At the existing rate, South East Asia could lose 35 per cent of its mangrove cover of 2000 in the next 35 years. Mangroves are salt-tolerant vegetation that grows in intertidal regions of rivers and estuaries. At present, the greatest threat to mangroves worldwide is the farmed shrimp industry. The mangroves act as shields and protect the inner coastal areas from destruction caused due to cyclones or storms. 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. 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 Our aim is to bring you news, perspectives and knowledge to prepare you to change the world. Mangroves absorb excess water but they are being destroyed in Mumbai in the guise of infrastructure development, city-based environmentalist Debi Goenka told PTI. Mangroves are salt-tolerant vegetation that grows in intertidal regions of rivers and estuaries. 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. Mangroves absorb excess water but they are being destroyed in Mumbai in the guise of infrastructure development, city-based environmentalist Debi Goenka told . Mangroves are evolved around 114 million years ago. Climate change also affects their survival. Various threats to the mangrove resources and their root causes should be identified, and earnest measures should be taken to eliminate those causes. “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.". This has led to imbalance in … Question: Discuss the causes of depletion of mangroves and explain their importance in maintaining coastal ecology. They are referred to as ‘tidal forests’ and belong to the category of ‘tropical wetland rainforest ecosystem’. Thus, the mangroves have an important role in sustaining and preserving coastal ecosystem. Known by reporter, Almudena Serpis as “one of Cancun’s last wild nature enclaves,” these mangroves were literally torn apart in a single day. They are referred to as ‘tidal forests’ and belong to the category of ‘tropical wetland rainforest ecosystem’. What do you understand by the term ‘public servant’? We believe strongly that we can and must do things differently. Habitat destruction through human encroachment has been the primary cause of mangrove loss. Mangrove restoration is the regeneration of mangrove forest ecosystems in areas where they Environmental monitoring in the existing mangrove areas should be taken up systematically and periodically. In a broader sense, Mangroves ecosystem is the interface between terrestrial forests and aquatic marine ecosystems. The destruction is caused either knowingly or unknowingly of values of mangroves, but certainly ignoring the consequence of the loss. Human activities have caused the loss of half the world’s forests, wetlands, grasslands, and mangroves; annual use of 75% more resources than Earth … You can further help us by making a donation. 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. 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. Sea level rise and coastal erosion: Due to global warming, the sea levels are continuously rising. As a result the density of mangroves in and around Mumbai has been on a decline. As a result, mangroves get depleted to the tune of 2-8 percent annually. "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. Coastal shields- The mangroves act as shields and protect the inner coastal areas from the destruction caused due to cyclones or storms. 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. Mumbai mangroves can provide a large base for research opportunities for researchers in Botany, Flora and Fauna of Mumbai coastline studies. Mangrove forests are among the most threatened habitats in the world, and mangrove loss is rampant across the globe. 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. “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. The current rate of destruction of mangroves is three to five times greater than the average rates of forest loss. Mangroves serve as nesting areas, for coastal birds such as brown pelicans and roseate spoonbills. Due to global warming, the sea levels are continuously rising. The main causes of the destruction of mangrove swampland include population pressure, conversion for shrimp and fish farming, agriculture, infrastructure and tourism, as … Causes of Depletion of mangroves Sea level rise and coastal erosion Due to global warming, the sea levels are continuously rising. 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. At the existing rate, South East Asia could lose 35 per cent of its mangrove cover of 2000 in the next 35 years. 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. Causes of Mangrove Depletion. 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. Mangrove restoration is the regeneration of mangrove forest ecosystems in areas where they 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. Sea level rise and coastal erosion. Reflect on the expected role of the public servant. “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 … Despite consistent experience of high growth, India still goes with the lowest indicators of human development. Please use a genuine email ID and provide your name. 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. Importance of mangroves in maintaining coastal ecology. Human activities are the leading causes for Mangrove destruction. 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. The loss of mangroves contributes to nearly one-fifth of global emissions from deforestation. 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. The mangroves act as shields and protect the inner coastal areas from destruction caused due to cyclones or storms. Thus, the mangroves have an important role in sustaining and preserving coastal ecosystem. Human activities are the leading causes for Mangrove destruction. 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. Oil spills cause damage to mangroves by coating roots, limiting the transport of oxygen to underground roots. … Updated on 03 Oct 2019 |   Added on .01 Oct 2019  |  by admin. They are referred to as ‘tidal forests’ and belong to the category of ‘tropical wetland rainforest ecosystem’. We are a voice to you; you have been a support to us. The mangroves are facing various threats,  causing its widespread destruction. Thus, the mangroves have an important role in sustaining and preserving the coastal ecosystem. UN report recommends implementation of policies and laws to protect mangroves. Sea level rise and coastal erosion. Thus, the mangroves have an important role in sustaining and preserving coastal ecosystem. 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. ... Obviously, their destruction is directly linked to the low catch of fish and shrimps. 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. As a result, mangroves get depleted to the tune of 2-8 percent annually. Mangroves are salt-tolerant vegetation that grows in intertidal regions of rivers and estuaries. Altogether, the 57 hectares of land was cleared to make way 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 The report recommends several measures to conserve and restore mangroves. Habitat destruction through human encroachment has been the primary cause of mangrove loss. Rates and drivers of mangrove deforestation in Southeast Asia, 2000–2012, Proceedings of the National Academy of … Various threats to the mangrove resources and their root causes should be identified, and earnest measures should be taken to eliminate those causes. "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 … We believe information is a powerful driver for the new tomorrow. All rights reserved. Many migratory species depend on mangroves for part of their seasonal migrations. Due to global warming, the sea levels are continuously rising. Causes of Depletion of mangroves. Causes of Depletion of mangroves. 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. The threats posed by human activities can upset the natural balance and cause their depletion. They also protect coastal communities from extreme weather events such as tropical storms, cyclones and tsunamis. 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. "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. Selected comments may also be used in the ‘Letters’ section of the Down To Earth print edition. More information: Daniel R. Richards et al. (2)Counter affects of tourism:-As the mangrove site attracts a lot of attention due to its beauty.Its … © Copyright Down To Earth 2020. 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. "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. Causes of Depletion of mangroves Sea level rise and coastal erosion Due to global warming, the sea levels are continuously rising. 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 … Comments are moderated and will be published only after the site moderator’s approval. Research shows that mangroves play a key role in carbon sequestration – removing about 1,000 tonnes of carbon per hectare – over thousands of years. The threats posed by human activities can upset the natural balance and cause their depletion. 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] . The importance of mangroves to people: a call to action. Mangroves are one of the most precious elements of coastal ecology due to their role as a sustainer of biological diversity of the region. Mangroves are salt-tolerant vegetation that grows in intertidal regions of rivers and estuaries. Coastal shields-The mangroves act as shields and protect the inner coastal areas from the destruction caused due to cyclones or storms. Together we build journalism that is independent, credible and fearless. 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. Reduction of river water due to dams has caused destruction of mangroves. Causing tremendous damage to mangroves, herbicides, oil spills, and other types of water pollution may result in the death of these plants. The threats posed by human activities can upset the natural balance and cause their depletion. V. MANGROVE DESTRUCTION IN MUMBAI Rapid developments like housing, industrialization, pollution and increasing population of Mumbai has resulted into degradation of mangroves.
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