搜索结果: 1-7 共查到“农学 pine plantations”相关记录7条 . 查询时间(0.102 秒)
Soil Microbial Diversity, Biomass, and Activity in Two Pine Plantations of Southern Italy Treated with Prescribed Burning
Pinus pinea plantation Pinus pinaster plantation prescribed burning microbial biomass microbial activity bacterial genetic diversit
2024/2/26
Microbial diversity plays a crucial role in ecosystem processes, including organic matter decomposition and nutrient cycling. This research explores the effect of prescribed burning (PB) on soil micro...
Comparison of Natural Regeneration in Natural Grassland and Pine Plantations across an Elevational Gradient in the Páramo Ecosystem of Southern Ecuador
Andes species richness vegetation assemblage plant cover natural grassland soil properties
2024/2/29
During the 1980s, reforestation programs using exotic species (Pinus spp.) were established in the páramo ecosystem of Ecuador. The aims of this study were: (1) to compare the natural regeneration bet...
Impact of plot size and model selection on forest biomass estimation using airborne LiDAR: A case study of pine plantations in southern Spain
airborne laser scanning forest inventory regression survey design genetic selection methods
2017/4/6
We explored the usefulness of LiDAR for modelling and mapping the stand biomass of two conifer species in southern Spain. We used three different plot sizes and two statistical approaches (i.e. stepwi...
Conditions conducive to an epidemic of Gremmeniella abietina, European race, in red pine plantations
climatic conditions epidemic Pinus resinosa Scleroderris canker
2015/5/18
In North America, Gremmeniella abietina, European race (GaEU), was reported in 1975. Our objective was to follow the spread of GaEU on red pines growing on flat land and on slope.
Conditions conducive to an epidemic of Gremmeniella abietina,European race,in red pine plantations
climatic conditions epidemic Pinus resinosa Scleroderris canker
2015/5/6
In North America, Gremmeniella abietina, European race (GaEU), was reported in 1975. Our objective was to follow the spread of GaEU on red pines growing on flat land and on slope. Annual height infect...
Crown Ratio and Relative Spacing Relationships for Loblolly Pine Plantations
Loblolly Pine Intensive Culture Planting Density Live Crown Ratio Relative Spacing Index
2013/3/4
Two loblolly pine (Pinus taeda L.) culture/density studies were established in 1995-1998 across the Lower Coastal Plain and Upper Coastal Plain/Piedmont regions of the southern USA. Each installation ...
Profitability of manual brushing in young lodgepole pine plantations
Central Interior of British Columbia internal rate of return manual brushing profitability
2010/8/31
Manual brushing is an important silvicultural tool commonly used to control competing vegetation in young conifer plantations. Yet little is known about the short-term economic benefits of one versus ...