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  • 1
    Electronic Resource
    Electronic Resource
    Control of Legumes in a Species-Rich Meadow Re-created on Land Restored after Opencast Coal Mining (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Restoration ecology 4 (1996), S. 0 
    Details
    ISSN: 1526-100X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Aggressive growth by legumes may restrict the diversity of species-rich meadows recreated on sites restored after mineral extraction. We investigated the ability of mineral nitrogen (N) applications and spring grazing to control the legume component of such meadows. The use of N suppressed Trifolium repens but had no effect on other legume species or on the species richness, diversity, or equitability of the meadow community. Spring grazing significantly reduced the yield from the legume component of the meadow. This was accompanied by an increase in the equitability index of the community, suggesting that the aggressive nature of the legumes had been checked. Spring grazing may therefore provide a means of controlling aggressive legume growth and may maintain the diversity of species-rich meadows established on restored sites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1526-100X.1996.tb00193.x
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  • 2
    Electronic Resource
    Electronic Resource
    Can Basic Individual Differences Shed Light on the Construct Meaning of Assessment Center Evaluations? (2003)
    Oxford, UK and Boston, USA : Blackwell Publishing Ltd
    International journal of selection and assessment 11 (2003), S. 0 
    Details
    ISSN: 1468-2389
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: The construct meaning of assessment center evaluations is an important unresolved issue in I/O psychology. This study hypothesized that Cognitive Ability and personality traits are primary correlates of evaluators’ overall assessment ratings (OARs). Meta–analysis results based on 65 correlations indicate the following mean construct–level correlations with OARs: .67 for Cognitive Ability, .50 for Extraversion, .35 for Emotional Stability, .25 for Openness, and .17 for Agreeableness; yielding a multiple R of .84. These findings support our hypothesis and cast light on the construct meaning of assessment center evaluations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1468-2389.00223
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  • 3
    Electronic Resource
    Electronic Resource
    MULTIPLE MOLECULAR FORMS OF XANTHINE DEHYDROGENASE AND RELATED ENZYMES (1968)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 151 (1968), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1968.tb11895.x
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  • 4
    Electronic Resource
    Electronic Resource
    Endocrine, osmoregulatory, respiratory and haematological parameters in flounder exposed to the water soluble fraction of crude oil (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 49 (1996), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Flounders Pleuronectes flesus with an implanted vascular catheter were exposed to a 50% dilution of the water soluble fraction (WSF) of Omani crude oil (c. 6ppm total aromatic hydrocarbons) and serial blood samples taken to determine their endocrine status (cortisol, catecholamines and thyroid hormones) and the resultant and/or causal physiological (haematological, ionoregulatory and respiratory) disturbances. This resulted in a progressive increase in plasma cortisol concentrations from 3 h onwards (rising from 18 to 51 ng ml−1 after 48-h exposure), and increased plasma glucose concentrations indicating a generalized stress response. Plasma T3 and T4 concentrations of both control and WSF-exposed groups declined progressively over the experimental period; exposure to the WSF of crude oil further depressed plasma T4 concentrations but not plasma T3 concentrations relative to those of control fish. Plasma osmolality and sodium and chloride concentrations were stable in WSF-exposed fish, however, plasma potassium concentrations were increased significantly at the 24-and 48-h sampling points. The most profound physiological disturbance in WSF-exposed fish was a dramatic decline in blood oxygen content (CvO2) (from 2–8 to 0–8 ml 100 ml−1 after 48-h exposure), which is likely to be the cause of the increased plasma noradrenaline concentrations from 3 h onwards. Increased noradrenaline is likely in turn to have been responsible for the significant increase in blood haematocrit and blood haemoglobin at the 3-h sampling point, although the dominant effect in the longer-term was a significant decline in both of these haematological parameters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1996.tb01796.x
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  • 5
    Electronic Resource
    Electronic Resource
    Salinity resistance in Zea mays: fluxes of potassium, sodium and chloride, cytoplasmic concentrations and microsomal membrane lipids (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 12 (1989), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Cytoplasmic concentrations, fluxes of K+, Na+ and Cl and microsomal membrane lipids were investigated in a salt-sensitive and salt-resistant variety of Zea mays. The salt resistance of Protador relative to LGH (salt-sensitive) appears to be related to higher K+ fluxes and cytoplasmic concentrations, and lower Na+ and Cl fluxes and cytoplasmic concentrations, when grown in NaCl. There were no apparent differences in the simple chemical composition of root microsomal membrane lipids between the two varicties, neither were these affected by salt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1989.tb01635.x
