COMMUNITY STRUCTURE AND SPATIAL DISTRIBUTION OF FISH JUVENILE IN MANGROVE AND SEAGRASS HABITATS IN PRAMUKA ISLAND

2016 ◽  
Vol 8 (1) ◽  
pp. 187-199 ◽  
Author(s):  
Fathul Amin ◽  
M Mukhlis Kamal ◽  
Am Azbas Taurusman
Keyword(s):  
Spatial Distribution ◽  
Community Structure ◽  
Fish Species ◽  
Species Abundance ◽  
Fish Distribution ◽  
Line Transect ◽  
Siganus Canaliculatus ◽  
Significant Difference ◽  
Line Transect Method ◽  
Distribution Of Fish

This study was aimed to investigate the community structure of fish juvenile, spatial distribution and similarity from both adjacent habitats of mangrove and seagrass. This study was conducted in the eastern part of Pramuka island from April to June 2015. The samples were collected by using line transect method in three observation areas that were spatially connected i.e., mangrove, transition and seagrass zones. The result of the study from three observation zones revealed that there were found 24 species of fishes from 15 families i.e., Siganidae (4 species), Apogonidae (3 species), Ger-reidae (2 species), Terapontidae (2 species), Gobiidae (2 species), Labridae (2 species), Mugilidae, Nemipteridae, Hemiramphidae, Sphyraenidae, Monacanthidae, Atherinidae, Pomacentridae, Lut-janidae, and Lethrinidae (each of them 1 species). According to community structure, the adjacent ob-servation zones did not show a significant difference in the number of species, abundance, and bio-mass. According to fish distribution, fish species in transition zone and seagrass zone were relatively similar and dominated by Gerres oblongus, Fibramia lateralis, and Siganus canaliculatus. Mean-while, in mangrove zone revealed a significant different of fish species than in transition and seagrass zones.  In mangrove zone, fish species was dominated by Gerres oblongus and Siganus guttatus.  Keywords: spatial distribution, juvenile, mangrove, seagrass, pramuka Island, Siganidae

scholarly journals COMMUNITY STRUCTURE AND SPATIAL DISTRIBUTION OF FISH JUVENILE IN MANGROVE AND SEAGRASS HABITATS IN PRAMUKA ISLAND

2016 ◽  
Vol 8 (1) ◽  
Author(s):  
Fathul Amin ◽  
M Mukhlis Kamal ◽  
Am Azbas Taurusman
Keyword(s):  
Spatial Distribution ◽  
Community Structure ◽  
Fish Species ◽  
Species Abundance ◽  
Fish Distribution ◽  
Line Transect ◽  
Observation Area ◽  
Significant Difference ◽  
Line Transect Method ◽  
Distribution Of Fish

<p><em>This study was aimed to investigate the community structure of fish juvenile, spatial distribution and similarity from both adjacent habitats </em><em>of</em><em> mangrove and seagrass. This study was conducted in the eastern part of Pramuka island from April to June 2015. The samples were </em><em>collected</em><em> by using line transect method in three observation area</em><em>s</em><em> </em><em>that </em><em>were spatially connected </em><em>i.e.,</em><em> mangrove, transition and seagrass zones. The result of the study from three observation zones revealed that there w</em><em>ere</em><em> found 24 species</em><em> </em><em>of fishes from 15 families </em><em>i.e.,</em><em> Siganidae (4 species), Apogonidae (3 species), Ger</em><em>-</em><em>reidae</em><em> (2 species)</em><em>, Terapontidae</em><em> (2 species)</em><em>, Gobiidae</em><em> (2 species),</em><em> Labridae (2 species), Mugilidae, Nemipteridae, Hemiramphidae, Sphyraenidae, Monacanthidae, Atherinidae, Pomacentridae, Lut</em><em>-</em><em>janidae</em><em>,</em><em> and Lethrinidae (</em><em>each of them </em><em>1 species).</em><em> </em><em>According to community structure, the </em><em>adjacent </em><em>ob</em><em>-</em><em>servation zone</em><em>s</em><em> did not </em><em>show</em><em> a significant difference </em><em>in</em><em> the number of species, abundance</em><em>,</em><em> and bio</em><em>-</em><em>mass. According to fish distribution, fish species in transition zone and seagrass zone were relatively </em><em>similar and</em><em> dominated by <span style="text-decoration: underline;">Gerres</span> <span style="text-decoration: underline;">oblongus</span>, <span style="text-decoration: underline;">Fibramia</span> <span style="text-decoration: underline;">lateralis</span></em><em>,</em><em> </em><em>and <span style="text-decoration: underline;">Siganus</span> <span style="text-decoration: underline;">canaliculatus</span>. Mean</em><em>-</em><em>while, </em><em>in </em><em>mangrove zone </em><em>revealed a significant different of fish species than in transition and seagrass zones.  In mangrove zone, fish species </em><em>was dominated by <span style="text-decoration: underline;">Gerres oblongus</span> and <span style="text-decoration: underline;">Siganus</span> <span style="text-decoration: underline;">guttatus</span>. </em></p><p><em> </em><strong><em>Keywords:</em></strong><em> spatial distribution, juvenile, mangrove, seagrass, pramuka Island, Siganidae</em></p>

scholarly journals The contribution of environmental factors to fish assemblages in the Río Acahuapa, a small drainage in Central America

