天然林生态系统土壤功能退化机制和演变规律
项目来源
国(略)研(略)((略)D(略)
项目主持人
朱(略)
项目受资助机构
中(略)院(略)壤(略)
项目编号
2(略)Y(略)5(略)0(略)
立项年度
2(略)
立项时间
未(略)
研究期限
未(略) (略)
项目级别
国(略)
受资助金额
2(略)0(略)
学科
典(略)生(略)与(略)究
学科代码
未(略)
基金类别
未(略)
东(略)林(略)火(略);(略) (略)壤(略)质(略)森(略)结(略) (略)生(略) (略)林(略)恢(略) (略)t(略)s(略)a(略)a(略)o(略)t(略)F(略) (略)t(略)a(略) (略)u(略)n(略) (略)l(略)y(略)a(略)n(略)h(略)c(略)p(略)e(略)e(略) (略)e(略)c(略)u(略)y(略)r(略)u(略);(略)i(略)i(略)b(略) (略)m(略)t(略) (略)e(略)d(略)a(略)i(略)a(略)r(略)o(略)i(略)
参与者
褚(略)蔺(略)周(略)王(略)
参与机构
北(略)大(略)
项目标书摘要:以火(略)天然林功能退化恢复(略)土壤理化指标、森林(略)土壤微生物群落与多(略)讨了在不同恢复阶段(略)、森林群落结构和微(略)规律,拟为后期筛选(略)敏感指标与探讨土壤(略)同和制约关系打下基(略)虽未发现土壤理化性(略)度会对土壤理化性质(略)度火烧降低了土壤供(略)元素含量,同时增加(略)了土壤肥力严重衰减(略)一定程度上增加火烧(略)火烧造成的N和P缺(略)烧迹地植被的生长与(略),根河火烧迹地森林(略)火烧年限的共同控制(略)落形成不可或缺的重(略)史对土壤微生物群落(略)影响有着严格的土壤(略)菌群落更易受火烧和(略)通过植被群落调查发(略)和砍伐年限的演替规(略)采伐是驱动森林结构(略)外,采伐(特别是中(略)冷杉针阔混交林凋落(略)现存量和养分归还量(略)
Applicati(略): To stud(略)nisms of (略)est degra(略)r fire an(略)n Chinese(略)natural f(略)ict,the s(略)l and che(略)rties,for(略)ty struct(略)cies dive(略)microbial(略)and diver(略)nvestigat(略)yzed.The (略)lution la(略)apacity o(略)r conserv(略)ineral nu(略)est commu(略)ure and m(略)mmunity s(略) differen(略) forest r(略)were disc(略) results (略)pful to s(略)physical (略)l indexes(略)ect soil (略)gradation(略)er the re(略)of coordi(略)restricti(略)the soil (略)d vegetat(略)tion.The (略)ule of so(略) and chem(略)ties was (略)n differe(略)f fire re(略)ut the in(略)fire show(略)influence(略)l physica(略)cal prope(略)ate and h(略)educed th(略)supply ca(略)some cont(略)anged min(略)ts in soi(略)e,it incr(略)isk of Al(略)nd causes(略)teriorati(略)fertility(略)nd fertil(略)reased so(略)tention c(略) alleviat(略) deficien(略)y fire,wh(略)tribute t(略)h of plan(略)unity res(略) the vege(略)ire patch(略)cy analys(略)hat the f(略)nity dist(略) Genhe wa(略)ely contr(略)il enviro(略)tors and (略)bance.Fir(略)ce is an (略)le and im(略)tor for t(略)tion of f(略)nity.Thro(略)estigatio(略)tion comm(略)uccession(略)rest comm(略)ture infl(略)ire and c(略)discovere(略)ified tha(略)cutting w(略)ving fact(略)st struct(略)tion,cutt(略)lly moder(略)ere cutti(略) the nutr(略)n of litt(略)mixed for(略)spruce an(略) spruce,a(略) the spat(略)eneity of(略)ck and th(略) nutrient(略)
项目受资助省
江(略)
- (略)