過濾條件已變更

目前顯示的是舊的搜尋結果,重新按下搜尋按鈕以套用新的過濾條件

196701
電子期刊
O. Duteil, and W. Koeve, and A. Oschlies, and D. Bianchi, and E. Galbraith, and I. Kriest, and R. Matear
The Apparent Oxygen Utilisation (AOU) is a classical measure of the amount of oxygen respired in the ocean's interior. We show that AOU systematically overestimates True Oxygen Utilisation (TOU) in 6 coupled circulation-biogeochemical ocean models. This is due to atmosphere–ocean oxygen disequilibria in the subduction regions, consistent with previous work. We develop a simple, new, observationally-based approach which we call Evaluated Oxygen Utilisation (EOU). In this approach, we take into ac...
關鍵字: ocean
出版: Copernicus Publications
ISSN: 1726-4170
來源: DOAJ
System ID: 417819
196702
電子期刊
Z. Cherneva, and C. Guedes Soares
The nonlinear and nonstationary properties of a special field wave record are analysed with the Wigner spectrum with the Choi–Williams kernel. The wave time series, which was recorded at the Ekofisk complex in the central North Sea at 00:40 UTC (universal time coordinated) on 9 November 2007, contains an abnormally high wave known as the "Andrea" wave. The ability of the Wigner spectrum to reveal the wave energy distribution in frequency and time is demonstrated. The results are compared with pr...
關鍵字: sea
出版: Copernicus Publications
ISSN: 1561-8633
來源: DOAJ
System ID: 417818
196703
電子期刊
Márcio Marreiro das Chagas, and Sérgio Marques Júnior, and Andressa Cristine Ferreira Duarte
This study analysis destination image formation in the context of sun and sea tourism segment. For this, relationship between Social-Psychological Factors, Cognitive and Affective Evaluations and Information Sources were examined. Therefore, it was conducted an exploratory and descriptive research with quantitative analytical approach, a Survey research. Data collection was performed by a questionnaire addressed to Brazilian tourist at the most important tourist attractions of Canoa Quebrada/CE ...
關鍵字: sea
出版: Associação Nacional de Pós-Graduação em Turismo
ISSN: 1982-6125
來源: DOAJ
System ID: 417817
196704
電子期刊
Casey Michael Godwin, and James B Cotner
It is frequently presumed that heterotrophic bacteria from aquatic environments have low carbon (C) content, high phosphorus (P) content, and maintain homeostasis at low C:P in their biomass. Dissolved and particulate organic matter from primary producers in terrestrial and aquatic environments typically has high C:P ratios, suggesting that heterotrophic bacteria consuming this resource experience stoichiometric imbalance in C and P. The strength of elemental homeostasis is important for underst...
關鍵字: aquatic
出版: Frontiers Media S.A.
ISSN: 1664-302X
來源: DOAJ
System ID: 417816
196705
電子期刊
Andrew Decker Steen, and Lauren N. M. Quigley, and Alison eBuchan
The 'priming effect', in which addition of labile substances changes the remineralization rate of recalcitrant organic matter, has been intensively studied in soils, but is less well-documented in aquatic systems. We investigated the extent to which additions of nutrients or labile organic carbon could influence remineralization rates of 14C-labeled, microbially-degraded, phytoplankton-derived organic matter (OM) in microcosms inoculated with microbial communities drawn from Grove’s Creek Estuar...
關鍵字: estuarine
出版: Frontiers Media S.A.
ISSN: 2296-7745
來源: DOAJ
System ID: 417815
196706
電子期刊
Isabelle eAmado, and Isabelle eAmado, and lindsay eBrenugat-Herne, and Eric eOrriols, and Colombe eDesombre, and Maxine eDos Santos, and Zelda eProst, and Marie-Odile eKrebs, and Marie-Odile eKrebs, and Pascale ePiolino
Cognitive deficits in schizophrenia impair everyday functioning and instrumental daily living activities. These disabilities can be partly responsible for chronicity and institutionalization. We present here a virtual reality (VR) tool in which patients with schizophrenia performed a virtual game in an imaginary town during a three-month program. In a pilot study, 7 patients with schizophrenia (DSM 5), institutionalized for many years, attended weekly one-hour- and-a-half sessions organized by t...
關鍵字: pilot
出版: Frontiers Media S.A.
