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Articles 1 - 30 of 47
Full-Text Articles in Animal Sciences
Using Hydroxyapatite From Fish Scales To Prepare Chitosan/Gelatin/Hydroxyapatite Membrane: Exploring Potential For Bone Tissue Engineering, Yi-Cheng Huang, Hao-Wen Chu
Using Hydroxyapatite From Fish Scales To Prepare Chitosan/Gelatin/Hydroxyapatite Membrane: Exploring Potential For Bone Tissue Engineering, Yi-Cheng Huang, Hao-Wen Chu
Journal of Marine Science and Technology
Concerns have recently been raised about the treatment and use of hydroxyapatite, an important component of fish scale. The goal of this investigation is to evaluate the feasibility of using hydroxyapatite extracted from fish scale (FHAP) for bone tissue engineering. FHAP or sintered FHAP (sFHAP) was added to chitosan/gelatin (CS/GEL) mixture to prepare membrane. The effect of FHAP and sFHAP on the physical and chemical properties of the membrane and their affinities towards MG63 cells were studied. Accordingly, the prepared CS/GEL/FHAP membrane was characterized by FTIR (ATRFTIR) and SEM. Following sintering at 800°C for 4 h, the CS/GEL/sFHAP membrane had …
Does High Organic Matter Content Affect Polychaete Assemblages In A Shenzhen Bay Mudflat, China?, Li-Zhe Cai, Jiang-Shiou Hwang, Hans-Uwe Dahms, Su-Jing Fu, Xin-Wei Chen, Chen Wu
Does High Organic Matter Content Affect Polychaete Assemblages In A Shenzhen Bay Mudflat, China?, Li-Zhe Cai, Jiang-Shiou Hwang, Hans-Uwe Dahms, Su-Jing Fu, Xin-Wei Chen, Chen Wu
Journal of Marine Science and Technology
Coastal areas are the first marine systems being impacted by anthropogenic pollution and eutrophication. Organic matter poses a particularly negative impact on the environment due to its oxygen depleting and eutrophying effects. Shenzhen Bay mudflat contains rich organic matter. Here, we compare changes of polychaete assemblage parameters on seasonal data obtained from a Shenzhen Bay mudflat in a three-year study. The results based on the seasonal and spatial variations of polychaete species number, density and biomass, ShannonWiener diversity index, evenness index and richness index confirmed that high organic matter content impacted their distribution. A significant negative correlation between the density …
Redescription Of Gobius Gastrospilos Bleeker, 1853 With Comments On Four Newly Recorded Species Of Brackish Gobies From Taiwan, Shih-Pin Huang, Martien J. P. Van Oijen, Kuang-Ying Huang, Chin-Chu Tsai, I-Shiung Chen
Redescription Of Gobius Gastrospilos Bleeker, 1853 With Comments On Four Newly Recorded Species Of Brackish Gobies From Taiwan, Shih-Pin Huang, Martien J. P. Van Oijen, Kuang-Ying Huang, Chin-Chu Tsai, I-Shiung Chen
Journal of Marine Science and Technology
A re-examination of the holotype of Gobius gastrospilos Bleeker, 1853 confirmed thatthis species belongs to the genus Pseudogobius Popta, 1922. The detailed redescription of Pseudogobius gastrospilos (Bleeker, 1853) would be provided in this paper. Furthermore, a series of field surveys of the gobioid fauna in brackish habitats of Taiwan revealed and summarized the following four newly recorded gobiid species: Pseudogobius gastrospilos (Bleeker, 1853), Mugilogobius chulae (Smith, 1932), Mugilogobius mertoni (Weber, 1911) and Mugilogobius myxodermus (Herre, 1935). The diagnosis of these newly recorded species of Taiwan would be also provided herein.
