{"id":6317,"date":"2022-06-23T00:00:00","date_gmt":"2022-06-23T00:00:00","guid":{"rendered":"https:\/\/www.nextias.com\/current_affairs\/uncategorized\/23-06-2022\/four-coral-species-recorded-for-first-time-in-indian-waters-study\/"},"modified":"2022-06-23T00:00:00","modified_gmt":"2022-06-23T00:00:00","slug":"four-coral-species-recorded-for-first-time-in-indian-waters-study","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/23-06-2022\/four-coral-species-recorded-for-first-time-in-indian-waters-study","title":{"rendered":"Four coral species recorded for first time in Indian waters: Study"},"content":{"rendered":"<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>In Context<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Recently, four new species of corals were recorded in the Indian waters of the Andaman and Nicobar Islands.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>Major Findings:<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The newly recorded species are:<\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Truncatoflabellum crassum,\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">T. incrustatum ,\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">T. aculeatum , and\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">T. irregulare\u00a0<\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:square\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">They are a part of the family <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Flabellidae<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">These species belong to the group \u201c<\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>azooxanthellate corals<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">\u201d.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">These corals are a group of hard corals and the four new records are <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>solitary and a highly compressed skeletal structures<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The details of the new records have been published in <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Thalassas: An International Journal of Marine Sciences in a paper<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>More about azooxanthellate corals:\u00a0<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Azooxanthellate corals are a group of <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>corals that do not contain zooxanthellae.<\/strong><\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">They are <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>non-reef building, unicellular, golden-brown algae.\u00a0<\/strong><\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">They derive nourishment <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>not from the sun<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"> but from <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>capturing different forms of plankton<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">These groups of corals are<\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong> deep-sea representatives<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">, with the majority of species reporting from <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>between 200 m to 1000 m<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Their occurrences are<\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong> also reported from shallow coastal waters<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>Coral Reefs:<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">A coral reef is an underwater ecosystem characterized by reef-building corals.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Reefs are formed of colonies of coral polyps held together by calcium carbonate.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Symbiotic Relationship:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Corals share a symbiotic relationship with single-celled algae called zooxanthellae.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The zooxanthellae also give corals their bright colour.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The algae provides the coral with food and nutrients, which they make through photosynthesis, using the sun\u2019s light.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Algae provide up to 90 per cent of the coral&#8217;s energy.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">In turn, the corals give the algae a home and key nutrients.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Temperature:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The temperature of the water should not be below 20\u00b0C.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The most favourable temperature for the growth of the coral reefs is between 23\u00b0C to 25\u00b0C.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The temperature should not exceed 35\u00b0C.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Salinity:\u00a0<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Corals can survive only under saline conditions with an average salinity between 27% to 40%.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Shallow Water:\u00a0<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Coral reefs grow better in shallow water having a depth less than 50 m. The depth of the water should not exceed 200m.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Coral reefs are divided into four classes:<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">\u00a0<\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">fringing reefs,\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">barrier reefs,\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">atolls, and\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">patch reefs.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Coral reefs in India:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">There are about 570 species of hard corals found in India\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">India has four major coral reef areas:<\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong> Gulf of Mannar, Andaman and Nicobar Islands, Lakshadweep islands and the Gulf of Kutch<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Almost 90% of corals are found in the waters surrounding Andaman and Nicobar Islands.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/OuCpRqojuQb1pMwUFwlvoO3wuXgmDRECY1N2U5DAfHjh-7MFmzC__Hi_KQV9XQvNJT4qg9DnTK86XSn2b8OvYAPCkj2Iwswk5Iza9Laz-uCgPGo7ue7ykXnG7StEDLLyvzxmNiH4CTIZyySAhg\" style=\"height:344px; width:447px\" \/><\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>Significance:<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Ecosystem value:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Coral Reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The pristine and oldest ecosystem of corals share less than 1% of the earth\u2019s surface but they provide a home to nearly 25% of marine life.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Thousands of species can be found living on one reef.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Economy:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Coral reefs have an estimated global value of \u00a36 trillion each year, due in part to their contribution to the <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>fishing and tourism industries<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"> and the <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>coastal protection<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"> they provide.