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Comparative hydrology, water quality, and ecology of selected natural and augmented freshwater wetlands in west-central Florida (2009)

Lee, Terrie Mackin ; Haag, Kim H. ; Metz, P. A.

Washington, DC : United States Gov. Print. Off.

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Signatur: S 90.0002(1758)

In: Professional paper

Beschreibung / Inhaltsverzeichnis: Comparing altered wetlands to natural wetlands in the same region improves the ability to interpret the gradual and cumulative effects of human development on freshwater wetlands. Hydrologic differences require explicit attention because they affect nearly all wetland functions and are an overriding influence on other comparisons involving wetland water quality and ecology. This study adopts several new approaches to quantify wetland hydrologic characteristics and then describes and compares the hydrology, water quality, and ecology of 10 isolated freshwater marsh and cypress wetlands in the mantled karst landscape of central Florida. Four of the wetlands are natural, and the other six have water levels indirectly lowered by ground-water withdrawals on municipally owned well fields. For several decades, the water levels in four of these altered wetlands have been raised by adding ground water in a mitigation process called augmentation. The two wetlands left unaugmented were impaired because their water levels were lowered. Multifaceted comparisons between the altered and natural wetlands are used to examine differences between marshes and cypress wetlands and to describe the effects of augmentation practices on the wetland ecosystems.

Materialart: Schriftenreihen ausleihbar

Seiten: x, 152 S. , col. ill., col. maps ; 28 cm

ISBN: 9781411323537

Serie: U.S. Geological Survey professional paper 1758

URL: http://pubs.usgs.gov/pp/1758/

Klassifikation:

Ökologie

Standort: Kompaktmagazin unten

Zweigbibliothek: GFZ Bibliothek

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Nutrient concentrations and their relations to the biotic integrity of nonwadeable rivers in Wisconsin (2008)

Robertson, Dale M. ; Weigel, Brian M. ; Graczyk, David J.

Washington, DC : United States Gov. Print. Off.

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Signatur: S 90.0002(1754)

In: Professional paper

Beschreibung / Inhaltsverzeichnis: Excessive nutrient [phosphorus (P) and nitrogen (N)] input from point and nonpoint sources is frequently associated with degraded water quality in streams and rivers. Point-source discharges of nutrients are fairly constant and are controlled by the U.S. Environmental Protection Agency's (USEPA) National Pollutant Discharge Elimination System. To reduce inputs from nonpoint sources, agricultural performance standards and regulations for croplands and livestock operations are being proposed by various States. In addition, the USEPA is establishing regionally based nutrient criteria that can be refined by each State to determine whether actions are needed to improve water quality. More confidence in the environmental benefits of the proposed performance standards and nutrient criteria would be possible with improved understanding of the biotic responses to a range of nutrient concentrations in different environmental settings.

Materialart: Schriftenreihen ausleihbar

Seiten: XII, 81 S. , graph. Darst., Ill., Kt. , 28 cm

ISBN: 9781411321717

Serie: U.S. Geological Survey professional paper 1754

URL: http://pubs.usgs.gov/pp/1754/

Klassifikation:

Ökologie

Standort: Kompaktmagazin unten

Zweigbibliothek: GFZ Bibliothek

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Monographie ausleihbar

Continental scientific drilling : a decade of progress and challenges for the future (2007)

Harms, Ulrich [Hrsg.] ; Koeberl, Christian ; Zoback, Mark D. [Hrsg.] ; [weitere]

Berlin [u.a.] : Springer

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Signatur: 4/M 07.0166 ; M 19.508

Beschreibung / Inhaltsverzeichnis: Contents: History and Status of the International Continental Scientific Drilling Program. - Climate Dynamics and Global Environments: A Community Vision for the Next Decade in ICDP. - Continental Drilling and the Study of Impact Craters and Processes - an ICDP Perspective. - The GeoBiosphere. - Active Volcanic Systems. - Scientific Drilling of Active Faults: Past and Future. - Hotspot Volcanoes and Large Igneous Provinces. - Convergent Plate Boundaries and Collision Zones. - Natural Resources.

Materialart: Monographie ausleihbar

Seiten: 366 S.