Seasonal Abundance Of Epiphytic Dinoflagellates Around Coastal Waters Of Jeju Island, Korea, Md. Mahfuzur Rahman Shah, So-Jeong An, Joon-Baek Lee
Seasonal Abundance Of Epiphytic Dinoflagellates Around Coastal Waters Of Jeju Island, Korea, Md. Mahfuzur Rahman Shah, So-Jeong An, Joon-Baek Lee
Journal of Marine Science and Technology
The seasonal abundance of epiphytic dinoflagellates in the intertidal zone of Jeju Island, Korea was quantitatively estimated by monthly collection of macroalgal samples (Rhodophyta, Phaeophyta, and Chlorophyta) from six sampling locations from July 2012 to June 2013. Ten epiphytic dinoflagellate taxa, including eight potentially toxic species Amphidinium carterae, A. operculatum, Gambierdiscus sp., Ostreopsis ovata, Prorocentrum concavum, P. emarginatum, P. lima, and P. rhathymum, were identified. Two Amphidinium and three Prorocentrum species are newly recorded in Korean coastal waters. A significant change in seasonal abundance was recorded with maximum (751.82 ± 223.12 cells g-1 wet weight of algae; cells g-1 hereafter) …
Diversity Of Crypthecodinium Spp. (Dinophyceae) From Okinawa Prefecture, Japan, Danang Ambar Prabowo, Ooshi Hiraishi, Shoichiro Suda
Diversity Of Crypthecodinium Spp. (Dinophyceae) From Okinawa Prefecture, Japan, Danang Ambar Prabowo, Ooshi Hiraishi, Shoichiro Suda
Journal of Marine Science and Technology
The genus Crypthecodinium (Dinophyceae) currently consists of only one species: C. cohnii, a heterotrophic marine dinoflagellate widely known able to produce prolific amount of DHA. However, previous studies revealed that there are morphological and genetic differences among Crypthedodinium cohnii-like strains, indicating the potential of undiscovered diversity of this dinoflagellate. Attempts of isolating heterotrophic marine dinoflagellate strains were made from submerged mangrove leaves and seaweed. A total of nine strains were established, cultured and maintained using seawater-based GTY medium for taxonomic identification and phylogenetic analyses based on SSU, ITS1, 5.8S, ITS2 and LSU rDNA. Morphological observation revealed all strains shared similar …
Dna Barcoding Of Coastal Larval Fish Communities Of Dongshar Island, South China Sea Revealed By Mitochondrial Co I Sequences, I-Shiung Chen, Kwang-Tsao Shao, Shao-Liang Hsu, Gwo-Ching Gong, Yu-Chih Chen, Ta-Kang Liu
Dna Barcoding Of Coastal Larval Fish Communities Of Dongshar Island, South China Sea Revealed By Mitochondrial Co I Sequences, I-Shiung Chen, Kwang-Tsao Shao, Shao-Liang Hsu, Gwo-Ching Gong, Yu-Chih Chen, Ta-Kang Liu
Journal of Marine Science and Technology
The 70 different samples of larval fish morphotypes have been successfully amplified and sequenced in detail via PCR amplification for the partial sequences of mtDNA CO I gene. The overall genetic similarities ranged from 83% to 100%. Totally 26 different fish species can be detected and analyzed. There are 16 fish species can be identified into specific level. However, there are remaining 12 species can be expected just into suggested fish generic level. Apparently, two major groups of taxa would be the members of Gobiidae and Apogonidae which comprised 50% of total species diversity, and also comprised 67% of total …
Ba/Ca Ratios In Otoliths Of Southern Bluefin Tuna (Thunnus Maccoyii) As A Biological Tracer Of Upwelling In The Great Australian Bight, Yu-Ting Lin, Chia-Hui Wang, Chen-Feng You, Wann-Nian Tzeng
Ba/Ca Ratios In Otoliths Of Southern Bluefin Tuna (Thunnus Maccoyii) As A Biological Tracer Of Upwelling In The Great Australian Bight, Yu-Ting Lin, Chia-Hui Wang, Chen-Feng You, Wann-Nian Tzeng
Journal of Marine Science and Technology
The southern bluefin tuna (Thunnus maccoyii) is a longlived, large, and highly migratory marine fish in the Indian Ocean. They can live up to 40 years and migrate to the Great Australian Bight in the summer when 1-4 years old. The Great Australian Bight is characterized as the most productive coastal upwelling zone in southern Australia and is the largest area of cool-water carbonate sedimentation in the world. The barium (Ba) level is poor in the open ocean but rich in the upwelling area. This study used otolith Ba/Ca ratios as a natural tag to confirm that southern bluefin tuna …
New Records Of Deep-Sea Blind Lobsters (Crustacea: Decapoda: Polychelidae) From Taiwan, Su-Ching Chang, Shane T. Ahyong, Tin-Yam Chan
New Records Of Deep-Sea Blind Lobsters (Crustacea: Decapoda: Polychelidae) From Taiwan, Su-Ching Chang, Shane T. Ahyong, Tin-Yam Chan
Journal of Marine Science and Technology
The deep-sea lobster family, Polychelidae Wood-Mason, 1875, contains six genera and 38 species worldwide, of which nine species in three genera have been reported from Taiwan. Herein we present four new records of Polychelidae from Taiwan, namely Pentacheles validus A. Milne-Edwards, 1880, Stereomastis surda (Galil, 2000), Willemoesia forceps A. Milne-Edwards, 1880, and W. leptodactyla (Thomson, 1873). A total of 13 species in four genera of Polychelidae are now known from Taiwan; a key to the species is provided.
