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  • Articles  (12)
  • soil  (11)
  • Chemical Engineering
  • Fisheries
  • Organic Chemistry
  • 2000-2004  (12)
  • Energy, Environment Protection, Nuclear Power Engineering  (12)
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  • Articles  (12)
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  • 1
    ISSN: 1573-2959
    Keywords: copper-nickel smelter ; ICP mass spectrometry ; Kola peninsula ; pollution ; soil ; trace elements ; vegetation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Concentrations of 34 elements determined by ICP mass spectrometry were studied in surface soil and vegetation along a north–south gradient through the ‘Pechenganickel’ smelter complex in Kola peninsula, northern Russia. Strong influence from the smelter was evident for Fe, Co, Ni, and Cu, mainly associated with dry deposition of large particles. Also for As, Se, Mo, Sb, Te, Bi, and Pb the smelter or associated sources appeared to be distinct contributors of contamination consisting presumably of smaller particles. Significant but less distinct effects leading to enhanced concentration levels were observed for P, S, V, Cr, Zn, and Tl. In the case of Mn, Rb, Sr, Cs, and Ba the concentrations in vegetation were generally lower near the source, which may be due to cation exchange with protons or heavy metal cations in the soil and subsequent leaching from the root zone. For Li, Be, B, Na, Mg, Al, Ca, Y, Cd, La, Th, and U no particular influence from the smelter complex was observed. Some characteristic differences observed in element concentrations in different plant species and between different years of Pinus sylvestris needles are discussed. The high concentrations observed for many trace elements in the humus horizon indicates that it acts as an active biogeochemical barrier against downward transport of these elements.
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Environmental monitoring and assessment 64 (2000), S. 583-590 
    ISSN: 1573-2959
    Keywords: biological activity of soil ; constantpressure volumetric respirometer ; flow-through respirometer ; respirometry methods ; soil ; soil respiration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Among commonly employed methods of fast estimation of the soil biological activity a method of the oxygen consumption determination is used. The main goal of this research was an estimation of a soil respiratory metabolism using the constant pressure volumetric respirometer and also using the flow-through respirometer UNI-RES10.Soil respiration measurements were done using both types of respirometers in temperatures 10, 15, 20, 25, 30 and 35 °C, keeping up the constant humidity. The investigated soil was a soil humus belonged to organic soils from the Dziekanów Leśny field. The soil respiration was also measured for 8 plant communities in Sudeten Mountains with various respiration intensity.After the experiments it was stated that both measuring instruments could be used for the soil metabolism evaluation. Readouts obtained from the UNI-RES10 respirometer are smaller then readouts when using the constant pressure volumetric respirometer. The flow-through respirometers have to be calibrated to obtain results comparable with these from volumetric ones. The volumetric and flow-through respirometry methods are useful for the comparative analysis of metabolism levels.
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Environment, development and sustainability 2 (2000), S. 277-304 
    ISSN: 1573-2975
    Keywords: Systems of Knowledge ; Local Knowledge ; Fisheries ; Resource Management
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Sociology
    Notes: Abstract During the last 20 years, the existence of rich systems of local knowledge, and their vital support to resource use and management regimes, has been demonstrated in a wide range of biological, physical and geographical domains, such as agriculture, animal husbandry, forestry and agroforestry, medicine, and marine science and fisheries. Local knowledge includes empirical and practical components that are fundamental to sustainable resource management. Among coastal-marine fishers, for example, regular catches and, often, long-term resource sustainment are ensured through the application of knowledge that encompasses empirical information on fish behaviour, marine physical environments, fish habitats and the interactions among ecosystem components, as well as complex fish taxonomies. Local knowledge is therefore an important cultural resource that guides and sustains the operation of customary management systems. The sets of rules that compose a fisheries management system derive directly from local concepts and knowledge of the resources on which the fishery is based. Beyond the practical and the empirical, it is essential to recognise the fundamental socio-cultural importance of local knowledge to any society. It is through knowledge transmission and socialisation that worldviews are constructed, social institutions perpetuated, customary practices established, and social roles defined. In this manner, local knowledge and its transmission, shape society and culture, and culture and society shape knowledge. Local knowledge is of great