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首页> 外文会议>International Conference on Environmental Science and Technology >AN ECOLOGICAL STUDY OF REPRODUCTION IN CORINGA MANGROVE FOREST, ANDHRA PRADESH, INDIA
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AN ECOLOGICAL STUDY OF REPRODUCTION IN CORINGA MANGROVE FOREST, ANDHRA PRADESH, INDIA

机译：印度Coringa Mangrove森林繁殖生态学研究

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Mangroves are dynamic and unique inter-tidal ecosystems, common in tropical and subtropical coastal environments. They are among the world's most productive ecosystems and are important in protecting coasts from erosion by fierce tides, in promoting the diversity of marine organisms and fisheries by contributing a quantity of food and providing favourable habitats for animals. These economic uses of mangroves indicate that they play an important role in the lives and economies in the coastal regions of different countries. Mangrove forests are under immense threat worldwide due to their multiple economic uses and alterations of freshwater inflows by various upstream activities in catchment areas. Mangrove plants with unique adaptations play a crucial role in sustaining life in mangrove forests. Their reproductive biology is central to understanding the structural and functional components of mangrove forests. The success of sexual reproduction and subsequent population expansion in mangrove plants is linked to flowering timings, pollinators and tidal currents. Viviparous and cryptoviviparous plants are true mangroves while non-viviparous ones are mangrove associates. The dispersal propagule is seedling in viviparous and non-viviparous plants while it is seed in nonviviparous plants. In this study, viviparous and crypto-viviparous species were included for study. These species are self-compatible, self-pollinating and also cross-pollinating; such a breeding system is a requirement for the success of sexual reproduction and subsequent build up and expansion of population. They are entomophilous in the study region. The viviparous plants include Ceriops tagal, C. decandra, Rhizophora apiculata, R. mucronata, Bruguiera gymnorrhiza and B. cylindrica. The non-viviparous plants include Avicennia alba, A. marina, A. officinalis, Aegiceras corniculatum and Aegialitis rotundifolia. Sexual reproduction and regeneration events are annual in these plants and are dependent on local insects, tidal currents and nutrient content in estuarine environment. In recent times, erratic and insufficient rainfall together with industrial pollutants released into rivers is causing negative effects on the growth, development and regeneration of mangrove flora. In effect, there is a gradual decrease in mangrove cover. Added to this is continuous exploitation of mangrove plants for fuel wood, creation of shelters for cattle and changes for industrial establishments and aquaculture development in estuarine regions. As a consequence, the existing mangrove cover is struggling to survive and also not in a position to support local needs and provide livelihood opportunities through fishery resources. Further, reduced mangrove cover is showing catastrophic effects on fishing communities who live along the shore line during the period of cyclonic surges and tsunami events.
机译：红树林是一种充满活力的和独特的潮间生态系统，在热带和亚热带沿海环境中常见。它们是世界上最富有成效的生态系统之一，并且通过促进海洋生物和渔业的多样性来保护海岸保护海岸，通过促进一定数量的食物，为动物提供有利的栖息地。这些经济用途的红树林表明他们在不同国家的沿海地区的生命和经济中发挥着重要作用。由于他们在集水区中的各种上游活动的多种经济用途和淡水流入的改变，红树林森林受到全世界的巨大威胁。具有独特适应的红树林植物在加勒布林森林维持生命中发挥着至关重要的作用。他们的生殖生物学是理解红树林森林的结构和功能成分的核心。性生殖和随后的人口扩张在红树林植物中的成功与开花时序，粉丝器和潮流相关联。 Viviparous和Cryptoviviparous植物是真正的红树林，而非viviparous的植物是红树林伙伴。分散型繁殖是viviparous和非viviparous植物中的幼苗，而在非生物植物中是种子。在本研究中，包括viviparous和加密viviparous物种进行研究。这些物种是自相互态的，自我授粉，也是交叉授粉;这种育种系统是对性繁殖成功的要求，随后建立和扩大人口。它们在研究区域遭受侵袭。 viviparous植物包括Ceriops Tagal，C. decandra，rhizophora apiculata，R. mucronata，Bruguiera gymnorrhiza和B. cylindrica。非viviAl植物包括avicennia alba，A.Marina，A. Officinalis，Aegiceras Corniculatum和Aegialitis rotundifolia。这些植物中的性生殖和再生事件是年度的，并依赖于雌卤素环境中的当地昆虫，潮流和营养含量。最近，与河流释放的工业污染物的降雨不稳定，降雨量不稳定，导致红树林植物群的生长，发展和再生产生负面影响。实际上，红树林覆盖逐渐减少。添加到这是连续利用红树林植物，为燃料木材，为河口地区的工业企业和水产养殖开发的牧场创造和改变。因此，现有的红树林封面正在努力生存，也没有能够支持当地需求并通过渔业资源提供生计机会。此外，减少的红树林覆盖在旋风浪涌和海啸事件期间沿着岸线居住的渔业群落表现出灾难性的影响。

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