Search results: 241,314 results (approx.)

1. dynamics of initial spacing on the diameter of hybrid Eucalyptus grandis x Eucalyptus urophylla in a systematic design.

We evaluated the effect of initial spacing on the distribution of Eucalyptus grandis x Eucalyptus urophylla tree diameters in a Nelder wheel design. The study area was in west-central Brazil. A Nelder wheel design with three repetitions was used. This design provides 432 planting spots per...

Author(s) : Lima, M. B. de O.; Nappo, M. E.; Soares, K. L.; Castro, R. V. O.; Miguel, E. P.; Soares, T. S.; Gaspar, R. de O.; Aquino, P. S. R.; Matias, R. A. M.

Publisher : Southern Cross Publishing Group, Brisbane, Australia

Journal article : Australian Journal of Crop Science 2021 Vol.15 No.3 pp.422-430 ref.many

2. Comparison of inter-annual variation in net primary production among three forest types in the same region over 7 years.

Differences in dominant tree species affect ecosystem carbon budgets in forests, but their independent impacts have not been fully recognized. We aimed to clarify the interannual variation in net primary production (NPP) in three different forest types and the effects of dominant tree species on...

Author(s) : Kato, Y.; Tomotsune, M.; Shiote, F.; Koyama, Y.; Koizumi, H.; Yoshitake, S.

Publisher : Taylor & Francis, Abingdon, UK

Journal article : Journal of Forest Research 2021 Vol.26 No.2 pp.110-115 ref.28

3. Assessing the synergistic value of ecosystem services in European beech forests.

Current policy pledges promote the expansion of conservation areas and mixed forests with endemic species . Climate change, however, may undermine these efforts and modify the relationships and benefits related to the ecosystem services provided by forest ecosystems. Hence, managers must account...

Author(s) : Augustynczik, A. L. D.; Yousefpour, R.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Ecosystem Services 2021 Vol.49

4. Modeling impacts of broad-scale plantation forestry on ecosystem services in the past 60 years and for the future.

Although forestry plantations dominate landscapes in many parts of the world, effects of plantation forestry on various ecosystem services (ESs) remain unknown. Here, we modeled 10 forest ESs as functions of forest type (natural forest vs. plantation), stand age, and environmental covariates to...

Author(s) : Yamaura, Y.; Yamada, Y.; Matsuura, T.; Tamai, K.; Taki, H.; Sato, T.; Hashimoto, S.; Murakami, W.; Toda, K.; Saito, H.; Nanko, K.; Ito, E.; Takayama, N.; Tsuzuki, N.; Takahashi, M.; Yamaki, K.; Sano, M.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Ecosystem Services 2021 Vol.49

5. Forest ecosystem services in Romania: orchestrating regulatory and voluntary planning documents.

Romania has traditionally dealt with forest ecosystem services (FES) using a regulatory process of designing forest management plans (FMPs). We set an analytical framework to assess the integrated approach between FMPs, Natura 2000 biodiversity conservation network, and the forest certification...

Author(s) : Nichiforel, L.; Duduman, G.; Scriban, R. E.; Popa, B.; Barnoaiea, I.; Dragoi, M.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Ecosystem Services 2021 Vol.49

6. Effects of nitrogen fertilization on the growth and on photochemical efficiency in plants of Handroanthus heptaphyllus.

Handroanthus heptaphyllus is a tree species with wood of high economic value, used in the manufacture of furniture and civil construction. When grown in soils with low availability of natural nitrogen (N), it demonstrates low growth potential. Thus, the study aimed to define the growth and...

Author(s) : Berghetti, Á. L. P.; Araujo, M. M.; Tabaldi, E. A.; Turchetto, F.; Tassinari, A.; Bernardy, D.; Griebeler, A. M.; Barbosa, F. M.; Aimi, S. C.; Brunetto, G.

Publisher : Taylor & Francis, Philadelphia, USA

Journal article : Journal of Plant Nutrition 2021 Vol.44 No.16 pp.2464-2475 ref.49

7. Achieving the climate goal with intergovernmental transfers to the forestry sector: insights from the Indian experience.

Forests play an important role in both mitigation and adaptation to climate change. India is amongst a select group of countries that have experimented with intergovernmental fiscal transfers to support forest conservation. Well-designed transfers have important implications for the achievement of...

Author(s) : Purnamita Dasgupta; Kavitha Srikanth

Publisher : Springer, Dordrecht, Netherlands

Journal article : Climatic Change 2021 Vol.164 No.3/4 ref.many

8. Factors controlling individual branch development during early growth of an experimental plantation of Eucalyptus pilularis in sub-tropical Australia.

Diameter at base, orientation, and height up the stem of live branches on the lower 5 m of tree stems were measured several times over 2.5-5.7 years of age in an experimental plantation of blackbutt (Eucalyptus pilularis) in sub-tropical eastern Australia. Stocking density at planting varied over...

Author(s) : West, P. W.; Ratkowsky, D. A.; Smith, R. G. B.

