They also protect coastal communities from extreme weather events such as tropical storms, cyclones and tsunamis. Various threats to the mangrove resources and their root causes should be identified, and earnest measures should be taken to eliminate those causes. At present, the greatest threat to mangroves worldwide is the farmed shrimp industry. Thus, the mangroves have an important role in sustaining and preserving coastal ecosystem. Causes of Depletion of mangroves Sea level rise and coastal erosion Due to global warming, the sea levels are continuously rising. Mangroves are salt-tolerant vegetation that grows in intertidal regions of rivers and estuaries. Down To Earth is a product of our commitment to make changes in the way we manage our environment, protect health and secure livelihoods and economic security for all. Environmental monitoring in the existing mangrove areas should be taken up systematically and periodically. Together we build journalism that is independent, credible and fearless. Coastal shields- The mangroves act as shields and protect the inner coastal areas from the destruction caused due to cyclones or storms. Mangrove restoration is the regeneration of mangrove forest ecosystems in areas where they This has led to imbalance in … Thus, the mangroves have an important role in sustaining and preserving coastal ecosystem. Thus, the mangroves have an important role in sustaining and preserving the coastal ecosystem. The mangroves are facing various threats, causing its widespread destruction. At least 10 MAF of freshwater downstream the Kotri barrage is needed to rehabilitate the region” if we desire to fish in the same manner. "The escalating destruction and degradation of mangroves - driven by land conversion for aquaculture and agriculture, coastal development, and pollution - is occurring at an alarming rate, with over a quarter of the earth's original mangrove cover now lost,” said UN Under-Secretary-General Achim Steiner. Despite consistent experience of high growth, India still goes with the lowest indicators of human development. Other Causes Other causes behind mangrove forest deterioration are loss of soil fertility, geomorphological changes, high salinity ecological succession, inadequate regeneration and low yield The deterioration of mangroves can lead to serious consequences, including a reduction in biodiversity, species decline, genetic erosion, extinction, increased flooding, and decline in water quality. Oil spills cause damage to mangroves by coating roots, limiting the transport of oxygen to underground roots. You can further help us by making a donation. More information: Daniel R. Richards et al. As a result, mangroves get depleted to the tune of 2-8 percent annually. Mangroves absorb excess water but they are being destroyed in Mumbai in the guise of infrastructure development, city-based environmentalist Debi Goenka told . MANGROVE DEGRADATION: CAUSAL CHAIN ANALYSES Nguyen Hoang Tri, Vietnam UNEP/USM 29/4-9/5/2007 the Training Course on Sustainable Management of Mangrove Ecosystems for the UNEP-GEF-South China Sea Project on Reversing Marine Environmental Degradation Trends in the South China Sea and the Gulf of Thailand Human activities are the leading causes for Mangrove destruction. Thus, the mangroves have an important role in sustaining and preserving coastal ecosystem. The importance of mangroves to people: a call to action. Sea level rise and coastal erosion. They are referred to as ‘tidal forests’ and belong to the category of ‘tropical wetland rainforest ecosystem’. Mangroves are very susceptible to herbicides as demonstrated in South Vietnam by the U.S. military by the defoliation and destruction of over 250,000 acres (1,012 square kilometers) of mangroves. MANGROVE DEGRADATION: CAUSAL CHAIN ANALYSES Nguyen Hoang Tri, Vietnam UNEP/USM 29/4-9/5/2007 the Training Course on Sustainable Management of Mangrove Ecosystems for the UNEP-GEF-South China Sea Project on Reversing Marine Environmental Degradation Trends in the South China Sea and the Gulf of Thailand At the existing rate, South East Asia could lose 35 per cent of its mangrove cover of 2000 in the next 35 years. Widespread destruction of mangroves along the coasts results in economic damages of $6 – 42 billion every year, says a report titled “The Importance of Mangroves: A Call to Action”, released by the United Nations Environment Programme on Monday. V. MANGROVE DESTRUCTION IN MUMBAI Rapid developments like housing, industrialization, pollution and increasing population of Mumbai has resulted into degradation of mangroves. In a broader sense, Mangroves ecosystem is the interface between terrestrial forests and aquatic marine ecosystems. Causes of Depletion of mangroves. Sea level rise and coastal erosion: Due to global warming, the sea levels are continuously rising. They are referred to as ‘tidal forests’ and belong to the category of ‘tropical wetland rainforest ecosystem’. The main reasons for this depletion are reclamation of land for paddy cultivation, salt pan scheme, reclamation of land for building activities and dumping, industrial pollution of the creeks, cuttings of trees for fuel wood etc. The threats posed by human activities