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You searched for: Journal Chinese journal of oceanology and limnology Remove constraint Journal: Chinese journal of oceanology and limnology Publication Year 2015 Remove constraint Publication Year: 2015 Source 2015 v.33 no.2 Remove constraint Source: 2015 v.33 no.2
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1. A new record of blue-spotted seabream Pagrus caeruleostictus from Chinese coastal waters documented from morphology and DNA barcoding

Author:
Chen, Yongxia; Liu, Jing; Wu, Renxie
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 500-505
ISSN:
0254-4059
Subject:
DNA barcoding; Pagrus; animal morphology; anthropogenic activities; barcoding; coastal water; cytochrome-c oxidase; eyes; fins; genes; head; humans; jaws; population distribution; teeth; Pacific Ocean; South China Sea
Abstract:
... A new record of Pagrus caeruleostictus (Valenciennes, 1830), collected from the Beibu Gulf, South China Sea in April 2013, was documented based on morphology and cytochrome oxidase I subunit (COI) gene barcoding analyses. It can be distinguished by a combination of the following characteristics: head scaled to above eyes; cheeks with 5 or 6 rows of scales; lateral line scales 51–52; 5 rows of scal ...
DOI:
10.1007/s00343-015-4059-0

2. A new species of Lataxiena Jousseaume, 1883 (Gastropoda: Muricidae) from the East and South China Seas

Author:
Zhang, Suping; Zhang, Shuqian
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 506-509
ISSN:
0254-4059
Subject:
Muricidae; new species; China
Abstract:
... A new muricid gastropod species, Lataxiena lutescena sp. nov., is described and illustrated. The new species was recognized during reidentification of the Muricidae collection in the Marine Biological Museum, Chinese Academy of Sciences, Qingdao. The specimens of the new species were collected from the East and South China Seas off Fujian, Guangdong, and Hainan Provinces. Lataxiena lutescena sp. n ...
DOI:
10.1007/s00343-015-4042-9

3. Changes in phytoplankton communities along nutrient gradients in Lake Taihu: evidence for nutrient reduction strategies

Author:
Ai, Ying; Bi, Yonghong; Hu, Zhengyu
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 447-457
ISSN:
0254-4059
Subject:
Bacillariophyceae; Cyanobacteria; algal blooms; biomass; community structure; eutrophication; lakes; nitrogen; nitrogen content; nutrients; phosphorus; phytoplankton; China
Abstract:
... An annual investigation on phytoplankton communities was conducted to reveal the effects of nutrients on phytoplankton assemblages in Lake Taihu, East China. A total of 78 phytoplankton taxa were identified. Phytoplankton biomass was higher in the northern part of the lake than in the southern part. Cyanobacteria and Bacillariophyta alternated dominance in the northern area, where algal blooms oft ...
DOI:
10.1007/s00343-015-4079-9

4. Cloning and expression of follistatin gene in half-smooth tongue sole Cynoglossus semilaevis during the reproduction cycle

Author:
Wen, Haishen; Si, Yufeng; Zhang, Yuanqing; He, Feng; Li, Jifang
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 299-308
ISSN:
0254-4059
Subject:
Cynoglossus semilaevis; amino acids; aromatase; brain; breeding season; complementary DNA; follicle-stimulating hormone; follicular atresia; follistatin; genes; gills; glycoproteins; messenger RNA; oocytes; phylogeny; rapid amplification of cDNA ends; reverse transcriptase polymerase chain reaction; secretion; spermatogenesis; testes; tissues; transforming growth factor beta; vertebrates
Abstract:
... Follistatin (FST) is a monomeric glycoprotein highly enriched in cysteines and belongs to TGF-β superfamily. FST can suppress the secretion of follicle-stimulating hormone and plays a vital role in the reproduction of vertebrates. We used rapid amplification of cDNA ends technology to clone the FST gene of half-smooth tongue sole, Cynoglossus semilaevis. We characterized its phylogenetic context a ...
DOI:
10.1007/s00343-015-4051-8

5. Cloning, tissue distribution and effects of fasting on pituitary adenylate cyclase-activating polypeptide in largemouth bass

