Results 11 to 20 of about 20,742,811 (257)

National Forest Inventory of Brazil. [PDF]

, 2022
Historical Overview of National Forest Inventories in Brazil; Terms and definitions relevant to the National Forest Inventory; Sampling design; Samplng unit design; Forest area, biomass and volume estimates; Partial results of the first cycle: forest ...
PINHO, G. S. C. de, MESQUITA JUNIOR, H. N. de, BRENA, D. A., OLIVEIRA, Y. M. M. de, FREITAS, J. V. de, LEÃO, R. A., MATTOS, P. P. de   +6 more
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Effects of traditional harvest and burning on common camas (Camassia quamash) abundance in Northern Idaho: The potential for traditional resource management in a protected area wetland

Ecology and Evolution, 2021
The bulbs of common camas (Camassia quamash) were a staple food of Indigenous Peoples of western North America for millennia. Camas harvesting site productivity was encouraged through intense management.
Devin S. Stucki, Thomas J. Rodhouse, Ron J. Reuter   +2 more
doaj   +1 more source

Longitudinal height-diameter curves for Norway spruce, Scots pine and silver birch in Norway based on shape constraint additive regression models

Forest Ecosystems, 2018
Background Generalized height-diameter curves based on a re-parameterized version of the Korf function for Norway spruce (Picea abies (L.) Karst.), Scots pine (Pinus sylvestris L.) and silver birch (Betula pendula Roth) in Norway are presented.
Matthias Schmidt, Johannes Breidenbach, Rasmus Astrup   +2 more
doaj   +1 more source

Site classification vs. wood production: a case study based on Silver fir growth dynamics in the Western Carpathians

Journal of Forest Science, 2011
We analysed wood production on an example of Silver fir growth ability within site units defined in the site classification that is currently used in the Western Carpathians.
M. Bošeľa, R. Petráš, Š. Šmelko
doaj   +1 more source

Geographical spatial distribution and productivity dynamic change of eucalyptus plantations in China

Scientific Reports, 2021
The Eucalyptus spp. is fast-growing and is usually harvested at a young age, which enables efficient and sufficient timber supply. However, its negative impact on soil fertility incurs wide debates.
YuXing Zhang, XueJun Wang
doaj   +1 more source

Historical forest biomass dynamics modelled with Landsat spectral trajectories [PDF]

, 2014
Acknowledgements National Forest Inventory data are available online, provided by Ministerio de Agricultura, Alimentación y Medio Ambiente (España).
White, Joanne C., Alejandro, Pablo, Gomez, Cristina, Wulder, Michael A.   +3 more
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National Forest Ecosystem Inventory System of China: Methodology and Applications

, 2020
The technical framework of China’s Forest Ecosystem Inventory System (CFEIS) was recently developed based on ecological indicators assessed continuously in the field at forest ecosystem research stations and China’s Forest Resource Inventory (
Xiang Niu, Wenjun Wei, Bing Wang
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Comparison of Canopy Cover and Leaf Area Index Estimation from Airborne LiDAR and Digital Aerial Photogrammetry in Tropical Forests

Applied Sciences, 2022
Digital aerial photogrammetry (DAP) has emerged as an alternative to airborne laser scanning (ALS) for forest inventory applications, as it offers a low-cost and flexible three-dimensional (3D) point cloud.
Chenyun Li, Yanfeng Zheng, Xinjie Zhang, Fayun Wu, Linyuan Li, Jingyi Jiang   +5 more
doaj   +1 more source

The establishment of national park system: A new milestone for the field of nature conservation in China

International Journal of Geoheritage and Parks, 2020
National park is one of the most significant natural protected areas. It takes ecological environment, natural resources protection and moderate tourism development as the basic strategy, and realizes effective protection in a large range through ...
Xiaoping Tang
doaj   +1 more source

Identifying Tree-Related Microhabitats in TLS Point Clouds Using Machine Learning

Remote Sensing, 2018
Tree-related microhabitats (TreMs) play an important role in maintaining forest biodiversity and have recently received more attention in ecosystem conservation, forest management and research.
Nataliia Rehush, Meinrad Abegg, Lars T. Waser, Urs-Beat Brändli   +3 more
doaj   +1 more source