CCPortal

浏览/检索结果: 共3条,第1-3条 帮助

已选(0)清除 条数/页:   排序方式:
Topographic variation in tree group and gap structure in Sierra Nevada mixed-conifer forests with active fire regimes 期刊论文
, 2020, 卷号: 472
作者:  Ng J.;  North M.P.;  Arditti A.J.;  Cooper M.R.;  Lutz J.A.
收藏  |  浏览/下载:23/0  |  提交时间:2020/07/28
Fires  Topography  Ecological characteristics  Forest structure  Forest treatment  Sierra Nevada mixed conifers  Species composition  Thinning treatment  Topographic positions  Topographic slope  Forestry  coniferous forest  ecosystem resilience  heterogeneity  overstory  shade tolerance  spatial analysis  stand structure  thinning  topographic effect  wildfire  Clumps  Fires  Forestry  Forests  Patterns  Resilience  Topography  Trees  Sierra Nevada  Coniferophyta  
Response of wildlife to bush thinning on the north central freehold farmlands of Namibia 期刊论文
, 2020, 卷号: 473
作者:  Nghikembua M.T.;  Marker L.L.;  Brewer B.;  Mehtätalo L.;  Appiah M.;  Pappinen A.
收藏  |  浏览/下载:25/0  |  提交时间:2020/07/28
Agricultural robots  Biodiversity  Ecosystems  Farms  Forestry  Restoration  Activity patterns  Bush encroachment  Farmland ecosystem  National economy  Restoration measures  Thinning treatment  Vegetation structure  Wildlife habitats  Animals  agricultural land  biodiversity  environmental management  predation risk  restoration ecology  trap (equipment)  vegetation structure  wild population  Namibia  Animalia  Ungulata  
Assessing the effects of thinning on stem growth allocation of individual Scots pine trees 期刊论文
, 2020, 卷号: 474
作者:  Saarinen N.;  Kankare V.;  Yrttimaa T.;  Viljanen N.;  Honkavaara E.;  Holopainen M.;  Hyyppä J.;  Huuskonen S.;  Hynynen J.;  Vastaranta M.
收藏  |  浏览/下载:25/0  |  提交时间:2020/07/28
Antennas  Ecology  Image reconstruction  Mechanical variables measurement  Plants (botany)  Seebeck effect  Surveying instruments  Unmanned aerial vehicles (UAV)  Diameter-at-breast heights  Effects of thinning  Growing conditions  Quantitative assessments  Terrestrial laser scanning  Thinning intensity  Thinning treatment  Threedimensional (3-d)  Forestry  biomass allocation  boreal forest  forest management  growth  morphology  pine  stem  thinning  unmanned vehicle  Ecology  Forestry  Growth  Pinus Sylvestris  Shape  Thinning  Trees  Pinus sylvestris