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  • 2000-2004  (5)
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Year
  • 1
    Series available for loan
    Series available for loan
    Below-ground carbon dynamics as a function of climate variability in undisturbed soils of a neotropical rain forest (2002)
    Göttingen : Forschungszentrum Waldökosysteme
    Associated volumes
    Details Availability
    Call number: ZS-015(A 184)
    In: Berichte des Forschungszentrums Waldökosysteme
    Type of Medium: Series available for loan
    Pages: x, 133 S.
    Series Statement: Berichte des Forschungszentrums Waldökosysteme : Reihe A 184
    Classification:
    Ecology
    Location: Lower compact magazine
    Branch Library: GFZ Library
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    BOOK
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  • 2
    Electronic Resource
    Electronic Resource
    Substantial labile carbon stocks and microbial activity in deeply weathered soils below a tropical wet forest (2003)
    Oxford, UK : Blackwell Science Ltd
    Global change biology 9 (2003), S. 0 
    Details
    ISSN: 1365-2486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Notes: Contrary to large areas in Amazonia of tropical moist forests with a pronounced dry season, tropical wet forests in Costa Rica do not depend on deep roots to maintain an evergreen forest canopy through the year. At our Costa Rican tropical wet forest sites, we found a large carbon stock in the subsoil of deeply weathered Oxisols, even though only 0.04–0.2% of the measured root biomass (〉2 mm diameter) to 3 m depth was below 2 m. In addition, we demonstrate that 20% or more of this deep soil carbon (depending on soil type) can be mobilized after forest clearing for pasture establishment. Microbial activity between 0.3 and 3 m depth contributed about 50% to the microbial activity in these soils, confirming the importance of the subsoil in C cycling. Depending on soil type, forest clearing for pasture establishment led from no change to a slight addition of carbon in the topsoil (0–0.3 m depth). However, this effect was countered by a substantial loss of C stocks in the subsoil (1–3 m depth). Our results show that large stocks of relatively labile carbon are not limited to areas with a prolonged dry season, but can also be found in deeply weathered soils below tropical wet forests. Forest clearing in such areas may produce unexpectedly high C losses from the subsoil.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2486.2003.00656.x
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Soil Properties of Boreal Riparian Plant Communities in Relation to Natural Succession and Clear-Cutting, Peace River Lowlands, Wood Buffalo National Park, Canada (2000)
    Springer
    Water, air & soil pollution 122 (2000), S. 449-467 
    Details
    ISSN: 1573-2932
    Keywords: boreal forest ; clear-cutting ; floodplain ; natural succession ; soil properties ; white spruce
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Thirteen study sites on the floodplain and terraces ofthe lower Peace River, Wood Buffalo National Park,Canada, were examined for the effects of naturalforest succession and logging on physical and chemicalsoil properties. The principal changes in substratecharacteristics along the natural successional pathwaywere (i) development of a forest floor and (ii) burialof organic layers by floodwater deposition. Thephysical soil parameters of the forest floor andmineral soil were closely related to floodingfrequency, soil texture, stand closure, and forestfloor build-up. Significant differences in a number ofchemical soil properties between early (Barren Silt,Establishing) and late (Mature, Old-growth)successional stages were evident. The rising influenceof the developing plant community on chemical soilparameters was obvious. Organic carbon, totalnitrogen, cation exchange capacity, exchangeablecalcium, magnesium and potassium and extractablephosphorus level of forest floor and mineral soilswere highest in Mature sites; whereas pH and basesaturation were lowest. Physical and chemical soilproperties at three clear-cut sites were compared tosix undisturbed Mature/Old-growth stands. Removingvegetation had an effect on the physical soilproperties. A significant decrease in forest floornitrogen, cation exchange capacity, calcium andphosphorus occurred due to clear-cutting. Nosignificant change of chemical soil parameters wasobserved in the mineral soil at 0–20 cm depthfollowing harvesting. Significant impacts on chemicalsoil characteristics appeared to be limited to theforest floor. The absence of post-cutting sitepreparations makes the study area a useful benchmarkfor comparison with logged and scarified borealriparian sites elsewhere.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1005266327739
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  • 4
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    Substantial labile carbon stocks and microbial activity in deeply weathered soils below a tropical wet forest (2003)
    Wiley
    Details
    Publication Date: 2003-08-01
    Print ISSN: 1354-1013
    Electronic ISSN: 1365-2486
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering , Geography
    Published by Wiley
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    PAPER CURRENT
  • 5
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    Soil/water properties in Brazilian mangrove (2001)
    PANGAEA
    Details
    Publication Date: 2023-06-10
    Keywords: Ammonia determination (Koroleff, 1969/1976); Ammonium; Brazil (Pará), Rio Caeté; bridge,FurodoChato; Calculated; Calculated from total carbon and nitrogen; Carbon, organic, dissolved; Carbon/Nitrogen ratio; Comment; DATE/TIME; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Electrode dual glass, Applied Microsystems, Canada; Event label; Grain size, sieving; groundwater; Hand push corer; HSR; MADAM; mangrove; Mangrove Dynamics and Management; Muffel furnace, 550 °C, LOI; Nitrate; Nitrate/Nitrite determ. (Grasshoff et al., 1983, Verlag Chemie GmbH Weinheim); Nitrite; Nitrogen, organic, dissolved; Organic matter, carbonate free; Oxygen saturation; P3LS.P1-P1; P3LS.P3; P3LS.P3-1; P3LS.P3-10; P3LS.P3-2; P3LS.P3-3; P3LS.P3-4; P3LS.P3-5; P3LS.P3-6; P3LS.P3-7; P3LS.P3-8; P3LS.P3-9; P3LS.P3-B0; P3LS.P3-B2; P3LS.P3-Piezo1; P3LS.P3-Tower; pH; Phosphate; Phosphate (Eberlein & Kattner, 1987, Fresenius J Analyt Chem 326:354-357); PIEZO; Piezometer; Potentiometric; rainwater; Salinity; Sand; Silicate; silicate determ.; Silt; Size fraction 〈 0.002 mm, clay; Soil/water; soilcore; soilprofile; Temperature, water; Water content, wet mass; Water level; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 5828 data points
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    DATA PANGAEA
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