ISBN: 9783540687771

Klassifikation:

Allgemeines

Standort: Lesesaal

Standort: Kompaktmagazin oben

Zweigbibliothek: GFZ Bibliothek

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Monographie ausleihbar

Observation of the earth system from space : with 54 tables (2006)

Flury, Jakob [Hrsg.] ; Rummel, Reiner [Hrsg.] ; Reigber, Christoph [Hrsg.] ; [weitere]

Berlin [u.a.] : Springer

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Signatur: 4/M 06.0108 ; M 06.0241

Beschreibung / Inhaltsverzeichnis: Within the national German geoscientific research and development programme "GEOTECHNOLOGIEN", funded by the Federal Ministry of Education and Research (BMBF) and the German Research Foundation (DFG), the research theme "Observation of the System Earth from Space" was selected as one of 13 key areas in this programme. During the first research phase for this theme from 2002 to 2004 six projects were accomplished covering Earth gravity field and Earth rotation research. These six projects are related to the data exploitation and preparation of analysis techniques for the gravity field satellite missions CHAMP, GRACE and GOCE, to the integration of geodetic observation techniques for a user centre within the International Earth Rotation Service and to improvements in observation and analysis techniques for airborne gravimetry and ring lasers. This book provides a detailed summary of the obtained results, which are relevant for a broad scientific community working in gravity field and Earth rotation research. - Contents: CHAMP - CHAllenging Minisatellite Payload.- GRACE - The Gravity Recovery And Climate Experiment.- GOCE - The Gravity Field and Steady-State Ocean Circulation Explorer.- IERS - The International Earth Rotation and Reference Systems Service .- GEOsensor - Ring Laser for Seismology. - Airborne Gravimetry.

Materialart: Monographie ausleihbar

Seiten: X, 494 S. , Ill., graph. Darst.

ISBN: 3540295208

Klassifikation:

Allgemeines

Standort: Lesesaal

Zweigbibliothek: GFZ Bibliothek

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Schriftenreihen ausleihbar

Nutrient concentrations and their relations to the biotic integrity of wadeable streams in Wisconsin (2006)

Robertson, Dale M.

Washington, DC : United States Gov. Print. Off.

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Signatur: S 90.0002(1722)

In: Professional paper

Materialart: Schriftenreihen ausleihbar

Seiten: XIV, 139 S.

ISBN: 1411309758

Serie: U.S. Geological Survey professional paper 1722

URL: http://pubs.usgs.gov/pp/pp1722/

Klassifikation:

Ökologie

Standort: Kompaktmagazin unten

Zweigbibliothek: GFZ Bibliothek

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Monographie ausleihbar

Trends in antarctic terrestrial and limnetic ecosystems : Antarctica as a global indicator (2006)

Bergstrom, Dana M. [Hrsg.] ; Convey, Pete [Hrsg.] ; Huiskes, Ad H. [Hrsg.]

Berlin [u.a.] : Springer

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Signatur: AWI G9-07-0010

Beschreibung / Inhaltsverzeichnis: 1. Trends in antarctic terrestrial and limnetic ecosystems: antarctica as a global indicator 2. The physical setting of the antarctic 3. Colonisation processes 4. Biogeography 5. Biogeographic trends in antarctic lake communities 6. Life history traits 7. Physiological traits of organisms in a changing environment 8. Plant biodiversity in an extreme environment: genetic studies of origins, diversity and evolution in the antarctic 9. The molecular ecology of antarctic terrestrial and limnetic invertebrates and microbes 10. Biological invasions 11. Landscape control of high latitude lakes in a changing climate 12. Antarctic climate change and its influences on terrestrial ecosystems 13. Antarctic lake systems and climate change 14. Subantarctic terrestrial conservation and management 15. Antarctic terrestrial and limnetic ecosystem conservation and management 16. The antarctic: local signals, global messages.

Materialart: Monographie ausleihbar

Seiten: X, 355 S.

ISBN: 1402052766

Klassifikation:

Ökologie

Zweigbibliothek: AWI Bibliothek

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Schriftenreihen ausleihbar

Johann Georg von Soldner (1776 - 1833) und seine Zeit (2005)

Past, Franz

München : Beck

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Signatur: S 90.1032(62)

In: Veröffentlichungen der Bayerischen Kommission für die Internationale Erdmessung der Bayerischen Akademie der Wissenschaften

Materialart: Schriftenreihen ausleihbar

Seiten: 22, 12, [10] S. , Ill., graph. Darst., Kt. , 1 CD-ROM , 30 cm

ISBN: 3769696247

Serie: Veröffentlichungen der Bayerischen Kommission für die Internationale Erdmessung der Bayerischen Akademie der Wissenschaften : Astronomisch-geodätische Arbeiten 62

Klassifikation:

Allgemeines

Standort: Kompaktmagazin unten

Zweigbibliothek: GFZ Bibliothek

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