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1. A Retroactive Approach for Dynamic Shortest Path Problem

Author:
Sunita,; Garg, Deepak
Source:
National Academy science letters 2019 v.42 no.1 pp. 25-32
ISSN:
0250-541X
Subject:
trees,   etc   ; algorithms; graphs;     Show all 3 Subjects
Abstract:
... Dynamic shortest path algorithms modify the existing shortest path tree or graph, taking into account changes in the underlying graph configuration. In the premise of this paper, the dynamic Dijkstra algorithm is specifically considered which is used for the solution of single source shortest path problem in dynamic graphs. Dynamic Single Source Shortest Path (DSSSP) problem is considered from a c ...
DOI:
10.1007/s40009-018-0674-6

2. An analysis of enhanced tree trimming effectiveness on reducing power outages

Author:
Parent, Jason R.; Meyer, Thomas H.; Volin, John C.; Fahey, Robert T.; Witharana, Chandi
Source:
Journal of environmental management 2019 v.241 pp. 397-406
ISSN:
0301-4797
Subject:
trees,   etc   ; deciduous forests; storms; Connecticut;     Show all 4 Subjects
Abstract:
... We evaluated the effectiveness of an enhanced tree trimming (ETT) program for its ability to reduce tree-related power outages, and thereby improve resilience, on an electric utility distribution system during storm events. Evaluations encompassed thirteen years of trimming (i.e. 2005–2017) data and were performed for both backbone and lateral utility lines. Backbones included all three phase line ...
DOI:
10.1016/j.jenvman.2019.04.027

3. A new method of equiangular sectorial voxelization of single-scan terrestrial laser scanning data and its applications in forest defoliation estimation

Author:
Huo, Langning; Zhang, Xiaoli
Source:
ISPRS journal of photogrammetry and remote sensing 2019 v.151 pp. 302-312
ISSN:
0924-2716
Subject:
trees,   etc   ; defoliation; forests; information management;     Show all 4 Subjects
Abstract:
... Voxelization is an efficient and frequently used data process that is applied to terrestrial laser scanning (TLS) data to facilitate data management and reduce storage size. In this study, an innovative method of equiangular sectorial voxelization is presented based on the distinctive point distribution characteristic of single-scan TLS. It has the function of containing the same number of laser b ...
DOI:
10.1016/j.isprsjprs.2019.03.018

4. Missing link in Late Antiquity? A critical examination of Hollstein’s Central European Oak Chronology

Author:
Rzepecki, Andreas; Neyses-Eiden, Mechthild; Frank, Thomas; Diethelm, Barbara; Herzig, Franz; Tegel, Willy
Source:
Dendrochronologia 2019 v.54 pp. 20-28
ISSN:
1125-7865
Subject:
trees,   etc   ; dendrochronology; Belgium; France; Germany;     Show all 5 Subjects
Abstract:
... In 1980 Ernst Hollstein published his Central European Oak Chronology, which covers a period from 724 BCE to 1974 CE. Besides a later correction of the end date of the sampling site chronologies Kirnsulzbach (Germany) and Gustavsburg (Germany) this master chronology has since not been changed and still remains one of the most important bases for dendrochronological dating in western Germany. It st ...
DOI:
10.1016/j.dendro.2019.01.003

5. Geometric morphometrics, homology and cladistics: review and recommendations

Author:
Palci, Alessandro; Lee, Michael S. Y.
Source:
Cladistics 2019 v.35 no.2 pp. 230-242
ISSN:
0748-3007
Subject:
trees,   etc   ; ancestry; geometry; guidelines; morphometry; phylogeny;     Show all 6 Subjects
Abstract:
... Geometric morphometric (GM) data has a long and contentious history in phylogenetic analyses. Often associated with phenetics, GM has been considered by many to be unable to provide meaningful information on phylogenetic relationships. However, the concepts of primary and secondary homology as developed for discrete characters can be readily extended to GM data: raw similarity in aligned landmark ...
DOI:
10.1111/cla.12340