2017 ◽  
Vol 15 (3) ◽  
Author(s):  
Francisco S. Álvarez ◽  
Wilfredo A. Matamoros ◽  
Francisco A. Chicas
Keyword(s):  
Fish Species ◽  
Habitat Structure ◽  
Fish Assemblages ◽  
Species Abundance ◽  
Main Channel ◽  
Estuarine Fish ◽  
Species Origin ◽  
High Temperature Water ◽  
Distribution Of Fish ◽  
Temperature Water

ABSTRACT The ichthyofauna of the Río Acahuapa was analyzed sampling 17 sites that included the basin main channel and its tributaries. Fish were collected using dip-nets, seine-nets and electrofishing. Fish standard length and species abundance were recorded. Species origin and salinity tolerance criteria were used to classify fish species. Water physicochemical variables, habitat structure and sampling sites elevation were recorded. A total of 33 fish species were registered, 12.1% are primary, 45.5% are secondary and 42.4% are of marine derivation. Fish species richness declined with increase of elevation (R2=0.55, p=0.0006). Two assemblages of fishes were identified: the first one associated to sites of low elevations (19-184 masl), composed mainly of secondary and marine-estuarine fish species related with high temperature, water velocity, river width, dissolved oxygen and low sand and silt substrate cover; the second one associated to sites of middle and higher elevations (185-519 masl), composed by primary and secondary freshwater fishes related with high pH, logs and rocks substrate cover. In summary, elevation and environmental variables contributed to the composition and distribution of fish in the Río Acahuapa.

Studi Komparatif Komunitas Ikan Padang Lamun Pada Bulan Perbani Awal Dan Perbani Akhir Di Perairan Loleo Kecamatan Weda Selatan Kabupaten Halmahera Tengah

2016 ◽  
Vol 16 (2) ◽  
Author(s):  
Farjan Kaeli, Riyadi Subur Dan Salim Abubakar
Keyword(s):  
Community Structure ◽  
Species Diversity ◽  
Fish Species ◽  
Fish Communities ◽  
Seagrass Beds ◽  
The Moon ◽  
Siganus Canaliculatus ◽  
Sphyraena Barracuda ◽  
In The Beginning ◽  
The Village

ABSTRAK            Ikan memanfaatkan padang lamun sebagai habitatnya, ada yang hidup menetap dan adapula yang berkunjung ke padang lamun hanya untuk mencari makan atau untuk memijah, sebagai tempat untuk berlindung. Tujuan dari penelitian ini adalah mengetahui jumlah dan jenis ikan padang lamun yang tertangkap pada bulan perbani awal dan perbani akhir di Perairan Desa Loleo,mengetahui struktur komunitas ikan padang lamun yang tertangkap pada bulan perbani awal dan perbani akhir dan untuk mengetahui perbandingan komunitas ikan padang lamun yang tertangkap pada bulan perbani awal dan perbani akhir di Perairan Desa Loleo. Hasil penelitian diperoleh komposisi jenis ikan pada bulan perbani awal sebanyak 14 jenis yaitu Caranx ignobilis, Caranx melampygus, Alectis ciliaris, Selar crumenophthalmus, Choerodon anchorago, Cheilio inermis, Lethrinus microdon, Mulloidichthys flavolineatu, Gerres acinaces    Bleeker, Siganus spinu, Siganus canaliculatus, Siganus doliatus, Hemiramphus sp, Balistoides viridescens. Sedangkan ikan pada bulan perbani akhir sebanyak 8 jenis yaitu Sphyraena barracuda, Siganus canaliculatus, Siganus doliatus, Zanclus cornutus, Lethrinus miniatus, Moolgarda seheli, Hemiramphus sp, Amanses scopas. Keanekaragaman jenis baik ikan yang tertangkap pada bulan perbani awal dan perbani akhir tergolong sedang, dan tidak ada jenis yang mendominansi serta penyebaran jenisnya sangat merata. Rata-rata hasil tangkapan antara bulan perbani awal dan perbani akhir memiliki perbedaan dan rata-rata hasil tangkapan terbanyak adalah pada bulan perbani awal. Kata Kunci : Komunitas, Ikan, Perbani Awal, Perbani Akhir, Padang Lamun.ABSTRACT                 Fish utilize seagrass beds as habitat, there were sedentary and those that visit to seagrass beds only to find food or to spawn, as a place of refuge. The purpose of this study was to determine the number and type of fish seagrass caught in neap beginning and neap end in Water Village Loleo, know the community structure of seagrass beds had been arrested in neap beginning and neap end and to compare the fish communities of seagrass caught in neap neap beginning and ending at the village Aquatic Loleo. The results obtained by the composition of fish species in neap early as 14 types of Caranx ignobilis, Caranx melampygus, Alectis ciliaris, scad crumenophthalmus, Choerodon anchorago, Cheilio inermis, Lethrinus microdon, Mulloidichthys flavolineatu, Gerres acinaces Bleeker, Siganus spinu, Siganus canaliculatus, Siganus doliatus, Hemiramphus sp, Balistoides viridescens. While the fish in neap late as 8 types of Sphyraena barracuda, Siganus canaliculatus, Siganus doliatus, Zanclus cornutus, Lethrinus miniatus, Moolgarda seheli, Hemiramphus sp, Amanses scopas. Good species diversity of fish caught in neap neap beginning and end is classified, and no kind mendominansi and very uneven spread of its kind. The average catches between the moon neap neap early and late have differences and average catches neap most was in the beginning. Keywords: Community, Fish, Early neap, neap End, Seagrass. 