potential practical value. It can provide an important information base for local resources management, especially in the tropics, where conventionally-used data are usually scarce to non-existent, as well as providing a shortcut to pinpoint essential scientific research needs. To be useful for resources management, however, it must be systematically collected and scientifically verified, before being blended with complementary information derived from Western-based sciences. But local knowledge should not be looked on with only a short-term utilitarian eye. Arguments widely accepted for conserving biodiversity, for example, are also applicable to the intellectual cultural diversity encompassed in local knowledge systems: they should be conserved because their utility may only be revealed at some later date or owing to their intrinsic value as part of the world's global heritage. At least in cultures with a Western liberal tradition, more than lip-service is now being paid to alternative systems of knowledge. The denigration of alternative knowledge systems as backward, inefficient, inferior, and founded on myth and ignorance has recently begun to change. Many such practices are a logical, sophisticated and often still-evolving adaptation to risk, based on generations of empirical experience and arranged according to principles, philosophies and institutions that are radically different from those prevailing in Western scientific circles, and hence all-but incomprehensible to them. But steadfastly held prejudices remain powerful. In this presentation I describe the 'design principles' of local knowledge systems, with particular reference to coastal-marine fishing communities, and their social and practical usefulness. I then examine the economic, ideological and institutional factors that combine to perpetuate the marginalisation and neglect of local knowledge, and discuss some of the requirements for applying local knowledge in modern management.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Environmental monitoring and assessment 61 (2000), S. 301-313 
    ISSN: 1573-2959
    Keywords: biological activity ofsoil ; constant-pressure volumetric respirometer ; heavy metals ; respirometry methods ; soil ; soil degradation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A main goal of investigations is to determine could a soilrespiration be an indicator of the soil pollution. In this case a measured levelof the soil oxygen consumption depends of its pollution. It alsomeans that the pollution reduces biological processes in edaphon.Investigated soil samples were taken from polluted andnon-polluted places in the Baix Llobregat near Barcelona (Catalonia, NE Spain). Soil samples were taken from the top ofsoil (0–5 cm) without a litter. Soil analysis were done, determining percentage shares of coarsefragments, coarse sand, fine sand, coarse silt, fine silt, clay,CaCO3, organic matter as well as water pH and conductivityCE (1:5 [mS cm-1]). Also were determined (in mg kg-1)quantities of heavy metals, as Fe, Al, Mn, Zn, Cr, Ni, V, Cu, Cd, Pb.The soil respiration was investigated in temperatures15 and 30 °C and with controlled humidity.The respiration in 30 °C is number of times greater thenin 15 °C both for polluted and non-polluted soils.Particularly high coefficients of correlation between the soilrespiration and soil pollution in polluted soils were obtainedfor Pb: r = 0.75 in 15 °C and r = 0.98 in30 °C; for Ba: 0.90 and 0.57; for V: 0.99 and 0.81. In non-polluted soils highest correlation coefficients are for Pb: r = 0.70 in 15 °C; Fe: 0.60 and 0.72; Al: 0.68 and0.64; Mn: 0.51 and 0.66; Ba: 0.63 and 0.61; Cr: 0.94 and0.70; Ni: 0.64 and 0.65; Cu: 0.69 and 0.48; as well as V: 0.62in 15 °C; and Cd: 0.69 in 15 °C.This way the soil respiration could be a good indicator of the soil pollution.
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Environmental monitoring and assessment 63 (2000), S. 329-339 
    ISSN: 1573-2959
    Keywords: bioavailable ; lead ; sediment ; soil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This study determined the spatial distribution of soiland of sediment-associated lead in Iqaluit, Nunavut.Samples were collected from the following areas:outside the built-up area of the town to reflectbackground concentrations; known or potential pointsources of lead, such as the Upper Base, the SylviaGrinnell Dump and the Metal Dump (North 40); andresidential and commercial areas of Iqaluit and Apex,a satellite community. In the laboratory, the 〈63 μm sample fraction was analyzed for total lead andbioavailable lead, estimated by non-residual acidextractable lead content. The research findings revealthat elevated levels of bioavailable lead are presentin the study area. Total lead concentrations generallydo not exceed environmental guidelines. However, leadconcentrations in the Sylvia Grinnell Dump, and Apexand Iqaluit grid areas exceed health-based guidelines.The research concludes that there is not a serioushealth hazard posed by lead levels in the soil andsediment in the study area. However, severalenvironmental (elevated lead levels, bioavailableforms of lead and bare soil surfaces) and behaviouralfactors (vigorous and unsupervised play outside) maycreate a risk of lead exposure.
