Blue carbon and the role of mangroves in carbon sequestration: Its mechanisms, estimation, human impacts and conservation strategies for economic incentives

IF 2.1 4区 地球科学 Q2 MARINE & FRESHWATER BIOLOGY
Bhavesh Choudhary , Venerability Dhar , Anil S. Pawase
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引用次数: 0

Abstract

Mangroves, tidal marshes, and seagrasses have been recognized as blue carbon coastal ecosystems as they accommodate large carbon stocks, enable long-term carbon storage, have the capacity to control greenhouse gas emissions and possess the potential to reduce the rise in atmospheric CO2 levels. In the tropical and subtropical intertidal zones, mangroves show significant productivity and rapid deposition rates. Mangroves play an important role in capturing, transforming, and storing CO2 in the atmosphere into coastal sediments for a long time, displacing organic carbon from the coastal zone to the offshores and the ocean. Mangroves also help in preventing storms, hurricanes, coastal erosion, and tidal waves. Recently, mangroves have been threatened by natural and anthropogenic activities such as urbanization, pollution, aquaculture and tourism. They are expected to hamper their essential services, such as coastal defense, breeding grounds for aquatic organisms' seafood supply, etc. Despite the importance of mangrove forests in carbon sequestration and the numerous goods and services they offer humans, wood and non-wood forest products, food, fisheries, medicines, eco-tourism, and recreation. These mangrove ecosystems are deteriorating at alarming rates, necessitating immediate intervention. Thus, the protection, restoration and conservation of this ecosystem are gaining considerable attention from researchers across the globe. This paper provides information on different mangrove adaptations, their mechanisms, roles in the ecosystem, carbon estimation, influencing factors, threats, and conservation strategies for carbon sequestration in this invaluable coastal habitat.

蓝碳和红树林在固碳中的作用:其机制、估算、对人类的影响以及经济激励的保护战略
红树林、潮汐沼泽和海草被认为是蓝碳沿海生态系统,因为它们容纳了大量的碳储量,能够长期储存碳,有能力控制温室气体排放,并具有减少大气中二氧化碳含量上升的潜力。在热带和亚热带潮间带,红树林显示出巨大的生产力和快速的沉积率。红树林在捕获、转化大气中的二氧化碳并将其长期储存到沿海沉积物中,将有机碳从沿海地区转移到近岸和海洋中方面发挥着重要作用。红树林还有助于防止风暴、飓风、海岸侵蚀和潮汐。最近,红树林受到了自然和人为活动的威胁,如城市化、污染、水产养殖和旅游业。预计这些活动将妨碍红树林的基本服务,如海岸防御、水生生物繁殖地、海鲜供应等。尽管红树林在碳封存方面非常重要,而且能为人类提供众多产品和服务,包括木材和非木材林产品、食品、渔业、医药、生态旅游和娱乐。这些红树林生态系统正在以惊人的速度恶化,必须立即采取干预措施。因此,保护、恢复和养护这一生态系统正受到全球研究人员的极大关注。本文介绍了红树林的不同适应性、其机制、在生态系统中的作用、碳估算、影响因素、威胁以及在这一宝贵的沿海栖息地进行碳固存的保护策略。
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来源期刊
Journal of Sea Research
Journal of Sea Research 地学-海洋学
CiteScore
3.20
自引率
5.00%
发文量
86
审稿时长
6-12 weeks
期刊介绍: The Journal of Sea Research is an international and multidisciplinary periodical on marine research, with an emphasis on the functioning of marine ecosystems in coastal and shelf seas, including intertidal, estuarine and brackish environments. As several subdisciplines add to this aim, manuscripts are welcome from the fields of marine biology, marine chemistry, marine sedimentology and physical oceanography, provided they add to the understanding of ecosystem processes.
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