ISSN: 1664-0640
來源: DOAJ
System ID: 417814
196707
電子期刊
F. K. Siqueira-Souza, and C. Bayer, and W. H. Caldas, and D. C. Cardoso, and K. C. Yamamoto, and C. E. C. Freitas
Abstract Fishes inhabiting Amazonian floodplain lakes exhibits a great variety of body shape, which was a key advantage to colonize the several habitats that compose these areas adjacent to the large Amazon rivers. In this paper, we did an ecomorphological analysis of twenty abundant species, sampled in May and August 2011, into two floodplain lakes of the lower stretch of the Solimões River. The analysis detected differences among species, which could be probably associated with swimming abilit...
關鍵字: fish
出版: Instituto Internacional de Ecologia
ISSN: 1519-6984
來源: DOAJ
System ID: 417813
196708
電子期刊
Femina Wahaab, and Kalidass Subramaniam, and Morris Jawahar
Objective: To report the efficacy of marine actinomycetes in controlling Staphylococcus aureus (S. aureus)-induced conjunctivitis in experimental rabbit. Methods: The ethyl acetate extracts of the best isolates of actinomycetes from the soil samples of Rameswaram coastal regions, Tamil Nadu, India, were concentrated and re-constituted in buffer and used as actinomycetes ophthalmic suspension in this study. The anti-inflammatory efficacy of actinomycetes ophthalmic suspension was analysed in...
關鍵字: marine
出版: Journal of Coastal Life Medicine Editorial Office
ISSN: 2309-5288
來源: DOAJ
System ID: 417812
196709
電子期刊
A. Steinmann
No abstract available.
關鍵字: seiner
出版: Copernicus Publications
ISSN: 0016-7312
來源: DOAJ
System ID: 417811
196710
電子期刊
Svetlana N Tultseva, and Yury S Astakhov, and Sergei A Novikov, and Pavel A Nechiporenko, and Alla B Lisochkina, and Andranik Y Ovnanyan, and Sergei Y Astakhov
ABSTRACT Purpose: We compared the efficacy and safety of ranibizumab versus ranibizumab plus scatter laser photocoagulation (SLP) in patients with chronic post-central retinal vein occlusion (CRVO) macular edema (ME). Methods: This prospective non-randomized pilot study included 250 patients with peripheral retinal ischemia and CRVO-related ME. The mean follow-up period was 24.5 ± 6.5 months. The clinical assessments conducted included best corrected visual acuity, optical coherence tomography...
關鍵字: pilot
出版: Conselho Brasileiro de Oftalmologia
ISSN: 0004-2749
來源: DOAJ
System ID: 417810
196711
電子期刊
Kim Lemmens, and Inge Van Hove, and Lieve Moons
關鍵字: fish
出版: Medknow Publications
ISSN: 1673-5374
來源: DOAJ
System ID: 417809
196712
電子期刊
Gaetano Licitra, and Fabrizio Borsani, and Giuseppe Marsico, and Gianni Pavan, and Giorgio Riccobene
I cetacei sfruttano il suono come strumento di comunicazione e di visione subacquea, ma ora si trovano ad affrontare un ambiente alterato dall'inquinamento acustico dovuto ad attività umane. L’implementazione della direttiva sulla marine strategy è stata l’occasione per raccogliere i dati acustici presenti in Italia, nonchè per definire le criticità esistenti. Sono qui presentati i risultati del progetto Gionha per la ricostruzione modellistica del rumore sottomarino nell’alto tirreno e gli osse...
關鍵字: marine
出版: Associazione Italiana di Acustica
ISSN: 2385-2615
來源: DOAJ
System ID: 417808
196713
電子期刊
Jeane A. Almeida, and Rodrigo E. Barreto, and Ethel L. B. Novelli, and Fabio J. Castro, and Sandro E. Moron
The objective of this study was to investigate the possible link between cadmium exposure, hepatic markers of oxidative stress and aggressive behavior in Nile tilapia (Oreochromis niloticus). Fish were first exposed to 0.75 mg/L CdCl2 for 15 days (12 isolated fish for each group) and afterward a behavioral test was performed. Fish from the control and cadmium-exposed groups were paired for 1 h (6 pairs of fish per group) for determination of aggressiveness parameters. Immediately after the behav...
