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Research on the SCS-CN initial abstraction ratio using rainfall-runoff event analysis in the Three Gorges Area,China

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Research on the SCS-CN initial abstraction ratio using rainf...

QTL Analysis of Fiber Yield and Quality and Resistance to Verticillium Wilt Using Gossypium hirsutum and *** Advanced Backcross Populations

第五届中国青年生态学工作者学术研讨会

作者： Zhi-Hua Shi~(1,2. Li-Ding Chen~2.1 Key Lab of subtropical {3. & Environment of Ministry of {3.,Huazhong Agricultural University,Wuhan 43.070,PR China 2.State Key Laboratory of Urban and Regional Ecology,Research Center for Eco-environmental {3.,Chinese academy of {3.,P.O.Box 2.71,Beijing 100085,PR China

The Soil Conservation Service Curve Number (SCS-CN) method is widely used for predicting direct runoff from *** ratio of initial abstraction(Ⅰa) to maximum potential retention (S) was assumed in its original development to be equal to 0.2.in SCS-CN *** constant initial abstraction ratio is the most ambiguous assumption and requires considerable *** objectives of this study were (1) to determine the initial abstraction ratio,in an experimental watershed in the Three Gorges Area of China,by analyzing measured rainfall-runoff events;(2. to compare the performance of the traditional and modifiedⅠa/S values with observed rainfall-runoff *** dataset consisted of 6 years of rainfall and runoff measurements from the experimental *** results indicated that theⅠa/S values,using event rainfall-runoff data, varied from 0.010 to 0.154,with a median of *** average initial abstraction ratio of the watershed was equal to 0.053.The standard SCS-CN method underestimates large runoff events, yielded a slope of the regression line of 0.559 and an intercept of *** modifiedⅠa/S value was about 0.05 that better predicted runoff depths with an R of 0.804 and a linear regression slope of *** also improved model efficiency coefficient (E) to 0.768 compared with 0.482.for traditionalⅠa/S *** Ia/S-adjusted SCS-CN method appears to be better appropriate for runoff prediction in the Three Gorges Area of China.

关键词： SCS-CN method direct runoff initial abstraction ratio rainfall-runoff events

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棉花学报 2008年第S1期20卷 21-页

作者： LI Ai-guo1,2.LIU Guang-ping1,3.ZHANG Bao-cai1,LI Jun-wen1,SHI Yu-zhen1,LIU Ai-ying1,YANG Ze-mao1,3.LIU Zhi3.YU Xiao-nan2.WANG Tao1,YUAN You-lu1(1.Cotton Research institute,Chinese {3. of Agricultural {2. Key Laboratory of Cotton Genetic Improvement,Ministry of {3.,Anyang,Henan 455000,China 2.College of Agronomy,Hunan Agricultural University,changsha,Hunan 41012.,China 3.College of Life Science and Technology,Hunan Agricultural University,changsha,Hunan 41012.,China) Cotton Research institute Chinese Academy of Agricultural Sciences Key Laboratory of Cotton Genetic Improvement Ministry of AgricultureAnyangHenan 455000China College of Agronomy Hunan Agricultural UniversityChangshaHunan 410128China Cotton Research institute Chinese Academy of Agricultural Sciences Key Laboratory of Cotton Genetic Improvement Ministry of AgricultureAnyangHenan 455000China College of Life Science and Technology Hunan Agricultural UniversityChangshaHuna Cotton Research institute Chinese Academy of Agricultural Sciences Key Laboratory of Cotton Genetic Improvement Ministry of AgricultureAnyangHenan 455000China College of Life Science and Technology Hunan Agricultural UniversityChangshaHunan 410128China College of Agronomy Hunan Agricultural UniversityChangshaHunan 410128China

To introgress elite QTL alleles of Gossypium barbadense *** fiber yield and quality and resistance to Verticillium wilt into *** L.,enlarge the genetic base of ***,and

关键词： interspecific backcrosss AB-QTL fiber quality yield Verticillium wilt resistance

Mutualism/predation network structure among seeds and rodents and its influencing factors in a subtropical forest in China

