生态环境学报
生態環境學報
생태배경학보
ECOLOGY AND ENVIRONMENT
2013年
4期
598-604
,共7页
马尾松%纯林%针阔混交林%土壤理化性质
馬尾鬆%純林%針闊混交林%土壤理化性質
마미송%순림%침활혼교림%토양이화성질
Pinus massoniana%pure forest%coniferous and broadleaved mixed forest%soil physical and chemical properties
以安徽省枞阳县大山村3种马尾松不同林型（马尾松纯林、马尾松-麻栎混交林、马尾松-枫香混交林）0~60 cm土层为研究对象，探讨3种马尾松林型的土壤理化性质变化规律，旨在为该区马尾松人工林的可持续发展和生产提供科学依据。结果表明：（1）0~60 cm土层，3种马尾松林型土壤容重随深度的增加而逐渐增加，混交林土壤容重显著低于纯林；土壤含水量随土层的加深而逐渐减小，其大小为：马尾松-枫香混交林>马尾松-麻栎混交林>马尾松纯林，马尾松-枫香混交林在土壤容重降低，土壤孔隙度增加及土壤含水量方面优于马尾松-麻栎混交林；（2）土壤pH值介于4.5~5.0之间，3种林型pH值随土层深度的增加而增大，但差异均不显著，其中马尾松-枫香混交林土壤pH值较高；（3）3种林型土壤有机质、全N、有效P和速效K均随土层深度的增加而减少，呈现明显的“表聚”现象，其质量分数表现为：马尾松-枫香混交林>马尾松-麻栎混交林>马尾松纯林；（4）土壤容重与土壤水分质量分数、有机质、全N、有效P和速效K等养分质量分数均呈负相关，土壤有机质与全N、有效P和速效K呈极显著的正相关，这说明土壤有机质在改善土壤理化性质和促进养分循环方面起着非常重要的作用。
以安徽省樅暘縣大山村3種馬尾鬆不同林型（馬尾鬆純林、馬尾鬆-痳櫟混交林、馬尾鬆-楓香混交林）0~60 cm土層為研究對象，探討3種馬尾鬆林型的土壤理化性質變化規律，旨在為該區馬尾鬆人工林的可持續髮展和生產提供科學依據。結果錶明：（1）0~60 cm土層，3種馬尾鬆林型土壤容重隨深度的增加而逐漸增加，混交林土壤容重顯著低于純林；土壤含水量隨土層的加深而逐漸減小，其大小為：馬尾鬆-楓香混交林>馬尾鬆-痳櫟混交林>馬尾鬆純林，馬尾鬆-楓香混交林在土壤容重降低，土壤孔隙度增加及土壤含水量方麵優于馬尾鬆-痳櫟混交林；（2）土壤pH值介于4.5~5.0之間，3種林型pH值隨土層深度的增加而增大，但差異均不顯著，其中馬尾鬆-楓香混交林土壤pH值較高；（3）3種林型土壤有機質、全N、有效P和速效K均隨土層深度的增加而減少，呈現明顯的“錶聚”現象，其質量分數錶現為：馬尾鬆-楓香混交林>馬尾鬆-痳櫟混交林>馬尾鬆純林；（4）土壤容重與土壤水分質量分數、有機質、全N、有效P和速效K等養分質量分數均呈負相關，土壤有機質與全N、有效P和速效K呈極顯著的正相關，這說明土壤有機質在改善土壤理化性質和促進養分循環方麵起著非常重要的作用。
이안휘성종양현대산촌3충마미송불동림형（마미송순림、마미송-마력혼교림、마미송-풍향혼교림）0~60 cm토층위연구대상，탐토3충마미송림형적토양이화성질변화규률，지재위해구마미송인공림적가지속발전화생산제공과학의거。결과표명：（1）0~60 cm토층，3충마미송림형토양용중수심도적증가이축점증가，혼교림토양용중현저저우순림；토양함수량수토층적가심이축점감소，기대소위：마미송-풍향혼교림>마미송-마력혼교림>마미송순림，마미송-풍향혼교림재토양용중강저，토양공극도증가급토양함수량방면우우마미송-마력혼교림；（2）토양pH치개우4.5~5.0지간，3충림형pH치수토층심도적증가이증대，단차이균불현저，기중마미송-풍향혼교림토양pH치교고；（3）3충림형토양유궤질、전N、유효P화속효K균수토층심도적증가이감소，정현명현적“표취”현상，기질량분수표현위：마미송-풍향혼교림>마미송-마력혼교림>마미송순림；（4）토양용중여토양수분질량분수、유궤질、전N、유효P화속효K등양분질량분수균정부상관，토양유궤질여전N、유효P화속효K정겁현저적정상관，저설명토양유궤질재개선토양이화성질화촉진양분순배방면기착비상중요적작용。
In this study, to explore the effect of soil physical and chemical properties on three forest types of pure Pinus massoniana forest (PF), Pinus massoniana and Quercusacu tissima mixed forest (PQM), Pinus massoniana and Liquidambar formosana mixed forest(PLM), the three forest types of 0-60 cm layers soil from Zongyang county, Anhui province, were selected to detecet their physical and chemical properties, it will support the strategy for the development of Pinus massoniana in the area. The results showed that the value of soil bulk density of the three different forest types of Pinus massonian increased at the depth, but the two forest types of mixed forests were significantly lower than that of pure forest; Inversely, the soil water content was decreased at the depth, the linage order was as follows: (PLM) > (PQM) > (PF). PLM was better than that of PQM in reducing of the soil bulk density, increasing of soil porosity and soil water content. The soil pH value range from 4.5 to 5 with the increasing of soil depth, PLM was relatively higher than that of other two forest types, but the difference wasn’t significant. The value of soil chemical properties containing the soil organic matter (SOM), total nitrogen (TN), available phosphorus (AP) and available potassium (AK) decreased with the increasing of soil depth. The distribution characteristics of soil chemical properties showed obvious accumulation effect in the top soil layers, and the change of its content was as follows: PLM > PQM > PF. The data also showed the soil bulk density was significantly negative correlation to soil water content, SOM, TN, AP and AK, but SOM was significantly correlative with TN, AP and AK. The conclusion could be made that soil organic matter played a very important role in improving soil physical and chemical properties as well as promoting the soil nutrient cycling.
