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| Registros recuperados: 18.180 | |
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| Claisse, Didier; Knoery, Joel. |
| Since 1979, the French Marine Monitoring network (RNO) has been regularly collecting blue mussels and oysters at some 100 characterized sites along the French shore. The bivalves are used as quantitative bio-indicators of coastal chemical contamination. Since 1981, the collected samples have been stabilized and archived in a sample bank. The sample collection is thus a continuously lengthening record of coastal contamination. Bivalves are collected by the Ifremer coastal laboratories. In order to eliminate their faeces and pseudofaeces, molluscs are depurated for 24 hours in decanted sea water from the sampling area. They are then sized, shucked from their shell and frozen in pools of 20-50 animals. At the Dépt of Biogeochemistry and Ecotoxicology, the... |
| Tipo: Text |
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| Ano: 2010 |
URL: http://archimer.ifremer.fr/doc/00016/12692/9608.pdf |
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| Aaron W. Baum; Tadeusz Patzek; Martin Bender; Steve Renich; Wes Jackson. |
| An understanding of agriculture's energy, material, and labor requirements is essential for achieving economic and ecological sustainability, and for assessing the effectiveness of relevant policy decisions (biofuel subsidies, regulations, labeling, etc.). Previous studies of energy, materials, and labor use in farming have been based on either unverified voluntary reporting or test plots, rather than on the high-resolution measurements of mass and energy flows. Here we present a recursive analysis of 1.25 million data points describing in unprecedented detail the resource transactions on a 60 ha farm functioning for over 6 years. This analysis highlights the importance of accounting for all types of materials, as well as capital equipment,... |
| Tipo: Manuscript |
Palavras-chave: Ecology; Earth & Environment. |
| Ano: 2010 |
URL: http://precedings.nature.com/documents/4291/version/1 |
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| Mbatha, C. Nhlanhla; Antrobus, G.G.. |
| A good indicator of successful farm redistribution cases has to be the continuation of viable productivity rates in their post transfer periods. Continued productivity benefits all the stakeholders that are involved in the process. Unfortunately negative productivity levels have been reported in numerous South African land redistribution transfers in recent years. A game theoretic perspective is adopted to argue that cooperation among key stakeholders, which could be enforced through long term contracts between a land buyer, sellers and new owners, would lead to higher productivity levels and other benefits. Additional benefits would, for example, include market related prices paid by a buyer. Sugarcane farm transfer cases from two municipality districts... |
| Tipo: Journal Article |
Palavras-chave: Sugarcane; Farms; Redistribution; Productivity; Cooperation; Games; Land Economics/Use; Research Methods/ Statistical Methods. |
| Ano: 2010 |
URL: http://purl.umn.edu/96156 |
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| Cheng, Hongyuan; Friis, Alan; Høeg Hansen, Jonas; Tolderlund Rasmussen, Hanne. |
| Effects of extrusion parameters and raw materials on extrudate expansion are respectively investigated in a twin-screw extruder and a single-screw extruder extrusion cooking experiments for fish feed, wheat, and oat & wheat mixture processing. A new phenomenological model is proposed to correlated extrudate bulk density, extrusion parameters and raw material changes based on the experimental results. The average absolute deviation (AAD) of the correlation is 2.2% for fish feed extrusion in the twin-screw extrusion process. For the single-screw extrusion process, the correlation AAD is respectively 3.03%, 5.14% for wheat and oat & wheat mixture extrusion; and the correlation AAD is 6.6% for raw material change effects. The correlation results... |
| Tipo: Journal paper |
Palavras-chave: Technology assessment. |
| Ano: 2010 |
URL: http://orgprints.org/18204/1/18204.pdf |
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| Robert I. Muetzelfeldt. |
