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  • 1
    Online-Ressource
    Online-Ressource
    Dordrecht :Springer Netherlands,
    Schlagwort(e): Nitrogen cycle. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (519 pages)
    Ausgabe: 1st ed.
    ISBN: 9789401734059
    DDC: 577/.145
    Sprache: Englisch
    Anmerkung: Intro -- Table of Contents -- Foreword -- Towards an ecological understanding of biological nitrogen fixation -- Dinitrogen fixation in the world's oceans -- The origin, composition and rates of organic nitrogen deposition: A missing piece of the nitrogen cycle? -- Anthropogenie nitrogen sourees and relationships to riverine nitrogen export in the northeastern U.S.A. -- Sources of nitrate in rivers draining sixteen watersheds in the northeastern V.S.: Isotopic constraints -- Nitrogen retention in rivers: model development and application to watersheds in the northeastern U.S.A. -- Forest nitrogen sinks in large eastern V.S. watersheds :estimates from forest inventory and an ecosystem model -- Where did all the nitrogen go? Fate of nitrogen inputs to large watersheds in the northeastern U.S.A. -- A comparison of models for estimating the riverine export of nitrogen from large watersheds -- Regional analysis of inorganic nitrogen yield and retention in high-elevation ecosystems of the Sierra Nevada and Rocky Mountains -- Yield of nitrogen from minimally disturbed watersheds of the United States -- Nitrogen budgets for the Republic of Korea and the Yellow Sea region -- Regional nitrogen budgets for China and its major watersheds -- Landscape, regional and global estimates of nitrogen flux from land to sea: Errors and uncertainties -- Policy implications of human-accelerated nitrogen cycling -- Note added in proof.
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  • 2
    Online-Ressource
    Online-Ressource
    Dordrecht :Springer Netherlands,
    Schlagwort(e): Nitrogen cycle. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (279 pages)
    Ausgabe: 1st ed.
    ISBN: 9781402055171
    DDC: 577
    Sprache: Englisch
    Anmerkung: Intro -- CONTENTS -- Preface -- Sources of reactive nitrogen affecting ecosystems in Latin America and the Caribbean: current trends and future perspectives -- A review of anthropogenic sources of nitrogen and their effects on Canadian aquatic ecosystems -- More is less: agricultural impacts on the N cycle in Argentina -- Human activities changing the nitrogen cycle in Brazil -- Assessment of nitrogen flows into the Cuban landscape -- Urban influences on the nitrogen cycle in Puerto Rico -- Nitrogen and phosphorus budgets for a tropical watershed impacted by agricultural land use: Guayas, Ecuador -- The influence of climate on average nitrogen export from large watersheds in the Northeastern United States -- Coastal eutrophication assessment in the United States -- Nitrogen cycling in tropical and temperate savannas -- Nutrient-chlorophyll relationships in tropical-subtropical lakes: do temperate models fit? -- The stable carbon and nitrogen isotopic composition of vegetation in tropical forests of the Amazon Basin, Brazil.
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  • 3
    Online-Ressource
    Online-Ressource
    New York, NY :Springer,
    Schlagwort(e): Ecology. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (441 pages)
    Ausgabe: 1st ed.
    ISBN: 9781461212249
    DDC: 577
    Sprache: Englisch
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    Schlagwort(e): Nitrogen cycle-North Atlantic Ocean-Congresses. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (305 pages)
    Ausgabe: 1st ed.
    ISBN: 9789400917767
    Sprache: Englisch
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    Online-Ressource
    Online-Ressource
    Ipswich :Salem Press,
    Schlagwort(e): Biotic communities. ; Ecology. ; Ecosystem health. ; Electronic books.
    Materialart: Online-Ressource
    Seiten: 1 online resource (1504 pages)
    Ausgabe: 1st ed.
