FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2051831845> ?p ?o ?g. }

• W2051831845 endingPage "64" @default.
• W2051831845 startingPage "45" @default.
• W2051831845 abstract "Savannas and grasslands in South Africa are adapted to fire, yet long-term effects of fire on soil, water and nutrients remain largely unknown. To determine whether frequent burning increases the tendency of soils to crust and alters soil chemistry, topsoils from 19 sites were examined in Mpumalanga, KwaZulu-Natal and the Eastern Cape where annual burning and fire exclusion experiments had been conducted for at least 28 years. A comparison of soils from burnt and unburnt plots revealed that composite samples taken to a depth of 10 cm from burnt plots had lower laboratory infiltration, electrical conductivity (EC) of 1:5 extracts, water-soluble K, water-soluble NH4, total C, total N and labile C. Burnt plots had higher pH in KCl, water dispersible clay and modulus of rupture. Rate of soil respiration from composite samples (0–2 cm) from burnt plots was lower than from unburnt plots (means of 21 vs. 36 ng C g−1 s−1). Rainfall simulation on the same samples demonstrated that burnt plots crusted more rapidly than unburnt plots (19 vs. 35 mm h−1), while results from sampling at 1-cm intervals revealed that the greatest differences between burnt and unburnt plots were in the 0–1 cm layer. The top few centimetres of soil are likely to have a disproportionate effect on ecosystem functioning by influencing the rate of infiltration and mineralisation of soil organic matter. This thin surface layer has been named the pedoderm in this paper. Soil from 0–1 cm in burnt plots had lower total C (means of 0.8% vs. 2.7% for burnt and unburnt plots, respectively), total N (0.07% vs. 0.23%), (NH4)OAc-extractable Ca (7 vs. 17 mmolc kg−1), Mg (2 vs. 7 mmolc kg−1), K (0.8 vs. 1.5 mmolc kg−1) and a greater exchangeable Na percentage (17% vs. 8%). The results indicate that burning increases soil crusting. This was ascribed to a decrease in humus content (and associated disaggregating effect) and an increase in the dispersion of clay. Nutrients are lost from burnt plots over time, probably by the removal of ash in surface runoff. Calcium, Mg, and K were lost more readily than Na probably because plants take up these nutrients in greater concentration than Na. The net effect was an increase in the exchangeable sodium percentage (ESP). Crusting on burnt plots may be self-perpetuating, because increased runoff is likely to increase the loss of soluble salts." @default.
• W2051831845 created "2016-06-24" @default.
• W2051831845 creator A5035085045 @default.
• W2051831845 creator A5060643962 @default.
• W2051831845 date "2004-07-01" @default.
• W2051831845 modified "2023-10-16" @default.
• W2051831845 title "Frequent fires intensify soil crusting: physicochemical feedback in the pedoderm of long-term burn experiments in South Africa" @default.
• W2051831845 cites W1811877823 @default.
• W2051831845 cites W1968265562 @default.
• W2051831845 cites W1980292094 @default.
• W2051831845 cites W1986327995 @default.
• W2051831845 cites W1986451720 @default.
• W2051831845 cites W1994716481 @default.
• W2051831845 cites W1996656076 @default.
• W2051831845 cites W2000273120 @default.
• W2051831845 cites W2007831214 @default.
• W2051831845 cites W2009234588 @default.
• W2051831845 cites W2013475149 @default.
• W2051831845 cites W2014527234 @default.
• W2051831845 cites W2029098413 @default.
• W2051831845 cites W2032440778 @default.
• W2051831845 cites W2032808495 @default.
• W2051831845 cites W2043748205 @default.
• W2051831845 cites W2044170419 @default.
• W2051831845 cites W2044463031 @default.
• W2051831845 cites W2047109366 @default.
• W2051831845 cites W2050534107 @default.
• W2051831845 cites W2053032068 @default.
• W2051831845 cites W2060375919 @default.
• W2051831845 cites W2064627939 @default.
