CCPortal

浏览/检索结果: 共27条,第1-10条 帮助

已选(0)清除 条数/页:   排序方式:
Assessing structural changes at the forest edge using kernel density estimation 期刊论文
, 2020, 卷号: 456
作者:  Wang Z.;  Ginzler C.;  Waser L.T.
收藏  |  浏览/下载:27/0  |  提交时间:2020/07/28
Ecosystems  Information management  Laser applications  Remote sensing  Statistics  Airborne Laser scanning  Automatic quantification  Forest edge  Height distribution  Kernel Density Estimation  Remote sensing data  Structural diversity  Vertical structures  Forestry  assessment method  estimation method  forest ecosystem  forest edge  forest management  laser method  mixed farming  mixed forest  temperate forest  Area  Data  Density  Ecosystems  Edges  Forestry  Remote Sensing  Statistics  Eastern Europe  
Livestock and kangaroo grazing have little effect on biomass and fuel hazard in semi-arid woodlands 期刊论文
, 2020, 卷号: 467
作者:  Travers S.K.;  Eldridge D.J.;  Koen T.B.;  Val J.;  Oliver I.
收藏  |  浏览/下载:21/0  |  提交时间:2020/07/28
Agriculture  Biomass  Fuels  Information management  Logistic regression  Rain  Vegetation  Above ground biomass  Biomass compositions  Effects of rainfalls  Fuel hazard ratings  Management practices  Ordinal logistic regression  Practical solutions  Rainfall condition  Biohazards  aboveground biomass  community structure  connectivity  grazing  hazard assessment  lagomorph  litter  livestock  management practice  plant community  semiarid region  ungulate  vegetation dynamics  woodland  Agriculture  Animals  Biomass  Fuels  Plants  Rain  Surfaces  Australia  Bos  Oryctolagus cuniculus  Ovis aries  
Exploring the use of learning techniques for relating the site index of radiata pine stands with climate, soil and physiography 期刊论文
, 2020, 卷号: 458
作者:  González-Rodríguez M.A.;  Diéguez-Aranda U.
收藏  |  浏览/下载:21/0  |  提交时间:2020/07/28
Climate change  Information management  Learning algorithms  Learning systems  Least squares approximations  Machine learning  Regression analysis  Environmental uncertainty  Multivariate adaptive regression splines  Partial least square (PLS)  Pinus radiata  Site index  Stand growth  Statistical learning techniques  Sustainable forest management  Forestry  climate change  coniferous tree  forest management  growth modeling  machine learning  site index  statistical analysis  uncertainty analysis  Forestry  Models  Pinus Radiata  Regression Analysis  Site Index  Sustainable Forest Management  Techniques  Galicia [Spain]  La Coruna [Galicia]  Santiago de Compostela  Spain  Pinus radiata  Radiata  
How much boreal lake shoreline is burned by wildfire? Implications for emulating natural disturbance in riparian forest management 期刊论文
, 2020, 卷号: 473
作者:  Newaz M.S.;  Mackereth R.W.;  Mallik A.U.;  McCormick D.
收藏  |  浏览/下载:14/0  |  提交时间:2020/07/28
Catchments  Fires  Geographic information systems  Lakes  Vegetation  Biogeochemical controls  Forest management planning  Hydrological connectivity  Natural disturbance  Riparian forest management  Topographical features  Vegetation management  Vegetation pattern  Forestry  
Drought effects on carbon dynamics of trees in a secondary Atlantic Forest 期刊论文
, 2020, 卷号: 465
作者:  Rocha S.J.S.S.D.;  Torres C.M.M.E.;  Villanova P.H.;  Schettini B.L.S.;  Jacovine L.A.G.;  Leite H.G.;  Gelcer E.M.;  Reis L.P.;  Neves K.M.;  Comini I.B.;  Silva L.F.D.
收藏  |  浏览/下载:36/0  |  提交时间:2020/07/28
Agricultural robots  Carbon  Climate change  Drought  Dynamics  Extreme weather  Logistic regression  Magnesium compounds  Population statistics  Risk assessment  Weather information services  Brazil  Correlation coefficient  Diameter-at-breast heights  Extreme weather events  Historical weather datum  Preservation strategies  Structure and dynamics  Tropical forest  Forestry  climate change  drought  extreme event  forest management  global climate  mortality  pioneer species  secondary forest  tree  tropical forest  Brazil  Carbon  Drought  Dynamics  Magnesium Compounds  Risk Assessment  Atlantic Forest  Brazil  
How structural diversity affects Norway spruce crown characteristics 期刊论文
, 2020, 卷号: 461
作者:  Bianchi S.;  Siipilehto J.;  Hynynen J.