    ISBN: 9781429838184
    DDC: 577.8/2
    Sprache: Englisch
    Anmerkung: Intro -- Biomes and Ecosystems - Volume 1 -- Contents -- Publisher's Note -- About the Editors -- Introduction -- Topic Finder -- List of Contributors -- Illustrations -- Marine and Oceanic Biome / Great Barrier Reef -- Inland Aquatic Biome / New England Pond -- Desert Biome / Sonoran Desert -- Forest Biome / European Boreal Forest -- Rainforest Biome / Amazon Basin Rainforest -- Grassland Biome / African Savanna -- Tundra Biome / Siberian Tundra -- Human (Anthropogenic) Biome / American Suburb -- Marine and Oceanic Biomes -- Coastal Seas -- Coastal Wetlands -- Continental Shelves -- Coral Reefs and Seagrass Beds -- Estuaries, Bays, Lagoons, and Coastal Rivers -- High Latitude Oceanic Regions -- Intertidal Zones -- Tropical and Subtropical Oceanic Regions -- Upwelling Ecosystems -- Inland Aquatic Biomes -- Freshwater Lakes -- Great Lakes -- Ponds -- Rivers -- Saline Lakes -- Streams -- Wetlands -- Desert Biomes -- Coastal Deserts -- Mid-Latitude Deserts -- Paleodeserts -- Polar Deserts -- Rain Shadow Deserts -- Trade Wind Deserts -- Forest Biomes -- Boreal Forests and Taiga -- Mediterranean Forests -- Montane Forests -- Plantation Forests -- Subtropical Forests -- Temperate Coniferous Forests -- Temperate Deciduous Forests -- Tropical Rainforests -- Tropical Seasonal Forests -- Grassland,Tundra, and Human Biomes -- Agroecosystems -- Montane Meadows -- Pasture Lands -- Temperate Grasslands -- Tropical and Subtropical Grasslands -- Tropical Savannas -- Tundra Ecosystems -- Urban and Suburban Systems -- Biomes and Ecosystems - Volume 2 -- Contents -- Acacia-Commiphora Bushlands and Thickets -- Acadia Intertidal Zones -- Ad Dahna Desert -- Aden, Gulf of -- Adriatic Sea -- Aegean Sea -- Alaska Peninsula Montane Taiga -- Albemarle-Pamlico Sound -- Albert, Lake (Africa) -- Albertine Rift Montane Forests -- Aldabra Atoll -- Allegheny Highlands Forests. , Alps Conifer and Mixed Forests -- Amazon River -- Amu Darya River -- Amur River -- Anatolian Conifer and Deciduous Mixed Forests -- Anatolian Steppe, Central -- Andaman Sea -- Andean Montane Forests, Northwestern -- Andean Páramo Grasslands -- Andean Puna Grasslands, Central -- Andros Barrier Reef -- An Nafud Desert -- Antarctic (Southern) Ocean -- Apalachicola Bay -- Apo Coral Reef -- Appalachian-Blue Ridge Forests -- Appalachian Mixed Mesophytic Forests -- Arabian Sea -- Arafura Sea -- Arafura Swamp -- Aral Sea -- Araya and Paria Xeric Scrub -- Arctic Desert -- Arctic Ocean -- Arctic Tundra, High -- Arctic Tundra, Low -- Argentine Monte -- Arizona Mountains Forests -- Arkansas River -- Arnhem Land Tropical Savanna -- Ascension Scrub and Grasslands -- Ashmore Reef -- Atacama Desert -- Atchafalaya Swamp -- Athabaska, Lake -- Atlantic Coastal Forests, Middle -- Atlantic Coastal Forests, Southern -- Atlantic Equatorial Coastal Forests -- Atlantic Ocean, North -- Atlantic Ocean, South -- Australian Alps Montane Grasslands -- Australian Temperate Forests, Eastern -- Australia Woodlands, Southwest -- Azores Temperate Mixed Forests -- Baffin Bay -- Baffin Coastal Tundra -- Bahia Forests -- Baikal, Lake -- Baja California