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Water, air & soil pollution 124 (2000), S. 1-21 
    ISSN: 1573-2932
    Keywords: horizon ; selective extraction ; soil ; trace metal ; vertical distribution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract To predict the long-term behavior of trace metals in a soilprofile, we studied the vertical distributions of barium, zinc,copper, chromium, nickel, cobalt, lead, and the principalmetals, aluminum, iron and manganese, in three soils withdeveloped horizons obtained from rural areas in Japan. Totalelement analysis and selective extraction tests with variousreagents were conducted to clarify the extractability of themetals at each sampling depth.Soil-b (Dystric Cambisols) had the highest extractability ofelements although the vertical distributions of its traceelements were similar to those of soil-d (Umbric Andosols),which had to lowest metal extractability of the three soils.Soil-KUR (Orthic Acrisols or Dystric Cambisols) was the oldest of the three soils and showed downward movement of some tracemetals (chromium and nickel) and principal elements (Fe and Mn)that was probably induced by long-term weathering.The extractability of manganese, zinc and barium with water washigher than other metals examined in all three soils. Lead andcobalt in soil-b and soil-KUR also were considered to have highextractability under long-term weathering processes. Zinc andlead accumulated near soil surface showed higher extractabilitywith every reagent used than those in deep layers of the three soils.
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Environmental monitoring and assessment 60 (2000), S. 337-357 
    ISSN: 1573-2959
    Keywords: cellulose ; charcoal kiln ; decomposition ; herb seeds ; moisture ; respiration ; smoke pollution ; soil ; temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Long-term charcoal production in small private charcoal kilns (CK) in Eastern Bieszczady Mts. (SE Poland) can cause local smoke contamination of the ambient forest environment. Responses of model soil systems, contaminated or not contaminated by CK smoke, to contrasting combinations of hydrothermic regimes were compared in laboratory microcosms (respiration of soil community, decomposition rate of soil organic matter and cotton stripes, herb seeds germination were studied). The majority of the obtained data show a markedly higher level of soil biological activity in the CK versus the control series. In some cases CK and control soil systems show different patterns of reactions to the tested combinations of microclimate regime. These phenomena should at least partly be attributed to the effects of CK pollution.
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  • 8
    Electronic Resource
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    Springer
    Water, air & soil pollution 121 (2000), S. 379-398 
    ISSN: 1573-2932
    Keywords: deciduous woodland ; Meathop Wood ; PAHs ; pasture ; soil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A survey of PAHs in the soils of a mature,mixed-deciduous woodland and the surrounding pasturewas conducted along two transects. PAH `profiles'were not significantly different in the woodland soilcompared with the pasture. ΣPAH concentrations in thewoodland soil were significantly higher than soil fromthe surrounding pasture by a factor of 1.5–3 (P 〈 0.01), indicating enhanced deposition of PAHs to thesoil under the canopy via leaf litter, stemflow and/or through-fall. A deposition `edge effect' was onlyobserved at the windward edge of the canopy where thenumber and density of aerial and basal stems washighest (P 〈 0.05). The influence of predominantwest/south-westerly winds was observable in the lackof an edge effect at the leeward edges, and the higherΣPAH concentrations in the predominantly leewardpasture compared to the windward pasture (P 〈 0.05).
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  • 9
    Electronic Resource
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    Water, air & soil pollution 122 (2000), S. 203-229 
    ISSN: 1573-2932
    Keywords: housedust ; IEUBK model ; metals ; risk assessment ; scanning electron microscopy ; sequential extraction ; soil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Soils and housedusts were collected from three areas of Pribram,an historic metal mining and smelting town in the Czech Republic. The main objectives of the study were: (i) to assessthe influence of physico-chemical form, particle size, soilproperties and contaminant source on Pb bioavailability andexposure risk; (ii) compare the Pb bioavailability data obtainedfrom the mining and smelting areas and assess whether anydifferences observed could be attributed to the factors thoughtto exert an influence. Lead concentrations were highest in thesmelter area. Mining area garden soils also contained elevatedPb concentrations. Solubility of housedust Pb in 0.12 M HCl (asurrogate for stomach acid) was similar in all study areas andwas similar to values reported in the literature. However, 0.12M HCl solubility of garden soil Pb was low in the mining areacompared to the other study areas and compared to other urbanareas. Blood Pb concentrations were also relatively low in themining area compared to the other study areas and the reducedsoil Pb solubility observed in this area was suspected as aninfluencing factor. However, exposure pathways may also beimportant in explaining the differences observed.
