|
已选(0)清除
条数/页： 排序方式： |
| Stream distance and vegetation structure are among the major factors affecting various groups of arthropods in non-riparian chestnut forests 期刊论文
, 2020, 卷号: 460
作者: Albacete S.; Mac Nally R.; Carles-Tolrá M.; Domènech M.; Vives E.; Espadaler X.; Pujadé-Villar J.; Serra A.; Maceda-Veiga A.
  收藏 | 浏览/下载：19/0 | 提交时间：2020/07/28
Antennas Climate change Ecosystems Fruits Rivers Vegetation Arthropods Leaf litter Old-growth trees Streams Tree richness Trophic guilds Understory development Woodlands Forestry abandoned land arthropod climate change conservation management deciduous forest environmental factor guild leaf litter old-growth forest relative abundance species richness stream trophic environment understory vegetation structure wasp woodland Distance Ecosystems Forestry Fruits Plants Rivers Spain Arthropoda |
| Forest management has reduced the structural diversity of residual boreal old-growth forest landscapes in Eastern Canada 期刊论文
, 2020, 卷号: 458
作者: Martin M.; Boucher Y.; Fenton N.J.; Marchand P.; Morin H.
收藏 | 浏览/下载：36/0 | 提交时间：2020/07/28
Antennas Deforestation Ecosystems Harvesting Ecosystem-based management Forest fires Forestry practices Overmature forests Pre-industrial Surveys boreal forest clearcutting forest fire forest management forestry practice harvesting landscape old-growth forest Characteristics Deforestation Ecosystems Forest Fires Forest Management Harvesting Logging Surveys Canada Quebec [Canada] Picea mariana |
| Legacy effects of emerald ash borer on riparian forest vegetation and structure 期刊论文
, 2020, 卷号: 457
作者: Engelken P.J.; Benbow M.E.; McCullough D.G.
收藏 | 浏览/下载：24/0 | 提交时间：2020/07/28
Aerial photography Antennas Debris Gems Plants (botany) Watersheds Emerald ash borer Forest community Forest pest Fraxinus Riparian forests Reforestation basal area beetle canopy gap coarse woody debris community composition forest canopy mortality overstory pest species photosynthetically active radiation riparian forest satellite imagery watershed Air Craft Forests Fraxinus Nigra Gems Reforestation Sites Trees Michigan North America United States Acer rubrum Acer saccharum Agrilus planipennis Buprestidae Carex Coleoptera Fraxinus Fraxinus nigra Fraxinus pennsylvanica Prunus serotina Quercus rubra |
| 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：32/0 | 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 |
| Electric field change and VHF waveforms of Positive Narrow Bipolar Events in Mississippi thunderstorms 期刊论文
, 2020, 卷号: 243
作者: Bandara S.; Marshall T.; Karunarathne S.; Stolzenburg M.
收藏 | 浏览/下载：38/0 | 提交时间：2020/07/28
Antennas Bandwidth Electric fields Average values Electric field change Intracloud flash Narrow bipolar events Peak amplitude Time-differences VHF antennas Waveform characteristics Thunderstorms amplitude electric field lightning sensor thunderstorm waveform analysis Mississippi United States |
| Quantifying the effectiveness of habitat management to counter local extinction: A case-study on capercaillie 期刊论文
, 2020, 卷号: 474
作者: Kämmerle J.-L.; Braunisch V.; Suchant R.; Coppes J.
收藏 | 浏览/下载：31/0 | 提交时间：2020/07/28
Antennas Biodiversity Climate change Conservation Ecosystems Forestry Probability Snow Stereo image processing Structural dynamics Conservation benefits Conservation investments Distribution maps Habitat management Habitat structures Management scenarios Potential effects Potential negative effects Population distribution bird climate change conservation management conservation status habitat management habitat structure image resolution local extinction population decline quantitative analysis Biodiversity Conservation Ecosystems Forestry Probability Snow Germany Coniferophyta Tetrao urogallus Tetraonidae |
| Avian relationships with bark beetle outbreaks and underlying mechanisms in lodgepole pine and spruce-fir forests of Colorado 期刊论文
, 2020, 卷号: 464
作者: Latif Q.S.; Ivan J.S.; Seglund A.E.; Pavlacky D.L.; Truex R.L.
收藏 | 浏览/下载：24/0 | 提交时间：2020/07/28
Antennas Biodiversity Birds Hierarchical systems Population statistics Anthropogenic climate Bird species richness Heterogeneous conditions Hierarchical model Potential difference Spatial dependencies Understory vegetation Wildlife populations Forestry bark beetle biodiversity chronosequence coniferous tree deciduous forest forest management life history population outbreak species richness wildlife management Bark Biodiversity Birds Data Forestry Forests Hierarchical Systems Patterns Colorado United States Abies Abies lasiocarpa Aves Coleoptera Coniferophyta Dendroctonus Picea Picea engelmannii Pinus contorta Scolytinae |
| Predicting and mapping site index in operational forest inventories using bitemporal airborne laser scanner data 期刊论文
, 2020, 卷号: 457
作者: Noordermeer L.; Gobakken T.; Næsset E.; Bollandsås O.M.
收藏 | 浏览/下载：37/0 | 提交时间：2020/07/28
Antennas Forecasting Image resolution Laser applications Mapping Mean square error Productivity Regression analysis Scanning Airborne laser scanners Forest management planning Forest productivity Mapping site index Operational forest inventories Operational practices Root mean squared errors Undisturbed forests Forestry airborne sensor classification forest inventory forest management growth response prediction scanner site index spatial resolution woody plant Forecasts Forestry Mapping Productivity Regression Analysis Scanning Norway Picea abies Pinus sylvestris |
| Retention of large, old trees in alternatives to clearcutting with a comparison of ground- and helicopter-based assessments 期刊论文
, 2020, 卷号: 475
作者: Baker S.C.; Chuter A.; Munks S.A.; Koch A.J.
收藏 | 浏览/下载：21/0 | 提交时间：2020/07/28
Aggregates Animals Antennas Conservation Ecosystems Harvesting Machinery Surveys Aggregated retention Dispersed retention Harvest treatments Retention forestries Silvicultural system Statistical comparisons Tasmania , Australia Threatened species Forestry Aves Metatheria Vertebrata |
| Density-dependent responses of mountain pine beetle to its pheromones and host volatiles in naïve lodgepole pine stands 期刊论文
, 2020, 卷号: 472
作者: Klutsch J.G.; Classens G.; Whitehouse C.; Cahill J.F.; Jr.; Erbilgin N.
收藏 | 浏览/下载：25/0 | 提交时间：2020/07/28
Antennas Biochemistry Hormones Landforms Monoterpenes Population distribution Population dynamics Population statistics Aerial detection Density dependent Lodgepole pine forests Mitigation strategy Monitoring tools Mountain pine beetle Population densities Temporal shifts Forestry aggregation pheromone attractant beetle colonization coniferous forest density dependence host range host selection pheromone population density volatile substance Biochemistry Density Forestry Hormones Monoterpenes Pinus Mugo Release Canada Coleoptera Dendroctonus ponderosae Pinus contorta Pinus mugo Scolytinae |
