CCPortal

浏览/检索结果: 共20条,第1-10条 帮助

已选(0)清除 条数/页:   排序方式:
Silvicultural treatment effects on commercial timber volume and functional composition of a selectively logged Australian tropical forest over 48 years 期刊论文
, 2020, 卷号: 457
作者:  Hu J.;  Herbohn J.;  Chazdon R.L.;  Baynes J.;  Vanclay J.
收藏  |  浏览/下载:27/0  |  提交时间:2020/07/28
Biodiversity  Economic and social effects  Functional groups  Growth (materials)  Hardwoods  Reforestation  Timber  Tropics  Functional compositions  Silvicultural treatments  Species composition  Thinning  Timber stocks  Tropical forest  Tropical forest management  Wood density  Logging (forestry)  biodiversity  biomass  forest cover  forest management  forestry production  growth  selective logging  silviculture  thinning  timber  trade-off  tree  tropical forest  wood  Biodiversity  Functional Groups  Hardwoods  Reforestation  Thinning  Tropics  Australia  
Growth and resource allocation of juvenile European beech and sycamore maple along light availability gradients in uneven-aged forests 期刊论文
, 2020, 卷号: 474
作者:  Brüllhardt M.;  Rotach P.;  Bigler C.;  Nötzli M.;  Bugmann H.
收藏  |  浏览/下载:28/0  |  提交时间:2020/07/28
Ecosystems  Mean square error  Strategic planning  Continuous cover forestries  European beech (fagus sylvatica l.)  Height-to-diameter ratio  Light transmittance  Linear mixed-effects model  Morphological response  Root mean square errors  Sustainable provision  Reforestation  basal area  competitive ability  deciduous tree  forest inventory  forest management  growth rate  juvenile  light availability  regrowth  resource allocation  shade tolerance  silviculture  stand structure  understory  Acer Pseudoplatanus  Ecosystems  Fagus Sylvatica  Height  Reforestation  Secondary Growth  Transmittance  Acer pseudoplatanus  Fagus  Fagus sylvatica  
Detecting and modelling alien tree presence using Sentinel-2 satellite imagery in Chile's temperate forests 期刊论文
, 2020, 卷号: 474
作者:  Martin-Gallego P.;  Aplin P.;  Marston C.;  Altamirano A.;  Pauchard A.
收藏  |  浏览/下载:40/0  |  提交时间:2020/07/28
Biodiversity  Conservation  Decision trees  Environmental protection  Random forests  Remote sensing  Satellite imagery  Araucaria araucana  Biological invasion  Classification accuracy  Fragmentation analysis  Fragmented landscapes  Landscape structures  Remote sensing approaches  Temperate forests  Forestry  biodiversity  coniferous tree  detection method  ecological modeling  introduced species  land cover  protected area  satellite imagery  Sentinel  temperate forest  Area  Averages  Biodiversity  Conservation  Coverings  Forestry  Remote Sensing  Trees  Araucania  Chile  Malalcahuello National Reserve  Villarrica National Park  Araucaria araucana  
Cut or keep: What should a forest owner do after a windthrow? 期刊论文
, 2020, 卷号: 461
作者:  Petucco C.;  Andrés-Domenech P.;  Duband L.
收藏  |  浏览/下载:31/0  |  提交时间:2020/07/28
Risks  Faustmann  Land expectation value  Optimal rotations  Pine  Plantation  Windthrows  Forestry  clearcutting  coniferous forest  coniferous tree  coppice  crop rotation  forestry production  land cover  optimization  plantation forestry  windthrow  Age  Forestry  Maturity  Pinus Pinaster  Probability  Rotation  Trees  France  Pinus pinaster  
Occurrence of ‘blue’ and ‘frost’ rings reveal frost sensitivity of eastern Baltic provenances of Scots pine 期刊论文
, 2020, 卷号: 457
作者:  Matisons R.;  Gärtner H.;  Elferts D.;  Kārkliņa A.;  Adamovičs A.;  Jansons Ā.
