Elsevier BV

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Fujian cypress and two other threatened tree species in three conservation zones of a nature reserve in north-western Vietnam
Elsevier BV - Tập 4 - Trang 1-11 - 2017
Thi Hoa Hong Dao, Dirk Hölscher
Fujian cypress (Fokienia hodginsii) is a highly valued but endangered tree species. The Ta Xua Nature Reserve in Vietnam is one of its main conservation centers. This nature reserve consists of a fully protected core zone, a buffer zone in which low intensity forest use is permitted, and a forest restoration zone in which forest regenerates after shifting cultivation. The community and population ... hiện toàn bộ
Development and evaluation of an individual tree growth and yield model for the mixed species forest of the Adirondacks Region of New York, USA
Elsevier BV - Tập 3 - Trang 1-17 - 2016
Aaron Weiskittel, Christian Kuehne, John Paul McTague, Mike Oppenheimer
Growth and yield models are important tools for forest planning. Due to its geographic location, topology, and history of management, the forests of the Adirondacks Region of New York are unique and complex. However, only a relatively limited number of growth and yield models have been developed and/or can be reasonably extended to this region currently. In this analysis, 571 long–term continuous ... hiện toàn bộ
Effects of local neighbourhood diversity on crown structure and productivity of individual trees in mature mixed-species forests
Elsevier BV - Tập 8 - Trang 1-12 - 2021
Louis Georgi, Matthias Kunz, Andreas Fichtner, Karl Friedrich Reich, Anne Bienert, Hans-Gerd Maas, Goddert von Oheimb
Species-specific genotypic features, local neighbourhood interactions and resource supply strongly influence the tree stature and growth rate. In mixed-species forests, diversity-mediated biomass allocation has been suggested to be a fundamental mechanism underlying the positive biodiversity-productivity relationships. Empirical evidence, however, is rare about the impact of local neighbourhood di... hiện toàn bộ
Nâng cao mô phỏng lưu lượng carbon và nước bằng cách đồng bộ hóa nhiệt độ và độ ẩm đất nhiều lớp vào mô hình sinh hóa học dựa trên quy trình Dịch bởi AI
Elsevier BV - Tập 6 - Trang 1-15 - 2019
Min Yan, Zengyuan Li, Xin Tian, Li Zhang, Yu Zhou
Nhiệt độ và độ ẩm đất là các chỉ báo nhạy cảm trong quá trình phân hủy chất hữu cơ trong đất vì chúng kiểm soát chu trình carbon và nước toàn cầu cũng như phản hồi tiềm năng của chúng đối với biến đổi khí hậu. Mặc dù mô hình Biome-Biogeochemical Cycles (Biome-BGC) được áp dụng rộng rãi trong việc mô phỏng lưu lượng carbon và nước của rừng, nhưng mô-đun đất một lớp của nó không thể đại diện cho sự ... hiện toàn bộ
#nhiệt độ đất #độ ẩm đất #mô hình sinh hóa học #mô phỏng lưu lượng carbon #mô phỏng lưu lượng nước #Biome-BGC #Biome-BGC MuSo #đồng bộ hóa #biến đổi khí hậu
Innovative deep learning artificial intelligence applications for predicting relationships between individual tree height and diameter at breast height
Elsevier BV - Tập 7 - Trang 1-18 - 2020
İlker Ercanlı
Deep Learning Algorithms (DLA) have become prominent as an application of Artificial Intelligence (AI) Techniques since 2010. This paper introduces the DLA to predict the relationships between individual tree height (ITH) and the diameter at breast height (DBH). A set of 2024 pairs of individual height and diameter at breast height measurements, originating from 150 sample plots located in stands ... hiện toàn bộ
Regeneration patterns in Mexican pine-oak forests
Elsevier BV - Tập 6 - Trang 1-12 - 2019
Teresa Alfaro Reyna, Jordi Martínez-Vilalta, Javier Retana
Global change is causing an increase in the incidence of natural and anthropogenic disturbances on forests, which frequently interact synergistically and promote changes in forest structure, composition and functioning. In this study we evaluate the regeneration of Pinaceae and Fagaceae species in pure and mixed stands in Mexico to determine if current regeneration patterns are indicative of chang... hiện toàn bộ
Remote sensing of subtropical tree diversity: The underappreciated roles of the practical definition of forest canopy and phenological variation
Elsevier BV - Tập 10 - Trang 100122 - 2023
Yongchao Liu, Ruyun Zhang, Chen-Feng Lin, Zhaochen Zhang, Ran Zhang, Kankan Shang, Mingshui Zhao, Jingyue Huang, Xiaoning Wang, You Li, Yulin Zeng, Yun-Peng Zhao, Jian Zhang, Dingliang Xing
Susceptible conditions for debarking by deer in subalpine coniferous forests in central Japan
Elsevier BV - Tập 2 - Trang 1-7 - 2015
Hayato Iijima, Takuo Nagaike
Recently, deer have expanded their distribution to higher altitude ranges including subalpine forests. However, culling deer and construction of deer fence in subalpine forests are difficult because of steep slopes and complex topography. Thus it is necessary to clarify the factors which are associated with debarking by deer for the effective protection of subalpine forests. In this study, we exam... hiện toàn bộ
Seed production, seed dispersal and seedling establishment of two afromontane tree species in and around a church forest: implications for forest restoration
Elsevier BV - - 2016
Abrham Abiyu, Demel Teketay, Gerhard Glatzel, Georg Gratzer
Wood substitution potential in greenhouse gas emission reduction–review on current state and application of displacement factors
Elsevier BV - Tập 8 - Trang 1-18 - 2021
Tanja Myllyviita, Sampo Soimakallio, Jáchym Judl, Jyri Seppälä
Replacing non-renewable materials and energy with wood offers a potential strategy to mitigate climate change if the net emissions of ecosystem and technosystem are reduced in a considered time period. Displacement factors (DFs) describe an emission reduction for a wood-based product or fuel which is used in place of a non-wood alternative. The aims of this review were to map and assess DFs from s... hiện toàn bộ
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