Genetic Diversity Of Filamentous Cyanobacteria From Shore Regions Of Okinawa, Shoichiro Suda, Rui Moriya, Shinpei Sumimoto, Osamu Ohno, Kiyotake Suenaga
Genetic Diversity Of Filamentous Cyanobacteria From Shore Regions Of Okinawa, Shoichiro Suda, Rui Moriya, Shinpei Sumimoto, Osamu Ohno, Kiyotake Suenaga
Journal of Marine Science and Technology
Benthic marine cyanobacteria are ubiquitous oxygenic photosynthetic bacteria and they form major components of various communities, including epiphytic, epilithic and microbial mats, in coral reef environments. Filamentous groups may form almost monospecific macroscopic colonies, and sometimes make potentially harmful algal blooms (HABs). HABs bring serious problems for marine tourism but marine filamentous cyanobacteria are good resource for drug discovery. However, cultivation and identification of such filamentous cyanobacteria are difficult and there are taxonomic confusions. In this study, we investigate 17 samples from coral reef area of 10 localities in Okinawa. Macroscopic mats or cushions of filamentous cyanobacteria were collected. The …
Alternative Assessment Methods Applied To The Hairtail (Trichiurus Lepturus) Stock In The Aru Sea As An Example, Chao-Hsiung Cheng, Tsuyoshi Kawasaki, Kuo-Ping Chiang, Chuan-Hung Ho
Alternative Assessment Methods Applied To The Hairtail (Trichiurus Lepturus) Stock In The Aru Sea As An Example, Chao-Hsiung Cheng, Tsuyoshi Kawasaki, Kuo-Ping Chiang, Chuan-Hung Ho
Journal of Marine Science and Technology
The Aru Sea off Indonesia is a major fishing ground for Taiwanese distant-water otter trawlers. The hairtail, an economically important demersal fish, is abundant in that area. The assessment methodology in this paper extends previous studies on hairtail fisheries by considering migration within the fishing grounds. This model is based on conventional Leslie-Delury method but makes different assumptions on stock movement and the relationship between stock abundance and catch per unit effort. It was applied to retrospective data from the hairtail fisheries in the Aru Sea. In addition, the depletion method was used to estimate the abundance of hairtail and …
Identification And Analysis Of White Spot Syndrome Virus (Wssv) Envelope Protein Vp41a, Po-Yu Huang, Pei-Jung Chen, Huai-Ting Huang, Li-Li Chen
Identification And Analysis Of White Spot Syndrome Virus (Wssv) Envelope Protein Vp41a, Po-Yu Huang, Pei-Jung Chen, Huai-Ting Huang, Li-Li Chen
Journal of Marine Science and Technology
White spot syndrome virus (WSSV) is the causative agent of a disease that has led to severe mortalities of cultured shrimp in Taiwan and many other countries. WSSV, a kind of large enveloped DNA virus, has a wide host range among crustaceans. During the first stage to infect a target cell, the enveloped virus must combine itself with the receptor on the host cell membrane via an envelope protein. In WSSV, binding of envelope protein with the receptor of the host cell membrane was revealed in a number of previous studies. WSSV envelope proteins were also considered to form a …
Ninth East China Sea Conference 2013: International Conference On The Marine Biodiversity And Environmental Fisheries Science Of The East China Sea In Keelung, Taiwan, Ching-Fong Chang, Tai-Wen Hsu, I-Shiung Chen
Ninth East China Sea Conference 2013: International Conference On The Marine Biodiversity And Environmental Fisheries Science Of The East China Sea In Keelung, Taiwan, Ching-Fong Chang, Tai-Wen Hsu, I-Shiung Chen
Journal of Marine Science and Technology
No abstract provided.