scholarly journals Fish distribution in the Ba Che and Tien Yen rivers

2020 ◽  
Vol 42 (2) ◽  
Author(s):  
Ta Thi Thuy ◽  
Tran Duc Hau ◽  
Nguyen Xuan Huan ◽  
Pham Van Long
Keyword(s):  
Marine Fish ◽  
Fish Species ◽  
Marine Species ◽  
River Basins ◽  
Fish Distribution ◽  
Research Areas ◽  
Salinity Levels ◽  
Data Book ◽  
Downstream Area ◽  
Distribution Of Fish

The ichthyo-fauna in the Ba Che and Tien Yen rivers, northern Vietnam is highly diverse, with a total of 245 species determined. However, data on the distribution of fish species are not sufficiently provided for the whole area. This study was conducted from 2008 to 2011 at 27 stations from the Ba Che and Tien Yen river basins to determine the distribution of fish species according to different sections of the rivers, water bodies, seasons, and salinity levels. The results show that fish species are distributed mainly in the river (with 210 species), concentrated in the downstream area (with 213 species). Fishes are mainly collected in the dry season when the salinity level of river is high, due to seawater intrusion which also brings in 160 species of marine fish. This shows that fish distribution in the research areas is mainly dominated by the presence of marine species. While for freshwater fish, it is clearly affected by the mountainous features. Apart from the common characteristics sharing between the two river basins, but the number of both freshwater and marine fish species in the Tien Yen river are larger than those of Ba Che river, which is related to fresh water surface, river morphology, the width and location of the estuary to the sea. The downstream area is home to the fish species recorded in the Red Data Book of Vietnam and the complementary species for Vietnam, while the middle and upstream of the rivers may offer a high potential of biodiversity, with many possibly new species for science. These are important data for the conservation and sustainable development of fish resources in the Ba Che and Tien Yen river basins. 

scholarly journals Kajian Kesesuaian Lahan Ekowisata Mangrove Di Desa Arakan Kabupaten Minahasa Selatan Sulawesi Utara

2019 ◽  
Vol 7 (1) ◽  
pp. 40 ◽  
Author(s):  
Angelitha O.T Iskandar ◽  
Joshian N.W Schaduw ◽  
Natalie D.C Rumampuk ◽  
Calvyn F.A Sondak ◽  
Veibe Warouw ◽  
...  
Keyword(s):  
Community Structure ◽  
Canopy Cover ◽  
Land Suitability ◽  
Line Transect ◽  
Hemispherical Photography ◽  
North Sulawesi ◽  
A Value ◽  
Line Transect Method ◽  
Important Value Index