6. Failure conditions of solid wood on off-axis compression testing

Author:
Yoshihara, Hiroshi
Source:
Holzforschung 2019 v.73 no.3 pp. 251-258
ISSN:
1437-434X
Subject:
trees,   etc   ; compression strength; prediction; shear stress; wood;     Show all 5 Subjects
Abstract:
... Off-axis compression tests (OACT) were conducted on solid wood from six tree species, and the relationship between the off-axis compressive strength (OACStr) and the off-axis angle was predicted under the conventional Hill-type quadratic failure conditions, off-axis special failure conditions, and under a condition proposed in this study, which contains terms of interaction between the normal and ...
DOI:
10.1515/hf-2018-0089

7. Correction to: Impacts of climate change on apple tree cultivation areas in Iran

Author:
Ahmadi, Hamzeh; Fallah Ghalhari, Gholamabbas; Baaghideh, Mohammad
Source:
Climatic change 2019 v.153 no.1-2 pp. 105
ISSN:
0165-0009
Subject:
trees,   etc   ; apples; climate change; cultivation area; Iran;     Show all 5 Subjects
Abstract:
... The author group in the original publication was missing one author. Dr. Gholamabbas Fallah Ghalhari has been added to the author group. He is also the corresponding author of the article.An Acknowledgement section has also been added. ...
DOI:
10.1007/s10584-018-2354-4

8. When Short Stature Is an Asset in Trees

Author:
Fajardo, Alex; McIntire, Eliot J.B.; Olson, Mark E.
Source:
Trends in ecology & evolution 2019 v.34 no.3 pp. 193-199
ISSN:
0169-5347
Subject:
trees,   etc   ; drought tolerance; forests; habitats; plant height;     Show all 5 Subjects
Abstract:
... With their imposing grandeur, the small number of very tall tree species attract a disproportionate amount of scientific study. We right this bias by focusing here on the shorter trees, which often grow in the shade of the giants and many other places besides. That tall trees are so restricted in distribution indicates that there are far more habitats available for small trees. We discuss some lea ...
DOI:
10.1016/j.tree.2018.10.011

9. Correction to: Allocation to leaf area and sapwood area affects water relations of co-occurring savanna and forest trees

Author:
Gotsch, Sybil G.; Geiger, Erika L.; Franco, Augusto C.; Goldstein, Guillermo; Meinzer, Frederick C.; Hoffmann, William A.
Source:
Oecologia 2019 v.189 no.2 pp. 563
ISSN:
0029-8549
Subject:
forest trees,   etc   ; leaf area; sapwood; savannas;     Show all 4 Subjects
Abstract:
... The original version of this article unfortunately contained a mistake. The Electronic supplementary material (ESM) was accompanying this article by mistake. ...
DOI:
10.1007/s00442-018-04327-3

10. Reconstruction of root systems in Cryptomeria japonica using root point coordinates and diameters

Author:
Ohashi, Mizue; Ikeno, Hidetoshi; Sekihara, Kotaro; Tanikawa, Toko; Dannoura, Masako; Yamase, Keitaro; Todo, Chikage; Tomita, Takahiro; Hirano, Yasuhiro
Source:
Planta 2019 v.249 no.2 pp. 445-455
ISSN:
0032-0935
Subject:
trees,   etc   ; Cryptomeria japonica; algorithms; models; root systems;     Show all 5 Subjects
Abstract:
... MAIN CONCLUSION: We developed simple algorithms for reconstructing tree root system architecture using only the root point coordinate and diameter, which can be systematically obtained without digging up the root systems. Root system architecture (RSA) is strongly related to various root functions of the tree. The aim of this study was to develop a three-dimensional (3D) RSA model using systematic ...
DOI:
10.1007/s00425-018-3011-x

