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  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Biodiversity -- Europe. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (479 pages)
    Edition: 1st ed.
    ISBN: 9783642189678
    Series Statement: Ecological Studies ; v.167
    DDC: 577.5/3/094
    Language: English
    Note: Intro -- Preface -- Contents -- Contributors -- References -- Subject Index.
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  • 2
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Forest biodiversity -- Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (410 pages)
    Edition: 1st ed.
    ISBN: 9783540265993
    Series Statement: Ecological Studies ; v.176
    DDC: RGM
    Language: English
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  • 3
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Biotic communities-Arctic regions-Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (337 pages)
    Edition: 1st ed.
    ISBN: 9783642789663
    Series Statement: Ecological Studies ; v.113
    Language: English
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  • 4
    Keywords: Energy conservation-Germany. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (186 pages)
    Edition: 1st ed.
    ISBN: 9783736905191
    DDC: 333.79094300000003
    Language: German
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  • 5
    Online Resource
    Online Resource
    Cham :Springer International Publishing AG,
    Keywords: Plant Ecology. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (183 pages)
    Edition: 1st ed.
    ISBN: 9783319557779
    Series Statement: Geobotany Studies
    Language: English
    Note: Intro -- Foreword -- Contents -- 1: A Geostatistical and Bioclimatological Comparison of the Central Great Caucasus and the Central Alps -- 1.1 Introduction -- 1.1.1 The Elevation Structure of the Great Caucasus and the Alps -- 1.1.2 A Bioclimatic Stratification of the Caucasus and the Alps -- 1.1.3 The Treeline Climate -- 1.1.3.1 Alpine Temperatures in the Great Caucasus in the Context of a Europe Wide Comparison -- 2: Vegetation of the Central Great Caucasus Along W-E and N-S Transects -- 2.1 Svaneti and Racha-Lechkhumi Regions -- 2.2 Kazbegi Region -- 3: Plant Diversity of the Central Great Caucasus -- 3.1 Flora and Vegetation of the Different Elevation Belts -- 3.1.1 History of Flora and Vegetation -- 3.1.2 Floristic Overview and General Scheme of Vegetation Belts -- 3.1.3 Mid Montane (1500-1750 m a.s.l.) and Upper Montane (1750-1900 m a.s.l.) Belts -- 3.1.4 Subalpine Belt (1900-2500 m a.s.l.) -- 3.1.4.1 Subalpine Woodland and Shrubland -- 3.1.4.2 Subalpine Tall Herbaceous Vegetation -- 3.1.4.3 Non-tussock Grasslands -- 3.1.4.4 Tussock Grasslands -- Box 3.1 Erosion Controls Plant Species Diversity on Steep Mountain Slope in the Sno Valley (Kazbegi Region, the Central Great ... -- 3.1.4.5 Forb and Grass-Forb Communities -- 3.1.4.6 Tragacanthic Vegetation -- 3.1.4.7 Montane-Subalpine Rock and Scree Vegetation -- 3.1.4.8 Ephemeroid Species in Various Plant Communities -- 3.1.4.9 Subalpine Plant Phenorhythm-Types -- 3.1.5 Alpine Belt (2500-3000 m a.s.l.) -- 3.1.5.1 Alpine Grasslands -- 3.1.5.2 Alpine Snowbed Carpet-like Vegetation -- 3.1.5.3 Alpine Dwarf Shrub Heaths -- 3.1.5.4 Alpine Rock and Scree Vegetation -- 3.1.6 Subnival (3000-3800 m a.s.l.) and Nival (3800 m a.s.l.) Belts -- 3.1.6.1 Subnival Plants and Plant Micro-communities -- 3.1.6.2 Plants Ascending to the Snowline -- 3.1.6.3 Subnival Life Forms and Morphological Adaptations. , 3.1.6.4 Subnival Plant Phenorhythm-Types -- 3.1.6.5 Spectrum of Adaptive Traits of Plants Close to the Upper Distribution Limits -- 3.1.7 Wetland Vegetation -- 3.1.8 Summary of Plant Community Diversity in the Kazbegi Region (the Central Great Caucasus) -- 3.2 A Comparative Analysis of the High Mountain Vegetation of the Caucasus and the Alps -- 4: Quantitative Analysis of the Phytosociological Relevés from the Central Greater Caucasus -- 5: A Comparison of Climatic Niches of the Same Alpine Plant Species in the Central Caucasus and the Alps -- 5.1 Introduction -- 5.2 Methods -- 5.2.1 Vegetation Datasets -- 5.2.2 Climate Dataset -- 5.2.3 Quantifying Differences of Probability of Occurrence Along Environmental Gradients -- 5.2.4 Transferability of Predictive Models from the Alps to the Caucasus -- 5.3 Results -- 5.3.1 Quantifying Differences of Probability of Occurrence Along Environmental Gradients -- 5.4 Transferability of Predictive Models from the Alps to the Caucasus -- 5.5 Discussion -- 5.6 Conclusions -- 6: New Indicator Values for Central Caucasus Flora -- 6.1 Introduction -- 6.2 Definition Indicator Values -- 6.3 Extension of Central Europe Indictor Values to the Caucasus -- 6.4 Comparison of a Subset of Alpine Plants Occurring in the Alps and the Caucasus -- Annex -- Erratum to: Quantitative Analysis of the Phytosociological Relevés from the Central Greater Caucasus -- References.