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  • 6
    Electronic Resource
    Electronic Resource
    The Ephemeroptera of the River Bela, Westmorland (1971)
    Oxford, UK : Blackwell Publishing Ltd
    Freshwater biology 1 (1971), S. 0 
    Details
    ISSN: 1365-2427
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Though larger and more calcareous than a Lake District Beck, the River Bela now harbours a similar community of Ephemeroptera. Three species characteristic of small rivers were not recorded after the sides had been straightened and cleared of emergent vegetation and the bottom had been levelled.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2427.1971.tb01571.x
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  • 7
    Electronic Resource
    Electronic Resource
    Reassortment of DNA recognition domains and the evolution of new specificities (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Molecular microbiology 1 (1987), S. 0 
    Details
    ISSN: 1365-2958
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Type I restriction enzymes comprise three subunits only one of which, the S polypeptide, dictates the specificity of the DNA sequence recognized. Recombination between two different hsdS genes, SP and SB, led to the isolation of a system, SQ, which had a different specificity from that of either parent. The finding that the nucleotide sequence recognized by SQ is a hybrid containing components from both the SP and SB target sequences suggested that DNA recognition is carried out by two separable domains within each specificity polypeptide. To test this we have made the recombinant gene of reciprocal structure and demonstrate that it encodes a polypeptide whose recognition sequence, deduced In vivo, is as predicted by this model. We also report the sequence of the SB specificity gene, so that information is now available for the five known members of this family of enzymes. Ali show a similar organization of conserved and variable regions. Comparisons of the predicted amino acid sequences reveal large non-conserved areas which may not even be structurally similar. This is remarkable since these different S subunits are functionally identical, except for the specificity with respect to the DNA sequence with which they interact. We discuss the correlation of the variation in polypeptide sequence with recognition specificities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2958.1987.tb00521.x
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  • 8
    Electronic Resource
    Electronic Resource
    Sugar and Soluble Solids Changes in Refrigerated Sweet Corn (Zea mays L) (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 57 (1992), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Three sweet corn (Zea mays L) genotypes, one cultivar each, were tested for sugar and soluble solids changes at 6°C for 5 days. Genotypes and cultivars were sugary (su), ‘Silver Queen’; sugary enhanced (se), ‘Incredible’ and super sweet (sh 2), ‘How Sweet It Is.’ Fructose, glucose, sucrose, maltose, total sugars and °Brix were measured. Sucrose predominated. Generally, °Brix, fructose, glucose and sucrose decreased and maltose increased, sh 2 had lowest °Brix and highest sucrose and total sugars, and su had highest °Brix and lowest sucrose and total sugars, su consisted of 3.8% total sugars (DWB); se, 7.2% and sh 2, 10.9%. Overall correlation coefficient between °Brix and total sugars was −0.99.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1992.tb05515.x
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  • 9
    Electronic Resource
    Electronic Resource
    Physical, Chemical, Sensory and Microbiological Attributes of Sweet Potato Leather (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 52 (1987), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A “vegetable leather,” possessing a supple, leathery texture, was prepared with sweet potato (SP) and other ingredients. Samples were analyzed at 0, 30, and 60 days storage. Texture, but not flavor or acceptance, was affected by experimental factors. Ingredients had only minor effects on composition. Mean values were: moisture, 5.9%; crude protein, 5.8%; crude fat, 4.9%; ash, 2.7%; crude fiber, 2.2%; and nitrogen-free extract, 84.8%. Dietary fiber was 4.1%. Color of the leather was orange; pH was 4.8; annd caloric content was 17.3 kJ per g. Water activity ranged from 0.48 for leather with SP and apple to 0.58 for leather with SP and without apple. Microbiological counts of samples were low.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1987.tb06693.x
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  • 10
    Electronic Resource
    Electronic Resource
    Walleye Pollock (Theragra chalcogramma): Changes in Quality When Held in Ice, Slush-ice, Refrigerated Seawater, and CO2-Modified Refrigerated Seawater Then Stored as Blocks of Fillets at - 18°C (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 50 (1985), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Walleye pollock were held in ice, slush-ice, refrigerated seawater (RSW) and CO2-modified RSW (MRSW) for up to 8 days, filleted and stored as blocks of fillets at -18°C. Good quality fillets were obtained from pollock held for 4 days in all systems. Uptake of salt presented a problem for pollock held more than 4 days in RSW at 1°C. Flavor scores remained essentially unchanged during frozen storage but nearly all samples became slightly tougher and slightly drier at 6 months. Freshness at time of freezing did not affect frozen storage characteristics. Protein functionality was generally adversely affected when fish were held in RSW or MRSW.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1985.tb12995.x
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