Seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of Pinus massoniana stands after pine wilt disease disturbance

To understand changes in soil nutrients in Pinus massoniana forests affected by pine wilt disease (PWD), we examined the seasonal variation in dissolved organic carbon (DOC), dissolved organic nitrogen (DON) and soil nutrients in Hefei, East China. The results showed a considerable decline in the po...

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Autores principales:	Ge,P, Da,L.J, Wang,W.B, Xu,X.N
Lenguaje:	English
Publicado:	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2014
Materias:	Pinus massoniana forest dissolved organic carbon (DOC) dissolved organic nitrogen (DON) soil properties disturbance
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162014000100006
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spelling	oai:scielo:S0718-951620140001000062015-11-12Seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of Pinus massoniana stands after pine wilt disease disturbanceGe,PDa,L.JWang,W.BXu,X.N Pinus massoniana forest dissolved organic carbon (DOC) dissolved organic nitrogen (DON) soil properties disturbance To understand changes in soil nutrients in Pinus massoniana forests affected by pine wilt disease (PWD), we examined the seasonal variation in dissolved organic carbon (DOC), dissolved organic nitrogen (DON) and soil nutrients in Hefei, East China. The results showed a considerable decline in the population density and basal area in both highly disturbed (HD) and moderately disturbed (MD) forest stands and an increase in dead pine trees, causing pronounced changes in the stand structure and soil nutrient status. The concentrations of DOC and NO3-- N were significantly (p < 0.05) higher in every season in the disturbed forests compared to the undisturbed (UD) forest stand. However, during spring and summer, the variation in the DON and NH4+-N values was significantly (p < 0.05) lower in the HD forest stand than in the UD stand; total N concentrations were higher in the disturbed forests in every season. During spring and autumn, the variation in total P values was significantly (p < 0.05) lower in the MD forest stand than in the UD stand, whereas the total P values were significantly (p < 0.05) lower in every season in the HD stand than in the UD stand. In this study, disturbance resulted in a considerable increase in DOC, N and NO3-- N when compared to the UD stand and a pronounced increase in soil nitrate in the HD stand, which may lead to soil acidification, thereby increasing the possibility of soil nutrient leaching.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.14 n.1 20142014-03-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162014000100006en10.4067/S0718-95162014005000006
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Pinus massoniana forest dissolved organic carbon (DOC) dissolved organic nitrogen (DON) soil properties disturbance
spellingShingle	Pinus massoniana forest dissolved organic carbon (DOC) dissolved organic nitrogen (DON) soil properties disturbance Ge,P Da,L.J Wang,W.B Xu,X.N Seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of Pinus massoniana stands after pine wilt disease disturbance
description	To understand changes in soil nutrients in Pinus massoniana forests affected by pine wilt disease (PWD), we examined the seasonal variation in dissolved organic carbon (DOC), dissolved organic nitrogen (DON) and soil nutrients in Hefei, East China. The results showed a considerable decline in the population density and basal area in both highly disturbed (HD) and moderately disturbed (MD) forest stands and an increase in dead pine trees, causing pronounced changes in the stand structure and soil nutrient status. The concentrations of DOC and NO3-- N were significantly (p < 0.05) higher in every season in the disturbed forests compared to the undisturbed (UD) forest stand. However, during spring and summer, the variation in the DON and NH4+-N values was significantly (p < 0.05) lower in the HD forest stand than in the UD stand; total N concentrations were higher in the disturbed forests in every season. During spring and autumn, the variation in total P values was significantly (p < 0.05) lower in the MD forest stand than in the UD stand, whereas the total P values were significantly (p < 0.05) lower in every season in the HD stand than in the UD stand. In this study, disturbance resulted in a considerable increase in DOC, N and NO3-- N when compared to the UD stand and a pronounced increase in soil nitrate in the HD stand, which may lead to soil acidification, thereby increasing the possibility of soil nutrient leaching.
author	Ge,P Da,L.J Wang,W.B Xu,X.N
author_facet	Ge,P Da,L.J Wang,W.B Xu,X.N
author_sort	Ge,P
title	Seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of Pinus massoniana stands after pine wilt disease disturbance
title_short	Seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of Pinus massoniana stands after pine wilt disease disturbance
title_full	Seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of Pinus massoniana stands after pine wilt disease disturbance
title_fullStr	Seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of Pinus massoniana stands after pine wilt disease disturbance
title_full_unstemmed	Seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of Pinus massoniana stands after pine wilt disease disturbance
title_sort	seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of pinus massoniana stands after pine wilt disease disturbance
publisher	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162014000100006
work_keys_str_mv	AT gep seasonaldynamicsofdissolvedorganiccarbonnitrogenandothernutrientsinsoilofpinusmassonianastandsafterpinewiltdiseasedisturbance AT dalj seasonaldynamicsofdissolvedorganiccarbonnitrogenandothernutrientsinsoilofpinusmassonianastandsafterpinewiltdiseasedisturbance AT wangwb seasonaldynamicsofdissolvedorganiccarbonnitrogenandothernutrientsinsoilofpinusmassonianastandsafterpinewiltdiseasedisturbance AT xuxn seasonaldynamicsofdissolvedorganiccarbonnitrogenandothernutrientsinsoilofpinusmassonianastandsafterpinewiltdiseasedisturbance
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Seasonal dynamics of dissolved organic carbon, nitrogen and other nutrients in soil of Pinus massoniana stands after pine wilt disease disturbance

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