關鍵字: aquatic
出版: Sociedade Brasileira de Ictiologia
ISSN: 1679-6225
來源: DOAJ
System ID: 417807
196714
電子期刊
Carlos Bernardo Mascarenhas Alves
Rio Paraopeba, a tributary of rio São Francisco, has a six-meter high dam, built in 1978 to divert water to the Igarapé Thermal Power Plant. In 1994, a fish ladder was built at this dam. The results of a marking and recapture program carried out along rio Paraopeba between 1997 and 2001 are described, using information from fish community studies conducted at ten sampling stations between 1994 and 1997. These investigations showed the presence of at least 91 species in the river. During four rai...
關鍵字: fish
出版: Sociedade Brasileira de Ictiologia
ISSN: 1679-6225
來源: DOAJ
System ID: 417806
196715
電子期刊
ECR Bartozek, and NC Bueno, and LC Rodrigues
This study investigated the enrichment influence due to fish farming in net cages on the phytoplankton composition, density and diversity in two arms of a subtropical reservoir (Salto Caxias, Paraná). There were no statistically significant differences in the phytoplankton composition and diversity, as well as for concentrations of nutrients among the handled treatment. The density values were higher during the summer. Richness and Shannon diversity values were low during the study period. The e...
關鍵字: fish
出版: Instituto Internacional de Ecologia
ISSN: 1519-6984
來源: DOAJ
System ID: 417805
196716
電子期刊
J. Thomsen, and K. Haynert, and K. M. Wegner, and F. Melzner
Bivalve calcification, particularly of the early larval stages, is highly sensitive to the change in ocean carbonate chemistry resulting from atmospheric CO<sub>2</sub> uptake. Earlier studies suggested that declining seawater [CO<sub>3</sub><sup>2&minus;</sup>] and thereby lowered carbonate saturation affect shell production. However, disturbances of physiological processes such as acid-base regulation by adverse seawater <i>p</i>CO<sub>2</sub> and pH can affect calcification in a secondary fas...
關鍵字: marine
出版: Copernicus Publications
ISSN: 1726-4170
來源: DOAJ
System ID: 417804
196717
電子期刊
J. Raddatz, and A. Rüggeberg, and S. Flögel, and E. C. Hathorne, and V. Liebetrau, and A. Eisenhauer, and W.-Chr. Dullo
No abstract available.
關鍵字: coral
出版: Copernicus Publications
ISSN: 1726-4170
來源: DOAJ
System ID: 417803
196718
電子期刊
Deon Rousseau
This article describes the development of a theoretical model from which certain criteria of consumer awareness were identified and tested in an empirical study involving a cross-cultural sample of 436 consumers. Results revealed five criteria of consumer awareness viz bargain hunting, general consumer knowledge, product knowledge, information search and price consciousness. These criteria differed across socio-economic race groups in terms of their importance. The implications of the findings f...
關鍵字: pilot
出版: AOSIS
ISSN: 0258-5200
來源: DOAJ
System ID: 417802
196719
電子期刊
Maira C. Proietti, and Julia Reisser, and Luis F. Marins, and Maria A. Marcovaldi, and Luciano S. Soares, and Danielle S. Monteiro, and Sarath Wijeratne, and Charitha Pattiaratchi, and Eduardo R. Secchi
Hybridization between hawksbill (Eretmochelys imbricata) and loggerhead (Caretta caretta) breeding groups is unusually common in Bahia state, Brazil. Such hybridization is possible because hawksbill and loggerhead nesting activities overlap temporally and spatially along the coast of this state. Nevertheless, the destinations of their offspring are not yet known. This study is the first to identify immature hawksbill × loggerhead hybrids (n = 4) from this rookery by analyzing the mitochondrial D...
關鍵字: sea
出版: PeerJ Inc.
ISSN: 2167-8359
來源: DOAJ
System ID: 417801
196720
電子期刊
V.L. Schumacher, and B. Mangold, and J. Lenzycki, and L. Hinckley, and D.A. Sutton, and S. Frasca Jr.
Purpureocillium lilacinum and Beauveria bassiana were isolated from lung sampled at necropsy of a 12 year-old female loggerhead sea turtle (Caretta caretta) that had displayed abnormal buoyancy. Histopathologic evaluation revealed pleuritis and pneumonia with non-melanized, septate hyphae and fruiting structures identical to those of P. lilacinum. This case emphasizes the importance of a histological correlate to fungal culture when environmental fungi are isolated and demonstrates the infrequen...