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  • 10
    ISSN: 1573-2932
    Keywords: denitrification ; ferrous iron ; field test ; hypoheiczone ; nitrate removal ; riparian zone ; soil ; stream export
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In regions with intensive agriculture and shallow hydrological systems, headstreams are often polluted with nitrate even at the springs. In North-West France, nitrate concentration was seen to decrease downstream during baseflow conditions when the stream flows on granite, but this does not occur on schist. In order to explain this difference in behaviour, we analysed the groundwaters and surveyed the redox conditions (using a field test for ferrous iron) in near-bank wet meadows as well as in the hyporheic zone. We show that the wet meadow groundwater was denitrified and that oxygen and nitrate were presentaround the stream channel in a wide zone on granite,compared with a very restricted zone on schist. Ongranite, exchanges between the stream and the hyporheic zone are favoured by sandy or peaty material having high hydraulic conductivity. This gives rise to two processes (1) lateral inflow of denitrified water from wet meadows, (2) in the opposite direction, supply of stream nitrate to denitrification sites in the hyporheic zone. In the second case, a high hydraulic conductivity also reduces the water residence time and limits denitrification, resulting in high levels of oxygen and nitrate. On schist, the low hydraulic conductivity prevents an efficientconnection between surface and subsurface waters.
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  • 11
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    Water, air & soil pollution 118 (2000), S. 395-406 
    ISSN: 1573-2932
    Keywords: forest litter ; mapping ; nuclear test ; radioactive contamination ; Russia ; soil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The results of the extensive measurements ofCesium-137 (137Cs) in virgin soils, plants,forest litter and lake bottom sediments of AltayRegion in 1992–1995 are presented. Analyses of thevertical soil profiles indicate that 137Cs ispresent in the upper 5–20 cm of the soil. Crops andthe majority of wild plants show no signs ofcontamination with 137Cs even in areas where soilis contaminated. A regional map of 137Csconcentration is presented, which shows a highlyirregular pattern of radio-cesium deposition from thenuclear tests on the Semipalatinsk Nuclear Polygonbetween 1949 to 1962. This kind of lateraldistribution of 137Cs in Altay virgin topsoilscannot be accounted for only by the distance from thenuclear testing site, on the contrary, it seems to bepredominantly dependent on the weather conditions anda pattern of rainfall at the time of Semipalatinskexplosions. The article discusses the factors causingthe post-precipitation redistribution of 137Cs inthe soil column and demonstrates that forest litter,lichen and lake bottom sediments can be used assensitive indicators of the historical and currentradioactive contamination.
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  • 12
    ISSN: 1573-2932
    Keywords: Everglades ; mercury ; mobility ; peat ; phosphorus ; soil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Soils in the southern half of Water Conservation Area3A are mostly peats with some organic-rich marls. Mercury contents of 64 surface samples over a500 km2 area average 28.7 ng cc-1 (209 ppb drysediment), which is typical of organic-rich soils. High Hg contents in Everglades fish are therefore notcaused by anomalously high soil Hg. Hg contents showno systematic lateral variation, consistent withdeposition from well-mixed atmospheric sources ratherthan nearby point sources or runoff from canals.Cores from 9 sites contain more Hg and P at or nearthe surface than at 20–30 cm depth. Hg and P contentsof individual cores correlate well and define separatebackground and anomalous populations. The subsurfacedistribution of P is determined largely by uptake bysawgrass and other plants. The correlation between Pand Hg suggests that, although atmospheric Hgdeposition has undoubtedly increased in recentdecades, postdepositional mobilization of Hg may beimportant in Everglades soils. This finding, togetherwith recent direct measurements of atmospheric Hgdeposition, indicates that previous estimates of Hgdeposition rates based on Everglades peat cores, whichassumed that Hg is immobile in peat after deposition,have yielded large overestimates.
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