Study Of Land Suitability For Mangrove Ecotourism In Arakan Village, Minahasa Selatan District, North Sulawesi The purpose of this study was to determine community structure, mangrove canopy cover and land suitability of mangrove ecotourism. This study used the line transect method for mangrove community structure, interviews for questionnaires and hemispherical photography for the percentage of mangrove cover. The results of the study on mangrove community structure showed that The highest important value index is found in transect 3, namely R. stylosa with value of 292,935 and the lowest on transect 3 is A. officinalis with a value of 7.065. For the suitability of mangrove ecotourism land shows that all transects belong to the suitable category with value of 55.74% on transect 1, 65.57% on transect 2, 68.85% on transect 3, 63.93% on transect 4 and 68.85% on transect 5.Keywords: Mangrove, Ecotourism, Arakan Village Tujuan dari penelitian ini adalah untuk mengetahui struktur komunitas, tutupan kanopi mangrove dan kesesuaian lahan ekowisata mangrove. Penelitian ini menggunakan metode line transek terhadap struktur komunitas mangrove, wawancara untuk kuisioner dan hemispherical photography untuk persentase tutupan mangrove. Hasil penelitian struktur komunitas mangrove yaitu indeks nilai penting tertinggi terdapat pada transek 3 jenis R.stylosa 292.935 dan terendah pada transek 3 jenis A.officinalis 7.065. Untuk kesesuaian lahan ekowisata mangrove bahwa pada semua transek masuk kategori sesuai dengan nilai kesesuaian transek 1 55.74%, transek 2 nilai 65.57%, transek 3 nilai 68.85%, transek 4 nilai 63.93% dan transek 5 nilai 68.85%.Kata kunci: Mangrove, Ekowisata, Desa Arakan.

scholarly journals The Spatial Variation of Acoustic Water Column Data and Its Relationship with Reef-Associated Fish Recorded by Baited Remote Underwater Stereo-Videos off the Western Australia Coast

2022 ◽  
Vol 10 (1) ◽  
pp. 52
Author(s):  
Marcela Montserrat Landero Figueroa ◽  
Miles J. G. Parsons ◽  
Benjamin J. Saunders ◽  
Iain M. Parnum
Keyword(s):  
Species Abundance ◽  
Fish Distribution ◽  
Spatially Explicit ◽  
Effective Management ◽  
Small Areas ◽  
Marine Park ◽  
Coral Fish ◽  
Abundance And Distribution ◽  
Distribution Of Fish ◽  
Potential Use

Spatially explicit information on coral fish species abundance and distribution is required for effective management. Nonextractive techniques, including echosounders and video census, can be particularly useful in marine reserves where the use of extractive methods is restricted. This study aimed to investigate the possibility of combining echosounders and baited remote underwater stereo-videos (stereo-BRUVs) in providing more holistic information on the distribution of demersal and semidemersal reef-associated fish. The spatial distribution of fish biomass was assessed using both methods in two small areas, one in Cockburn Sound (CS), a temperate body of water, and the other in the tropical waters of the Ningaloo Marine Park (NMP). The results showed high correlations between the acoustic and stereo-BRUV data in CS, suggesting the potential use of both for a better estimation of biomass in the area. The results for the NMP showed weaker correlations between the two datasets and highlighted the high variability of the system. Further studies are required, but our initial findings suggest a potential benefit of combining both techniques in the reef-associated fish distribution assessment.

scholarly journals Fish distribution in watersheds of the eastern part of the Serra da Mantiqueira (state of São Paulo)

2014 ◽  
Vol 74 (2) ◽  
pp. 302-310
Author(s):  
FMS. Braga ◽  
AL. Carmassi ◽  
G. Rondineli ◽  
JMRMF. Lourenço
Keyword(s):  
Species Abundance ◽  
Fish Fauna ◽  
Abundant Species ◽  
Physical Structure ◽  
Sao Paulo ◽  
Fish Distribution ◽  
São Paulo ◽  
Species Dominance ◽  
Morphological Adaptations ◽  
Distribution Of Fish

The present work aims to analyse jointly four contiguous watersheds in the eastern part of the Serra da Mantiqueira with respect to the distribution of fish fauna and physical structure. The watersheds of Piracuama river, Ribeirão Grande, Buenos and Guaratinguetá are located in Pindamonhangaba, Campos do Jordão and Guaratinguetá municipalities, in the state of São Paulo. Data were collected between the years 2001 and 2010, with collections distributed throughout the seasons, including sites located on the slope and piedmont. The limnological parameters analysed were different between watersheds and habitat structure was different only for the slope segments between Ribeirão Grande and Buenos watersheds, and between Ribeirão Grande and Piracuama watersheds. Thirty-five species of fish were caught, with the highest species richness found in the Ribeirão Grande watershed (30 species), followed by the Piracuama (23 species) and Buenos and Guaratinguetá (21 species each). The most abundant species in both the segments (slope and piedmont) was Trichomycterus itatiayae. The highest degree of species dominance occurred in the Guaratinguetá watershed and in the segment slope, being T. itatiayae the dominant species. Species diversity was lower at the slope than the piedmont, indicating variability in species abundance. Again T. itatiayae was the most abundant species in both segments, showing to be a well adapted species to these streams systems by presenting, as well as other species, morphological adaptations to the stream environment.

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