| Increasingly, the biological modelling community is looking for ways of handling complex and possibly dynamic structures in their models. On the one hand, the pathway-modelling groups (SBML and CellML) seek to move up levels of organisation, while on the other hand the "Virtual X" communities (where X is some organism or organ) need to represent the organisational structure within their object of study. To date, various approaches have been proposed, such as the SBML Level 3 'comp', 'spatial', 'array' and 'dyn' extension packages, and domain-specific elements in languages such as NeuroML, but there is no generic approach intended to be adopted by the various... |
| Tipo: Presentation |
Palavras-chave: Ecology; Bioinformatics. |
| Ano: 2010 |
URL: http://precedings.nature.com/documents/5188/version/1 |
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| Cheng,Xiao; Jiang,Haiyang; Zhao,Yang; Qian,Yexiong; Zhu,Suwen; Cheng,Beijiu. |
| A large set of candidate nucleotide-binding site (NBS)-encoding genes related to disease resistance was identified in the sorghum (Sorghum bicolor) genome. These resistance (R) genes were characterized based on their structural diversity, physical chromosomal location and phylogenetic relationships. Based on their N-terminal motifs and leucine-rich repeats (LRR), 50 non-regular NBS genes and 224 regular NBS genes were identified in 274 candidate NBS genes. The regular NBS genes were classified into ten types: CNL, CN, CNLX, CNX, CNXL, CXN, NX, N, NL and NLX. The vast majority (97%) of NBS genes occurred in gene clusters, indicating extensive gene duplication in the evolution of S. bicolor NBS genes. Analysis of the S. bicolor NBS phylogenetic tree revealed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bioinformatics; Disease resistance gene; Nucleotide binding site; Sorghum bicolor. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000200016 |
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| Simon, Szilvia. |
| Napjainkban a világgazdaság egyik legfontosabb megoldásra váró problémája, hogy hogyan előzhető meg újabb globális pénzügyi és gazdasági válságok kialakulása, illetve léteznek-e olyan módszerek, eszközök, amelyek segítségével a már kialakult válságok hatásai, következményei mérsékelhetők. A módszerek, eszközök részben már rendelkezésre állnak, melyek közül célszerű kiemelni a konszern számvitel módszertanát, mert segítségével elkészíthető konszolidált éves beszámolót. E konszolidált éves beszámoló ugyanis alkalmas arra, hogy a konszerntagok közötti belső kapcsolatokból adódó halmozódásokat kiszűrve előmozdítsa a vállalatcsoportok reális megítélését. Segítségével elkerülhetővé válhat a – válság kialakulásában nagymértékben szerepet játszó – jogi, pénzügyi... |
| Tipo: Journal Article |
Palavras-chave: Globális pénzügyi válság; Élelmiszer-gazdaság; Konszolidáció; Anyavállalatok; Global economic crisis; Food economy; Consolidation; Parent companies; Financial Economics; Political Economy. |
| Ano: 2010 |
URL: http://purl.umn.edu/99176 |
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| Szucs, Robert Sandor. |
| Afiatalkorúak célcsoportja a piac leginkább befolyásolható szegmensét jelenti. Kutatásaink szerint a fiatalok fele nem fordít különösebb figyelmet az egészséges táplálkozásra, s a fiataloknak csupán egyharmada érti az élelmiszercímke jelöléseit. Súlyosbítja a helyzetet, hogy magas zsír-, só-, cukortartalmú élelmiszereket (például gyorséttermi láncok termékei, kóla, chips) népszerűsítenek. Ahazai élelmiszercímke-szabályozásban mindenképpen célszerű figyelembe venni más országok gyakorlatát, különös tekintettel az Egyesült Államok élelmiszercímkéire, valamint a Magyar Nemzeti Szívalapítvány elképzeléseire. Az elmaradás eredménye a 20%-ban túlsúlyos, egészségügyi problémákkal küzdő fiatal nemzedék!... |
| Tipo: Journal Article |
Palavras-chave: Élelmiszercímke; Gyermek- és fiatalkori elhízás; Magas zsír-; Só-; Cukortartalmú élelmiszer; Fogyasztóvédelem; Food label; Child and youth obesity; Foods with high fat; Salt and sugar content; Consumer protection; Food Consumption/Nutrition/Food Safety; Food Security and Poverty. |
| Ano: 2010 |
URL: http://purl.umn.edu/99197 |
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| Hodossi, Sandor; Dudas, Laszlo; Fari, Miklos Gabor. |