關鍵字: sea
出版: Elsevier
ISSN: 2211-7539
來源: DOAJ
System ID: 417800
196721
電子期刊
J.C. Paredes Palma, and E. López Byhen, and L. Ibáñez, and L. Balladares Macedo, and C. Paredes Palma, and C. Ramírez Velázquez
Objective: To determine the efficacy of sitagliptin alone or in combination with metformin in women with polycystic ovary in terms of ovarian cyclicity, fertility and cardiometabolic profile compared to metformin alone. Rationale: polycystic ovarian syndrome (PCOS) affects a percentage of 5–10% of women of reproductive age worldwide and has a prevalence of 6.6% (95% CI: 2.3–10.9%) in Mexican women and most common cause of infertility in developed countries. Treatment with insulin sensitizing dru...
關鍵字: pilot
出版: Elsevier
ISSN: 0185-1063
來源: DOAJ
System ID: 417799
196722
電子期刊
Raffaele Marrone, and Leonardo Carosielli, and Michele Mangiacotti, and Eugenio Chiaravalle, and Giorgio Smaldone, and Aniello Anastasio
Many countries, in order to authorise the use of food irradiation, claim the availability of methods to detect the occurred treatment in addition to the respect of safe use of this technology. Among physical methods, the electron spin resonance (ESR) measuring the number of free radicals that are formed during irradiation can be applied only to those foods with cellulose, a crystalline or bone structure, in which free radicals have a shelf life greater than irradiated product. The aim of this st...
關鍵字: fish
出版: PAGEPress Publications
ISSN: 2239-7132
來源: DOAJ
System ID: 417798
196723
電子期刊
Marco Aurélio Pereira Horta, and Aldo Pacheco Ferreira, and Antonio José Rocha Luzardo, and Vincent Brignol, and Vanessa Índio do Brasil, and André Ricardo Maia da Costa de Faro, and Wagner de Jesus Pinto
Objective: To estimate the risk of cadmium (Cd) contamination through the ingestion of fish by a population of fish consumers in Sepetiba Bay-SE, Brazil. Methods: We estimated the risk of cadmium intake for fish consumers in the study area. For control purposes we based it on fish consumption by the population, making it possible to estimate the probability and risk due to cadmium intake by means of the assessment of hazard quotient (HQ). Results: The risk for cadmium intake was 110 times great...
關鍵字: coastal
出版: Universidade de Fortaleza
ISSN: 1806-1222
來源: DOAJ
System ID: 417797
196724
電子期刊
L. M. Jong, and L. M. Jong, and L. M. Jong, and R. M. Gladstone, and R. M. Gladstone, and B. K. Galton-Fenzi, and B. K. Galton-Fenzi, and M. A. King
<p>Marine-terminating ice sheets are of interest due to their potential instability, making them vulnerable to rapid retreat. Modelling the evolution of glaciers and ice streams in such regions is key to understanding their possible contribution to sea level rise. The friction caused by the sliding of ice over bedrock and the resultant shear stress are important factors in determining the velocity of sliding ice. Many models use simple power-law expressions for the relationship between the...
關鍵字: marine
出版: Copernicus Publications
ISSN: 1994-0416
來源: DOAJ
System ID: 417796
196725
電子期刊
Salvador Romero-Gallardo, and Iván Velázquez-Abunader, and Jorge Alberto López-Rocha, and Eduardo Garza-Gisholt
The Natural Mortality coefficient (M) is a key parameter for stock assessments. The need to establish age-specific natural mortality coefficients is widely recognized because M decreases rapidly over the early stages of the life cycle until it reaches a stable M value around the age-at-maturity. The aim of this study was to estimate M during the life cycle of the sea cucumber Isostichopus badionotus, a species under heavy fishing exploitation in the Caribbean Sea and the Gulf of Mexico. Coeffici...
關鍵字: sea
出版: PeerJ Inc.
ISSN: 2167-8359
來源: DOAJ
System ID: 417795
196726
電子期刊
Bosneagu Romeo, and Scurtu Ionut C., and Popov Petrica, and Mateescu Razvan-Doru, and Dumitrache Lucian, and Mihailov Maria-Emanuela
The work involves assessing of the marine current regime in the north west of the Black Sea, Midia Cape-Constanta area. The area of interest is chosen due its existing features, using marine currents data (direction and speed) within the CFD to determine the distribution of velocities and pressures. The study on the distribution of velocities and pressures, according to local hydro-meteorological characteristic elements, can be used for identifying the risk areas for navigation and existing hydr...
