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Growth Performance of Mangrove Species in Chakaria Sundarban

Shahidul Alam
Senior Field Assistant
United Nations High Commission for Refugees, Colombo, SriLanka

Md. Lokman Hossain
Department of Global Change Ecology, Faculty of Biology, Chemistry and Geosciences, University of Bayreuth, Bayreuth, Germany

Muhammad Abul Foysal
Chief of Research and Documentation, National Development Program, Sirajganj, Bangladesh

Khaled Misbahuzzaman
Institute of Forestry and Environmental Sciences, University of Chittagong, Chittagong, Bangladesh

Abstract/ Executive Summary:

Mangroves are unique ecosystems of land-sea interface in the tropical and sub-tropical regions of the world. The study was conducted in experimental mangrove nurseries established at two different sites in Chakaria Sundarban of Cox’s Bazar, Bangladesh to assess survival percentage and growth performance of four mangrove species (Sonneratia apetala, Avicennia alba, Avicennia marina and Excoecaria agallocha). Height and collar diameter were measured in one month intervals. The study showed that after three months, the highest (53.33%) and the lowest (6.67%) survival percentage was found in Keora and Gewa seedlings in Chaurfari site. In Chuarfari, the maximum (44.12 cm) height was found in Moricha Baen followed by Sada Baen (36.85 cm) and Keora (29.58 cm). After three month, Keora in both sites showed better collar diameter (1.08 cm in Chaurfari and 1.04 cm in Badarkhali) compared to other species. The study recommends the plantation of Keora, Moricha Baen and Sada Baen mangrove species in both sites.

Keywords: Mangrove plantation, Growth, Ecosystem, Forest Degradation, Coastal Afforestation

Location: Chakaria Sundarban in Cox’s bazaar district

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Mangrove, Keora, Gewa

Objectives:

To assess the survival percentage and growth performance of four mangrove tree seedlings (Gewa, Sada Baen, Moricha Baen, and Keora) at two different locations in Chakaria Sundarbans.

Methodology:

The was conducted at Chakaria Sundarban (Chuarfari and Badarkhali sites) in the delta of Matamuhuri River of Cox’s bazaar district, the south eastern part of Bangladesh. Mean annual maximum and minimum temperature of the area varies between 20° and 32° and annual rainfall is about 3500 mm. The Chakaria sundarban is bounded by Maheskhali channel and Matamuhuri khal to the west and Medi khal to the east. To the north it is extended up to Malumghat. In Chuarfari site the soil varies from clay to clayey loam. Most of the area of this site is occupied for shrimp culture. Badarkhali site is in the Maheskhali channel where soil is clayey and sandy loams. The salinity is remarkably easily lower during the monsoon. Four tree species namely; Keora (Sonneratia apetala), Sada Baen (Avicennia officinalis), Moricha Baen (Aviccnnia alba) and Gewa (Excoecaria agallocha) were selected purposively for the study. In each site 15 plots were prepared for planting the seedlings. In total, two hundred and forty seedlings (60 seedlings of each species in both sites) were planted. Seedlings were planted in Chaurfari on 29 June 2009 and in Badar Khali on 30 June 2009. In Chuarfari, Sada Baen on plot 1-4, Moricha Baen on 5-7, Gewa on 8-10, Keora on 11-15 and in Badar khali, Sada Baen on plot 1-4, Maricha Baen on 5-7, Gewa on 8-11, Keora on 12-15 were planted. Then growth data were measured at one month intervals for 3 successive months. Collar diameter measured using slide callipers at 2 cm above the soil and height was taken from the ground to the tip of the plants. Data were analyzed using MS Excel 2007.

Source of Information: International Journal of Ecosystem, 2014; 4(5): 233-238 , p-ISSN: 2165-8889, e-ISSN: 2165-8919

Article Link (Online Journal): http://article.sapub.org/10.5923.j.ije.20140405.04.html

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The Keora, Moricha Baen and Sada Baen tree seedlings are suitable mangrove species in both locations (Chuarfari and Badarkhali sites) from the point of view of survival percentage and growth performance in Chakaria Sundarbans.

Knowledge Management: Journal