Publisher : Springer-Verlag GmbH, Berlin, Germany

Journal article : Trees: Structure and Function 2021 Vol.35 No.2 pp.395-405 ref.50

9. Modelling and simulation of the wood biomass supply from the sustainable management of natural forests.

Wood biomass is an important energy resource, which can contribute to reduce the dependence on fossil fuels. The research undertakes the microeconomic approach to estimate the technical availability and operational costs of woody biomass production with a higher level of precision than other models ...

Author(s) : Simon, F.; Girard, A.; Krotki, M.; Ordoñez, J.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Journal of Cleaner Production 2021 Vol.282

10. Multi-objective forestry increases the production of ecosystem services.

Boreal forests produce multiple ecosystem services for the society. Their trade-offs determine whether they should be produced simultaneously or whether it is preferable to assign separate areas to different ecosystem services. We use simulation and optimization to analyse the correlations,...

Author(s) : Díaz-Yáñez, O.; Pukkala, T.; Packalen, P.; Lexer, M. J.; Peltola, H.

Publisher : Oxford University Press, Oxford, UK

Journal article : Forestry (Oxford) 2021 Vol.94 No.3 pp.386-394

11. Enhancing the precision of broad-scale forestland removals estimates with small area estimation techniques.

National Forest Inventories (NFI) are designed to produce unbiased estimates of forest parameters at a variety of scales. These parameters include means and totals of current forest area and volume, as well as components of change such as means and totals of growth and harvest removals. Over the...

Author(s) : Coulston, J. W.; Green, P. C.; Radtke, P. J.; Prisley, S. P.; Brooks, E. B.; Thomas, V. A.; Wynne, R. H.; Burkhart, H. E.

Publisher : Oxford University Press, Oxford, UK

Journal article : Forestry (Oxford) 2021 Vol.94 No.3 pp.427-441 ref.42

12. Analysing species site-specific tree growth, mortality and in-growth for miombo woodlands in Tanzania.

The silvicultural information base for the development of management regimes for Tanzanian miombo woodlands is underdeveloped. The limited and fragmented information on tree growth and stand dynamics has constrained the progress of sustainable management in these woodlands. Therefore, this study...

Author(s) : Njoghomi, E. E.; Valkonen, S.; Karlsson, K.

Publisher : NISC - Taylor & Francis, Grahamstown, South Africa

Journal article : Southern Forests: a Journal of Forest Science 2021 Vol.83 No.1 pp.43-55 ref.42

13. Estimating above-ground biomass of individual trees with terrestrial laser scanner and 3D quantitative structure modelling.

This study explored the feasibility of using the terrestrial laser scanner (TLS) and quantitative structure modelling (QSM) to estimate the above-ground biomass (AGB) of individual trees in the tropical rainforest using data from the Ayer Hitam Forest Reserve, Malaysia. We also tested the influence ...

Author(s) : Muumbe, T. P.; Tagwireyi, P.; Mafuratidze, P.; Hussin, Y.; Leeuwen, L. van

Publisher : NISC - Taylor & Francis, Grahamstown, South Africa

Journal article : Southern Forests: a Journal of Forest Science 2021 Vol.83 No.1 pp.56-68 ref.65

14. Tier 2 above-ground biomass expansion functions for South African plantation forests.

Carbon stocks estimated for greenhouse gas emission reporting in South African plantation forests require improvement for local relevance. We developed biomass expansion and conversion factor (BECF) models to convert enumeration data to above-ground biomass (AGB) for major genera. Local biomass...

Author(s) : Dovey, S.; Toit, B. du; Crous, J.

Publisher : NISC - Taylor & Francis, Grahamstown, South Africa

Journal article : Southern Forests: a Journal of Forest Science 2021 Vol.83 No.1 pp.69-78 ref.51

15. Residual fertiliser and liming impacts in a long-term Acacia mearnsii trial.

Sixth rotation growth measurements of an Acacia mearnsii fertiliser trial established to test the effect of nitrogen (N), phosphorus (P), potassium (K) and lime application on growth and bark production, showed that residual P and lime effects are present. First established in 1951, the trial was...

Author(s) : Titshall, L.

Publisher : NISC - Taylor & Francis, Grahamstown, South Africa

Journal article : Southern Forests: a Journal of Forest Science 2021 Vol.83 No.1 pp.88-96 ref.18

16. Aboveground mangrove biomass estimation in Beibu Gulf using machine learning and UAV remote sensing.

On the basis of canopy height variables, vegetation index, texture index, and laser point cloud index measured with unmanned aerial vehicle (UAV) low altitude remote sensing, we used eight machine learning (ML) models to estimate the aboveground biomass of different species of mangroves in Beibu...

Author(s) : Tian YiChao; Huang Hu; Zhou GuoQing; Zhang Qiang; Tao Jin; Zhang YaLi; Lin JunLiang

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Science of the Total Environment 2021 Vol.781

17. Are we conscious of isoprene emissions from our poplar plantations?

The growing energy demand and increasing pollution due to conventional energy sources prompted the concept of bioenergy plantations, which are considered as carbon neutral. The area under bioenergy plantations is increasing rapidly to meet economical and ecological societal needs. Poplar is one of...