關鍵字: marine
出版: VINCA Institute of Nuclear Sciences
ISSN: 0354-9836
來源: DOAJ
System ID: 417794
196727
電子期刊
Ahmad Muhammad Imran, and Shah Mansoor ul Hassan, and Muhammad Khan Zaib Alam, and Kamran Muhammad Ali, and Ahmad Afzal, and Irfan Muhammad, and Durrani Ali Ahmed
A climbing film evaporator is similar to a vertical tube heat exchanger, where a hot fluid, such as steam is introduced in shell side and a cold fluid such as sugar syrup is fed in tube side. In this work, variation of the overall heat transfer coefficient due to changes in process variables was investigated experimentally for concentration of cane-sugar syrup in a pilot scale climbing film evaporator. A full two-level factorial experiment was performed and significant factors were determined us...
關鍵字: pilot
出版: Association of the Chemical Engineers of Serbia
ISSN: 1451-9372
來源: DOAJ
System ID: 417793
196728
電子期刊
A. K. Peterson, and A. K. Peterson
In sea ice, interconnected pockets and channels of brine are surrounded by fresh ice. Over time, brine is lost by gravity drainage and flushing. The timing of salt release and its interaction with the underlying water can impact subsequent sea ice melt. Turbulence measurements 1 m below melting sea ice north of Svalbard reveal anticorrelated heat and salt fluxes. From the observations, 131 salty plumes descending from the warm sea ice are identified, confirming previous observations from a...
關鍵字: brine
出版: Copernicus Publications
ISSN: 1812-0784
來源: DOAJ
System ID: 417792
196729
電子期刊
Esperança Gacia, and María Paola Satta, and Daniel Martín
Erosion problems in coastal zones are increasingly threatening Mediterranean shores. In tourist areas such as the Catalan coast, there has been an increasing demand for the construction of low crested structures (LCS) to maintain beaches for recreational purposes. We studied the composition of the biota from three LCS and compared it with that of nearby natural rocky shores. Our purpose was to assess the composition of the communities growing on the LCS at a regional scale and to explore potenti...
關鍵字: coastal
出版: Consejo Superior de Investigaciones Científicas
ISSN: 0214-8358
來源: DOAJ
System ID: 417791
196730
電子期刊
Pawan K. Bharti, and U.K. Niyogi
The Larsemann Hills range is an ice-free oasis on the Ingrid Christensen Coast of Princess Elizabeth Land, East Antarctica, which includes Bharti Island, Fisher Island, McLeod Island, Broknes Peninsula, Stornes Peninsula, and several other islands, promontories, and nunataks. The Larsemann Hills is an ice-free area of approximately 50 km2, located halfway between the Vestfold Hills and the Amery Ice Shelf on the south-eastern coast of Prydz Bay, Princess Elizabeth Land, East Antarctica. The ice-...
關鍵字: aquatic
出版: Global Journal of Environmental Science and Management
ISSN: 2383-3572
來源: DOAJ
System ID: 417790
196731
電子期刊
Suhelen eEgan, and Torsten eThomas
關鍵字: marine
出版: Frontiers Media S.A.
ISSN: 1664-302X
來源: DOAJ
System ID: 417789
196732
電子期刊
Mehta A, and Rodrigues C, and Kumar R, and Rattan A, and Sridhar H, and Mattoo V, and Ginde V
This surveillance study was conducted simultaneously at three centres across India. A total of 13,610 test samples from various sites were obtained. Microbiological methods employed were similar at the three centres. Identification of S aureus was based on the recognition of the production of coagulase with positive isolates being recorded as S aureus. Both tube coagulase tests and slide coagulase test were performed. Antimicrobial susceptibility testing of the isolated strains of staphylococcus...
關鍵字: pilot
出版: Wolters Kluwer Medknow Publications
ISSN: 0022-3859
來源: DOAJ
System ID: 417788
196733
電子期刊
Ramona S DeJesus, and Rajeev Chaudhry, and Dorinda J Leutink, and et al
Ramona S DeJesus1, Rajeev Chaudhry1, Dorinda J Leutink2, Melanie A Hinton1, Stephen S Cha3, Robert J Stroebel11Division of Primary Care Internal Medicine, 2Quality Management Services, 3Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, USAAbstract: There continues to be a need for improved medical management of diabetes patients with hypertension in primary care. While several care models have shown effectiveness in achieving various outcomes among these patients, it...
