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  • 1
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    The cost of energy efficiency (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-08-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, P M -- New York, N.Y. -- Science. 1993 Aug 20;261(5124):970-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17739599" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Sexual conflict via maternal-effect genes in ZW species (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-04-08
    Description: In female heterogamous (ZW) species, sex-linked genes coding for maternal products that are packaged into the egg open a unique arena for genetic conflict that does not occur in male heterogamous (XY) species. Z-linked maternal-effect alleles that help sons and harm daughters are expected to go to fixation, as are W-linked alleles that help daughters and harm sons. This conflict differs from known cases of meiotic drive, because sex-specific ontogeny, physiology, and gene expression greatly simplify the genetic interactions that lead to sexual conflict. Selection on maternal-effect genes may substantially alter the evolution of ZW compared with XY systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, Paige M -- Gavrilets, Sergey -- Rice, William R -- GM56693/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2006 Apr 7;312(5770):73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, USA. pmiller@lifesci.ucsb.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16601185" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Animals ; *Biological Evolution ; Female ; *Genes ; Male ; Mathematics ; *Selection, Genetic ; Sex Chromosomes/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Alcoholism studies (1983)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1983-05-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barlow, D H -- Bellack, A S -- Buchwald, A M -- Garfield, S L -- Hartmann, D P -- Herman, C P -- Hersen, M -- Miller, P M -- Rachman, S -- Wolpe, J -- New York, N.Y. -- Science. 1983 May 6;220(4597):554, 556.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6836301" target="_blank"〉PubMed〈/a〉
    Keywords: Alcoholism/*therapy ; *Behavioral Research ; Canada ; *Editorial Policies ; *Ethics, Medical ; Humans ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Amphibian recovery despite ongoing stressors [Ecology] (2016)
    National Academy of Sciences
    Details
    Publication Date: 2016-10-19
    Description: Amphibians are one of the most threatened animal groups, with 32% of species at risk for extinction. Given this imperiled status, is the disappearance of a large fraction of the Earth’s amphibians inevitable, or are some declining species more resilient than is generally assumed? We address this question in a...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 5
    Electronic Resource
    Electronic Resource
    Efficiency of Infective Propagules of Rhizoctonio solani in reducing Vigour of Strawberry Plants (1963)
    [s.l.] : Nature Publishing Group
    Nature 197 (1963), S. 719-720 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] On May 2, 1961, four different soil treatments were disked into the upper 3-5 in. of 7 x 10 ft. plots. The treatments, plus untreated control plots, were replicated four times. Six days later, Midway variety strawberry plants, naturally infested with R. solani, were set out. There were ten plants ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/197719a0
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Prescribed Fire and the Response of Woody Species in Willamette Valley Wetland Prairies (1998)
    Cambridge, MA, USA : Blackwell Science Inc
    Restoration ecology 6 (1998), S. 0 
    Details
    ISSN: 1526-100X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A single fall-season prescribed burn and two consecutive fall-season prescribed burns were conducted in 1988 and 1989 to quantify the effects of fire intensity and frequency on woody species in two Willamette Valley wet prairies. Fuel biomass, fuel properties, fire behavior, biomass consumption, and changes in woody species density and height were documented before and after the burns. Before burning, Rosa nutkana (Nootka rose) was the most abundant woody species at both sites. In 1988, burns were significantly more intense, produced more heat per unit area at Fisher Butte than at Rose Prairie, and were fairly complete, with 37% and 35% woody biomass consumption, respectively. In 1989, burns were spotty; only 11% of woody biomass was consumed at Fisher Butte. The one-burn treatment did not affect R. nutkana density in 1 × 15 m transects at either site; the two-burn treatment significantly increased its density in three of the five communities sampled. Burning significantly reduced height growth by eliminating taller individuals while stimulating sprouts from belowground tissues. Redistribution of R. nutkana and trees into shorter height classes indicates the possibility of reducing the visual dominance of woody species if periodic burns were conducted in native Willamette Valley prairie. The low-intensity burns in this study were sufficient to remove the woody shoots under 3 m tall but did not reduce their capacity to regenerate and did not reduce the density of woody species. After decades of fire suppression, two burns were not sufficient to reestablish the desired balance between native herbaceous and woody species or to reduce the presence of introduced woody species. A long-term commitment to the reintroduction of fire as a management tool will be required to maintain native wetland prairies in the Willamette Valley.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1526-100X.1998.06311.x