收藏  |  浏览/下载:27/0  |  提交时间:2020/07/28
Fading (radio)  Information management  Plants (botany)  Statistical methods  Timber  Asymmetric competition  Continuous cover forestries  Leave-one-out cross validations  Management systems  Mean absolute percentage error  Picea Abies (L.) Karst  Repeated measurements  Structural diversity  Forestry  coniferous tree  data set  forest management  hexachlorobenzene  model validation  Characteristics  Forestry  Management  Models  Picea Abies  Statistical Methods  Trees  Finland  Picea abies  
Evaluating tropical forest classification and field sampling stratification from lidar to reduce effort and enable landscape monitoring 期刊论文
, 2020, 卷号: 457
作者:  Papa D.D.A.;  Almeida D.R.A.D.;  Silva C.A.;  Figueiredo E.O.;  Stark S.C.;  Valbuena R.;  Rodriguez L.C.E.;  d' Oliveira M.V.N.
收藏  |  浏览/下载:29/0  |  提交时间:2020/07/28
Biodiversity  Cluster analysis  Cost reduction  Laser applications  Optical radar  Principal component analysis  Remote sensing  Satellite imagery  Small satellites  Tropics  Vegetation  Airborne laser scanners  Amazon  Leaf area  Leaf Area Index  Remote sensing techniques  Satellite optical imagery  Terrain characterization  Three-dimensional information  Forestry  bamboo  biodiversity  canopy  cluster analysis  feasibility study  forest management  leaf area index  sampling  stratification  tropical forest  vegetation structure  Biodiversity  Cost Control  Forestry  Plants  Remote Sensing  Tropics  Amazonia  
Promoting biosecurity by professionalizing biosecurity A credential system could improve policy and practice 期刊论文
, 2020, 卷号: 367, 期号: 6480
作者:  Moritz R.L.;  Berger K.M.;  Owen B.R.;  Gillum D.R.
收藏  |  浏览/下载:21/0  |  提交时间:2020/07/28
toxin  biosafety  credit provision  economic analysis  policy implementation  policy making  2019 novel coronavirus  accreditation  Article  biomedicine  biosafety  biotechnology  computer security  Coronavirinae  cyberattack  documentation  Ebolavirus  health hazard  human  infectious agent  information security  information system  interdisciplinary research  knowledge  material control and accountability  medical practice  microorganism  personal security  personnel suitability  physical security  policy  priority journal  professional competence  professional practice  professional standard  program management  protocol compliance  public health  risk management  Severe acute respiratory syndrome coronavirus 2  skill  stakeholder engagement  synthetic biology  threat  transport security  
Small scale variability in soil moisture drives infection of vulnerable juniper populations by invasive forest pathogen 期刊论文
, 2020, 卷号: 473
作者:  Donald F.;  Green S.;  Searle K.;  Cunniffe N.J.;  Purse B.V.
收藏  |  浏览/下载:30/0  |  提交时间:2020/07/28
Biodiversity  Conservation  Digital storage  Groundwater  Pathogens  Plants (botany)  Reforestation  Water content  Conservation strategies  Deviance information criterion  Disease management strategies  Environmental gradient  Natural regeneration  Small scale variability  Vascular plant species  Volumetric water content  Soil moisture  biodiversity  dicotyledon  disease incidence  infectious disease  invasive species  mortality  Northern Hemisphere  pathogen  soil moisture  spatial distribution  symptom  vascular plant  vulnerability  Biodiversity  Conservation  Moisture Content  Natural Reforestation  Pathogens  Argentina  England  Scotland  United Kingdom  Austrocedrus chilensis  Cervus elaphus  Cupressus  Juniperus  Juniperus communis  Phytophthora  Tracheophyta  
Structural variation of forest edges across Europe 期刊论文
, 2020, 卷号: 462
作者:  Meeussen C.;  Govaert S.;  Vanneste T.;  Calders K.;  Bollmann K.;  Brunet J.;  Cousins S.A.O.;  Diekmann M.;  Graae B.J.;  Hedwall P.-O.;  Krishna Moorthy S.M.;  Iacopetti G.;  Lenoir J.;  Lindmo S.;  Orczewska A.;  Ponette Q.;  Plue J.;  Selvi F.;  Spicher F.;  Tolosano M.;  Verbeeck H.;  Verheyen K.;  Vangansbeke P.;  De Frenne P.
收藏  |  浏览/下载:50/0  |  提交时间:2020/07/28
Biodiversity  Plants (botany)  Environmental conditions  Interactive effect  Limited information  Mean annual temperatures  Structural diversity  Structural variability  Structural variations  Terrestrial laser scanning  Forestry  biodiversity  community composition  environmental conditions  forest edge  forest inventory  land cover  landscape  microclimate  Area  Biodiversity  Distance  Edges  Forestry  Height  Humidity  Management  Europe