關鍵字: pilot
出版: Dove Medical Press
ISSN: 1176-6344
來源: DOAJ
System ID: 417787
196734
電子期刊
Nélio Achão Filho, and Osvaldo Luíz Gonçalves Quelhas
O presente trabalho tem por objetivo conceituar o que é ABC (Activity Based Costing) e apresentar, de forma sistemática, uma sugestão de critérios para aplicação em empresa de construção naval. Basicamente, o estudo pretende contribuir, através do efeito demonstração do estudo de caso, para a conscientização quanto as dificuldades e oportunidades oferecidas pela implementação de um sistema ABC, numa área carente de novas metodologias gerenciais.<br>The objective of this article is to evaluate wh...
關鍵字: naval
出版: Associação Brasileira de Engenharia de Produção (ABEPRO)
ISSN: 0103-6513
來源: DOAJ
System ID: 417786
196735
電子期刊
P. Rasmussen, and T. O. Sonnenborg, and G. Goncear, and K. Hinsby
Groundwater abstraction from coastal aquifers is vulnerable to climate change and sea level rise because both may potentially impact saltwater intrusion and hence groundwater quality depending on the hydrogeological setting. In the present study the impacts of sea level rise and changes in groundwater recharge are quantified for an island located in the Western Baltic Sea. The low-lying central area of the investigated part of the island was extensively drained and reclaimed during the second ha...
關鍵字: coastal
出版: Copernicus Publications
ISSN: 1027-5606
來源: DOAJ
System ID: 417785
196736
電子期刊
Kraguljac-Kurtović Nada, and Krajnović Milena, and Dimitrijević B., and Mihaljević Biljana, and Gotić Mirjana, and Krtolica Koviljka
The methylation status of the target promoter sequences of p15INK4B (p15) and O6-methylguanine-DNA methyltransferase (MGMT) genes was studied by methylation-specific PCR in 10 adult patients with de novo B-cell non- Hodgkin lymphoma (B-NHL). The aberrant hypermethylation of the p15 gene was more frequent (50%) compared to the hypermethylation of the MGMT gene (30%), and was detected in different types of B-NHL in both genes. Hypermethylation of the MGMT gene occurred exclusively in association w...
關鍵字: pilot
出版: University of Belgrade, University of Novi Sad
ISSN: 0354-4664
來源: DOAJ
System ID: 417784
196737
電子期刊
Martin eStevens, and Alice E Lown, and Louisa E Wood
Camouflage is perhaps the most widespread anti-predator defense in nature, with many different types thought to exist. Of these, resembling the general color and pattern of the background (background matching) is likely to be the most common. Background matching can be achieved by adaptation of individual appearance to different habitats or substrates, behavioral choice, and color change. Although the ability to change coloration for camouflage over a period of hours or days is likely to be wide...
關鍵字: shore
出版: Frontiers Media S.A.
ISSN: 2296-701X
來源: DOAJ
System ID: 417783
196738
電子期刊
D. R. Clark, and I. J. Brown, and A. P. Rees, and P. J. Somerfield, and P. I. Miller
The assimilation and regeneration of dissolved inorganic nitrogen, and the concentration of N<sub>2</sub>O, was investigated at stations located in the NW European shelf sea during June/July 2011. These observational measurements within the photic zone demonstrated the simultaneous regeneration and assimilation of NH<sub>4</sub><sup>+</sup>, NO<sub>2</sub><sup>−</sup> and NO<sub>3</sub><sup>−</sup>. NH<sub>4</sub><sup>+</sup> was assimilated at 1.82–49.12 nmol N L<sup>−1</sup> h<sup>−1</sup> and...
關鍵字: ocean
出版: Copernicus Publications
ISSN: 1726-4170
來源: DOAJ
System ID: 417782
196739
電子期刊
Myrna eBarjau Perez-Milicua, and Tania eZenteno-Savin, and Daniel E. Crocker, and Juan Pablo Gallo
Aquatic and semiaquatic mammals have the capacity of breath hold (apnea) diving. Northern elephant seals (Mirounga angustirostris) have the ability to perform deep and long duration dives; during a routine dive, adults can hold their breath for 25 min. Neotropical river otters (Lontra longicaudis annectens) can hold their breath for about 30 sec. Such periods of apnea may result in reduced oxygen concentration (hypoxia) and reduced blood supply (ischemia) to tissues. Production of adenosine 5’-t...
