Species composition and structure of coral community of a platform reef at Bach Long Vi Island in the South China Sea

Latypov, Yu. Ya.

doi:10.1134/s1063074008040068

Cited by 7 publications

(11 citation statements)

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“…It has been established that their ecological condition has improved markedly: the species diversity in the areas has not diminished over the past five years, and significantly exceeds that on the adjacent unprotected reefs [11,24,34]. The example of the reef of Hon Nai Islands protected by the company Sanest is a convincing proof of the positive effect on the health of the reef.…”

Section: Discussionmentioning

confidence: 75%

“…The non-structural adjacent reef of Hon Nai Islands is comparable with other reefs of southern Vietnam in morphology, the degree of development of coral structures, qualitative and quantitative composition to corals [9,11,21,22]. From 169 scleractinian species found on this reef, 58% -69% werecommon with reefs of the Nha Trang Bay, Con Dao Island, the Gulf of Siam and Tonkin Bay [12,23].…”

Section: Discussionmentioning

confidence: 99%

“…Coefficients of species diversity corals were calculated to Mandaville [7] bythe formula: H = −Σ[(n i /N) × (lnn i /N)], where H-Shannon Diversity Index, n i -number of individuals belonging to i species, N-total number of individuals), the level of similarity was assessed by Jaccard's index [8]. Cluster analysis of the species composition was performedby Ward's method with Statistica 6, software using original data earlier studies [4,[9][10][11].…”

Section: Methodsmentioning

confidence: 99%

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Encrusting protected reef Hon Nai in Cam Ranh Bay in the South China Sea

Latypov¹

2012

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A protected non-structural reef in Сam Ranh Bay in southern Vietnam was surveyed. A high diversity was found among scleractinian and accompanying mass species of macrobenthos. Thirtyfour species were identified only among genera Acropora; it made 80% of the total composition of these Scleractinian on reefs of Vietnam and a quarter of the total abundance of these corals on reefs in the Indo-Pacific. A new species, Favites сamranensis sp. nov, earlier unknown for science, has been found. The vertical bionomic zonality corresponding to zonal distribution of environmental factors on the reef under study is similar to that on reefs of the Siam Bay, different regions of the Pacific and the Caribbean Basin. Expansion of prosperous state of the reef and minimization of anthropogenic influence on some reefs of Vietnam had a positive effect on their state. It is supposed, that the reef at Hon Nai Island is obliged by the prosperity to security measures and minimization of the anthropogenous influence, provided with the decision of government SRV and company "Sanest".

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Section: Discussionmentioning

confidence: 75%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Encrusting protected reef Hon Nai in Cam Ranh Bay in the South China Sea

Latypov¹

2012

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“…The non structural fringing reef at Noi Island, in terms of its morphology and degree of development of corallogenic structures, as well as the qualitative and quantitative compositions of its corals, is comparable with other reefs of South Vietnam [4][5][6]10]. Among 169 scleractinian species found on these reefs, 58-69% were also recorded on the reefs of Nha Trang Bay, the Con Dao Islands, the Gulf of Thailand, and the Gulf of Tonkin [7,22].…”

Section: Discussionmentioning

confidence: 96%

“…The degree of spe cies diversity and index of similarity were calculated by Margalef [26] and by using the Jaccard index [17], respectively. A cluster analysis of the scleractinian spe cies composition of the Noi Island reef and several other reefs of Vietnam was performed using Ward's method involving the data of the senior co author of this paper that were published elsewhere [2,4,9,10,20,21].…”

Section: Hydrobiology the Composition And Structure Of A Protected Comentioning

confidence: 99%

The composition and structure of a protected coral reef in Cam Ranh Bay in the South China Sea

