Forest Structure and Community Composition of Cochin Mangroves, South-West Coast of India

Varghese, Rani; Sreelekshmi, S.; Asha, Chalil Veedu; Nandan, S. Bijoy

doi:10.1007/s40011-016-0738-7

Cited by 22 publications

(11 citation statements)

References 17 publications

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“…The community similarity index illustrates the level of structural similarity and species composition of the stands being compared. The similarity index value ranges from 0-100%, where the higher the value of the index of species similarity indicates the higher the level of similarity of species between the two communities compared, can also be interpreted that the higher the index value of the similarity of species (Rani et al 2018).…”

Section: Mangrove Communitymentioning

confidence: 99%

Mangrove vegetation and bird communities around Tegal Port, Central Java, Indonesia

Isworo

Oetari²

2020

Biodiversitas

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Abstract. Isworo S, Oetari PS. 2020. Mangrove vegetation and bird communities around Tegal Port, Central Java, Indonesia. Biodiversitas 21: 1551-1560. The ecological balance in Tegal harbor area needs to get serious attention due to the impacts of Tegal Port activities. For this purpose, the diversity of mangrove and avifauna (bird) can be used as bio-indicators of the ecological stability of the area. This study aimed to assess and analyze the diversity of plants and avifauna (birds) that live in mangrove and coastal zones around Tegal Port development area. Data collection was conducted using purposive random sampling method on two sites for vegetation and three sites for avifauna. The importance value index, Shannon-Wiener diversity index and Sorensen’s similarity index was calculated for the vegetation. For birds, we calculated the diversity and similarity index as well as identified their conservation status based on the IUCN Red List, CITES and government regulations. In terms of vegetation, Rhizophora mucronata and Avicennia marina dominate Site 2 (Tegalsari) while Casuarina equisetifolia and R. mucronata dominate Site 3 (Alam Indah Beach). Overall, the vegetation has low biodiversity index and similarity between sites is also low. For bird, there are 37 species from 18 families. Site 1 (Muara Reja) has the highest number of species with 29 species, followed by Site 2 (Tegalsari) with 25 species, and Site 3 (Alam Indah Beach) with 22 species. The three sites have moderate diversity index and there is high similarity index between sites. All bird species found in the study sites are listed as Least Concern under IUCN Red List, while there are two species protected under national protection law, i.e. Ardea alba and Glareola maldivarum. In general, the condition of mangrove vegetation around Tegal Port has low diversity. This suggests that the pressure on the environment is quite high, causing only few plant species to be able to live and dominate the ecosystem. The limited vegetation also causes birds community, especially the protected A. alba and G. maldivarum in Site 2, becomes increasingly difficult to find, because places to find food, breeding places and places to rest are disturbed.

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Section: Mangrove Communitymentioning

confidence: 99%

Mangrove vegetation and bird communities around Tegal Port, Central Java, Indonesia

Isworo

Oetari²

2020

Biodiversitas

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“…Basal area is an indicator for measuring forest-stand development and understanding species population, biomass and productivity in response to stress factors (Twilley 1998) Further, more than 50% of basal areas and IVI were represented by Avicennia species, which showed the dominance of this species in mangroves of Kerala as already reported by various researchers (Nameer et al 1992;Suresh Kumar and Mohan Kumar 1997;Rahees et al 2014;Vijayan et al 2015;Rani et al 2016). Usually the structural development of the pioneer species of mangrove ecosystem is considered for checking the maturity of that forest and after considering the overall structural data (Pellegrini et al 2009).…”

Section: Vegetative Structurementioning

confidence: 60%

“…Earlier studies also reported the degraded nature of mangroves of Kerala (Basha 1991(Basha , 1992Nameer et al 1992;Suresh Kumar and Mohan Kumar 1997;Rahees et al 2014;Vijayan et al 2015;Rani et al 2016;Khaleel 2005). All of the mangrove areas, except Thiruvananthapuram, had low MIVs, which indicated the absence of matured forest.…”

Section: Vegetative Structurementioning

confidence: 88%

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Structure and regeneration status of mangrove patches along the estuarine and coastal stretches of Kerala, India

George

Krishnan²,

Mini

et al. 2018

J. For. Res.

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“…But in Indian context, studies on mangrove forest structure are very limited. Forest structural studies on Indian mangrove forests at Pichavaram and Muthupet [15][16][17], in Andaman Islands [18][19][20][21][22][23], in Odisha [24,25], in Andhra Pradesh [26][27][28][29], in Kerala [30][31][32][33][34][35], in Gujarat [36] and in Sundarbans [37][38][39][40][41][42][43][44] are noteworthy. Complexity index (Ic) and…”

Section: Mini Reviewmentioning

confidence: 99%

Status of Indian Mangroves

Ragavan

2018

OFOAJ

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Forest Structure and Community Composition of Cochin Mangroves, South-West Coast of India

Cited by 22 publications

References 17 publications

Mangrove vegetation and bird communities around Tegal Port, Central Java, Indonesia

Mangrove vegetation and bird communities around Tegal Port, Central Java, Indonesia

Structure and regeneration status of mangrove patches along the estuarine and coastal stretches of Kerala, India

Status of Indian Mangroves

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