| Az éghajlatváltozás hatásai a minőségi termelés követelményei, a rentábilis termelés igénye, a termeléstechnológiai elemek megújításának, korszerűsítésének szükségessége egyaránt sürgetik a fenti követelményeket szem előtt tartó, annak megfelelni akaró módszert, a szabadföldi intenzív termelést, melynek legfontosabb elemei: az időszakos talaj-, növény- és légtértakarás, a víztakarékos öntözési módok alkalmazása és a retardált műtrágya használata. Az időszakos talaj-, növény- és légtértakarással a szedési időszak meghosszabbítható, és egyúttal javítható a talaj vízgazdálkodása, valamint visszaszorítható a gyomosodás. A mikroöntözés alkalmazásával, azonos vízmennyiséggel kétszer akkora terület öntözhető. Retardált (fékezett lebomlású) műtrágyák... |
| Tipo: Journal Article |
Palavras-chave: Zöldségtermelés; Feldolgozóipar; Speciális készítmények; Tájtermelés; Intenzív termesztés; Vegetable production; Territory; Assortment; Canning industry; Special products; Growing regions; Intensity; Crop Production/Industries; Farm Management. |
| Ano: 2010 |
URL: http://purl.umn.edu/99199 |
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| Collins, Lewis G. |
| Antarctic sea-ice is a critical component of the climate system, an enhancer of glacial climate and, as recently hypothesised by modelling studies, a potential driver of the millennial scale climate variability that dominated the last glacial cycle (LGC). Unfortunately a severe lack of glacial sea-ice records from the Southern Ocean has so far prevented the testing of this hypothesis with field data. In this thesis, I present detailed reconstructions of Antarctic sea-ice and ocean conditions derived from diatom assemblages and the first application of highly branched isoprenoid biomarkers to glacial sediments. These sea-ice sensitive proxies were measured in high-resolution, glacial sediment cores from the Scotia Sea (Southwest Atlantic, West Antarctica)... |
| Tipo: Text |
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| Ano: 2010 |
URL: https://archimer.ifremer.fr/doc/00494/60584/64066.pdf |
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| Cochennec-laureau, Nathalie; Montagnani, Caroline; Saulnier, Denis; Fougerouse, Angelique; Levy, Peva; Lo, Cedrik. |
| Pearl oyster grafting is a complex surgical operation that should lead to pearl formation after approximately eighteen months. Although this technique has been used for many years in French Polynesia, the grafting process is still not standardised. While studies have been carried out in order to improve graft performance and yield, these remain highly variable due to post-grafting mortality, nucleus rejection and unreliable pearl quality, all of which constrain pearl farm profitability. The present study uses histological analysis to monitor oysters that either rejected or retained their nuclei. Both groups of oysters are compared in terms of evolution of the graft, which could influence retention, and the development of a pearl sac in cases where grafting... |
| Tipo: Text |
Palavras-chave: Grafting process; Pearl formation; Pearl oyster; Pteriidae; Pinctada margaritifera. |
| Ano: 2010 |
URL: http://archimer.ifremer.fr/doc/00002/11288/7823.pdf |
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| Grosjean, Pauline. |
| Using historical data on early settlers to the United States, this paper tests and confirms the “Culture of Honor” hypothesis by socio-psychologists Dov Cohen and Richard Nisbett (1994, 1996). This hypothesis argues that the high prevalence of homicides in the US South stems from the fact that it was a frontier region settled by people whose economy was based on herding: the Scotch-Irish. Herding societies develop cultures of honors for reasons having to do with their precariousness: violence is a necessary condition to preserve a reputation for toughness and deter animal theft. Using historical census data on waves of settlers from Europe and relating contemporaneous violence to early Scotch-Irish settlers, this paper provides a test of the link between... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Culture of honor; US South; Labor and Human Capital; K4; Z; Z13. |
| Ano: 2010 |
URL: http://purl.umn.edu/90902 |
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| Registros recuperados: 18.180 | |
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