First Record Of The Hairy Squat Lobster Genus Lauriea Baba, 1971 (Crustacea: Decapoda: Anomura: Galatheidae) From Kenting, Southern Taiwan, Chia-Wei Lin, Pi-Hsien Kuo, Tin-Yam Chan
First Record Of The Hairy Squat Lobster Genus Lauriea Baba, 1971 (Crustacea: Decapoda: Anomura: Galatheidae) From Kenting, Southern Taiwan, Chia-Wei Lin, Pi-Hsien Kuo, Tin-Yam Chan
Journal of Marine Science and Technology
The shallow water squat lobster genus Lauriea Baba, 1971 is reported for the first time from Taiwan. The three specimens collected from Kenting, southern Taiwan belong to Lauriea siagiani Baba, 1994. Lauriea siagiani is very distinctive by its striking coloration and having dense long plumose setae on the body. Its report in Taiwan fills the gap of geographical distribution of this species from Indonesia to Japan.
Fishing Vs. Climate Change: An Example Of Filefish (Thamnaconus Modestus) In The Northern East China Sea, Sukgeun Jung, Hyung Kee Cha
Fishing Vs. Climate Change: An Example Of Filefish (Thamnaconus Modestus) In The Northern East China Sea, Sukgeun Jung, Hyung Kee Cha
Journal of Marine Science and Technology
The main cause of annual fluctuations in catch and species composition of fisheries is usually uncertain, but a prevailing view has been that fishing effects are more critical than environmental variability. Filefish is a good anecdote: many Korean fisheries scientists have attributed the sudden collapse of Korean filefish fisheries in the early 1990s to overfishing, especially by trawl fisheries in the northern East China Sea (NECS). However, interdisciplinary researches have revealed that climate-driven, multi-decadal variability in oceanic conditions impacts both fish and fisheries around the world. To test the two alternative hypotheses (i.e., fishing and climate) as the major cause …
Seasonal Dynamics Of Flatfish Assemblage In Coastal Waters Off Northeastern Taiwan: With Implications For Shift In Species Dominance Of The Ecosystem, Shyh-Bin Wang, Wen-Kwen Chen, Shoou-Jeng Joung
Seasonal Dynamics Of Flatfish Assemblage In Coastal Waters Off Northeastern Taiwan: With Implications For Shift In Species Dominance Of The Ecosystem, Shyh-Bin Wang, Wen-Kwen Chen, Shoou-Jeng Joung
Journal of Marine Science and Technology
The seasonal dynamics of flatfish assemblage in the coastal waters off northeastern Taiwan was examined based on samples collected between March 2004 and March 2005 taken by bottom trawlers and landed at Da-Shi fishing port, Yilan county. A total of 28 species from 5 families and 18 genera were found. The Bothidae was the most dominant family, accounting for 81% of the total catch, while the most dominant species was the Pseudorhombus pentophthalmus. Species richness and diversity were high between the end of fall and the end of spring, but low in summer. Multivariate analyses based on cluster and nonparametric …
A Comparative Study Between Ranavirus And Megalocytivirus Infections In Orange-Spotted Grouper (Epienphelus Coioides), Jiann-Horng Leu, Ming-Hung Wu, Hsin-Yiu Chou
