|
已选(0)清除
条数/页： 排序方式： |
| Emissions Gap Report 2020 科技报告
, 2020
作者: [unavailable]
 Adobe PDF(10136Kb) |  收藏 | 浏览/下载：4/0 | 提交时间：2021/11/24 |
| Podcast: Songs of the Arches (with Helicopters) 科技资讯
2020
 收藏 | 浏览/下载：34/0 | 提交时间：2020/11/24 |
| Where to find structural grade timber: A case study in ponderosa pine based on stand and tree level factors 期刊论文
, 2020, 卷号: 459
作者: Caballé G.; Santaclara O.; Diez J.P.; Letourneau F.; Merlo E.; Meier A.M.
收藏 | 浏览/下载：28/0 | 提交时间：2020/07/28
Acoustic measuring instruments Acoustic wave velocity Environmental regulations Stiffness Cross correlations Dynamic modulus of elasticity Independent trees Independent variables Microfibril angles Predictive modeling Site index Slenderness Forestry acoustic method basal area coniferous tree correlation environmental conditions estimation method forestry production site index stand structure Dynamic Tests Elastic Strength Environmental Regulations Forestry Site Index Stiffness Tree Dimensions Variables Argentina Patagonia Pinus ponderosa |
| 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：23/0 | 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 |
| Effects of competition, age and climate on tree slenderness of Chinese fir plantations in southern China 期刊论文
, 2020, 卷号: 458
作者: Zhang X.; Wang H.; Chhin S.; Zhang J.
收藏 | 浏览/下载：40/0 | 提交时间：2020/07/28
Climate change Biotic variables Chinese fir Climate Tree slenderness coefficient Tree stability Forestry basal area biotic factor climate change coniferous tree data set plantation forestry spacing Abies China Chinese Damage Forestry Spacing Trees Variables China Cunninghamia lanceolata |
| Role of thinning intensity in creating mixed hardwood and conifer forests within a Cryptomeria japonica conifer plantation: A 14-year study 期刊论文
Forest Ecology and Management, 2020, 卷号: 468
作者: Negishi Y.; Eto Y.; Hishita M.; Negishi S.; Suzuki M.; Masaka K.; Seiwa K.
收藏 | 浏览/下载：24/0 | 提交时间：2020/12/08 |
| Effects of competition, age and climate on tree slenderness of Chinese fir plantations in southern China 期刊论文
Forest Ecology and Management, 2020, 卷号: 458
作者: Zhang X.; Wang H.; Chhin S.; Zhang J.
收藏 | 浏览/下载：15/0 | 提交时间：2020/12/08 |
| Assessing the effects of thinning on stem growth allocation of individual Scots pine trees 期刊论文
Forest Ecology and Management, 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：24/0 | 提交时间：2020/12/08 |
| Where to find structural grade timber: A case study in ponderosa pine based on stand and tree level factors 期刊论文
Forest Ecology and Management, 2020, 卷号: 459
作者: Caballé G.; Santaclara O.; Diez J.P.; Letourneau F.; Merlo E.; Meier A.M.
收藏 | 浏览/下载：8/0 | 提交时间：2020/12/08 |
| The Ocean as a Solution for Climate Change-Five Opportunities for Action 科技报告
, 2019
作者: [unavailable]
Adobe PDF(5910Kb) | 收藏 | 浏览/下载：2/1 | 提交时间：2021/11/24 |
