Ecology of Seedlings of Mangroves Species on Estuarine East Coast of India


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Title Ecology of Seedlings of Mangroves Species on Estuarine East Coast of India
Creator Upadhyay, Veerendra P.; Ministry of Environment and Forests, Eastern Regional Office, Bhubaneswar 751023, India
Mishra, P. K.; Ministry of Environment and Forests, Eastern Regional Office, Bhubaneswar 751023, India
Subject Forest Ecology; Mangrove Ecology;
Bhitarkanika; Juveniles; Mangroves; Mature individuals; Regeneration; Population status
Mangroves; Regeneration
Description Mangroves are most productive ecosystems of the world. These ecosystems are subjected to various anthropogenic and climatic disturbances leading to ecological degradation both in quality and quantity. The human population living around the mangrove areas depends on these natural resources for sustaining their livelihood. Bhitarkanika mangroves in Orissa located on east coast of India occupy an area of 2021 sq. km are highly diverse but witnessing decrease in vegetation cover. The influence of tidal waves coupled with anthropogenic pressure does have impact on regeneration potential of these mangrove species of Bhitarkanika. The present study was done to assess the regeneration and seedling establishment in Bhitarkanika sanctuary by collecting data on seedling recruitment for 2 years. The seedling establishment is highest in rainy season (followed by Winter and Summer seasons) due to favorable factors of low salinity and high level of nutrients. Among the species Excocaria agallocha produced maximum number of seedling across all three seasons followed by Hertiera fomes, Sonneratia apetala and Avecenia officinalis. The correlation between number of seedlings and rainfall was highly significant. Old tree species in all stands are extremely limited that may be due to natural events like cyclonic storms. 
Date 2012-12-23
Type info:eu-repo/semantics/article
original research
Format application/pdf
Source International Journal of Ecology and Environmental Sciences; Vol 38, No 2-3 (2012); 101-107
Language eng
Coverage India; Orissa
Rights The copyright of the journal vests totally with the NATIONAL INSTITUTE OF ECOLOGY.This Journal is registered at the Copyright Clearance Center Inc. (CCC), 222 Rosewood Drive, Suite 910, Danvers, MA 01923, USA. The copyright owner consents that in the U.S.A. copies of the articles may be made for personal or internal use, or the personal or internal use of specific clients, on payment of a fee of US $ 25.00 per article per copy directly to CCC, for copying beyond that permitted by sections 107 or 108 of the US Copyright Law. This consent does not extend to other kinds of copying, such as copying for general distribution, for advertising or promotional purposes, for creating new collective works or for resale. The ONLINE OPEN ACCESS Content of the Journal is only for use of individuals. ANY person or publisher who dowloads the articles and reproduces them in any form- electronic, on a CD/DVD or in print for sale and commercial use shall be prosecuted.

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