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  • 6
    Keywords: Life sciences ; Plant ecology ; Life Sciences
    Description / Table of Contents: This book presents the first assessment of the high-elevation flora of the Central Caucasus with a community ecology emphasis. Following a geostatistical-climatological description of the region (in comparison to the European Alps), it describes the montane, alpine and nival plant assemblages on the basis of an ecological approach that combines moisture, soils and local habitat peculiarities. Highlights include the famous giant herb communities in treeless parts of the upper montane belt, the various facets of alpine turf, and the unique assemblages and settings in the nival region. Further chapters address potential niche conservation between the Caucasus and the Alps, as well as a compilation of plant species habitat preferences (indicator values) that applies to a concept developed for the Alps. Richly illustrated and featuring extensive quantitative data on species abundance, the book offers a unique guide to the plant species diversity of this prominent mountain range, and a valuable resource for comparative ecology and biodiversity assessments of warm temperate mountain systems
    Type of Medium: Online Resource
    Pages: Online-Ressource (VII, 170 p. 19 illus., 7 illus. in color, online resource)
    ISBN: 9783319557779
    Series Statement: Geobotany Studies, Basics, Methods and Case Studies
    Language: English
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  • 7
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (7 Seiten, 1,05 MB) , Diagramme
    Language: German
    Note: Förderkennzeichen BMBF 03INT1509 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden
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  • 8
    Online Resource
    Online Resource
    Frankfurt am Main : MVB Marketing- und Verlagsservice des Buchhandels GmbH
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: Online-Ressource (PDF-Datei: 9 S., 351 KB)
    Edition: Version: 1.0
    Language: German
    Note: Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Förderkennzeichen BMBF 01IS10054C. - Verbund-Nr. 01089265 , Systemvoraussetzungen: Acrobat reader. , Zsfassungen in dt. u. engl. Sprache
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Global change biology 8 (2002), S. 0 
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Climbing plants have profound influences on tropical forest dynamics and may take particular advantage from atmospheric CO2 enrichment, thus potentially enhancing tree turnover. Here we test the effect of a four-step CO2-enrichment on growth of three typical Yucatan (Mexico) climbers, across two low photon flux densities, representing typical understory situations. In pairs of two, species of Gonolobus (Asclepiadaceae), Ceratophytum (Bignoniaceae) and Thinouia (Sapindaceae) were grown on Yucatan forest soil in growth cabinets, which simulated the diurnal climate variation. Biomass increased non-linearly in response to CO2 enrichment from 280 (preindustrial) to 420 ppm and 560 ppm, but then (700 ppm) leveled off. The relative effect of CO2-enrichment between the two lower (280–420 ppm) CO2 concentrations was 63% at low light (LL == 42 µmol m2−2 s2−1), compared to 37% at high light (HL = 87 µmol m2−2 s2−1). This overall response of species pairs was the combined effect of linear and non-linear responses of the individual species across CO2 treatments. Plant biomass was 61% larger in HL compared to LL. The species-specific response depended on the neighbor, a species grew with h, irrespective of plant size. Stem length increased, but not consistently across species and light conditions. Specific stem length (SSL, length per dry mass) declined non-linearly in all three species as CO2 concentration increased (more pronounced at LL than at HL). SLA (leaf area per unit leaf dry mass) became lower as CO2 concentration increased (more pronounced in HL). Enhanced vigor of climbers under elevated CO2 as documented here may accelerate tropical forest dynamics and lead to greater abundance of early succesional tree species. This could reduce forest carbon stocking in the long run.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Global change biology 3 (1997), S. 0 
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Rising concentrations of atmospheric carbon dioxide have been predicted to stimulate the growth of forest trees. However, long-term effects on trees growing to maturity and to canopy closure while exposed to elevated CO2 have never been examined. We compared tree ring chronologies of Mediterranean Quercus ilex which have been continuously exposed to elevated CO2 (around 650 μmol mol–1) since they were seedlings, near two separate natural CO2 springs with those from trees at nearby ambient-CO2‘control’ sites. Trees grown under high CO2 for 30 years (1964–93) showed a 12% greater final radial stem width than those growing at the ambient-CO2 control sites. However, this stimulation was largely due to responses when trees were young. By the time trees were 25–30 y old the annual difference in tree ring width between low and high CO2 grown trees had disappeared. At any given tree age, elevated CO2 had a relatively greater positive effect on tree ring width in years with a dry spring compared to years with more rainfall between April and May. This indicates a beneficial effect of elevated CO2 on tree water relations under drought stress. Our data suggest that the early regeneration phase of forest stands can be accelerated in CO2-enriched atmospheres and that maximum biomass per land area may be reached sooner than under lower CO2 concentrations. In our study, high CO2 grown Q. ilex trees reached the same stem basal area at the age of 26 y as control trees at 29 y, i.e. three years earlier (faster turnover of carbon?). Reliable predictions of the future development of forests need to account for the variable responses of trees over their entire lifetime. Such responses to elevated CO2 can presently only be assessed at such unique field sites.
    Type of Medium: Electronic Resource
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