can upset the natural balance and cause their depletion. They are referred to as ‘tidal forests’ and belong to the category of ‘tropical wetland rainforest ecosystem’. Importance of mangroves in maintaining coastal ecology. The mangroves act as shields and protect the inner coastal areas from destruction caused due to cyclones or storms. The threats posed by human activities can upset the natural balance and cause their depletion. We believe information is a powerful driver for the new tomorrow. This will mean a lot for our ability to bring you news, perspectives and analysis from the ground so that we can make change together. Selected comments may also be used in the ‘Letters’ section of the Down To Earth print edition. The report recommends several measures to conserve and restore mangroves. The main causes of the destruction of mangrove swampland include population pressure, conversion for shrimp and fish farming, agriculture, infrastructure and tourism, as … Human activities are the leading causes for Mangrove destruction. Causes of Depletion of mangroves. These include creating a global mangrove fund, encouraging mangrove conservation through carbon credit markets, promoting economic incentives for their sustainable use and ensuring that mangrove protection finds space in wider Marine Spatial Planning and policy frameworks. Habitat destruction through human encroachment has been the primary cause of mangrove loss. What do you understand by the term ‘public servant’? Thailand has lost 84 percent of its mangroves, the highest rate of mangrove loss of any nation, while the Ivory Coast, Guinea-Bissau, Tanzania, Mexico, Panama, Malaysia, Myanmar, Pakistan, and the Philippines have each lost more than 60 percent of their mangrove forests. The report indicates that the effects of climate change could result in a loss of a further 10 - 15 per cent of mangroves by year 2100. Causing tremendous damage to mangroves, herbicides, oil spills, and other types of water pollution may result in the death of these plants. Causes of Depletion of mangroves Sea level rise and coastal erosion Due to global warming, the sea levels are continuously rising. Comments are moderated and will be published only after the site moderator’s approval. Various threats to the mangrove resources and their root causes should be identified, and earnest measures should be taken to eliminate those causes. UN report recommends implementation of policies and laws to protect mangroves. Coastal shields-The mangroves act as shields and protect the inner coastal areas from the destruction caused due to cyclones or storms. Question: Discuss the causes of depletion of mangroves and explain their importance in maintaining coastal ecology. Mangroves are salt-tolerant vegetation that grows in intertidal regions of rivers and estuaries. Causes of Mangrove Depletion. “This has potentially devastating effects on biodiversity, food security and the livelihoods of some of the most marginalised coastal communities in developing countries where more than 90 per cent of the world's mangroves are found.". The destruction is caused either knowingly or unknowingly of values of mangroves, but certainly ignoring the consequence of the loss. Mangroves absorb excess water but they are being destroyed in Mumbai in the guise of infrastructure development, city-based environmentalist Debi Goenka told PTI. "Destruction of mangroves has definitely been one of the major causes of flooding, since the land reclaimed from mangroves is now blocking the rain water from flowing out into the sea. Mangrove forests are among the most threatened habitats in the world, and mangrove loss is rampant across the globe. Due to global warming, the sea levels are continuously rising. The primary cause of destruction throughout the world is clear cutting, illegal dumping and reclamation; these are carried for the purpose of agricultural activities, aquaculture, urban expansion, and resort development and have threatened the majority of mangrove ecosystem. At the existing rate, South East Asia could lose 35 per cent of its mangrove cover of 2000 in the next 35 years. … They are referred to as ‘tidal forests’ and belong to the category of ‘tropical wetland rainforest ecosystem’. The Indo-Malaysian area is considered as the cradle of evolution of mangrove ecosystem (Krishnamurthy, 1993), because it is widely believed that the mangrove plants developed first in this area and then only spread to other regions of the tropics. Mumbai mangroves can provide a large base for research opportunities for researchers in Botany, Flora and Fauna of Mumbai coastline studies. Human activities have caused the loss of half the world’s forests, wetlands, grasslands, and mangroves; annual use of 75% more resources than Earth … Mangroves serve as nesting areas, for coastal birds such as brown pelicans and roseate spoonbills. Of these, clear-felling, aquaculture and over-exploitation of fisheries in mangroves are expected to be the greatest threats to mangrove species over the next 10–15 years [29] . Inform | Mangrove and Coral Destruction New research identifies ‘triple trouble’ for mangrove coasts The study found that mangrove forests, their large biodiversity