關鍵字: aquatic
出版: Frontiers Media S.A.
ISSN: 1664-042X
來源: DOAJ
System ID: 417781
196740
電子期刊
E. Metzger, and D. Langlet, and E. Viollier, and N. Koron, and B. Riedel, and M. Stachowitsch, and J. Faganeli, and M. Tharaud, and E. Geslin, and F. Jorissen
Long-term experimental studies suggest that, under transient anoxic conditions, redox fronts within the sediment shift upwards, causing sequential rise and fall of benthic fluxes of reduced species (Mn(II), Fe(II) and S(-II)). Infaunal benthic organisms are associated with different redox fronts as micro-habitats and must be affected by such changes during natural hypoxia events. In order to document the geochemical evolution of the sediment during prolonged anoxia in the framework of an in situ...
關鍵字: coastal
出版: Copernicus Publications
ISSN: 1726-4170
來源: DOAJ
System ID: 417780
196741
電子期刊
L. Zawadzki, and M. Ablain
The current mean sea level (MSL) continuous record, essential to understanding the climate evolution, is computed with the altimetric measurements of the TOPEX/Poseidon mission, succeeded by Jason-1 and later Jason-2. The accurate continuity of the record is ensured by the conservation of the "historical" TOPEX orbit as well as by calibration phases between the successive missions which enable a rigorous computation of their relative biases. In order to extend the current MSL record, Jason-3 wil...
關鍵字: sea
出版: Copernicus Publications
ISSN: 1812-0784
來源: DOAJ
System ID: 417779
196742
電子期刊
Azzurra Massimi, and Carolina Marzuillo, and Marco Di Muzio, and Maria Rosaria Vacchio, and Elvira D'Andrea, and Paolo Villari, and Corrado De Vito
<p>Background. Literature on the evaluation of the Master’s Degree in Nursing is scarce. The objective of this pilot study was to test a questionnaire aimed at monitoring the activities of nurses after receiving the Master’s degree.</p><p>Methods. An electronic questionnaire was administered to 36 graduates who obtained the Master’s degree during the academic year 2010/2011.</p><p>Results. Almost 80% of the participants judged their level of improvement in knowledge and skills during the course ...
關鍵字: pilot
出版: Prex S.r.l.
ISSN: 2282-0930
來源: DOAJ
System ID: 417778
196743
電子期刊
Eva Krejčí, and Miroslav Janura, and Zdeněk Svoboda
Background: The research is based on an assumption that the hypokinesia induced by cerebral palsy (CP) leads to inhibition of some mental functions. The method we used to treat patients with CP, hippotherapy (HT), is a treatment using horses and belongs to proprioceptive-neuromuscular-facilitative methods. Objective: The aim of the research was to determine the benefit of HT on attention and memory of patients with CP. Methods: There were two groups of patients: short-term HT (<em>n</em>&#8239;=...
關鍵字: pilot
出版: Palacký University Olomouc
ISSN: 2336-4912
來源: DOAJ
System ID: 417777
196744
電子期刊
李弘善 Hung-Shan Li, and 劉湘瑤 Shiang-Yao Liu, and 陳麗淑 Li-Shu Chen, and 葉庭光 Ting-Kuang Yeh , and 葉佳承 Chia-Cheng Yeh
海洋與環境教育已列為中、小學課程重大議題之一,以融入既有學科領域課程的方式進行教學,教師必須有能力選取適當素材、運用有效的教學法並選擇適當的時機在課室中實施,因此凸顯教師專業發展的需求。本研究規劃一個以建立海洋環境教育實務社群為目標的專業成長方案,分成招募期、媒合期和協作期等三階段。本研究報導此專業成長方案在招募階段對29位參與者所做的問卷調查結果,據以推估其持續參與專業成長方案和實施教學的意願。報名前施以問卷結果顯示,多數教師參與本研習課程的期望是充實海洋與環境議題的內容知識和蒐集可用的教學資源。運用關注階層問卷診斷教師對議題融入教學的關注類型,結果顯示僅七位參與者屬於有經驗的使用者,能關注此類教學對學生產生的影響和尋求合作管道,其中六位能積極投入專業成長方案;多數參與者仍屬於非使用者,處於覺察和資訊的關注階層,較低比例願意加入實務社群。本研究結果驗證理論模式,當參與者對革新課程的關注階層愈高,則持續參與專業發展的意願也愈高。建立實務社群作為專業成長方案的目標,可因應高關注階層的參與者對於尋找合作機會和提升學生學習成效的需求。 Marine environmental educat...
