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  • 1
    Book
    Book
    Boulder, Colo. : Westview Press
    Keywords: Marine ecology Congresses ; Marine pollution Congresses ; Marine productivity Congresses ; Biomass Congresses ; Konferenzschrift ; Meeresökosystem ; Biomasseproduktion
    Type of Medium: Book
    Pages: XXXVIII, 493 S , Ill
    ISBN: 0813378443 , 9780367163419
    Series Statement: AAAS selected symposia series 111
    DDC: 574.52636
    Language: English
    Note: Hier auch später erschienene, unveränderte Nachdrucke
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  • 2
    Keywords: Marine ecology Congresses ; Food chains (Ecology) Congresses ; Marine productivity Congresses ; Marine resources Congresses Management ; Marine ecosystem management Congresses ; Konferenzschrift ; Meeresökosystem
    Type of Medium: Book
    Pages: X, 320 S , graph. Darst., Kt
    ISBN: 0813383862
    DDC: 574.5309162
    Language: English
    Note: The papers in this volume were presented at a symposium ... convened during the 1989 Annual Meeting of the American Association for the Advancement of Science , Includes bibliographical references and index
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  • 3
    Publication Date: 2018-11-21
    Description: Global transportation energy use is steeply rising, mainly as a result of increasing population and economic activity. Petroleum fuels remain the dominant energy source, reflecting advantages such as high energy density, low cost, and market availability. The movement of people and freight makes a major contribution to economic development and social well-being, but it also negatively impacts climate change, air quality, health, social cohesion, and safety. Following a review published 20 years ago in the Annual Review of Environment and Resources (then named the Annual Review of Energy and the Environment) by Lee Schipper, we examine current trends and potential futures, revising several major global transport/energy reports. There are significant opportunities to slow travel growth and improve efficiency. Alternatives to petroleum exist but have different characteristics in terms of availability, cost, distribution, infrastructure, storage, and public acceptability. The transition to low-carbon equitable and sustainable transport will take time but can be fostered by numerous short- and medium-term strategies that would benefit energy security, health, productivity, and sustainability.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
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  • 4
    Publication Date: 2019-02-15
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: bookpart , doc-type:bookPart
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 184 (1989), S. 201-208 
    ISSN: 1573-5117
    Keywords: acidification ; algae ; Chrysochromulina ; Mougeotia ; photoinhibition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Blooms ofChrysochromulina breviturrita Nich. (Prymnesiophyceae) have been found to be restricted to lakes above pH 5.5 even though the alga is able to tolerate pH 4.0 in laboratory culture. A possible explanation is the increased transparency in acidifying lakes and a sensitivity ofC. breviturrita to high light intensities. A comparison was made withMougeotia sp., a filamentous green alga which co-occurs in moderately acidic lakes and has a similar pH tolerance range. This alga forms dense, floating mats or amorphous clouds in the upper littoral zone, where it would be exposed to full sunlight irradiances. In cultures ofC. breviturrita, prolonged exposures to 1600 µE · m−2 · s−1 (I0′) resulted in reductions in cell yield which were dependent age at the onset of exposure to high light intensity. Only cultures exposed to high light intensities during late stationary phase were able to recover to control levels and no recovery occurred if these cultures were nitrogen deficient.Mougeotia was more tolerant of both high light intensity and nitrogen limitation during the recovery period. The inability ofC. breviturrita to recover from the effects of high light intensity during nitrogen deprivation may be particularly important in small, stratified lakes which are undergoing acidification. The slow rate of vertical circulation, and increasing transparency, would prolong exposure of the alga to the high irradiance levels of nutrient-deficient epilimnetic waters. This suggests that the geographic distribution ofC. breviturrita may be explained in part by the increasing light intensities in lakes undergoing acidification.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Hydrobiologia 184 (1989), S. 201-208 
    ISSN: 1573-5117
    Keywords: acidification ; algae ; Chrysochromulina ; Mougeotia ; photoinhibition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Blooms ofChrysochromulina breviturrita Nich. (Prymnesiophyceae) have been found to be restricted to lakes above pH 5.5 even though the alga is able to tolerate pH 4.0 in laboratory culture. A possible explanation is the increased transparency in acidifying lakes and a sensitivity ofC. breviturrita to high light intensities. A comparison was made withMougeotia sp., a filamentous green alga which co-occurs in moderately acidic lakes and has a similar pH tolerance range. This alga forms dense, floating mats or amorphous clouds in the upper littoral zone, where it would be exposed to full sunlight irradiances. In cultures ofC. breviturrita, prolonged exposures to 1600 µE · m−2 · s−1 (I0′) resulted in reductions in cell yield which were dependent age at the onset of exposure to high light intensity. Only cultures exposed to high light intensities during late stationary phase were able to recover to control levels and no recovery occurred if these cultures were nitrogen deficient.Mougeotia was more tolerant of both high light intensity and nitrogen limitation during the recovery period. The inability ofC. breviturrita to recover from the effects of high light intensity during nitrogen deprivation may be particularly important in small, stratified lakes which are undergoing acidification. The slow rate of vertical circulation, and increasing transparency, would prolong exposure of the alga to the high irradiance levels of nutrient-deficient epilimnetic waters. This suggests that the geographic distribution ofC. breviturrita may be explained in part by the increasing light intensities in lakes undergoing acidification.
    Type of Medium: Electronic Resource
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