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">More than 500 million people worldwide depend on reefs for food, jobs and coastal defence.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Protection from Storm:\u00a0<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Coral reefs also provide protection from storm waves.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Medicinal value:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Extracts from animals and plants living on reefs have been used to develop treatments for asthma, arthritis, cancer and heart disease.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div>\n<table cellspacing=\"0\" style=\"border-collapse:collapse; border:none; width:667px\">\n<tbody>\n<tr>\n<td style=\"border-bottom:1px solid #000000; border-left:1px solid #000000; border-right:1px solid #000000; border-top:1px solid #000000; vertical-align:top; width:667px\">\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>Global Regions with Coral Ecosystem:<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>The Coral Triangle:\u00a0<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">A coral-rich marine region in Southeast Asia that encompasses the waters between Indonesia, Malaysia, the Philippines and Papua New Guinea &#8211; is the most biologically diverse marine ecosystem on Earth.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Great Barrier Reef:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The Great Barrier Reef is unique as it extends over 14 degrees of latitude, from shallow estuarine areas to deep oceanic waters.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Within this vast expanse is a unique range of ecological communities, habitats and species \u2013 all of which make the Reef one of the most complex natural ecosystems in the world.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The reef is located in the Coral Sea, off the coast of Queensland, Australia.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">It was selected as a World Heritage Site in 1981.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>Threats<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Global Warming:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Global Coral Reef Monitoring Network (GCRMN) report underlined the catastrophic consequences of global warming on coral ecosystem.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Rising ocean temperatures killed about 14% of the world&#8217;s coral reefs between 2009 and 2018.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Coastal development:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Physical damage or destruction from coastal development, dredging, quarrying, destructive fishing practices and gear, boat anchors and groundings, and recreational misuse (touching or removing corals).<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Pollution:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Pollution originates on land but finds its way into coastal waters. There are many types and sources of pollution from land-based activities.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Overfishing:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Overfishing can alter the food-web structure and cause cascading effects, such as reducing the numbers of grazing fish that keep corals clean of algal overgrowth. Blast fishing (i.e., using explosives to kill fish) can cause physical damage to corals as well.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>Coral Bleaching<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Coral bleaching occurs when coral polyps expel algae that live inside their tissues.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">When corals face stress by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae zooxanthellae living in their tissues, causing them to turn completely white.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">This phenomenon is called coral bleaching.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Reasons:<\/strong><\/span><\/span><\/span><\/span>\n<ul>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The leading cause of coral bleaching is climate change.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">A warming planet means a warming ocean, and a change in water temperature &#8211; as little as 2 degrees Fahrenheit &#8211; can cause coral to drive out algae.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:circle\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Coral may bleach for other reasons, like extremely low tides, pollution, or too much sunlight.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-size:13pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong><u>Way Ahead<\/u><\/strong><\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Maintaining the <\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>integrity and resilience of coral reef ecosystems<\/strong><\/span><\/span><\/span><\/span><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"> is essential for the wellbeing of tropical coastal communities worldwide, and a critical part of the solution for achieving the Sustainable Development Goals under the 2030 Agenda for Sustainable Development.<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">Dead reefs can revive over time if there are enough fish species that can graze off the weeds that settle on dead corals, but it takes almost a decade for the reef to start setting up again.\u00a0<\/span><\/span><\/span><\/span><\/li>\n<li style=\"list-style-type:disc\"><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\">The countries could act together to improve water quality at the reef, which would increase its resilience to climate change.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<p><span style=\"font-size:12pt\"><span style=\"font-family:'Book Antiqua',serif\"><span style=\"color:#000000\"><span style=\"background-color:#ffffff\"><strong>Source: TH<\/strong><\/span><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Context Recently, four new species of corals were recorded in the Indian waters of the Andaman and Nicobar Islands. Major Findings: The newly recorded species are: Truncatoflabellum crassum,\u00a0 T. incrustatum ,\u00a0 T. aculeatum , and\u00a0 T. irregulare\u00a0 They are a part of the family Flabellidae.\u00a0 These species belong to the group \u201cazooxanthellate corals\u201d. These [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6318,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[54,26],"class_list":["post-6317","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs","tag-biodiversity-and-environment","tag-gs-3"],"acf":[],"jetpack_featured_media_url":"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2023\/07\/6992454Screenshot_6.png","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/6317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=6317"}],"version-history":[{"count":0,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/6317\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media\/6318"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=6317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=6317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=6317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}