Short Communication: Note on Excoecaria indica (Willd.) Muell.-Arg, 1863 (Euphorbiaceae), from the Andaman and Nicobar Islands, India; a data deficient species

Ragavan, P.; Ravichandran, K.; Mohan, P. M.; Sxaena, Alok; Prasanth, R. S.; Jayaraj, R. S. C.; Saravanan, S.

doi:10.13057/biodiv/d160104

Cited by 5 publications

(2 citation statements)

References 7 publications

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“…Regular field trips were carried out in Forest Reserve of Kenegerian Rumbio, Kampar District, Riau Province (Figure 1) during August to October, 2015. The exploration Pasak bumi plants (Eurycoma spp) followed method Mir et al, (2014); and Ragavan et al, (2015), which is free exploration of the path that has been determined, direct observation on plants, then collection of plants specimen. The plant image is captured by using the camera, which provides the taxonomic description.…”

Section: Methodsmentioning

confidence: 99%

New Record of Eurycoma Apiculata A.W. Benn (Simaroubaceae) From Forest Reserve of Kenegerian Rumbio, Riau, Indonesia

2019

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Section: Methodsmentioning

confidence: 99%

New Record of Eurycoma Apiculata A.W. Benn (Simaroubaceae) From Forest Reserve of Kenegerian Rumbio, Riau, Indonesia

2019

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“…In turn, E. agallocha has lateral roots that spread and mix with each other, supraterranean bands produce elbow-shaped pegs from pneumatophores(Mondal et al, 2016). According toRagavan et al, (2015), the genus Excoecaria has roots that are above the sediment and grow creeping. Plants with lateral roots can enhance nutrient exchange(Zürcher and Müller 2016).…”

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Bioaccumulation and Ecological Risk Assessment of Heavy Metal Contamination (Lead and Copper) Build Up in the Roots of <i>Avicennia alba</i> and <i>Excoecaria agallocha</i>

Khotimah,

Rozirwan,

Putri

et al. 2024

J. Ecol. Eng.

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Mangrove roots play an important role in reducing heavy metal pollution in their surroundings. This study aimed to assess the bioaccumulation and ecological risk assessment of heavy metal pollution in mangrove roots. Mangrove root samples consisting of two species (Avicennia alba and Excoecaria agallocha) were collected from two observation stations in the mangrove ecosystem of Payung Island, Banyuasin District, South Sumatra, Indonesia. Heavy metal concentrations were measured by atomic absorption spectrometry. Then, statistical analysis was carried out by one-way analysis of variance (ANOVA). Ecological risk assessment used the bioconcentration factor (BCF), geoaccumulation index (I geo ), contamination factor (Cf), and pollution load index (PLI). On the basis of the results, the highest sediment heavy metal concentration at station 2 was Pb amounted to 13.57 ± 0.46 mg/kg, and Cu amounted to 11.08 ± 0.38 mg/kg. In turn, the highest heavy metal concentration of mangrove roots in E. agallocha species for Pb amounted to 2.89 ± 0.033 mg/kg and A. alba for Cu amounted to 10.57 ± 0.38, BCF was classified as exclusion (BCF < 1), except for the BCF of Cu station 1, which was classified as hyperaccumulator (BCF > 1). Igeo shows that the level of pollution is not contaminated (I geo < 0), and Cf shows low pollution (Cf < 1), except Cf Pb station 2 is classified as moderate pollution. Conversely, PLI is included in the category of not polluted (PLI < 0). Mangrove roots play an important role in reducing heavy metal pollution in the surrounding area. Therefore, an in-depth understanding of heavy metal dynamics can be the basis for designing effective coastal environmental conservation strategies.

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Diversity, distribution and vegetative structure of mangroves of the Andaman and Nicobar Islands, India

Ragavan

Saxena²,

Mohan

et al. 2015

J Coast Conserv

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Short Communication: Note on Excoecaria indica (Willd.) Muell.-Arg, 1863 (Euphorbiaceae), from the Andaman and Nicobar Islands, India; a data deficient species

Abstract: Abstract. Ragavan P, Ravichandran K, Mohan PM, Sxaena A, Prasanth RS, Jayaraj RSJ, Saravanan S. 2015

Cited by 5 publications

References 7 publications

New Record of Eurycoma Apiculata A.W. Benn (Simaroubaceae) From Forest Reserve of Kenegerian Rumbio, Riau, Indonesia

New Record of Eurycoma Apiculata A.W. Benn (Simaroubaceae) From Forest Reserve of Kenegerian Rumbio, Riau, Indonesia

Bioaccumulation and Ecological Risk Assessment of Heavy Metal Contamination (Lead and Copper) Build Up in the Roots of <i>Avicennia alba</i> and <i>Excoecaria agallocha</i>

Diversity, distribution and vegetative structure of mangroves of the Andaman and Nicobar Islands, India

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