Author:
Li, Shengjie; Han, Linqiang; Bai, Junjie; Ma, Dongmei; Quan, Yingchun; Fan, Jiajia; Jiang, Peng; Yu, Lingyun
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 328-338
ISSN:
0254-4059
Subject:
Micropterus salmoides; adenylate cyclase; alternative splicing; appetite; cerebellum; complementary DNA; diet; embryogenesis; fasting; gene expression; heart; intestines; kidneys; liver; messenger RNA; muscles; polypeptides; quantitative polymerase chain reaction; sequence analysis; spleen; stomach; tissue distribution
Abstract:
... Pituitary adenylate cyclase activating polypeptide (PACAP) has a wide range of biological functions. We cloned the full-length cDNAs encoding PACAP and PACAP-related peptide (PRP) from the brain of largemouth bass (Micropterus salmoides) and used real-time quantitative PCR to detect PRP-PACAP mRNA expression. The PRP-PACAP cDNA has two variants expressed via alternative splicing: a long form, whic ...
DOI:
10.1007/s00343-015-4081-2

6. Cytochemical characterization of yolk granule acid phosphatase during early development of the oyster Crassostrea gigas (Thunberg)

Author:
Wang, Yiyan; Sun, Hushan; Wang, Yanjie; Yan, Dongchun; Wang, Lei
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 339-346
ISSN:
0254-4059
Subject:
Crassostrea gigas; acid phosphatase; early development; egg yolk; embryogenesis; larvae; larval development; morula; oysters; transmission electron microscopy
Abstract:
... In this study, a cytochemical method and transmission electron microscopy was used to examine acid phosphatase activities of yolk granules throughout the early developmental stages of the Pacific oyster Crassostrea gigas. This study aimed to investigate the dynamic change of yolk granule acid phosphatase, and the mechanisms underlying its involvement in yolk degradation during the early developmen ...
DOI:
10.1007/s00343-015-3297-5

7. Diagnostic model construction and example analysis of habitat degradation in enclosed bay: III. Sansha Bay habitat restoration strategy

Author:
Sun, Peng; Yu, Ge; Chen, Zhaozhang; Hu, Jianyu; Liu, Guangxing; Xu, Donghui
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 477-489
ISSN:
0254-4059
Subject:
aquaculture; habitat conservation; habitat destruction; hydrodynamics; nitrogen; pollutants; sediments; China
Abstract:
... Unbalanced inputs and outputs of material are the root cause of habitat degradation in Sansha Bay, Fujian Province, China. However, the cumulative pollution varies in different geographic locations and natural conditions in the enclosed bay. In this study, hydrodynamic conditions, sediment characteristics, and aquaculture methods were recognized as the underlying causes of spatial heterogeneity in ...
DOI:
10.1007/s00343-015-4169-8

8. Diet and feeding ecology of invasive icefish Neosalanx taihuensis in Erhai Lake, a Chinese plateau mesoeutrophicated lake

Author:
Hu, Cuilin; Guo, Longgen; Wang, Shengrui
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 372-380
ISSN:
0254-4059
Subject:
Daphnia; Neosalanx taihuensis; diet; digestive system; ecosystems; fish; food consumption; lakes; light intensity; periodicity; plateaus; temperature; zooplankton
Abstract:
... A comprehensive study of the invasive icefish Neosalanx taihuensis feeding ecology in Erhai Lake was conducted from November 2009 to October 2010. Prey items in the guts of the icefish sampled varied significantly according to season. This finding suggests a relationship between fluctuations in available prey in the environment and selective feeding by icefish. N. taihuensis preferred large-sized ...
DOI:
10.1007/s00343-015-4113-y

9. Effect of flow rate on environmental variables and phytoplankton dynamics: results from field enclosures

Author:
Zhang, Haiping; Chen, Ruihong; Li, Feipeng; Chen, Ling
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 430-438
ISSN:
0254-4059
Subject:
Cyanobacteria; Spirogyra; algal blooms; asexual reproduction; biomass; chlorophyll; dissolved oxygen; environmental factors; growth retardation; lakes; light intensity; nutrients; periphyton; phytoplankton; temperature; turbidity
Abstract:
... To investigate the effects of flow rate on phytoplankton dynamics and related environment variables, a set of enclosure experiments with different flow rates were conducted in an artificial lake. We monitored nutrients, temperature, dissolved oxygen, pH, conductivity, turbidity, chlorophyll-a and phytoplankton levels. The lower biomass in all flowing enclosures showed that flow rate significantly ...
DOI:
10.1007/s00343-015-4063-4

10. Effect of temperature on the standard metabolic rates of juvenile and adult Exopalaemon carinicauda

Author:
Zhang, Chengsong; Li, Fuhua; Xiang, Jianhai
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 381-388
ISSN:
0254-4059
Subject:
adults; ammonium nitrogen; excretion; juveniles; nitrogen; oxygen consumption; pond culture; shrimp; temperature; China
Abstract:
... Ridgetail white prawn (Exopalaemon carinicauda) are of significant economic importance in China where they are widely cultured. However, there is little information on the basic biology of this species. We evaluated the effect of temperature (16, 19, 22, 25, 28, 31, and 34°C) on the standard metabolic rates (SMRs) of juvenile and adult E. carinicauda in the laboratory under static conditions. The ...
DOI:
10.1007/s00343-015-4138-2

