A new record of the seagrass Halophila beccarii Ascherson from the Port Blair coast, Andaman and Nicobar Islands, India

Savurirajan, M.; Lakra, Raj Kiran; Thiruchitrambalam, Ganesh

doi:10.1515/bot-2014-0076

Cited by 14 publications

(18 citation statements)

References 9 publications

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“…Though H. beccarii is mostly associated with mangrove areas, this seagrass was also found associated with other seagrasses such as Halophila ovata, Halophila ovalis, Halodule uninervis and Halodule pinifolia in Chilika lagoon, Odisha (Sahu et al, 2014;Pati et al, 2014), Pullicat lake, Andhra Pradesh (Vani et al, 2018), Palk bay and Gulf of Mannar, Tamil Nadu, (Ramamurthy, 1981;Raghavan and Deshpande, 1982;Parthasarathy et al, 1988Parthasarathy et al, , 1991, Puducherry coast (Kalimuthu et al, 1995) and Hado bay, Andaman and Nicobar Islands (Savurirajan et al, 2015) on the east coast of India (Fig.3). Other than mangroves and seagrass, H. beccarii was also found being associated with seaweeds, such as Hypnea valentia on the east coast (Parthasarathy et al, 1988;Kalimuthu et al, 1995) and Enteromorpha linza in Kadalundi estuary, west coast (Kaladharan and Asokan, 2012).…”

Section: Distribution Of H Beccarii In Indiamentioning

confidence: 88%

“…Untawale and Jagtap, (1981) proposed that the plant migrated to the west coast from other locations of west coast of Indian Ocean through a peculiar phenomenon of 'one jump migration', where the plant transports and establishes itself through plant fragmentation (Lipkin, 1972). Savurirajan et al, (2015) Through its distribution on both coast of India, H. beccarii has been found in shallow sandy and silty or muddy or clayey habitat within a depth limit from zero to 1m on the west coast (Parthasarathy et al, 1988;Jagtap, 1991) and one to 1.7 m on the east coast ( Jagtap, 1996;Mathews et al, 2010), that is reflected through its presence near to mangrove zonation or mangrove mudflats. This association of H. beccarii was observed at Pichavaram mangrove area, Tamil Nadu on the east coast of India (Parthasarathy et al,1988(Parthasarathy et al, ,1991Bharathi et al, 2014) and the mangrove zones of Mandovi estuary, Goa Jagtap and Untawale, 1981;Jagtap, 1991), Shirgaon creek mangroves, Achra creek and Kolamb mangrove creek, Maharashtra (Jagtap, 1991, Apte et al, 2016, Kumbala and Kadalundi estuary, Karnataka (Kaladharan and Asokan, 2012) on the West coast of India ( Fig.3 and 5).…”

Section: Distribution Of H Beccarii In Indiamentioning

confidence: 99%

“…are only reported from the west coast and other features like canopy height and productivity are reported only from east coast (Bharathi et al, 2014). Various morphometric features like leaf thickness, petiole thickness, internode diameter, root length and root diameter are reported for the first time by Savurirajan et al, (2015), when they first recorded H. beccarii from the Andaman and Nicobar Islands ( Table 1). The number of leaves of H. beccarii and leaf length are almost similar between the both coasts.…”

Section: Morphometric Traitsmentioning

confidence: 99%

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The Current Status of Halophila beccarii: An Ecologically Significant, Yet Vulnerable Seagrass of India

Mishra

Apte

2020

Preprint

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We reviewed the current status of a Vulnerable seagrass, Halophila beccarii from the coast of India using the published data from 1977-2020. We found that the seagrass, H. beccarii has a pan India distribution on both east and west coast. It is abundant in the intertidal silty-muddy region on the west coast, while on the east coast it is found on sandy habitats, with few exceptions of muddy habitat. H. beccarii was found to be associated with mangroves or smaller seagrass species within a depth limit of 1.7m. Low salinity and high nitrate levels were observed for the H. beccarii meadows of the west coast due to its association with mangroves. The nutrient levels in H. beccarii meadows of India were comparatively lower than other seagrass meadows. Most of the research on H. beccarii has focoused on its morphometrics (41%), reproductive (33%) and distribution (29%) along the coast of India. Reproductive traits such as flowering and fruiting varying according to the seasons of each coast due to the influence of monsoon and its associated temperature, salinity and nutrient influx. H. beccarii has a great potential of various bioactive compounds, which needs further investigation. Habitat disturbance, anthropogenic pollution and coastal development are the major cause of declining H. beccarii ecosystems in India. Significant loss of the seagrass was observed from the west coast of India due to increased coastal development activities. There is a significant need in quantifying H. beccarii population trends, impact of climate and anthropogenic stressors, economic values of ecosystem services and the role of ecological connectivity for better conservation and management of H. beccarii seascapes across India. There is a need for integration of research outcomes in policy framing for preventing the decline and further loss of this vulnerable seagrass ecosystem.