A Comparative Study Between Ranavirus And Megalocytivirus Infections In Orange-Spotted Grouper (Epienphelus Coioides), Jiann-Horng Leu, Ming-Hung Wu, Hsin-Yiu Chou
Journal of Marine Science and Technology
Piscine iridoviruses infect a wide variety of fish and are classified into three genera: Lymphocystivirus, Ranavirus and Megalocytivirus. Lymphocystiviruses cause non-fatal, dermal infections, while ranaviruses and megalocytiviruses produce devastating, systemic infections with mortality reaching up to 100%. Although both ranaviruses and megalocytiviruses cause fatal systemic infections, they induce different pathology. In Taiwan, both ranaviruses and megalocytiviruses have caused serious epidemics in several mariculture fish species, including groupers. In this study, we infected the orange-spotted grouper (Epinephelus coioides) with either a megalocytivirus (TGIV, grouper iridovirus of Taiwan) or a ranavirus (GIV, grouper iridovirus), and then the two iridoviruses were investigated and …
Ichthyoplankton Community Associated With Oceanic Fronts In Early Winter On The Continental Shelf Of The Southern East China Sea, Yi-Chen Wang, Wen-Yu Chen, Yi Chang, Ming-An Lee
Ichthyoplankton Community Associated With Oceanic Fronts In Early Winter On The Continental Shelf Of The Southern East China Sea, Yi-Chen Wang, Wen-Yu Chen, Yi Chang, Ming-An Lee
Journal of Marine Science and Technology
The study of ichthyoplankton community associated with oceanic features on the continental shelf of southern East China Sea (ECS) was conducted in early winter from 2006 to 2009. The species composition of the ichthyoplankton and its spatial distribution was classified and compared with oceanic front. A total number of 1,809 fish larvae individuals were sampled from 5 field surveys, and represented 76 families and 137 species. Using the Bray-Curtis dissimilarity, the abundance of species found to exceed 0.5% of the total sample from 36 stations were classified into four groups: China Coastal Group, Mixed Shelf Group, Taiwan Strait Group, and …
An Annotated Checklist Of Gobioid Fishes From The Mangrove Estuary Of Matang, Malay Peninsula, With Comments On A New Pseudogobius (Teleostei: Gobiidae) Species, Shih-Pin Huang, Kwang-Tsao Shao, Hao-Ming Huang, Ving-Ching Chong, I-Shiung Chen
An Annotated Checklist Of Gobioid Fishes From The Mangrove Estuary Of Matang, Malay Peninsula, With Comments On A New Pseudogobius (Teleostei: Gobiidae) Species, Shih-Pin Huang, Kwang-Tsao Shao, Hao-Ming Huang, Ving-Ching Chong, I-Shiung Chen
Journal of Marine Science and Technology
A series of field collections of fishes were made in the Matang mangrove, Malay Peninsula in April 2011. At least 23 genera and 27 species of gobioid fishes including a new Pseudogobius species were collected and recorded in this region during the expedition. The checklist of gobioid fauna and available materials are provided herein, and the formal description of a new goby species, Pseudogobius fulvicaudus Huang, Shao & Chen, new species will be provided and discussed in this paper.