Desert -- Balkhash, Lake -- Baltic Sea -- Bangweulu Wetlands -- Banrock Station Wetlands -- Barataria-Terrebonne Estuary -- Barents Sea -- Belize Barrier Reef Reserve System -- Bengal, Bay of -- Beni Savanna -- Bering Sea -- Bikar Atoll -- Black Sea -- Blue Mountains Forests -- Borneo Rainforests -- Brahmaputra River -- Brahmaputra Valley Semi-Evergreen Forests -- Brigalow Tropical Savanna -- Brisbane River -- British Columbia Mainland Coastal Forests -- Brooks-British Range Tundra -- Buru Rainforest -- Caatinga Dry Woodland -- Cabayugan River -- California Central Valley Grasslands -- California Chaparral and Woodlands. , California Coastal Forests, Northern -- Camargue Wetlands -- Cameroon Savanna Plantation Forests -- Campos Rupestres Montane Savanna -- Canary Islands Dry Woodlands and Forests -- Candaba Swamp -- Cardamom Mountains Rainforests -- Caribbean Sea -- Caroni Swamp -- Carpathian Montane Conifer Forests -- Carpentaria Tropical Savanna -- Cascades Forests, Eastern -- Caspian Lowland Desert -- Caspian Sea -- Caucasus Mixed Forests -- Celtic Broadleaf Forests -- Central American Atlantic Moist Forests -- Central American Montane Forests -- Cerrado Grasslands -- Chad, Lake -- Chad, Lake, Flooded Savanna -- Chagos Archipelago -- Cham Islands Coral Reefs -- Champlain, Lake -- Chatham Island Temperate Forests -- Chesapeake Bay -- Chihuahuan Desert -- Chilean Matorral Forests -- Chile Intertidal Zones -- China Loess Plateau Mixed Forests, Central -- Chittagong Hill Tracts Plantation Forests -- Christmas and Cocos Islands Tropical Forests -- Chukchi Sea -- Clipperton Island -- Coiba Island Coral Reefs -- Colorado Plateau Shrublands -- Colorado River -- Colorado Rockies Forests -- Columbia River -- Congaree Swamp -- Congolian Lowland Forests -- Congolian Swamp Forests -- Congo River -- Connecticut River -- Coongie Lakes -- Cooper Creek -- Copper Plateau Taiga -- Coral Triangle -- Córdoba Montane Savanna -- Costa Rican Seasonal Moist Forests -- Cyprus Mediterranean Forests -- Danube Delta -- Danube River -- Darling River -- Dead Sea -- Deccan Plateau Dry Deciduous Forests -- Dee Estuary -- Diamantina River -- Dnieper River -- Dongsha Islands -- Don River -- Dry Valleys Desert -- East African Montane Forests -- East China Sea -- East Siberian Sea -- Ecotourism -- Edwards Plateau Savanna -- Elbe River -- Erie, Lake -- Ethiopian Montane Moorlands -- Euphrates River -- European Broadleaf Forests, Western -- Everglades Wetlands -- Eyre, Lake. , Fernando de Noronha Archipelago -- Fisheries -- Florida Keys Coral Reef -- Fraser River -- Fundy, Bay of -- Galápagos Islands Xeric Scrub -- Gambia River -- Ganges River -- Ghats Montane Rainforests, Northwestern and Southwestern -- Gibson Desert -- Gironde Estuary -- Gobi Desert -- Godavari Estuary -- Gondwana Rainforest -- Great Barrier Reef -- Great Basin Desert -- Great Basin Montane Forests -- Great Bay Estuary -- Great Bear Lake -- Great Black Swamp -- Great Cypress Swamp -- Great Dismal Swamp -- Great Lakes Forests -- Great Salt Lake -- Great Sandy-Tanami Desert -- Great Slave Lake -- Great Victoria Desert -- Guyanan Savanna -- Biomes and Ecosystems - Volume 3 -- Contents -- Hauraki Plains