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沼肥与化肥在大白菜、花椰菜上的应用效果比较研究

第七届全国野生动物生态与资源保护学术研讨会

作者： Gang Chang,~(1,2.Zhibin Zhang~(1*) (1 State Key Laboratory of Integrated Management of Pest Insects and Rodents in agriculture,institute of Zoology,Chinese {2. of {3. Beijing,100101,China 2.Shaanxi institute of Zoology,Xi’an, 71003.0}China)

Seed traits have been known to influence seed hoarding strategies of rodents,which in turn affect seed fate and regeneration success of plant ***,the mutualism and predation network among sympatric seeds and rodents and its influencing factors have not been well investigated. Using seeds of 5 tree species,we investigated the differences in hoarding behaviors among 7 sympatric rodent species and their interactions with seed traits in semi-natural enclosures in the Banruosi subtropical Forest in Southwest *** found that different rodent species showed different positive and negative effects on seed regeneration of the 5 tree *** was a slight overlap in mutualism among seeds and rodents;it highly occurred in Edward’s long-tailed rats(Leopoldamys edwardsi)with ***,but not in Chestnut rats(Niviventer fulvescens)or Himalayan rats(Rattus nitidusa)with C. *** was a greater overlap among seeds and rodents in terms of *** found heavier seeds or seeds with harder coats tended to be less-harvested,less frequently eaten in situ or after removal, and more frequently scatter-hoarded or larder-hoarded by *** with a high content of fat or protein,or high caloric value were eaten more frequently after removal,and more frequently *** with high starch content were more frequently eaten in situ,with less eaten after removal,and more frequently harvested by *** with high tannin content were more frequently eaten in situ or after removal,and more frequently *** handling time hypothesis,high tannin hypothesis,and high nutrition hypothesis,as well as the seed size hypothesis were supported in some,but not all,seed-rodent *** found that fresh weight was the predominant factor in affecting hoarding behavior of 3.rat species,while tannin was the predominant factor in affecting the hoarding behavior of 3.Apodemus *** divergence in formation of mutualism and predation

关键词： Sympatric rodents hoarding behavior seed traits mutualism/predation interactions

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生态学杂志 2004年第2期23卷 141-145页

作者：梁称福陈正法彭廷柏陈惠萍李文祥中国科学院亚热带农业生态研究所长沙410125

以大白菜、花椰菜为试材 ,研究了沼肥、化肥两种肥料在高量、中量、低量 3.施用水平下的施用效果。结果表明 ,从株高指标上看 ,大白菜施沼肥以低量为佳 ,花椰菜以高量为好 ;从开展度指标上看 ,大白菜、花椰菜施沼肥均以低量为好 ;从单... 详细信息

以大白菜、花椰菜为试材 ,研究了沼肥、化肥两种肥料在高量、中量、低量 3.施用水平下的施用效果。结果表明 ,从株高指标上看 ,大白菜施沼肥以低量为佳 ,花椰菜以高量为好 ;从开展度指标上看 ,大白菜、花椰菜施沼肥均以低量为好 ;从单球净重上看 ,两种蔬菜均以施沼肥中量利于提高单球净重 ;从提高净菜率来看 ,大白菜以沼肥中量处理为好 ,花椰菜以沼肥高量处理为佳 ;从两种蔬菜的产量来看 ,施沼肥处理均显著高于施化肥处理 ,其中沼肥高量与沼肥中量处理之间无显著差异 ,而它们与沼肥低量处理之间存在显著差异 ;大白菜中的总糖含量以沼肥低量处理为最高 ,而花椰菜则以沼肥中量处理最高 ;两种蔬菜中的Vc含量均以化肥高量处理为最高 ;从两种蔬菜收获时霜霉病的发病情况来看 ,均以沼肥中量处理发病最轻。施用沼肥利于改善土壤理化性状 ,利于大白菜、花椰菜对土壤中营养元素的吸收 ,从而致使土壤中营养元素的积累量减少。

关键词：沼肥蔬菜施肥施用水平施用效果

Effects of Chinese Milk Vetch (Astragalus sinicus L.) Residue Incorporation on CH4 and N2. Emission from a Double-Rice Paddy Soil

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Journal of Integrative agriculture 2012年第9期11卷 1537-1544页

