An oil spill that destroyed a large stretch of mangroves around Mahul creek was reported last week, but the disturbing revelation is just the tip of the iceberg when the bigger picture of abuse of the creeks in the city is considered. Two defence projects among 133 cleared by wildlife panel More than 4.6 million hectares of forest have been burned or cut down. It often results in the extinction of species and, as a result, the loss of biodiversity. Answer Save. Historical deforestation estimates indicate more than one-third of the world’s mangroves may have been lost … Mangroves aren’t a single species — the term “mangrove” covers any of the 70 or so species of shrubs or trees that grow in saline or brackish water. Each kind of mangrove is uniquely suited to its ecological niche, and the wrong kind in the wrong place won’t survive. The water quality would go down because the mangroves wouldn't be there to re-oxygenate the water. Vast tracts of mangroves across the world have been destroyed as they were perceived as useless. However, recent trends in federal and State laws governing wetlands have provided for preservation, protection, restoration and creation of wetlands throughtout Maryland. Mangroves are often portrayed as having little value and being little more than muddy, mosquito infested swamps that need to be cleared. More: Threats on Coral Reefs. (Less than 60,000 square miles remained in 2005.) Coral bleaching is the condition when the coral lost its color as the algae leave the corals. For that reason, 86 percent of mangroves in Florida have been destroyed since the 1940s. How many species have become extinct due to this? In the past their removal was seen as a sign of progress. If there were no mangroves in the harbour the banks would get eroded and the water flow would increase. 6 Answers. (from Wetlands of Maryland, Tiner and Burke, 1995). An effect of the coral reef reef destruction that happens to the surviving corals is coral bleaching. But nothing could be further from the truth. Nearly 14,000 square miles of mangrove forests were destroyed between 1980 and 2005, according to the United Nations, and the losses continue today. Half of the historic mangrove areas along the shoreline of Tampa Bay have been decimated. But many mangroves have already been destroyed, and others are at risk. I have read that mangroves are being destroyed by population pressure, cpnversion for shrimp and fish farming, agriculture, infrastructure and tourism, as well as polution and natural disasters. What Would Happen if there were no Mangroves in Whangateau Harbour? Deforestation is caused by Illegal logging and human need and progress. If all the corals go, what will happen to our marine life? Algae, which is the food source for coral and gives colors to the corals, leaves the corals due the stress experienced by the corals. Unfortunately, a better understanding of mangroves’ importance hasn’t stopped their destruction. What will happen if Mangroves become extinct? In the past, the societal and ecological value of wetlands were not widely recognized and many wetlands were destroyed. Mangroves. Habitat destruction is the process by which natural habitat is damaged or destroyed to such an extent that it no longer is capable of supporting the species and ecological communities that naturally occur there. After the destruction of so many mangrove trees, people started to realize that the loss of the mangrove trees had led to additional losses. The density of mangrove seedlings (mangroves shorter than 0.5 m), propagules, and pneumatophores in mangrove and pneumatophore habitats was determined using five replicate quadrats of area 0.25 m 2. How many homes have been destroyed? Seen as a result, the societal and ecological value of wetlands destroyed. 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