11. Towards the extremes: A critical analysis of pointer year detection methods

Author:
Jetschke, Gottfried; van der Maaten, Ernst; van der Maaten-Theunissen, Marieke
Source:
Dendrochronologia 2019 v.53 pp. 55-62
ISSN:
1125-7865
Subject:
trees,   etc   ; growth rings; plant growth; plant response;     Show all 4 Subjects
Abstract:
... To study growth responses of trees to extreme events, analyses of so-called ‘pointer years’ are often performed. Thereby, the term pointer year refers to years in which a majority of trees shows extraordinary growth responses, like very narrow (or wide) ring widths. A wide variety of methods has been used to analyze pointer years, hampering comparisons between studies. The latter illustrates that ...
DOI:
10.1016/j.dendro.2018.11.004

12. Urban trees, house price, and redevelopment pressure in Tampa, Florida

Author:
Donovan, Geoffrey H.; Landry, Shawn; Winter, Cody
Source:
Urban forestry & urban greening 2019 v.38 pp. 330-336
ISSN:
1618-8667
Subject:
trees,   etc   ; autocorrelation; models; prices; sales; Florida;     Show all 6 Subjects
Abstract:
... We examined the relationship between urban trees and the sales price of single-family homes in Tampa, Florida. We chose Tampa, because the city is facing major redevelopment pressure that may impact the association between trees and house price. In particular, a frequently voiced view in Tampa’s development community is that trees adversely affect the value of houses that are being sold for redeve ...
DOI:
10.1016/j.ufug.2019.01.014

13. A multi-faceted CNN architecture for automatic classification of mobile LiDAR data and an algorithm to reproduce point cloud samples for enhanced training

Author:
Kumar, Bhavesh; Pandey, Gaurav; Lohani, Bharat; Misra, Subhas C.
Source:
ISPRS journal of photogrammetry and remote sensing 2019 v.147 pp. 80-89
ISSN:
0924-2716
Subject:
trees,   etc   ; algorithms; data collection; lidar; vegetation;     Show all 5 Subjects
Abstract:
... Mobile Laser Scanning (MLS) data of outdoor environment are typically characterised by occlusion, noise, clutter, large data size and high quantum of information which makes their classification a challenging problem. This paper presents three deep Convolutional Neural Network (CNN) architectures in three dimension (3D), namely single CNN (SCN), multi-faceted CNN (MFC) and MFC with reproduction (M ...
DOI:
10.1016/j.isprsjprs.2018.11.006

14. An innovative tomographic technique integrated with acoustic-laser approach for detecting defects in tree trunk

Author:
Qiu, Qiwen; Qin, Renyuan; Lam, Josh H.M.; Tang, Alvin M.C.; Leung, Mike W.K.; Lau, Denvid
Source:
Computers and electronics in agriculture 2019 v.156 pp. 129-137
ISSN:
0168-1699
Subject:
trees,   etc   ; air; electromagnetic radiation; tomography; tree trunk;     Show all 5 Subjects
Abstract:
... In this study, we develop a tomographic technique based on the use of both mechanical wave (i.e. stress wave and acoustic wave) and electromagnetic wave (i.e. laser beam) for evaluating the defects in tree trunk. In the experimental work, the tomographic technique was used to inspect tree trunk with an air hole fabricated at the centric position and air gaps made at 5–50 mm near from surface. The ...
DOI:
10.1016/j.compag.2018.11.017

15. Correction to: A paradox of latitudinal leaf defense strategies in deciduous and evergreen broadleaved trees

Author:
Saihanna, Saihanna; Tanaka, Tomoe; Okamura, Yu; Kusumoto, Buntarou; Shiono, Takayuki; Hirao, Toshihide; Kubota, Yasuhiro; Murakami, Masashi
Source:
Ecological research 2018 v.33 no.5 pp. 1019
ISSN:
0912-3814
Subject:
broadleaved trees,   etc   ; Internet; leaves;     Show all 3 Subjects
Abstract:
... The article “A paradox of latitudinal leaf defense strategies in deciduous and evergreen broadleaved trees”, written by Saihanna Saihanna, Tomoe Tanaka, Yu Okamura, Buntarou Kusumoto, Takayuki Shiono, Toshihide Hirao, Yasuhiro Kubota, and Masashi Murakami, was originally published electronically on the publisher’s internet portal (currently SpringerLink) on 01 June 2018 without open access. ...
DOI:
10.1007/s11284-018-1641-x