作者： ZHU Bo1,YI Li-xia1, HU Yue-gao1, ZENG Zhao-hai1, TANG Hai-ming2. YANG Guang-li2.and XIAO Xiao-ping2.1 College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193. P.R.China 2.Hunan Soil and Fertilizer institute, changsha 41012., P.R.China College of Agronomy and Biotechnology China Agricultural University Beijing 100193 P.R. China Hunan Soil and Fertilizer institute Changsha 410125 P.R. China

Methane (CH 4 ) and nitrous oxide (N 2.O) emissions from paddy soils have seldom been estimated when leguminous green manure is applied as a nitrogen source. In this paper, gas fluxes were measured by using a pot sampling device combined with a static chamber method to estimate the effects of Chinese milk vetch (Astragalus sinicus L., CMV) on CH 4 and N 2.O emissions and their integrated global warming potentials (GWP) in a double-rice cropping system. Four treatments (no nitrogen fertilizer, NF; urea as chemical fertilizer, CF; CMV incorporation, MV; 50% CMV incorporation and 50% urea, MVCF) were established. CH 4 flux peaked on the 15th d after treatment application. Total season CH 4 emission was increased by MV and MVCF by 3.0 and 2.9%, 152.and 66%, when compared with NF and CF, respectively. Most of the increased CH 4 was emitted in the first two months after incorporation of CMV. N 2.O emission from CF was 17- and 5.6-fold higher than that from MV and MVCF, respectively. Application of CMV restricted N 2.O emission caused by the application of urea. Improved CMV residue management was needed to minify CH 4 emission induced by the input of organic material. Despite the highest GWP being found in MV, we recommend CMV, when applied as an N source in paddy fields, as a potential mitigation tool for greenhouse gas emissions.

关键词： Chinese milk vetch double-rice global warming potential methane nitrous oxide

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红壤坡耕地综合治理与开发关键技术研究

水土保持学报 2003年第3期17卷 89-92页

作者：黄道友陈桂秋王克林盛良学中国科学院亚热带区域农业研究所湖南长沙410125

坡耕地是在山区落后的生产力背景下,人口与资源矛盾冲突中出现的产物,是重要的农业生产资源。但是,不合理的开垦利用甚至超强度的掠夺式经营,已使坡耕地成为南方红黄壤地区水土流失的主要来源。以湖南的坡耕地为研究对象,在系统地分析... 详细信息

坡耕地是在山区落后的生产力背景下,人口与资源矛盾冲突中出现的产物,是重要的农业生产资源。但是,不合理的开垦利用甚至超强度的掠夺式经营,已使坡耕地成为南方红黄壤地区水土流失的主要来源。以湖南的坡耕地为研究对象,在系统地分析了坡耕地治理与开发的主要障碍因素的基础上,根据近10年的攻关研究成果与治理实践经验,阐明了坡耕地治理与开发应采取的原则和选择的模式,并就治理与开发过程中如何防止水土流失、抗御季节性干旱、提高土壤肥力、加快农业产业化进程、建立健全投资机制与激励机制等技术途径和措施进行了较为系统的研究。

关键词：红壤坡耕地综合治理开发水土保持土壤肥力农业产业化投资机制激励机制

Exogenous gibberellin affects reserve accumulation during seeds filling in Brassica Napus

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Exogenous gibberellin affects reserve accumulation during se...

转Hu-IFN-α基因草鱼雌核发育F1的遗传配型分析

从植物科学到农业发展——2.12.国植物生物学大会

作者： Xingqun Huang~1,Xiaoying Zhao~1,Reqing He~1,Bo Zhou~1,Wusheng Peng~3.Yuhong Zhuo~3. Jianzhong Lin~1,Dongying Tang~1,Jihong Zhang~1,Xuanming Liu~(*1,2. 1 Bioenergy and Biomaterial Research Center,College of Biology,Hunan University,changsha 410082. 2.State Key Laboratory of Chemo/Biosensing and Chemometrics,Hunan University,changsha 410082. 3.{2. of Seed Industry of Hunan Yahua,changsha 410001.