and the coastal protection they provide are under pressure from three distinct threats—sea-level rise, lack of mud and squeezed habitats. Mangroves are salt-tolerant vegetation that grows in intertidal regions of rivers and estuaries. ... Obviously, their destruction is directly linked to the low catch of fish and shrimps. Many migratory species depend on mangroves for part of their seasonal migrations. © Copyright Down To Earth 2020. The Importance of Mangroves: A Call to Action, Green tribunal stays felling of mangroves in Gujarat, Mangroves may have saved this village from Phailin, Mangroves on public land in Maharashtra will be reserved forests, Mangrove cover getting sparser over Konkan creeks. Research shows that mangroves play a key role in carbon sequestration – removing about 1,000 tonnes of carbon per hectare – over thousands of years. Climate change also affects their survival. Please use a genuine email ID and provide your name. All rights reserved. Mangroves are evolved around 114 million years ago. Due to global warming, the sea levels are continuously rising. The end of January came to a sad close in Cancun, Mexico this year when the federal government authorized the destruction of one of the last mangrove swamps located in the area. Updated on 03 Oct 2019 | Added on .01 Oct 2019 | by admin. As a result the density of mangroves in and around Mumbai has been on a decline. We are a voice to you; you have been a support to us. We believe strongly that we can and must do things differently. The destruction is caused either knowingly or unknowingly of values of mangroves, but certainly ignoring the consequence of the loss. Environmental monitoring in the existing mangrove areas should be taken up systematically and periodically. Reflect on the expected role of the public servant. The threats posed by human activities can upset the natural balance and cause their depletion. The loss of mangroves contributes to nearly one-fifth of global emissions from deforestation. “The escalating destruction and degradation of mangroves – driven by land conversion for aquaculture and agriculture, coastal development, and pollution – is occurring at an alarming rate, with over a quarter of the earth’s original mangrove cover now … The mangroves act as shields and protect the inner coastal areas from destruction caused due to cyclones or storms. As a result, mangroves get depleted to the tune of 2-8 percent annually. The current rate of destruction of mangroves is three to five times greater than the average rates of forest loss. Altogether, the 57 hectares of land was cleared to make way Mangroves are very susceptible to herbicides as demonstrated in South Vietnam by the U.S. military by the defoliation and destruction of over 250,000 acres (1,012 square kilometers) of mangroves. Mangrove restoration is the regeneration of mangrove forest ecosystems in areas where they "The escalating destruction and degradation of mangroves - driven by land conversion for aquaculture and agriculture, coastal development, and pollution - is occurring at an alarming rate, with over a quarter of the earth's original mangrove cover now lost,” said UN Under-Secretary-General … Known by reporter, Almudena Serpis as “one of Cancun’s last wild nature enclaves,” these mangroves were literally torn apart in a single day. Habitat destruction through human encroachment has been the primary cause of mangrove loss. Mangrove Destruction Despite increasing awareness regarding value and importance, the destruction of mangrove swamps continues to take place in many parts of the world under a variety of economic as-well-as political motives. “Destruction of mangroves has definitely been one of the major causes of flooding, since the land reclaimed from mangroves is now blocking the rain water from flowing out into the sea. (2)Counter affects of tourism:-As the mangrove site attracts a lot of attention due to its beauty.Its … Our aim is to bring you news, perspectives and knowledge to prepare you to change the world. Rates and drivers of mangrove deforestation in Southeast Asia, 2000–2012, Proceedings of the National Academy of … Reduction of river water due to dams has caused destruction of mangroves. An organic shrimp farming initiative and a mangrove protection law have cut human-caused destruction in Vietnam, but waves and storms are eating away at … Sea level rise and coastal erosion. Invasion by alien species Introduction of non-native and alien species of plants and animals are causing threat to the endemic species of the region. The primary threats to all mangrove species are habitat destruction and removal of mangrove areas for conversion to aquaculture, agriculture, urban and coastal development, and overexploitation. Mangroves are one of the most precious elements of coastal ecology due to their role as a sustainer of biological diversity of the region. "Destruction of mangroves has definitely been one of the major causes of flooding, since the land reclaimed from mangroves is now blocking the rain water from flowing out into the sea. Mangroves are salt-tolerant vegetation that grows in intertidal regions of rivers and estuaries.
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