Decadal Variation Of Wintertime Sea Surface Temperature In The Taiwan Strait, Yi-Chun Kuo, Ming-An Lee
Decadal Variation Of Wintertime Sea Surface Temperature In The Taiwan Strait, Yi-Chun Kuo, Ming-An Lee
Journal of Marine Science and Technology
Long-term advanced very-high-resolution radiometer (AVHRR) data with a resolution of 0.04° provided clearer views of sea surface temperature (SST) warming and variation associated with ENSO in the Taiwan Strait (TS) during wintertime (1981-2013). Over the 33 year period, the spatial average of winter SST warming in the TS reached to 3°C. From 1981- 2001, the SST exhibited an increasing trend, with the fastest warming taking place from 1991-2001 after which it seemed to pause. From 2002-2012, the SST showed a cooling trend (-0.08°C/yr). Spatial variation of the warming was distinct, with the highest values concentrated in the winter fronts region, …
Taxonomic Study Of Pike Congers (Anguilliformes: Muraenesocidae) With Identification Of Muraenesocid Collections In Taiwan, James Lin, Kwang-Tsao Shao, Hong-Ming Chen
Taxonomic Study Of Pike Congers (Anguilliformes: Muraenesocidae) With Identification Of Muraenesocid Collections In Taiwan, James Lin, Kwang-Tsao Shao, Hong-Ming Chen
Journal of Marine Science and Technology
During the past years, we collected and studied on the Anguilliformes fishes, and described some new genera and new species of eels. We noticed that there are some misidentified species or invalid junior synonym in Muraenesocidae specimens. Considering how limited this family is known in Taiwan, we would like to revise the species of pike congers here. We collected muraenesocid specimens around Taiwan from fish markets, fishery harbors, fishermen, and also examined the specimens from other Taiwanese museum collections. Comparing to the past literature of Muraenesocidae, we found that the species Congresox talabon was misreported previously, and there is not …
Effects Of Elevated Seawater Co2 On Feed Intake, Oxygen Consumption And Morphology Of Aristotle's Lantern In The Sea Urchin Anthocidaris Crassispina, Guining Wang, Mitsuharu Yagi, Rui Yin, Weiqun Lu, Atsushi Ishimatsu
Effects Of Elevated Seawater Co2 On Feed Intake, Oxygen Consumption And Morphology Of Aristotle's Lantern In The Sea Urchin Anthocidaris Crassispina, Guining Wang, Mitsuharu Yagi, Rui Yin, Weiqun Lu, Atsushi Ishimatsu
Journal of Marine Science and Technology
Adult sea urchins, Anthocidaris crassispina, were reared individually in running seawater equilibrated with gas mixtures containing 380 ppm (control), 1,000 ppm or 3,000 ppm CO2, at ambient natural temperature for 140 days to study effects of elevated CO2 on feed intake, fecal production, oxygen consumption, and the morphology of Aristotle’s lantern. Feed intake became significantly lower in the two high CO2 groups than in the control after 90 (1,000 ppm) or 110 (3,000 ppm) days and remained suppressed until the end of the experiment (control, 0.16 ± 0.01 (mean ± SE) g dry wt ind-1 day-1; 1,000 ppm, 0.10 ± …
One New Record Genus And Three New Record Species Of Snake Eels (Ophichthidae:Anguilliformes) From Taiwan, Yung-Chieh Chiu, James Lin, Hong-Ming Chen
One New Record Genus And Three New Record Species Of Snake Eels (Ophichthidae:Anguilliformes) From Taiwan, Yung-Chieh Chiu, James Lin, Hong-Ming Chen
Journal of Marine Science and Technology
The tropical and subtropical eel family Ophichthidae are the most diverse Anguilliformes fishes which occupy a variety of marine habitats such as reefs, sand and mud substrates. In Taiwan, we can often collect them from the capture of bottom-trawl fishery. In this study, we added two new recorded species Ophichthus machidai and O. obtusus of ophichthid eels collected from Da-xi fish market by comparing their morphological measurements, vertebral counts and head pores with the other six species of the genus Ophichthus: O. apicalis, O. aphotistos, O. asakusae, O. erabo, O. tsuchidae, O. urolophus. We also obtained a unique specimen from …
Two New Species Of Vanderhorstia Smith, 1949 (Teleostei: Gobiidae) From Ryukyus, Japan, Toshiyuki Suzuki, I-Shiung Chen
Two New Species Of Vanderhorstia Smith, 1949 (Teleostei: Gobiidae) From Ryukyus, Japan, Toshiyuki Suzuki, I-Shiung Chen
Journal of Marine Science and Technology
Two new gobiid species of Vanderhorstia Smith, 1959 which have been recently collected from Japanese waters. Both new species are distributed in marine coral reef habitats off the Ryukyus, Japan. Vanderhorstia cyanolineata sp. nov. can be well distinguished from congeners by the following unique combination of features: (1) fin ray counts: second dorsal fin rays I/12, anal fin rays I/12; pectoral fin rays 18-19; (2) fin shape: low first dorsal fin with about equal 3rd to 5th spinous rays, caudal fin large and middle rays as sword-like projection; (3) scales: LR 50-52; TR 18; and (4) its own specific colouration …
How Important Is Viral Effect On The Measure Bacterial Growth In Western Subtropical Pacific Coastal Water?, An-Yi Tsai, Gwo-Ching Gong, Kuo-Ping Chiang, Jie Hung
How Important Is Viral Effect On The Measure Bacterial Growth In Western Subtropical Pacific Coastal Water?, An-Yi Tsai, Gwo-Ching Gong, Kuo-Ping Chiang, Jie Hung
Journal of Marine Science and Technology
Bacterial growth rates were determined in natural seawater samples using two different methodological approaches: incubation in dialysis bags, and a modification of the dilution approach. Bacterial growth rates estimated for the dialysis bag varied from 0.026 h-1 (April) to 0.208 h-1 (August). Bacterial growth rates in 0.2 µm and 30 kDa size-fractionated series ranged from 0.038 to 0.094 h-1 and 0.078 to 0.42 h-1, respectively. Furthermore, in all of our samples, growth rates in the 30 kDa fractionated series (grazer and virus-free diluent) were higher than in the 0.2 µm series (grazer-free diluent) or in the dialysis bag incubations.