Wetlands -- Hawaiian Intertidal Zones -- Hawaiian Tropical Moist Forests -- Hawaiian Tropical Shrublands -- Highveld Grasslands -- Himalayan Alpine Shrub and Meadows, Eastern -- Himalayan Alpine Shrub and Meadows, Western -- Himalayan Broadleaf Forests -- Himalayan Subalpine Conifer Forests -- Himalayan Subtropical Pine Forests -- Hokkaido Montane Conifer Forests -- Honey Island Swamp -- Hudson Bay -- Hudson Bay Lowlands -- Hudson River -- Huetar Norte Plantation Forests -- Humber Estuary -- Huntsman Valley (Tasmania) Plantation Forests -- Huron, Lake -- Iberian Conifer Forests -- Iceland Boreal Birch Forests and Alpine Tundra -- Indian Ocean -- Indian Ocean Islands (Southern) Tundra -- Indochina Dry Forests, Central -- Indochina Subtropical Forests -- Indus River -- Indus Valley Desert -- Irrawaddy Moist Deciduous Forests -- Irrawaddy River -- iSimangaliso Wetlands (St. Lucia Estuary) -- Italian Sclerophyllous and Semi-Deciduous Forests -- Itigi-Sumbu Thicket -- Japan, Sea of -- Java-Bali Rainforests -- Jordan River -- Junggar Basin Semi-Desert -- Kafue Flats -- Kakadu Wetlands -- Kakamega Rainforest -- Kalaallit Nunaat Arctic Tundra -- Kalahari Desert. , Kalahari Xeric Savanna -- Kalimantan (Indonesia) Rainforests -- Kara Sea -- Kazakh Steppe -- Kennebec Estuary -- Kimberley Tropical Savanna -- Kinabalu Montane Alpine Meadows -- Klamath Estuary -- Klamath-Siskiyou Forests -- Kuitpo Plantation Forest -- Ladoga, Lake -- Lake Télé-Lake Tumba Swamps -- Lakshadweep Coral Reefs -- Laptev Sea -- Leeward Islands Xeric Scrub -- Lena River -- Limpopo River -- Logging Industry -- Loire River -- Long Island Sound -- Lord Howe Island Subtropical Forests -- Luang Prabang Montane Rainforests -- Lukanga Swamp -- Luzon Rainforest -- Mackenzie River -- Madagascar Lowland Forests -- Madeira Evergreen Forests -- Magdalena River -- Magdalena Valley Montane Forest -- Magellanic Subpolar Forests -- Malabar Coast Moist Forests -- Malawi, Lake -- Maldives -- Mana Pools -- Manchurian Mixed Forests -- Mannar, Gulf of, Coral Reefs -- Maracaibo, Lake -- Marajó Varzea Forests -- Marielandia Antarctic Tundra -- Maudlandia Antarctic Desert -- Mediterranean Conifer-Sclerophyllous-Broadleaf Forests, Eastern -- Mediterranean Sea -- Meghalaya Subtropical Forests -- Mekong Delta -- Mekong River -- Mesoamerican Barrier Reef -- Mexican Wetlands, Central -- Mexico, Gulf of -- Michigan, Lake -- Middle East Steppe -- Mid-Pacific Gyre -- Mingo Swamp -- Miombo Woodlands -- Mississippi Lowland Forests -- Mississippi River -- Missouri River -- Mojave Desert -- Mongolian-Manchurian Grassland -- Montana Valley and Foothill Grasslands -- Monte Alegre Varzea Forests -- Monterey Bay Intertidal Zone -- Mount Desert Island Intertidal Zone -- Murray River -- Murrumbidgee River -- Muskwa-Slave Lake Forests -- Namib Desert -- Namibian Savanna Woodlands -- Nariva Swamp -- Narragansett Bay -- Nasser, Lake -- Nebraska Sand Hills Desert -- Nelson River -- Nenjiang River Grassland -- New Caledonia Barrier Reef -- New Caledonia Dry Forests. , New England-Acadian Forests.
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  • 6
    Buch
    Buch
    Dordrecht [u.a.] : Kluwer Acad. Publ.