Latypov

Селин

2012

Russ J Mar Biol

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112The Hon Nai Islands are a group of islands located 11 km to the east of the coastline between the cities of Cam Ranh and Nha Trang. The largest Noi Island is somewhat more than 0.8 km long from north to south (12°03′50′′ N, 109°19′85′′ E and 12°02′75′′ N, 109°19′70′′ E). The island is made of large blocked dacite and is surrounded by a sandy platform with depths of 6-15 m along the eastern side and 9-20 m at the western coast. The bedrocks of the island and their blocky debris stretch from southwest to northeast in 5-20 m wide bands. Coral settlements develop mostly on submarine bedrock exposures and, in smaller amounts, on a corallogenic substrate that is composed of blocks no more than 1 m in size. The island is the property of the Sanest Co., which abso lutely prohibits any access to its submarine resources. The coral ecosystem developed at the southwestern part of the island is characterized by surprisingly clear water and extremely high species diversity of reef building corals and associated organisms, thus differ ing significantly from the ecosystems of the adjacent mainland and insular reefs [8,12].The specificity of geomorphology and climatic conditions allows one to divide the reefs of the World Ocean, in particular, the reefs of Vietnam, into two types. The reefs of the first type, also called "structural reefs" [33], demonstrate pronounced zonation (com prising lagoons, reef flats, etc.) and strong corallogenic carbonate structure; they are common in the tropical zone of the World Ocean. In reefs of the second type, including the reef at Noi Island, the morphological zonation is weakly pronounced and carbonate depos its develop small scale coral populations that make almost no changes to the substrate profile; however, their bionomical zonation is comparable with that of the structural reefs. These are so called non structural or encrusting reefs that often occur among reefs of the monsoon type [21,33]. The species diversity of the reef at Noi Island, which is unusual for the present time, motivates the necessity for investigations of the species composition and distribution peculiarities of scleractinians and associated macrobenthos of this reef. MATERIALS AND METHODSThe composition and distribution of scleractinians and common macrobenthic species and community structure in each reef zone at Noi Island were studied using scuba gear (Fig. 1). The studies were performed following generally accepted hydrobiological tech niques, with transects and standard frames [25]. The density of branched, massive, encrusting, and funnel form scleractinian colonies and the degree of substrate coverage by corals were estimated along a 100 m long transect using a 1 m 2 frame divided into 100 equal parts. At the same time we also determined the density of common species of macrophytes and echinoderms, HYDROBIOLOGY Abstract-A nonstructural reef at Hon Nai Island in Cam Ranh Bay (southern Vietnam) was investigated. In comparison with most of the coastal continental and island coral reefs of this region, it is characte...

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The spatial-temporal variability and stability of Vietnamese reef communities

Latypov

2015

Russ J Mar Biol

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During expeditions in 2010 and 2013 on the R/V Akademik Oparin the individual coral reefs of Vietnam, whose species compositions and structures of benthic communities were first studied and described in the 1980s, were surveyed. The current state of the coral reefs was studied, significant changes in the abun dances of certain hydrobionts were considered, and possible causes of these changes were discussed. It was determined that the general geomorphological zoning of the reefs, species composition, and the structure of the coral communities of the Con Dao, Lý Són (Cú Lao Ré), and Thu islands have not changed significantly. However, negative changes have occurred in reefs of the Namsu (Gulf of Thailand) and Hon Mieu (Nha Trang Bay) islands as a result of increasing anthropogenic impacts. In reefs of the Cu Lao Cham and Tho Chau islands, which were almost completely destroyed or badly damaged by powerful typhoons in 2006 and 2009, signs of gradual recovery of the surviving coral and the formation of new coral populations were recorded.

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Species composition and structure of coral community of a platform reef at Bach Long Vi Island in the South China Sea

Cited by 7 publications

References 5 publications

Encrusting protected reef Hon Nai in Cam Ranh Bay in the South China Sea

Encrusting protected reef Hon Nai in Cam Ranh Bay in the South China Sea

The composition and structure of a protected coral reef in Cam Ranh Bay in the South China Sea

The spatial-temporal variability and stability of Vietnamese reef communities

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