關鍵字: 海洋
出版: National Taiwan Normal University
ISSN: 2073-753X
來源: DOAJ
System ID: 417776
196745
電子期刊
E. MATOS, and M. N. S. SANTOS, and C. AZEVEDO
The ultrastructural features of the sperm were studied in the hermaphroditic teleost Satanoperca jurupari HECKEL, 1840 from Amazon River. Spermatocytes, spermatids and sperm develop in the testicular cysts among the different oocyte stages. Different stages of early spermatocyte development, mainly the ones with synaptonemal complexes were often observed. The mature spermatozoa belong to the introsperm type, with a short head (~ 3 mm long and 1.3 mum wide) without acrosome, short midpiece (~ 1.2...
關鍵字: fish
出版: Instituto Internacional de Ecologia
ISSN: 1519-6984
來源: DOAJ
System ID: 417775
196746
電子期刊
Jacob Mathew Jr.
As more people flock to coastal areas such as Hawaii for vacation, many may find themselves coming into contact with coral reef for the first time. Whether it’s through snorkeling, swimming, scuba diving, or surfing, the reef can pose a serious danger to anyone not familiar with this delicate life form. While it may appear to be a rock, it is actually a living creature that is home to multiple strains of bacteria. These bacteria can quickly invade injuries sustained from contacting ree...
關鍵字: reef
出版: Journal of Coastal Life Medicine Editorial Office
ISSN: 2309-5288
來源: DOAJ
System ID: 417774
196747
電子期刊
Renato A. M. Silvano, and Alpina Begossi
We analyzed fishermen's local ecological knowledge (LEK) about the feeding habits, trophic interactions, habitats, fishing grounds, migration, and reproduction of nine coastal fishes in Búzios Island, southeastern Brazilian coast. We interviewed 39 fishermen using standardized questionnaires. Fishermen's LEK on habitat use and trophic interactions for the studied fishes agreed with the scientific literature, allowing the organization of reef and pelagic food webs. The interviewed fishermen menti...
關鍵字: coastal
出版: Sociedade Brasileira de Ictiologia
ISSN: 1679-6225
來源: DOAJ
System ID: 417773
196748
電子期刊
Gubić Jasmina M., and Plavšić Dragana V., and Šarić Ljubiša Ć., and Varga Ana O., and Čabarkapa Ivana S., and Filipčev Bojana V., and Šimurina Olivera D.
Different working temperatures were tested in order to confirm their effects on the quality of fish after osmotic dehydration. Microbiological profile and chemical content in fish were investigated, before and after osmotic treatment in sugar beet molasses solutions. Based on results it was concluded that molasses as hypertonic solution had great influence on the quality of the final product. The fat content decreased by 1.5% in sugar beet molasses solution at different temperatures (20°C and 50...
關鍵字: fish
出版: Institute for Food Technology, Novi Sad
ISSN: 2217-5369
來源: DOAJ
System ID: 417772
196749
電子期刊
J. Meyer, and U. Riebesell
Concerning their sensitivity to ocean acidification, coccolithophores, a group of calcifying single-celled phytoplankton, are one of the best-studied groups of marine organisms. However, in spite of the large number of studies investigating coccolithophore physiological responses to ocean acidification, uncertainties still remain due to variable and partly contradictory results. In the present study we have used all existing data in a meta-analysis to estimate the effect size of future <i>p</i>C...
關鍵字: ocean
出版: Copernicus Publications
ISSN: 1726-4170
來源: DOAJ
System ID: 417771
196750
電子期刊
A. I. Arkhipkin, and V. V. Laptikhovsky, and Ch. M. Nigmatullin, and A. V. Bespyatykh, and S. A. Murzov
Length composition, age, growth, reproductive biology, feeding and parasites were studied using 432 individuals of the squid Ornithoteuthis antillarum (1.8-138 mm ML) collected in the open waters of the tropical central-east Atlantic. In the region studied, only a small-sized and early-maturing population of O. antillarum occur. Statolith shape, development and microstructure have several peculiar features setting O. antillarum apart of other ommastrephids. Assuming growth increments within stat...
關鍵字: squid
出版: Consejo Superior de Investigaciones Científicas
ISSN: 0214-8358
來源: DOAJ
System ID: 417770