ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • Nature Publishing Group  (3,792)
  • 1990-1994  (3,792)
  • 1955-1959
  • 1993  (3,792)
  • 1
    facet.materialart.
    Unknown
    Activity levels of Nautilus in the wild (1993)
    Nature Publishing Group
    In:  Nature, 362 (6421). pp. 626-628.
    Details
    Publication Date: 2019-02-07
    Description: WHILE ammonites and all other ectocochleate cephalopods became extinct, nautiloids survived relatively unchanged from the Ordovician, suggesting that they are unusually well adapted to their niche. Here we obtain high-resolution tracks of Nautilus positions and depths, combined with telemetered jet pressures, which clarify both its lifestyle and economics. Nautilus is more active in nature than in captivity1, but its energy costs are lower than projected2,3. Viewing Nautilus as 'vertic', rather than benthic, resolves this contradiction. Records show that the cost of transport is the same in any direction within a vertical plane. Living on a reef face swept by a lateral current means that vertical movements4,5 sample large areas for chemical trails. A detected trail can be followed upcurrent in the slow-moving boundary layer, but no effort is wasted on horizontal movement without good prospects for food; long-range movements are downcurrent and made by drifting. Once fed, a Nautilus can reduce its energy costs by moving to deeper, cooler waters, where a single meal can last for months.
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OCEANREP)
  • 2
    facet.materialart.
    Unknown
    Which home for coelacanth? (1993)
    Nature Publishing Group
    In:  Nature, 363 (6428). p. 405.
    Details
    Publication Date: 2017-08-03
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OCEANREP)
  • 3
    facet.materialart.
    Unknown
    Carbon dioxide limitation of marine phytoplankton growth rates. (1993)
    Nature Publishing Group
    In:  Nature, 361 . pp. 249-251.
    Details
    Publication Date: 2017-02-24
    Description: THE supply of dissolved inorganic carbon (DIC) is not considered to limit oceanic primary productivity1, as its concentration in sea water exceeds that of other plant macronutrients such as nitrate and phosphate by two and three orders of magnitude, respectively. But the bulk of oceanic new production2 and a major fraction of vertical carbon flux is mediated by a few diatom genera whose ability to use DIG components other than CO2, which comprises 〈 1% of total DIC3, is unknown4. Here we show that under optimal light and nutrient conditions, diatom growth rate can in fact be limited by the supply of CO2. The doubling in surface water pCO2 levels since the last glaciation from 180 to 355 p.p.m.5,6 could therefore have stimulated marine productivity, thereby increasing oceanic carbon sequestration by the biological pump.
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OCEANREP)
  • 4
    facet.materialart.
    Unknown
    Nitrate respiration in the hydrothermal vent tubeworm Riftia pachyptila (1993)
    Nature Publishing Group
    In:  Nature, 366 (6453). pp. 338-340.
    Details
    Publication Date: 2015-08-31
    Description: THE vestimentiferan tubeworm Riftia pachyptila is found around hydrothermal vent areas in the deep sea. Intracellular bacterial chemoautotrophic symbionts use the oxidation of sulphide from the effluent of the vents as an energy source for CO2 fixation. They apparently provide most or all of the nutritional requirements for their gutless hosts1–5. This kind of symbiosis has since been found in many other species from various other phyla from other habitats6–9. Here we present results that the bacteria of R. pachyptila may cover a significant fraction of their respiratory needs by the use of nitrate in addition to oxygen. Nitrate is reduced to nitrite, which may be the end product (nitrate respiration)10 or it may be further reduced to nitrogen gas (denitrification)11. This metabolic trait may have an important role in the colonization of hypoxic habitats in general by animals with this kind of symbiosis.
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OCEANREP)
  • 5
    Electronic Resource
    Electronic Resource
    Congress sees instability in Russia as threat to space station deal (1993)
    [s.l.] : Nature Publishing Group
    Nature 366 (1993), S. 712-712 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington. Congressional supporters of the space station being planned by the National Aeronautics and Space Administration (NASA) are becoming increasingly alarmed that, having become reliant on full Russian participation, the station could quickly fall victim to political instability in Russia ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/366712a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Reprocessing plant gets green light (1993)
    [s.l.] : Nature Publishing Group
    Nature 366 (1993), S. 713-713 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] London. Almost two-thirds of those who replied to the British government's request for comments about Thorp - the thermal oxide reprocessing plant built by British Nuclear Fuels (BNFL) at Sellafleld - said that they were opposed the plant's operation. The most popular arguments against starting up ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/366713b0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    Physics in brief (1993)
    [s.l.] : Nature Publishing Group
    Nature 366 (1993), S. 724-724 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN only a little more than 200 pages and with only an occasional equation, Roger Newton talks engagingly to his readers about Laplacian determinism, vectors, logarithms, differential calculus, time's arrow, Carnot cycles, thermodynamics, entropy, light, relativity, quantum theory, gauge fields ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/366724a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Development of obesity in transgenic mice after genetic ablation of brown adipose tissue (1993)
    [s.l.] : Nature Publishing Group
    Nature 366 (1993), S. 740-742 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Regulatory elements of the gene for the uncoupling protein (UCP), a specific protein marker for brown adipose tissue (BAT)2'9, were used to drive expression of diphtheria toxin A-chain (UCP-DTA) or an attenuated mutant (UCP-176) (Fig. \d). Two lines of mice were created, UCP-DTA and UCP-176, both ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/366740a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    Decriminalizing drugs? (1993)
    [s.l.] : Nature Publishing Group
    Nature 366 (1993), S. 598-598 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] JOYCELYN Elders, the Surgeon-General of the United States, last week gave new life to a long-standing argument about the criminal sanctions applied to drug abuse when she said, in off-the-cuff remarks, that "I do feel that we would markedly reduce our crime rate if drugs were legalized." The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/366598a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    Fusion experiments give lift to future funding prospects (1993)
    [s.l.] : Nature Publishing Group
    Nature 366 (1993), S. 600-600 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Washington. Physicists at the University of Princeton are this week starting to analyse data from a series of record-breaking experiments which they hope will help to establish the commercial potential of nuclear fusion. The experiments were carried out at the Princeton University Plasma Physics ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/366600a0
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...