11. Effects of elevated CO2 on the photosynthesis and nitrate reductase activity of Pyropia haitanensis (Bangiales, Rhodophyta) grown at different nutrient levels

Author:
Liu, Chunxiang; Zou, Dinghui
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 419-429
ISSN:
0254-4059
Subject:
Bangiales; carbohydrate content; carbohydrates; carbon dioxide; chlorophyll; eutrophication; nitrate reductase; nutrient content; pH; photosynthesis; phycobiliprotein; seawater; temperature; thallus
Abstract:
... Pyropia haitanensis, a commercially important species, was cultured at two CO₂concentrations (390×10⁻⁶and 700×10⁻⁶(parts per million)) and at low and high nutrient levels, to explore the effect of elevated CO₂on the species under nutrient enrichment. Results show that in CO₂-enriched thalli, relative growth rate (RGR) was enhanced under nutrient enrichment. Elevated CO₂decreased phycobiliprotein ( ...
DOI:
10.1007/s00343-015-4057-2

12. Effects of salinity and nutrients on the growth and chlorophyll fluorescence of Caulerpa lentillifera

Author:
Guo, Hui; Yao, Jianting; Sun, Zhongmin; Duan, Delin
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 410-418
ISSN:
0254-4059
Subject:
Caulerpa; chlorophyll; fluorescence; nitrate nitrogen; nutrient content; nutrients; photosystem II; salinity; specific growth rate; vegetative propagation
Abstract:
... Caulerpa lentillifera is a green algae that distributes worldwide and is cultivated for food. We assessed vegetative propagation of C. lentillifera by measuring the specific growth rate (SGR) and chlorophyll fluorescence of the green algae cultured at different salinities and nutrient levels. The results indicated that C. lentillifera can survive in salinities ranging from 20 to 50, and can develo ...
DOI:
10.1007/s00343-015-4105-y

13. Effects of sexual reproduction of the inferior competitor Brachionus calyciflorus on its fitness against Brachionus angularis

Author:
Li, Chen; Niu, Cuijuan
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 356-363
ISSN:
0254-4059
Subject:
Brachionus angularis; Brachionus calyciflorus; animals; clones; egg production; parthenogenesis; population density; population growth; sexual reproduction
Abstract:
... Sexual reproduction adversely affects the population growth of cyclic parthenogenetic animals. The density-dependent sexual reproduction of a superior competitor could mediate the coexistence. However, the cost of sex may make the inferior competitor more vulnerable. To investigate the effect of sexual reproduction on the inferior competitor, we experimentally paired the competition of one Brachio ...
DOI:
10.1007/s00343-015-4071-4

14. Evaluation and improvement of wastewater treatment plant performance using BioWin

Author:
Oleyiblo, Oloche James; Cao, Jiashun; Feng, Qian; Wang, Gan; Xue, Zhaoxia; Fang, Fang
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 468-476
ISSN:
0254-4059
Subject:
activated sludge; aeration; computer software; models; operating costs; oxidation; phosphorus; wastewater treatment; weather
Abstract:
... In this study, the activated sludge model implemented in the BioWin® software was validated against full-scale wastewater treatment plant data. Only two stoichiometric parameters (Y p/acetic and the heterotrophic yield (Y H)) required calibration. The value 0.42 was used for Y p/acetic in this study, while the default value of the BioWin® software is 0.49, making it comparable with the default val ...
DOI:
10.1007/s00343-015-4108-8

15. Expression and enzymatic characterization of a cold-adapted β-agarase from Antarctic bacterium Pseudoalteromonas sp. NJ21

Author:
Li, Jiang; Sha, Yujie
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 319-327
ISSN:
0254-4059
Subject:
Escherichia coli; Pseudoalteromonas; acids; agar; bacteria; beta-agarase; catalysts; enzyme activity; genes; hydrolysis; industry; medicine; pH; sediments; temperature; Antarctic region
Abstract:
... An agar-degrading bacterium, designated as Pseudoalteromonas sp. NJ21, was isolated from an Antarctic sediment sample. The agarase gene aga1161 from Pseudoalteromonas sp. NJ21 consisting of a 2 382-bp coding region was cloned. The gene encodes a 793-amino acids protein and was found to possess characteristic features of the Glyco_hydro_42 family. The recombinant agarase (rAga1161) was overexpresse ...
DOI:
10.1007/s00343-015-4072-3