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  • 7
    Electronic Resource
    Electronic Resource
    Seasonal progression of plant water relations in fynbos in the western Cape Province, South Africa (1983)
    Springer
    Oecologia 56 (1983), S. 392-396 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Plant xylem pressure potentials and leaf conductances to water loss were measured in the spring and summer at two sites in the western Cape Province, Republic of South Africa. The measurements were to test the hypothesis that the fynbos of South Africa was equivalent to the chaparral of California, therefore a period of plant water stress, similar to the period measured in chaparral species, should occur in flynbos species during the dry summer. The measurements indicated little or no plant water stress in most fynbos species at both sites. The sites were similar in plant water relations in spite of a more than twofold difference in annual precipitation. The minor differences in plant water relations can be explained in terms of different vegetation cover and different vapor pressure deficits during the measurements. The results support the conclusion that the arid fynbos may be equivalent to chaparral, but the majority of the fynbos is equivalent to coniferous and broad-leaved evergreen forest in California.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00379718
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  • 8
    Electronic Resource
    Electronic Resource
    Interaction of plastic mulch, pesticides and fungi in the control of soil-borne nematodes (1963)
    Springer
    Plant and soil 18 (1963), S. 45-52 
    Details
    ISSN: 1573-5036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Three different mulching materials — hay, black polyethylene film, and translucent polyethylene film — produced different soil temperatures and thus influenced the microflora of the soil differently.Rhizoctonia solani Kuehn increased in cool or moderate temperatures under hay or black film but not in warmer soil beneath translucent film. Populations of a meadow nematode,Pratylenchus penetrans Cobb were reduced approximately two-thirds under the black film. Under this film conditions apparently favor biological control ofP. penetrans. Over several months this control was destroyed if a fungicide, pentachloronitrobenzene, and a nematocide, dibromochloropropane, were added. Evidently, the fungicide inhibited organisms predaceous onP. penetrans at the same time it inhibitedR. solani.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01391679
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  • 9
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    Patterns of translocation of carbon in four common moss species in a black spruce (Piceamariana) dominated forest in interior Alaska (1983)
    Canadian Science Publishing
    Details
    Publication Date: 1983-10-01
    Description: The patterns of translocation of carbon in different-age tissues of four common moss species in a black spruce (Piceamariana (Mill.) B.S.P.) dominated forest near Fairbanks, Alaska, were studied by 14C labelling and carbohydrate analysis. A simple, in-vial combustion technique was developed for combustion of small (
    Print ISSN: 0045-5067
    Electronic ISSN: 1208-6037
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Canadian Science Publishing
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  • 10
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    Combining Genome-Wide Methods to Investigate the Genetic Complexity of Courtship Song Variation in Drosophila melanogaster (2013)
    Oxford University Press
    Details
    Publication Date: 2013-08-22
    Description: Little is currently known about the genetic complexity of quantitative behavioral variation, the types of genes involved, or their effects on intermediate phenotypes. Here, we conduct a genome-wide association study of Drosophila melanogaster courtship song variation using 168 sequenced inbred lines, and fail to find highly significant associations. However, by combining these data with results from a well-powered Evolve and Resequence (E&R) study on the same trait, we provide statistical evidence that some power to associate genotype and phenotype is available. Genes that are significant in both analyses are enriched for expression in the nervous system, and affect neural development and synaptic growth when perturbed. Quantitative complementation at one of these loci, Syntrophin-like 1 , supports a hypothesis that variation at this locus affects variation in the inter-pulse interval of courtship song. These results suggest that experimental evolution may provide an approach for genome-scale replication in Drosophila .
    Print ISSN: 0737-4038
    Electronic ISSN: 1537-1719
    Topics: Biology
    Published by Oxford University Press
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