    Schlagwort(e): Nitrogen cycle Congresses ; Konferenzschrift ; Atlantischer Ozean Nord ; Stickstoffkreislauf
    Materialart: Buch
    Seiten: 304 p , graph. Darst., Kt , 25 cm
    ISBN: 079234281X
    DDC: 577.7310145
    Sprache: Englisch
    Anmerkung: Aus: Biogeochemistry ; 35,1
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Whelan, Jean K; Oremland, Ronald S; Tarafa, Martha; Smith, Richard; Howarth, Robert; Lee, Cindy (1986): Evidence for sulfate-reducing and methane-producing microorganisms in sediments from Sites 618, 619, and 622. In: Bouma, AH; Coleman, JM; Meyer, AW; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 96, 767-775, https://doi.org/10.2973/dsdp.proc.96.147.1986
    Publikationsdatum: 2023-05-12
    Beschreibung: Radiolabeled products were formed from labeled substrates during anaerobic incubation of sediments from Sites 618, 619, and 622. One set of experiments formed 14CO2, 14CH4, and 35SH2 from 2-14C-acetate and 35S-sulfate; a second set formed 14CH4 from 14C-methylamine or 14C-trimethylamine. Levels of 14CO2 and 35S2 formed were two to three orders of magnitude greater than 14CH4. Production of 14CH4 by Deep Sea Drilling Project (DSDP) sediments was four to five orders of magnitude less than that formed by anoxic San Francisco Bay sediment. However, incubation of Site 622 sediment slurries under H2 demonstrated production of small quantities of CH4. These results indicate that DSDP sediments recovered from 4 to 167 m sub-bottom (age 85,000-110,000 yr.) harbor potential microbial activity which includes sulfate reducers and methanogens. Analysis of pore waters from these DSDP sites indicates that bacterial substrates (acetate, methylated amines) were present.
    Schlagwort(e): Deep Sea Drilling Project; DSDP
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
    Publikationsdatum: 2023-06-27
    Schlagwort(e): 96-619; Acetate; Acetate, standard deviation; Carbon, organic, total; Carbon, organic, total, standard deviation; Deep Sea Drilling Project; DEPTH, sediment/rock; Dimethylamine, dissolved; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Gulf of Mexico; Leg96; Methane; Monomethylamine; Sample code/label; see reference(s); Sulfate; Trimethylamine
    Materialart: Dataset
    Format: text/tab-separated-values, 123 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
    Publikationsdatum: 2023-06-27
    Schlagwort(e): 96-618; Acetate; Acetate, standard deviation; Carbon, organic, total; Carbon, organic, total, standard deviation; Deep Sea Drilling Project; DEPTH, sediment/rock; Dimethylamine, dissolved; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Gulf of Mexico/BASIN; Leg96; Methane; Monomethylamine; Sample code/label; see reference(s); Sulfate; Trimethylamine
    Materialart: Dataset
    Format: text/tab-separated-values, 33 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 10
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Freshwater biology 6 (1976), S. 0 
    ISSN: 1365-2427
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: We investigated the effects of long-term enrichment with nitrate, phosphate, and nitrate+phosphate on the first 5 weeks of leaf detritus processing in laboratory stream microecosystems. Enrichment with nitrate+phosphate accelerated leaf weight loss and increased rates of respiration associated with the leaves. However, whole-system respiration was little changed from that observed in the control stream since respiration in the water was greatly reduced. Enrichment with phosphate alone had little effect except to lower respiration associated with leaf discs. Enrichment with nitrate alone also decreased leaf-disc respiration but resulted in a greatly increased rate of respiration in the water. Net leaching and fragmentation of carbon from the leaves was also increased by nitrate enrichment.Nitrogen and phosphorus levels in leaf material were little affected by enrichment with nitrate or phosphorus alone. Leaves in those streams and in the control stream released nitrogen and phosphorus to the water. In contrast, percent nitrogen and phosphorus increased greatly in the leaves in the stream enriched with both nitrate and phosphate. The leaves in this system immobilized both nitrogen and phosphorus from the water.We also studied the importance of nitrogen fixation as a vector for nitrogen incorporation associated with leaf decomposition in streams. Somewhat surprisingly, fixation by microbes associated with the leaves and by microbes suspended in the water occurred under all three experimental enrichment treatments as well as in the control, casting doubt on the effectiveness of nitrate in inhibiting nitrogenase synthesis in nature. However, N2-fixation is only a minor source of nitrogen for leaves decaying under the conditions studied.
    Materialart: Digitale Medien
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