Exogenous Gibberellins(GAs) are applied in agriculture broadly and their physiological functions and biochemistry mechanism become more and more clear,but little is known about the effect of GAs on the reserve substance accumulation during seed *** this paper,it is shown that GAs acts as a physiological regulator in the regulation of carbohydrate,protein,and lipids accumulation in developing seeds of Brassica *** was found that the oil and total sugar content of seeds increased by 4.70%and 6.77%,and the crude protein content decreased by 3.18%in the samples treated with GA at 15 DAF (days after flower);the total sugar content increased by 4.10%,and the crude protein content decreased by 5.77%treated with GA3.at 2. DAF;the crude protein and total sugar content increased by 5.85%and 5.04%treated with GA3.at 3.DAF.Q-PCR analysis results showed the transcription levels of three transcription factors(LEC1,LEC2.and WRI), sucrose transporter SUC2.and key oil-synthesis gene DGAT were upregulated in response to GA at 15DAF,and the transcription factor ABB,ABI5,and storage protein gene Napin were downregulated in GA-treated samples at 2.DAF,while upregulated at 3.DAF,which consistent with the reserve accumulation *** results indicated that the effect of GAs on the reserve accumulation may be due to the altered lipid,protein,sugar metabolism related gene expression.

关键词： Gibberellins reserve accumulation gene expression Seed Maturing Brassica napuss

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水产学报 2006年第6期30卷 837-842页

作者：肖调义唐湘北章怀云张学文苏建明陈开健湖南农业大学动物科技学院湖南农业大学动物科技学院湖南长沙41012. 湖南省畜牧水产局湖南长沙410006 中南林业科技大学湖南长沙410081

The Hu-IFN-αgene,which was transducted into downstream promoter of β-actin gene of common carp（Cyprinus carpio）,was recombined by DNA recombination *** recombined genes were injected into 1-2.cell fertilized eggs of grass carp（Ctenophatyngodon idellus） by micro-injection technology,we gained transgenetic fish by molecular detection *** order to analyse the genetic expression of tran-Hu-IFN-α gene gynogensis F1,which male individualization were gained by raising methyl-testosterone,molecular genetic marker technology was *** our research,3. random primers were picked out from 48 and were used into RAPD-PCR,the result indicated that 1 169 clear,steady and repeated DNA finger printing bands were *** the basis of gentic distance matrix among tran-Hu-IFN-α gene gynogenesis F1 group,the genetic relationship of gynogenesis F1 were analysed by UPGMA,the results showed the genetic patterns are close between the 3. male gynogenesis F1 and the the 2.# female of gynogenesis F1,5# and 2.#,2. and 2.#,2. and 3.#.The data indicated that these group could be served as parent of tran-Hu-IFN-α grass carp（Ctenophatyngodon idellus） pure line.

关键词：转基因草鱼 Hu-IFN-α基因雌核发育遗传配型 RAPD

拟南芥、荠菜DREB1A基因的克隆与植物表达载体的构建

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生物技术通报 2008年第4期24卷 99-103页

作者：杜洪伟陈芬肖国樱中国科学院亚热带农业生态研究所

用PCR方法从拟南芥和荠菜中分别克隆了DREB1A基因。序列分析发现从拟南芥中克隆的AtDREB1A基因与已发表的AtDREB1A基因序列(DQ3.2.3.)的同源性为99.69%,首次从荠菜中克隆的CbDREB1A基因序列(EF156749)与DQ3.2.3.的同源性为99.54%。利用... 详细信息

用PCR方法从拟南芥和荠菜中分别克隆了DREB1A基因。序列分析发现从拟南芥中克隆的AtDREB1A基因与已发表的AtDREB1A基因序列(DQ3.2.3.)的同源性为99.69%,首次从荠菜中克隆的CbDREB1A基因序列(EF156749)与DQ3.2.3.的同源性为99.54%。利用这两个基因分别构建了两个诱导表达载体(prd2.A/AtDREB1A,prd2.A/CbDREB1A)和两个组成型表达载体(pCaMV3.S/AtDREB1A,pCaMV3.S/CbDREB1A),以便进一步开展植物抗旱基因工程研究。

关键词： DREB1A基因拟南芥荠菜基因克隆表达载体构建