CCPortal

浏览/检索结果: 共7条,第1-7条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Understory vegetation responses to simulated mountain pine beetle attack and salvage logging in grey attack stage lodgepole pine stands 期刊论文
, 2020, 卷号: 474
作者:  Steinke J.;  McIntosh A.C.S.;  Schroeder L.;  Macdonald S.E.
收藏  |  浏览/下载:22/0  |  提交时间:2020/07/28
Ecosystems  Multivariant analysis  Vegetation  Lodgepole pine forests  Microclimatic conditions  Mountain pine beetle  Multi variate analysis  Stand-replacing fires  Understory composition  Understory vegetation  Vascular plant richness  Forestry  Coleoptera  Dendroctonus ponderosae  Hexapoda  Pinus contorta  Pinus mugo  Scolytinae  Tracheophyta  
Prey of reintroduced fishers and their habitat relationships in the Cascades Range, Washington 期刊论文
, 2020, 卷号: 460
作者:  Parsons M.A.;  Lewis J.C.;  Pauli J.N.;  Chestnut T.;  Ransom J.I.;  Werntz D.O.;  Prugh L.R.
收藏  |  浏览/下载:29/0  |  提交时间:2020/07/28
Ecosystems  Isotopes  Landforms  Mammals  Multivariant analysis  Recovery  Aplodontia rufa  Habitat use  Heterogeneous forests  Lepus americanus  Pekania pennanti  Prey community  Small mammals  Stable isotopes  Forestry  abundance estimation  dietary intake  food availability  habitat use  lagomorph  multivariate analysis  prey availability  reintroduction  rodent  stable isotope  variance analysis  woodland  Ecosystems  Forestry  Forests  Isotopes  Mammals  Recovery  Specifications  Washington  Cascade Range  Cascade Range  Pacific Northwest  United States  Aplodontia rufa  Aplodontiidae  Lepus americanus  Mammalia  
Integration of principal component analysis and artificial neural network to modeling productive capacity of eucalypt stands from biophysical attributes 期刊论文
, 2020, 卷号: 460
作者:  Dolácio C.J.F.;  Oliveira R.S.;  Nakajima N.Y.;  Tavares Júnior I.D.S.;  Rocha J.E.C.D.;  Ebling Â.A.;  Gama M.A.P.
收藏  |  浏览/下载:26/0  |  提交时间:2020/07/28
Biophysics  Data mining  Forecasting  Forestry  Multivariant analysis  Neural networks  Brazilian Amazon  Forest growth  Multi variate analysis  Potential productivity  Univariate analysis  Principal component analysis  artificial neural network  biophysics  clonal organism  data mining  forestry production  multivariate analysis  plantation forestry  precision  principal component analysis  productivity  stand structure  Analysis  Capacity  Data  Forecasts  Forestry  Neural Networks  Podocarpus Spicatus  Variables  Amazonia  Brazil  Eucalyptus  
Measuring spatial and temporal shifts in forest structure and composition in high elevation beech forests in response to beech bark disease in Great Smoky Mountains National Park 期刊论文
, 2020, 卷号: 461
作者:  Rumble L.;  Taylor G.;  Grinath J.B.;  Morris A.B.
收藏  |  浏览/下载:17/0  |  提交时间:2020/07/28
Multivariant analysis  Beech forest  Fagus grandifolia  Forest community  Long term monitoring  Southern appalachians  Forestry  basal area  forest canopy  multivariate analysis  overstory  pathogen  plant community  spatiotemporal analysis  variance analysis  Bark  Basal Area  Fagus Grandifolia  Forestry  Forests  Mountains  Trees  Great Smoky Mountains National Park  United States  Acer  Betula  Fagus  Fagus grandifolia  Fungi  Hemiptera  
Nitrogen deposition is the most important environmental driver of growth of pure, even-aged and managed European forests 期刊论文
, 2020, 卷号: 458
作者:  Etzold S.;  Ferretti M.;  Reinds G.J.;  Solberg S.;  Gessler A.;  Waldner P.;  Schaub M.;  Simpson D.;  Benham S.;  Hansen K.;  Ingerslev M.;  Jonard M.;  Karlsson P.E.;  Lindroos A.-J.;  Marchetto A.;  Manninger M.;  Meesenburg H.;  Merilä P.;  Nöjd P.;  Rautio P.;  Sanders T.G.M.;  Seidling W.;  Skudnik M.;  Thimonier A.;  Verstraeten A.;  Vesterdal L.;  Vejpustkova M.;  de Vries W.
收藏  |  浏览/下载:40/0  |  提交时间:2020/07/28
Air pollution  Climate change  Climate models  Ecosystems  Multivariant analysis  Nitrogen  Ozone  Continental-scale analysis  Environmental conditions  ICP Forests  Multivariate statistical approaches  Observational study  Potential negative effects  Statistical modelling  Structural equation modelling  Forestry  atmospheric pollution  carbon sequestration  environmental conditions  forest management  growth response  nitrogen  ozone  stand structure  statistical analysis  Air Pollution  Deposition  Ecosystems  Forestry  Forests  Growth  Nitrogen  Ozone  Norway  Fagus  Picea abies  
Bark insulation: Ten Central Alpine tree species compared 期刊论文
, 2020, 卷号: 474
作者:  Bär A.;  Mayr S.
收藏  |  浏览/下载:26/0  |  提交时间:2020/07/28
Deforestation  Fire resistance  Fires  Heat resistance  Histology  Multivariant analysis  Risk perception  Surface structure  Thermal conductivity  Tissue  Alpine regions  Fire disturbance  Fire resistant  Internal tissues  Lethal temperature  Multivariate statistics  Species specifics  Temperature response  Thermal insulation  alpine environment  forest fire  heating  humid environment  moisture content  surface structure  thermal conductivity  tree  wildfire  Deforestation  Fire Resistance  Fires  Histology  Surface Structure  Thermal Conductivity  Alps  Central Alps  
Influences of edaphoclimatic conditions on deep rooting and soil water availability in Brazilian Eucalyptus plantations 期刊论文
, 2020, 卷号: 455
作者:  Evangelista Silva V.;  Nogueira T.A.R.;  Abreu-Junior C.H.;  He Z.;  Buzetti S.;  Laclau J.-P.;  Teixeira Filho M.C.M.;  Grilli E.;  Murgia I.;  Capra G.F.
收藏  |  浏览/下载:19/0  |  提交时间:2020/07/28
Multivariant analysis  Plant life extension  Textures  Deep rooting  Entisols  Eucalyptus urophylla  Oxisols  Soil development  Soil moisture  climate conditions  dicotyledon  Entisol  environmental factor  growth  Inceptisol  Oxisol  root system  sandy soil  soil depth  soil water  water availability  Brazil  Eucalyptus  Eucalyptus urophylla