Predation By Apocyclops Royi (Cyclopoid: Copepod) On Ciliates And Rotifers, Raunak Dhanker, Jiang-Shiou Hwang
Predation By Apocyclops Royi (Cyclopoid: Copepod) On Ciliates And Rotifers, Raunak Dhanker, Jiang-Shiou Hwang
Journal of Marine Science and Technology
We studied the prey consumption rates in Apocyclops royi on neonate and adult rotifers, Brachionus rotundiformis and ciliate, Euplotes sp. in the presence and absence of algae, the smaller Isochrysis galbana and the larger Tetraselmis chui. Both males and females of A. royi were able to successfully ingest neonate and adult rotifers and ciliate. The prey consumption rates were significantly lower in males than in females of A. royi. Regardless of sex and reproductive state of the copepod, prey consumption rates were higher on neonates rotifer than on adults. However, the prey consumption rates were significantly lower on ciliate than …
Mosquitocidal Activity Of Hedychium Coronarium Rhizome Extract And Copepod Megacyclops Formosanus For The Control Of Dengue Vector, Kandasamy Kalimuthu, Kadarkarai Murugan, Li-Chun Tseng, Jiang-Shiou Hwang
Mosquitocidal Activity Of Hedychium Coronarium Rhizome Extract And Copepod Megacyclops Formosanus For The Control Of Dengue Vector, Kandasamy Kalimuthu, Kadarkarai Murugan, Li-Chun Tseng, Jiang-Shiou Hwang
Journal of Marine Science and Technology
The bio-efficacy of Hedychium coronarium Rhizome extract and copepods Megacyclops formosanus, were tested against first to fourth-instar larvae and pupae of dengue Vector Aedes aegypti under laboratory conditions. Different solvent extracts of H. coronarium, combined with copepod M. formosanus showed considerable mortality against A. aegypti. The median lethal concentration value (LC50) observed for the larvicidal and pupicidal activities against mosquito vector species A. aegypti value were 38.59, ppm; no mortality was observed in the control group. This study was also initiated to test the predatory efficiency of copepod against different larval instars and predatory efficiency was noticed at the laboratory …
Diel Oscillations In Sailfish Vertical Movement Behavior In The East China Sea, Wei-Chuan Chiang, Ryo Kawabe, Michael K. Musyl, Chi-Lu Sun, Hsiao-Min Hung, Hsien-Chung Lin, Shun Watanabe, Seishiro Furukawa, Wen-Yie Chen, Yu-Kai Chen, Don-Chung Liu
Diel Oscillations In Sailfish Vertical Movement Behavior In The East China Sea, Wei-Chuan Chiang, Ryo Kawabe, Michael K. Musyl, Chi-Lu Sun, Hsiao-Min Hung, Hsien-Chung Lin, Shun Watanabe, Seishiro Furukawa, Wen-Yie Chen, Yu-Kai Chen, Don-Chung Liu
Journal of Marine Science and Technology
A sailfish (Istiophorus platypterus) was tagged with a pop-up satellite archival tag off the eastern coast of Taiwan and moved in a northerly direction to the East China Sea, where the tag popped-up after 160 days. The total linear displacement was 550 km from deployment to pop-up location and all movements were confined to the East China Sea. After the primarily southward movement during first two months at-liberty, the sailfish changed course after September and began to swim in a northerly direction paralleling the Kuroshio Current. During these horizontal movements, the tagged animal exhibited diel oscillations in its vertical diving …
Mosquito Larvicidal Activity Of Broussonetia Papyrifera Compound Marmesin By Blocking Protein Aescp-2, Docking Strategies, And Combined Effect Of Copepod Megacyclops Formosanus Against Dengue Vector Aedes Aegypti (Diptera: Culicidae), Kandasamy Kalimuthu, Chia-Hsiang Wang, Shiu-Mei Liu, Li-Chun Tseng, Kadarkarai Murugan, Jiang-Shiou Hwang
