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- Title
Mangrove species distribution and water salinity: an indicator species approach to Sundarban.
- Authors
Barik, Jyotiskona; Mukhopadhyay, Anirban; Ghosh, Tuhin; Mukhopadhyay, Sandip Kumar; Chowdhury, Shahad Mahabub; Hazra, Sugata
- Abstract
The present study attempts to reveal the impact of salinity on mangrove species in terms of species distribution, and their trend of adapting to salinity changes. The study considers the mangrove species of entire Sundarban encompassing India and Bangladesh. The mangrove species distribution depends on a great deal on the salinity regime. Each mangrove species has optimal salinity range for its preferred habitat. This preference, as well as its tolerance level, may alter with the changing environmental regime. Based on this hypothesis, a few indicator species have been identified according to the preferred salinity. <italic>Ceriops</italic> and <italic>Avicennia</italic> have been identified as high salinity indicator species which are found in high frequency in the polyhaline zones, whereas <italic>Nypa</italic> and <italic>Heritiera</italic> are recognized as low salinity indicator species which show high abundance in oligohaline to mesohaline zones. <italic>Exoecaria</italic> and <italic>Bruguiera</italic>, the medium salinity indicator species, are found almost everywhere but are most abundant in the mesohaline zones. This study will help in evaluating the adaptive capacity of mangroves and also could build a functional relationship between their occurrences as indicator species with respect to the salinity.
- Subjects
MANGROVE ecology; SOIL salinity; SPECIES distribution
- Publication
Journal of Coastal Conservation (Springer Science & Business Media B.V.), 2018, Vol 22, Issue 2, p361
- ISSN
1400-0350
- Publication type
Article
- DOI
10.1007/s11852-017-0584-7