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Report on Lakshadweep Wetlands/coral reefs. - of Planning ...

Report on Lakshadweep Wetlands/coral reefs. - of Planning ...

Report on Lakshadweep Wetlands/coral reefs. - of Planning ...

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• Pitti is <strong>of</strong> great importance since such breeding col<strong>on</strong>ies are very rare in theIndian territory.Status <strong>of</strong> Coral Reef In <strong>Lakshadweep</strong>Status Before 2000• The 1998 bleaching affected all <strong>reefs</strong>, impacting 40 to 90% <strong>of</strong> live <strong>coral</strong> cover.• Live <strong>coral</strong> cover was no more than 10% at Kadmat Island after bleachinghappened.• The most seriously impacted <strong>coral</strong>s in all <strong>reefs</strong> were branching and tabulateAcropora sp and Pocillopora sp.Strengths <strong>of</strong> LCRMN surveys• Infrastructure – adequate diving gears, compressors, boats• Capacity – 20 participants trained in diving and survey techniques• Quality check – cross check by Indian and Australian trainers and comparis<strong>on</strong>between data collected by scientist-divers and islander-divers.Strategy for surveys• Minimum <strong>on</strong>e survey in each island every year.• 5 Line Intercept Transects around each island.• Recording <strong>of</strong> percentage cover <strong>of</strong> bio-physical properties over a 20 mtransect laid at 10 m depth.Traits recorded1. Live <strong>coral</strong> (LC) = (Acropora and n<strong>on</strong> Acropora sp.)2. Dead <strong>coral</strong> with algae (DCA)3. Algae = (Algal assemblage and sea grass)4. Others (OT) = (S<strong>of</strong>t <strong>coral</strong>, sp<strong>on</strong>ge other animals)5. Abiotic = (Sand, rubbles and rocks)6. Dead Coral (DC)7. Coral Forms8. Island-wise status <strong>of</strong> live <strong>coral</strong> cover and Algal cover and reef recovery duringThe years 2001 – 2006 in Agatti and Kavaratti.Example <strong>of</strong> Agatti Island benthic categories result16

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