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Section: Distribution Of H Beccarii In Indiamentioning

confidence: 88%

Section: Distribution Of H Beccarii In Indiamentioning

confidence: 99%

Section: Morphometric Traitsmentioning

confidence: 99%

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The Current Status of Halophila beccarii: An Ecologically Significant, Yet Vulnerable Seagrass of India

Mishra

Apte

2020

Preprint

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“…In India, around 21 species belonging to 6 genera have been reported [21]. Recently, 44 seagrass meadow locations across the Andaman and Nicobar archipelago are reported where the dugongs have been sited to graze in these meadows [22] [22][23][24][25]. Similarly, 13 species from the Gulf of Mannar [26], seven species from the Lakshadweep Islands [27], and 13 species from Palk Bay have been recorded [28] (Figure 1).…”

Section: Biodiversity Of Seagrasses In India and Andaman And Nicobar Ismentioning

confidence: 99%

Seagrass Ecosystems of Andaman and Nicobar Islands: Status and Future Perspective

Ramesh¹,

Mohanraju²

2020

EESRJ

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Seagrasses are unique marine flowering plants that play an important ecological role by yielding primary production and carbon sequestration to the marine environment. Seagrass ecosystems are rich in organic matter, supporting the growth of bio-medically important epi and endophytic microorganisms and harbor rich marine biodiversity. They are an essential food source for endangered Andaman state animal Dugongs. Seagrasses are very sensitive to water quality changes, and therefore they serve as ecological bio-indicators for environmental changes. The benthic components in and around the seagrass beds support a significant food chain for other Micro and organisms apart from fishery resources. The epiphytic bacterial communities of the leaf blades support the sustenance against the diseases. Recent reports have shown that the loss of seagrass beds in tropical and temperate regions emphasizes the depletion of these resources, and proper management of seagrass is urgent. The decline of seagrass will impact primary production, biodiversity, and adjacent ecosystems, such as reefs. Therefore, restoring the seagrass meadows could be possible with effective implementing management programs, including seagrass meadows in marine protected areas, restoration projects, seagrass transplantation, implementation of legislative rules, monitoring coastal water quality and human activities in the coastal zone. Lacunas on the seagrass ecosystem management in Andaman & Nicobar Islands are addressed.

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“…Seagrasses are marine submerged flowering plants, which are widely distributed along all tropical and temperate coastlines (Patro et al., 2017; Savurirajan et al., 2015; Short et al., 2007). These shallow marine ecosystems significantly support human populations with twenty‐four types of ecosystem services (Green & Short, 2003; IUCN, 2019; Nordlund et al., 2018; Prabhakaran, 2008).…”

Section: Introductionmentioning

confidence: 99%

The occurrence of vulnerable seagrass species Halophila beccarii Ascherson, 1871 from restored mangrove of Koduvally Estuary, south‐west coast of India

2020

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The ocean turf grass, Halophila beccarii Ascherson, 1871 was recorded for the first time in the intertidal region of the restored mangrove ecosystem of the Koduvally Estuary on the south‐west coast of India. It was found co‐existing in the shallow muddy area of the mangroves, dominated by mangrove trees of Rhizophora mucronata and Sonneratia alba, and macroalgae, Ulva sp., Enteromorpha sp. and Chaetomorpha sp. The meadow is sparsely scattered with shoots near the mangroves, with a mean density of 720 shoots/m2. Details regarding the morphology and hydrographic conditions are described. The occurrence of H. beccarii in the Koduvally estuary is an encouraging sign of improved ecosystem health through mangrove restoration. The development of seagrass meadow in the estuary will improve the sediment stability and water quality. A further comprehensive study on the spatiotemporal variation of this species in the estuary is also recommended for conservation and management of this vulnerable seagrass species.

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A new record of the seagrass Halophila beccarii Ascherson from the Port Blair coast, Andaman and Nicobar Islands, India

Cited by 14 publications

References 9 publications

The Current Status of <em>Halophila beccarii</em>: An Ecologically Significant, Yet Vulnerable Seagrass of India

The Current Status of <em>Halophila beccarii</em>: An Ecologically Significant, Yet Vulnerable Seagrass of India

Seagrass Ecosystems of Andaman and Nicobar Islands: Status and Future Perspective

The occurrence of vulnerable seagrass species Halophila beccarii Ascherson, 1871 from restored mangrove of Koduvally Estuary, south‐west coast of India

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