Author(s) : Vibha Singhal; Dinesh Jinger; Jyotirmoy Ghosh

Publisher : Current Science Association, Bangalore, India

Journal article : Current Science 2021 Vol.120 No.3 pp.479-483 ref.47

18. An assessment of the harvesting and fuel performance of a single-pass cut-and-chip harvester in commercial-scale short-rotation poplar crops as influenced by crop and weather conditions.

There is a need for data on commercial-scale harvesting operations in hybrid poplar short rotation crops to better understand costs and logistics, especially for modeling large scale biorefineries. An investigation was conducted on the in-field performance of a single-pass cut-and-chip harvester...

Author(s) : Eisenbies, M. H.; Volk, T. A.; Desouza, D.; Hallen, K.; Stanton, B.; Espinoza, J.; Himes, A.; Shuren, R.; Stonex, R.; Summers, B.; Zerpa, J.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Biomass and Bioenergy 2021 Vol.149

19. Current plant ecological features reflect historical forest management systems in semi-arid oak forests.

The influence of the type of management applied for centuries on vegetation understory has still been underexplored in semi-arid forests. We have studied how the vegetation composition, diversity and heterogeneity were influenced by two forest systems in mature semi-arid oak forests of western...

Author(s) : Heydari, M.; Roshan, S. A.; Omidipour, R.; Lucas-Borja, M. E.; Prévosto, B.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Ecological Engineering 2021 Vol.167

20. Estimation of productivity and cost of small-size fully-mechanized cut-to-length systems.

The study analyses the productivity and costs of compact class forest machines in different types of felling - sanitary felling, thinning, tree plantation, and final felling when sawing undergrowth trees. In accordance with the planned work methods, a productivity forecasting model of harvesting...

Author(s) : Zimelis, A.; Lazdins, A.; Saule, G.; Kaleja, S.

Publisher : Latvia University of Life Sciences and Technologies, Jelgava, Latvia

Conference paper : Proceedings of 20th International Scientific Conference "Engineering for Rural Development", Jelgava, Latvia, 26-28 May 2021 2021 pp.1814-1820 ref.15

21. Hardening and acclimatization of an endandgered forest tree Givotia rottleriformis Grif.

Givotia rottleriformis is an economically important forest tree and especially used in toys making industry. The acclimatization of the in vitro developed plants is a crucial stage to make them survive under the ex-vitro conditions Hardening is a method in which the tissue culture plants developed...

Author(s) : Rambabu, M.; Ujjwala, D.; Ramaswamy, N.

Publisher : Indian Botanical Society, Meerut, India

Journal article : Journal of the Indian Botanical Society 2021 Vol.101 No.1 pp.158-162 ref.22

22. Sustainability and challenges of climate change mitigation through urban reforestation - a review.

The realities of Climate change and its untold implications on the livelihood of man are no longer new worldwide. In attempts to subdue the negative implications of Climate change scenario globally, several measures have being suggested and being put in place. One of such measures is urban...

Author(s) : Ogunbode, T. O.; Asifat, J. T.

Publisher : Institute of Forest Science, Kangwon National University, chunchon, Korea Republic

Journal article : Journal of Forest and Environmental Science 2021 Vol.37 No.1 pp.1-13 ref.82

23. Quality analysis and improvement of polarimetric synthetic aperture radar (SAR) images from the GaoFen-3 satellite using the Amazon rainforest as an example.

As China's first civil synthetic aperture radar (SAR) satellite, the data quality of the GaoFen-3 (GF-3) satellite has been widely studied. This study analyzes the data quality of this satellite from a polarimetric perspective and recalibrates the GF-3 images using the Amazon rainforest. Four...

Author(s) : Sun GuangDe; Li Zhen; Huang Lei; Chen Quan; Zhang Ping

Publisher : Taylor & Francis, Abingdon, UK

Journal article : International Journal of Remote Sensing 2021 Vol.42 No.6 pp.2131-2154 ref.37

24. Application of conventional UAV-based high-throughput object detection to the early diagnosis of pine wilt disease by deep learning.

The early diagnosis of pine wilt disease (PWD) is crucial to its management. Substantial effort has been made to develop an accurate early diagnosis method. However, none of the existing methods are suitable for large-scale rapid screening in the field. In this study, an unmanned aerial vehicle...

Author(s) : Wu BiZhi; Liang AnJie; Zhang HuaFeng; Zhu TengFei; Zou ZhiYing; Yang DeMing; Tang WenYu; Li Jian; Su Jun

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Forest Ecology and Management 2021 Vol.486

25. To log or not to log? Actor preferences and networks in Swiss forest policy.

Forests play a fundamental role in climate change mitigation. While there are calls to store carbon by increasing the forest stock, other actors oppose this, arguing that carbon stored in processed timber is more adequate. Applying an adapted version of the policy network analysis (PNA) framework,...

Author(s) : Creutzburg, L.; Lieberherr, E.

Publisher : Elsevier B.V., Amsterdam, Netherlands

Journal article : Forest Policy and Economics 2021 Vol.125 ref.many