Dynamics of mangrove diversity influenced by climate change and consequent accelerated sea level rise at Indian Sundarbans

Chowdhury, Abhiroop; Sanyal, Pranabes; Maiti, Subodh Kumar

doi:10.1504/ijgw.2016.076333

Cited by 39 publications

(36 citation statements)

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“…that are tolerent to high salinity stress, have shown a profuse growth and a comparatively better survival rate (81.5 %) than the saplings (68.5 %). Previous works by Chowdhury et al 2016 , have also indicated that Avicennia marina can tolerate high salinity stress resulting due to the influx of salt water from sea during storm surges like AILA (2009). This trait makes one of the most suitable colonizers outcompeting the salt sensitive species, due to sea level raise and climate change.…”

Section: Resultsmentioning

confidence: 91%

“…This in turn would help in preserving/conserving this fragile mangrove habitat. Settlement in these islands large tracks of mangrove forests have been cleared, which need to be re-vegetated for the dual purpose of mangrove conservation and protecting the embankments during any natural calamities like cyclone/storm surges (Chowdhury and Maiti 2014 ; Chowdhury et al 2016 ). The PCFC members actively took part in the plantation plan.…”

Section: Resultsmentioning

confidence: 99%

“…Then, in long term Mangrove would protect the country from both ill effect of climate modification and also from erosion of land. Works of Chowdhury et al ( 2016 ) highlights that the climate change/sea level raise was responsible for the exclusion of true mangrove varieties (Rhizophoraceae members and plants with prominent physiological/phenological/morphological adaptations to combat salt stress) with salt tolerant/invasive species in central parts of Indian Sundarbans between 2008 and 2013. So sea level raise and climate change have deleterious influence on the mangrove ecology and re-vegetating the naked/deforested mudflats were a small step taken through this climate change adaptation project to conserve the mangrove varieties as well as increasing CO 2 sequestration.…”

Section: Resultsmentioning

confidence: 99%

“…Deltas are the world’s most vulnerable yet most populated regions with respect to the climate change influences. About 300 million people inhabiting the major deltas of the world (populaion density: 500 people/km 2 ), are at an escalated risk due to climate change causing sea level rise and increase in natural disasters along the coast (Ericson et al 2006 ; Nicholls et al 2007 ; Chowdhury et al 2016 ).…”

Section: Introductionmentioning

confidence: 99%

“…The Ganga–Brahmaputra–Meghna delta has already been labelled as the ‘Extremely vulnerable’ zone in the terms of population displacement due to climate change and raising ocean levels by 2050 (Ericson et al 2006 ; Nicholls et al 2007 ; Chowdhury and Maiti 2014 ; Chowdhury et al 2016 ). It covers an approximate area of 10,000 km 2 , with one of the highest population density in the globe, shared by two nations, India (40 %) and Bangladesh (60 %) and is the abode of the world’s largest contiguous mangrove forest of Sundarbans (Maiti and Chowdhury 2013 ).…”

Section: Introductionmentioning

confidence: 99%

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How to communicate climate change ‘impact and solutions’ to vulnerable population of Indian Sundarbans? From theory to practice

2016

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Introduction: Global consciousness on climate change problems and adaptation revolves around the disparity of information sharing and communication gap between theoretical scientific knowledge at academic end and practical implications of these at the vulnerable populations' end. Coastal communities facing socio-economic stress, like densely populated Sundarbans, are the most affected part of the world, exposed to climate change problems and uncertainties. This article explores the successes of a socio-environmental project implemented at Indian Sundarbans targeted towards economic improvement and aims at communicating environmental conservation through organized community participation.Case description: Participatory rural appraisal (PRA) and the wealth rank tool (WRT) were used to form a "group based organization" with 2100 vulnerable families to give them knowledge about capacity building, disaster management, resource conservation and sustainable agriculture practices. Training was conducted with the selected group members on resource conservation, institution building, alternative income generation activities (AIGA) like, Poultry, Small business, Tricycle van, Organic farming and disaster management in a participatory mode. The climate change 'problems-solutions' were communicated to this socio-economically marginalized and ostracized community through participatory educational theater (PET). Discussion and evaluation:WRT revealed that 45 % of the population was under economic stress. Out of 2100 beneficiaries' , 1015 beneficiaries' started organic farming, 133 beneficiaries' adopted poultry instead of resource exploitive livelihood and 71 beneficiaries' engaged themselves with small business, which was the success stories of this project. To mitigate disaster, 10-committees were formed and the endemic knowledge about climate change was recorded by participatory method validated through survey by structured questionnaire. As a part of this project 87 ha of naked deforested mudflat was reclaimed with endangered mangroves involving target community members aimed to sequester CO 2 , control soil erosion and act as a barrier during natural disasters. Conclusion:This case study concluded that participatory method of communication, aiming not only to communicate theoretical knowledge, but also to devise adaptation strategies through conservation of endemic knowledge, popularizing sustainability through Micro Finance Institutions and promoting AIGA along with motivating vulnerable community to restore degraded forest lands, could be a effective solution to practically combat climate change problems.

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Section: Resultsmentioning

confidence: 91%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%