16. Expression responses of five cold tolerant related genes to two temperature dropping treatments in sea cucumber Apostichopus japonicus

Author:
Li, Chengze; Chang, Yaqing; Pang, Zhenguo; Ding, Jun; Ji, Nanjing
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 309-318
ISSN:
0254-4059
Subject:
Apostichopus japonicus; acute exposure; ambient temperature; cDNA libraries; cold stress; cold tolerance; complementary DNA; ferritin; gene expression; gene expression regulation; genes; growth and development; intestines; lysozyme; messenger RNA; muscles; reproduction; respiratory system; suppression subtractive hybridization; tissues; transcription (genetics)
Abstract:
... Environmental conditions, including ambient temperature, play important roles in survival, growth development, and reproduction of the Japanese sea cucumber, Apostichopus japonicus. Low temperatures result in slowed growth and skin ulceration disease. In a previous study, we investigated the effect of low temperature on gene expression profiles in A. japonicus by suppression subtractive hybridizat ...
DOI:
10.1007/s00343-015-4148-0

17. Feasibility investigation on deep ocean compact autonomous Raman spectrometer developed for in-situ detection of acid radical ions

Author:
Du, Zengfeng; Li, Ying; Chen, Jing; Guo, Jinjia; Zheng, Rong’er
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 545-550
ISSN:
0254-4059
Subject:
correlation; ions; nitrates; quantitative analysis; sulfates
Abstract:
... A newly developed Deep Ocean Compact Autonomous Raman Spectrometer (DOCARS) system is introduced and used for in-situ detection of acid radical ions in this paper. To evaluate the feasibility and capability of DOCARS for quantitative analysis of the acid radical ions in the deep ocean, extensive investigations have been carried out both in laboratory and sea trials during the development phase. In ...
DOI:
10.1007/s00343-015-4096-8

18. Growth and energy budget of juvenile lenok Brachymystax lenok in relation to ration level

Author:
Liu, Yang; Li, Zhongjie; Zhang, Tanglin; Yuan, Jing; Mou, Zhenbo; Liu, Jiashou
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 347-355
ISSN:
0254-4059
Subject:
aquaculture; body composition; body weight; developmental stages; digestibility; energy; equations; feed conversion; feed intake; heat production; satiety; specific growth rate; starvation
Abstract:
... We evaluated the effect of ration level (RL) on the growth and energy budget of lenok Brachymystax lenok. Juvenile lenok (initial mean body weight 3.06±0.13 g) were fed for 21 d at five different ration levels: starvation, 2%, 3%, 4% bwd (body weight per day, based on initial mean values), and apparent satiation. Feed consumption, apparent digestibility, and growth were directly measured. Specific ...
DOI:
10.1007/s00343-015-3349-x

19. Influences of sea ice on eastern Bering Sea phytoplankton

Author:
Zhou, Qianqian; Wang, Peng; Chen, Changping; Liang, Junrong; Li, Bingqian; Gao, Yahui
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 458-467
ISSN:
0254-4059
Subject:
Navicula; Thalassiosira; cluster analysis; ecosystems; ice; melting; phytoplankton; species diversity; spring; Bering Sea
Abstract:
... The influence of sea ice on the species composition and cell density of phytoplankton was investigated in the eastern Bering Sea in spring 2008. Diatoms, particularly pennate diatoms, dominated the phytoplankton community. The dominant species were Grammonema islandica (Grunow in Van Heurck) Hasle, Fragilariopsis cylindrus (Grunow) Krieger, F. oceanica (Cleve) Hasle, Navicula vanhoeffenii Gran, Th ...
DOI:
10.1007/s00343-015-3367-8

20. Mineral distributions in surface sediments of the western South Yellow Sea: implications for sediment provenance and transportation

Author:
Lu, Jian; Li, Anchun; Huang, Peng; Li, Yan
Source:
Chinese journal of oceanology and limnology 2015 v.33 no.2 pp. 510-524
ISSN:
0254-4059
Subject:
coasts; feldspar; illite; kaolinite; monsoon season; pollution load; provenance; quartz; rivers; sediments; smectite; summer; water currents; wind direction; China; Yellow Sea
Abstract:
... The South Yellow Sea (SYS) is strongly influenced by the substantial sediment loads of the Huanghe (Yellow) (including the modern Huanghe and abandoned old Huanghe subaqueous delta) and Changjiang (Yangtze) Rivers. However, the dispersal patterns of these sediments, especially in the western SYS, have not been clearly illustrated. In this study, we have analyzed clay minerals, detrital minerals, a ...
DOI:
10.1007/s00343-015-4106-x