Mosquito Larvicidal Activity Of Broussonetia Papyrifera Compound Marmesin By Blocking Protein Aescp-2, Docking Strategies, And Combined Effect Of Copepod Megacyclops Formosanus Against Dengue Vector Aedes Aegypti (Diptera: Culicidae), Kandasamy Kalimuthu, Chia-Hsiang Wang, Shiu-Mei Liu, Li-Chun Tseng, Kadarkarai Murugan, Jiang-Shiou Hwang
Journal of Marine Science and Technology
Mosquito-borne diseases that have an economic impact create losses in commercial and labor outputs, particularly in countries with tropical and subtropical climates. The emergence of resistance to synthetic insecticides is a challenge to mosquito control. Cyclopoid copepods are important predators in many aquatic ecosystems and have been successfully used as biological agents to control mosquito larvae. For this study, we examined the larvicidal activity of the copepod Megacyclops formosanus in combination with the compound marmesin (which was purified from the methanol crude extract of the plant stem bark of Broussonetia papyrifera) against Aedes aegypti larvae. Their larvicidal activity and in …
The Checklist Of Inland-Water And Mangrove Fish Fauna Of Kinmen Island, Fujian Province, Taiwan With Comments On Ecological Conservation Of Native Fishes, I-Shiung Chen, Chia-Jun Weng, Yi-Ru Chen, Shih-Pin Huang, Zong-Han Wen, Nian-Hong Jang-Liaw, Tsung-Hsien Tsai
The Checklist Of Inland-Water And Mangrove Fish Fauna Of Kinmen Island, Fujian Province, Taiwan With Comments On Ecological Conservation Of Native Fishes, I-Shiung Chen, Chia-Jun Weng, Yi-Ru Chen, Shih-Pin Huang, Zong-Han Wen, Nian-Hong Jang-Liaw, Tsung-Hsien Tsai
Journal of Marine Science and Technology
The ecological status of the lowland freshwater and brackish fish fauna traditionally got better protected since long time for military protect region without great human and agriculture impact in last few decades. However, many human reconstruction of river habitats, pollution and overuse of irrigation from river water have become great impact for fish survival in Kinmen. So far, there are totally 27 families, 57 genera and 68 species have been collected and recorded by our intensive survey for those freshwater habitats in inlandwater of Kinmen island, Fujian Province, Taiwan in our recent field survey during 2011-2012. Totally 17 newly recorded …
Mortality In The Ocean - With Lessons From Hydrothermal Vents Off Kueishan Tao, Ne-Taiwan, Hans-Uwe Dahms, Jiang-Shiou Hwang
Mortality In The Ocean - With Lessons From Hydrothermal Vents Off Kueishan Tao, Ne-Taiwan, Hans-Uwe Dahms, Jiang-Shiou Hwang
Journal of Marine Science and Technology
There is evidence of plankton mortality and extinction at various temporal and spatial scales induced by man-made pollution, or by natural causes (ageing, competition, predation, diseases, natural pollution). If mortalities take place at large scale they might become of environmental concern and may impact other biotic compartments including fisheries substantially. Such mortalities are a consistent phenomenon at time scales from geological mass extinctions to regularly occurring HABs, that appear to be increasing on a global basis. Several mass mortalities might have escaped our notice for their patchy and erratic occurrences. This also holds for mortalities caused by hydrothermal vents (HVs) …