16. Correction to: Effects of dust on forest tree health in Zagros oak forests

Author:
Moradi, A.; Taheri Abkenar, K.; Afshar Mohammadian, M.; Shabanian, N.
Source:
Environmental monitoring and assessment 2018 v.190 no.9 pp. 534
ISSN:
0167-6369
Subject:
forest trees,   etc   ; dust; forests;     Show all 3 Subjects
Abstract:
... The original version of this article unfortunately contained an error in the affiliation section. ...
DOI:
10.1007/s10661-018-6917-7

17. Loading experienced by a tie-in point during ascents

Author:
Kane, Brian
Source:
Urban forestry & urban greening 2018 v.34 pp. 78-84
ISSN:
1618-8667
Subject:
trees,   etc   ; harness; mortality;     Show all 3 Subjects
Abstract:
... Working in trees is an inherently dangerous profession, with a higher than average fatality rate. Climbers secure themselves with a rope and harness to a tie-in point to ascend into and work in a tree, but it can be difficult—if not impossible—to assess the safety of a tie-in point from the ground. Very little experimental work has described the loads associated with ascending into and working in ...
DOI:
10.1016/j.ufug.2018.06.001

18. The impact of ancient tree form on modern landscape preferences

Author:
Townsend, Joseph B.; Barton, Susan
Source:
Urban forestry & urban greening 2018 v.34 pp. 205-216
ISSN:
1618-8667
Subject:
trees,   etc   ; canopy; emotions; landscapes;     Show all 4 Subjects
Abstract:
... Empirical studies of the relationship between aspects of the landscape and human emotions have been fruitful over the last few decades. In fact, we are awash in data that describes a correlation between natural landscapes and positive human feelings. While this plethora of data has been useful to various disciplines, it has not lead to an explanatory theory as to why and how the landscape should h ...
DOI:
10.1016/j.ufug.2018.06.004

19. Estimating tree stem density and diameter distribution in single-scan terrestrial laser measurements of field plots: a simulation study

Author:
Olofsson, Kenneth; Olsson, Håkan
Source:
Scandinavian journal of forest research 2018 v.33 no.4 pp. 365-377
ISSN:
1651-1891
Subject:
trees,   etc   ; forests; inventories;     Show all 3 Subjects
Abstract:
... The single-scan setup of terrestrial laser scanning of a forest field plot has advantages compared to the multi-scan setup: the speed of operation and that there is no need of a co-registration of the different scans. However in a single-scan setup some of the trees are shaded by others and therefore not detected in the scan. A field inventory solution must take this fact into account. This simula ...
DOI:
10.1080/02827581.2017.1368698

20. Isolation rearing does not constrain social plasticity in a family-living lizard

Author:
Riley, Julia L; Guidou, Côme; Fryns, Caroline; Mourier, Johann; Leu, Stephan T; Noble, Daniel W A; Byrne, Richard W; Whiting, Martin J
Source:
Behavioral ecology 2018 v.29 no.3 pp. 563-573
ISSN:
1465-7279
Subject:
trees,   etc   ; lizards; plasticity; rearing;     Show all 4 Subjects
Abstract:
... Loner lizards can become savvy socialites. An animal’s social experience while growing up often influences how they interact socially, and it may also constrain their ability to adapt to dynamic social situations. Yet, we find that in the tree skink, a family-living lizard, social plasticity is not limited by their social experience during development. The tree skink has a variable social system, ...
DOI:
10.1093/beheco/ary007