graz
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Acropora monticulosa Coral Reef Eco
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Distribution of Coral Reefs in Indi
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Diversity of Corals in A&N Islands
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TYPES OF CORAL GROWTH FORMS Digitat
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TYPES OF CORALLITES Ceroid: Adjacen
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Location marks of Permanent Monitor
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Percentage Live coral cover(%) in A
Page 62 and 63: Corals of Great Nicobar Island Acro
Page 64 and 65: Corals of Rutland Island Seriatopor
Page 66 and 67: Corals of RJMNP Favia matthaii Plat
Page 68 and 69: Coral Reef cover in North Reef Isla
Page 70 and 71: Coral reef cover in RJMNP Rani Jans
Page 72 and 73: Great Nicobar Island Great Nicobar
Page 74 and 75: Coral Associate: Echinoderm diversi
Page 76 and 77: Echinoderms - Holothurians Actinopy
Page 78 and 79: Echinoderms of RJMNP Prionocidaris
Page 80 and 81: Coral Associate: Molluscan diversit
Page 82 and 83: Molluscs of South Andaman Bursa gra
Page 84 and 85: Molluscs of North Andaman Cypraea (
Page 86 and 87: Molluscs of RJMNP Cassis cornuta (L
Page 88 and 89: Nudibranchs - RJMNP Aldisa erwinkoe
Page 90 and 91: Nudibranchs of Ritchie’s Archipel
Page 92 and 93: Nudibranchs of Middle Andaman Phyll
Page 94 and 95: Diversity of Sponges in A&N Islands
Page 96 and 97: Sponges of Car Nicobar Island Acant
Page 98 and 99: Diversity of Gorgonians in A&N Isla
Page 100 and 101: Gorgonids in RJMP Rumphella antipat
Page 102 and 103: ) Parisis sp. (Verrill, 1864) Wrigh
Page 104 and 105: Diversity of Fishes in A&N Islands
Page 106 and 107: Reef Fishes of Great Nicobar Island
Page 108 and 109: Phytoplankton of A&N Islands Cerati
Page 110 and 111: Amphipods Annelid larvae Appendicul
Page 114 and 115: Natural Threats 1. Impact of Earthq
Page 116 and 117: Uplifted Coral Reefs in North Andam
Page 118 and 119: Percentage Coral Bleaching (April t
Page 120 and 121: Coral Bleaching in Great Nicobar Is
Page 122 and 123: Predation by Crown-of-Thorn Starfis
Page 124 and 125: Anthropogenic Threats 1. Fishing 2.
Page 126 and 127: • Fishing villages: 3638 Fish pro
Page 128 and 129: Ecological significance of coast in
Page 130 and 131: Coastal Industries and waste genera
Page 132 and 133: Coastal Regulation Zones (CRZ) CRZ-
Page 134 and 135: Permissible activities under CRZ
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