CCPortal

浏览/检索结果: 共5条,第1-5条 帮助

已选(0)清除 条数/页:   排序方式:
Drought disaster risk management based on optimal allocation of water resources 期刊论文
Natural Hazards, 2021, 卷号: 108, 期号: 1
作者:  Liu X.;  Guo P.;  Tan Q.;  Zhang F.;  Huang Y.;  Wang Y.
收藏  |  浏览/下载:29/0  |  提交时间:2021/09/01
Drought risk disaster assessment  Drought risk disaster management  Grain yield  Stochastic method  
Elucidating the importance of semi-volatile organic compounds to secondary organic aerosol formation at a regional site during the EXPLORE-YRD campaign 期刊论文
ATMOSPHERIC ENVIRONMENT, 2021, 卷号: 246
作者:  Yu Y.;  Wang H.;  Wang T.;  Song K.;  Tan T.;  Wan Z.;  Gao Y.;  Dong H.;  Chen S.;  Zeng L.;  Hu M.;  Wang H.;  Lou S.;  Zhu W.;  Guo S.
收藏  |  浏览/下载:52/0  |  提交时间:2022/01/18
EC tracer Method  Secondary organic aerosol  Semi-volatile organic compounds  Yield method  
Density and growth of forest stands revisited. Effect of the temporal scale of observation, site quality, and thinning 期刊论文
, 2020, 卷号: 460
作者:  Pretzsch H.
收藏  |  浏览/下载:42/0  |  提交时间:2020/07/28
Plants (botany)  Allometrics  Diameter growth  Growth loss  Long-term experiments  Norway spruce  Short term  Thinning response  Forestry  crop plant  crop yield  forest ecosystem  growth  management practice  observational method  population ecology  silviculture  site selection  stand structure  tree  Diameter  Experimentation  Forestry  Growth  Picea Abies  Stand Density  Thinning  Yield  Germany  Picea abies  
Nonlinear mixed-effects height to crown base model based on both airborne LiDAR and field datasets for Picea crassifolia Kom trees in northwest China 期刊论文
, 2020, 卷号: 474
作者:  Yang Z.;  Liu Q.;  Luo P.;  Ye Q.;  Sharma R.P.;  Duan G.;  Zhang H.;  Fu L.
收藏  |  浏览/下载:37/0  |  提交时间:2020/07/28
Calibration  Forecasting  Optical radar  Random processes  Remote sensing  Best linear unbiased predictions  Diameter-at-breast heights  Field-based measurements  Forest growth and yield  Initiation and propagation  Light detection and ranging  Nonlinear mixed effects  Prediction accuracy  Forestry  accuracy assessment  airborne survey  canopy architecture  data set  deciduous forest  field method  forestry modeling  height determination  lidar  nonlinearity  yield response  Accuracy  Calibration  Forecasts  Forestry  Random Processes  Remote Sensing  Tree Dimensions  Trees  China  Gansu  Picea crassifolia  
Estimation of yield gains at rotation-age from genetic tree improvement in coast Douglas-fir 期刊论文
, 2020, 卷号: 466
作者:  Joo S.;  Maguire D.A.;  Jayawickrama K.J.S.;  Ye T.Z.;  St. Clair J.B.
收藏  |  浏览/下载:54/0  |  提交时间:2020/07/28
Crops  Rotation  Coastal Douglas-fir  Genetic gain  Genetic improvement effects  Genetic improvements  Growth modeling  Reliable estimates  Simulation approach  Tree improvement  Forestry  breeding  coniferous tree  crop improvement  crop rotation  crop yield  economic analysis  estimation method  facilitation  growth rate  modeling  silviculture  stand structure  Oregon  United States  Picea abies  Picea glauca  Pinus sylvestris  Pseudotsuga  Pseudotsuga menziesii  Pseudotsuga menziesii var. menziesii  Tsuga heterophylla