Extended distribution of Kandelia candel along the coast of Andhra Pradesh, India – taxonomic identification with molecular confirmation

The paper describes the first report of Kandelia candel (Rhizophoraceae), a rare mangrove from Bhavanapadu, a coastal village in Srikakulam district in Andhra Pradesh, India. This species is relatively less abundant along the east coast of India. During our study covering all the 41 mangrove patches...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom 2022-12, Vol.102 (8), p.604-612
Main Authors: Pranav, P., George, Grinson, Ranith, R., Nandini Menon, N., Gopalakrishnan, A., Shameem, U.
Format: Article
Language:English
Subjects:
Biotechnology
Coasts
DNA barcoding
Fisheries
Fisheries research
Gene sequencing
Identification
Kandelia candel
Landsat satellites
Mangroves
Marine fish
Marine fisheries
Marine Record
Morphology
Museums
Nucleotide sequence
Phylogenetics
Principal components analysis
Proliferation
Rare species
Taxonomy
Trees
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Summary:The paper describes the first report of Kandelia candel (Rhizophoraceae), a rare mangrove from Bhavanapadu, a coastal village in Srikakulam district in Andhra Pradesh, India. This species is relatively less abundant along the east coast of India. During our study covering all the 41 mangrove patches in the state of Andhra Pradesh, 16 mangrove species were observed throughout the state and the Kandelia candel was seen only in Bhavanapadu (patch 2). The plant sighted was identified using taxonomic keys and confirmed using DNA barcoding. The identified specimen is deposited in the museum repository at ICAR-Central Marine Fisheries Research Institute (CMFRI), Kochi (accession no. MB.1.1.1.1) and its gene sequence is deposited in National Center for Biotechnological Information (NCBI) (accession no. MH243746). Patch 2 where K. candel was observed is separated away from the other clusters in the principal component one, with the patch showing an average dissimilarity of about 71.79% from the other patches. K. candel is a mangrove highly sensitive to changes in salinity. The presence of a lone member of a rare species in the state at the sampling location raises questions on its endurance in the region. The study underlines the relevance of monitoring the mangroves and advocate adequate conservation measures for proper protection, proliferation and management of this globally dwindling resource.
ISSN:0025-3154
1469-7769
DOI:10.1017/S0025315422000947