收藏  |  浏览/下载:25/0  |  提交时间:2020/07/28
Forestry  Genes  Probability  Vegetation  Wood  Climate extremes  Frost damage  Gene flows  Pinus sylvestris  Quantitative wood anatomy  Frost effects  anatomy  annual variation  coniferous tree  economic impact  frost  gene flow  phenotypic plasticity  provenance  vegetation cover  wood  Forestry  Genes  Pinus Sylvestris  Plants  Probability  Wood  Baltic Region  Latvia  Pinus sylvestris  
Canopy structure and below-canopy temperatures interact to shape seedling response to disturbance in a Rocky Mountain subalpine forest 期刊论文
, 2020, 卷号: 472
作者:  Carlson A.R.;  Sibold J.S.;  Negrón J.F.
收藏  |  浏览/下载:36/0  |  提交时间:2020/07/28
Bayesian networks  Topography  Canopy temperature  Dendroctonus rufipennis  Explanatory variables  Heterogeneous landscapes  Hierarchical Bayesian models  San Juan Mountains  Seedling establishment  Seedling response  Reforestation  beetle  coniferous forest  coniferous tree  disturbance  forest canopy  forest cover  landscape  mortality  overstory  seed dispersal  seedling establishment  subalpine environment  temperature effect  wildfire  Area  Coverings  Patterns  Picea Engelmannii  Reforestation  Seedlings  Sites  Topography  Colorado  Rocky Mountains  San Juan Mountains  United States  Abies  Coleoptera  Coniferophyta  Dendroctonus rufipennis  Picea  Picea engelmannii  
Spatio-temporal invasion dynamics of Maesopsis eminii in Amani Nature Forest Reserve, Tanzania 期刊论文
, 2020, 卷号: 465
作者:  Mwendwa B.A.;  Kaaya O.E.;  Kilawe C.J.;  Treydte A.C.
收藏  |  浏览/下载:226/0  |  提交时间:2020/07/28
Biodiversity  Ecology  Remote sensing  Satellite imagery  Vegetation  Distributional range  Hot spot  Invasive tree  Population structures  Regeneration potential  Reforestation  biodiversity  forest inventory  invasive species  Landsat  livelihood  nature reserve  spatial distribution  spatiotemporal analysis  species diversity  species richness  vegetation cover  Biodiversity  Control Systems  Ecology  Maesopsis  Plants  Reforestation  Remote Sensing  Trees  Tanzania  Maesopsis eminii  
Drought resistance traits predict tree species performance in a humid tropical landscape, but their importance shifts between managed cover types 期刊论文
, 2020, 卷号: 468
作者:  Cifuentes L.;  Moreno Hurtado F.;  Diego León-Peláez J.;  Paz H.
收藏  |  浏览/下载:28/0  |  提交时间:2020/07/28
Agronomy  Carbon  Plants (botany)  Reforestation  Soil moisture  Tropics  Drought resistance  Drought tolerances  Environmental conditions  Functional traits  Interspecific variations  Relative growth rate  Transpiration rates  Water availability  Drought  drought resistance  environmental conditions  forest cover  growth  growth rate  humid tropics  landscape  native species  soil water  survival  tree  tropical region  vegetation cover  Agronomy  Carbon  Drought  Reforestation  Resistance  Survival  Trees  Tropics  
Variation in population densities of the green spruce aphid Elatobium abietinum (Walker) in relation to tree age and forest stand structure 期刊论文
, 2020, 卷号: 464
作者:  Straw N.A.;  Bladon F.M.;  Williams D.T.;  Fielding N.J.
收藏  |  浏览/下载:29/0  |  提交时间:2020/07/28
Climate change  Population dynamics  Population statistics  Timber  Continuous cover forestries  Elatobium abietinum  Insect abundance  Management systems  Picea sitchensis  Plantation forestry  Sitka spruce  Stand structures  Reforestation  abundance  aphid  clearcutting  forest cover  group selection  plantation forestry  population density  stand structure  thinning  tree  Age  Felling  Picea Sitchensis  Reforestation  Selection  Shelterwood  Trees  United Kingdom  Aphididae  Hemiptera  Hexapoda  Picea  Picea sitchensis  
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:28/0  |  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