• W2051831845 cites W2070098112 @default.
• W2051831845 cites W2070436936 @default.
• W2051831845 cites W2079984989 @default.
• W2051831845 cites W2080280028 @default.
• W2051831845 cites W2083998502 @default.
• W2051831845 cites W2090070438 @default.
• W2051831845 cites W2099656668 @default.
• W2051831845 cites W2158685003 @default.
• W2051831845 cites W2170274077 @default.
• W2051831845 cites W2171398890 @default.
• W2051831845 cites W2211602750 @default.
• W2051831845 cites W2285620887 @default.
• W2051831845 cites W2316537781 @default.
• W2051831845 cites W2333327015 @default.
• W2051831845 cites W2474622149 @default.
• W2051831845 cites W2590074720 @default.
• W2051831845 doi "https://doi.org/10.1016/j.geoderma.2003.10.004" @default.
• W2051831845 hasPublicationYear "2004" @default.
• W2051831845 type Work @default.
• W2051831845 sameAs 2051831845 @default.
• W2051831845 citedByCount "115" @default.
• W2051831845 countsByYear W20518318452012 @default.
• W2051831845 countsByYear W20518318452013 @default.
• W2051831845 countsByYear W20518318452014 @default.
• W2051831845 countsByYear W20518318452015 @default.
• W2051831845 countsByYear W20518318452016 @default.
• W2051831845 countsByYear W20518318452017 @default.
• W2051831845 countsByYear W20518318452018 @default.
• W2051831845 countsByYear W20518318452019 @default.
• W2051831845 countsByYear W20518318452020 @default.
• W2051831845 countsByYear W20518318452021 @default.
• W2051831845 countsByYear W20518318452022 @default.
• W2051831845 countsByYear W20518318452023 @default.
• W2051831845 crossrefType "journal-article" @default.
• W2051831845 hasAuthorship W2051831845A5035085045 @default.
• W2051831845 hasAuthorship W2051831845A5060643962 @default.
• W2051831845 hasConcept C110872660 @default.
• W2051831845 hasConcept C142796444 @default.
• W2051831845 hasConcept C153294291 @default.
• W2051831845 hasConcept C153400128 @default.
• W2051831845 hasConcept C156634047 @default.
• W2051831845 hasConcept C159390177 @default.
• W2051831845 hasConcept C159750122 @default.
• W2051831845 hasConcept C182124840 @default.
• W2051831845 hasConcept C18903297 @default.
• W2051831845 hasConcept C20529654 @default.
• W2051831845 hasConcept C205649164 @default.
• W2051831845 hasConcept C39432304 @default.
• W2051831845 hasConcept C48743137 @default.
• W2051831845 hasConcept C86803240 @default.
• W2051831845 hasConceptScore W2051831845C110872660 @default.
• W2051831845 hasConceptScore W2051831845C142796444 @default.
• W2051831845 hasConceptScore W2051831845C153294291 @default.
• W2051831845 hasConceptScore W2051831845C153400128 @default.
• W2051831845 hasConceptScore W2051831845C156634047 @default.
• W2051831845 hasConceptScore W2051831845C159390177 @default.
• W2051831845 hasConceptScore W2051831845C159750122 @default.
• W2051831845 hasConceptScore W2051831845C182124840 @default.
• W2051831845 hasConceptScore W2051831845C18903297 @default.
• W2051831845 hasConceptScore W2051831845C20529654 @default.
• W2051831845 hasConceptScore W2051831845C205649164 @default.
• W2051831845 hasConceptScore W2051831845C39432304 @default.
• W2051831845 hasConceptScore W2051831845C48743137 @default.
• W2051831845 hasConceptScore W2051831845C86803240 @default.
• W2051831845 hasIssue "1-2" @default.
• W2051831845 hasLocation W20518318451 @default.
• W2051831845 hasOpenAccess W2051831845 @default.
• W2051831845 hasPrimaryLocation W20518318451 @default.

• next