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  • 1
    Electronic Resource
    Electronic Resource
    Conservation biology Seeds of doubt (2000)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 407 (2000), S. 683-685 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] What is a weed to a farmer may well be a cherished wild flower to someone else, or an essential ecological component of a local flora. Hence the attempts, in response to diminishing botanical diversity, to sustain some wild plants by sowing their seeds in areas where they are under threat. But ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35037693
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  • 2
    Electronic Resource
    Electronic Resource
    Biogeography Chile refuges (2000)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 408 (2000), S. 532-533 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The past two million years have been tough for species that thrive in temperate conditions. This period, the Pleistocene epoch, has seen erratic, often rapid climatic fluctuations that have tested many species to their limits, and some beyond. The persistence of some temperate species into the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35046190
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  • 3
    Electronic Resource
    Electronic Resource
    Ecology Bats about the Arctic (2000)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 404 (2000), S. 446-447 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Why do bats fly at night rather than during the day? There are exceptions, of course, but most bats confine their activities to dusk and the depths of night. The insect-eating bats of the higher latitudes, in particular, are night-time hunters and are equipped with sophisticated techniques for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35006534
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  • 4
    Electronic Resource
    Electronic Resource
    Placement of protein and RNA structures into a 5 Å-resolution map of the 50S ribosomal subunit (1999)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 400 (1999), S. 841-847 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have calculated at 5.0 Å resolution an electron-density map of the large 50S ribosomal subunit from the bacterium Haloarcula marismortui by using phases derived from four heavy-atom derivatives, intercrystal density averaging and density-modification procedures. More than 300 base ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/23641
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  • 5
    Electronic Resource
    Electronic Resource
    Photosynthesis Stealing the limelight on the forest floor (1999)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 401 (1999), S. 541-541 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] By only opening their stomata — the pores in their leaves through which carbon dioxide enters and water leaves — at night, and thus achieving a temporary carbon dioxide fix using the enzyme phosphoenol pyruvate carboxylase, so-called CAM plants are able to minimize water loss. Not ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/44041
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  • 6
    Electronic Resource
    Electronic Resource
    Plant ecology Alien invaders (2000)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 403 (2000), S. 492-493 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There are plenty of examples of the ecological mayhem that can result from the human introduction of species into new areas. Stories of goats on Pacific islands, rabbits in Australia and rats in New Zealand are all familiar, as are the world's plant pests, from the aquatic weeds of tropical ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35000686
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  • 7
    Electronic Resource
    Electronic Resource
    Ecology Woodpecker population drills (1999)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 399 (1999), S. 528-529 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The proposal that species diversity in an ecosystem makes it more stable — that is, more resistant to perturbation — is intuitively attractive to ecologists. But this idea is not always supported by either natural or model systems. One theoretical argument in favour of the proposal is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/21078
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  • 8
    Electronic Resource
    Electronic Resource
    Ecology Nutrient consequences of salmon spread (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 396 (1998), S. 314-315 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The end of a salmon run is a pretty gloomy affair — mature fish, having expended their final resources of energy on reproduction, wearily donate what remains of their bodies to the recycling processes of the aquatic ecosystem. Ecologists, lacking sentimentality, have asked whether this input ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/24497
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  • 9
    Electronic Resource
    Electronic Resource
    Plant domestication Getting to the roots of tubers (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 395 (1998), S. 330-331 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Starch, derived from the roots of tuberous plants, is the staple dietary energy resource for the peoples of many tropical countries. These plants, such as manioc (or cassava, Manihot esculenta; Fig. 1) and sweet potato (Ipomoea batatas), are widely used, yet little is known about their ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/26364
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  • 10
    Electronic Resource
    Electronic Resource
    Desert ecology Life in the upper crust (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 393 (1998), S. 419-420 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The surfaces of deserts are not as bare as they may appear — they get their crusty nature from the dense growth of many organisms in the upper millimetre of dry soil. These organisms not only influence the behaviour of water in the soil, but they also contribute substantially to nitrogen and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/30861
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