Académicos

• (IBOS244) Gestión Integrada de la Cosecha Forestal
• (IBOS241) Ergonomía y Mecanización Forestal 
• (IBOS310)  Análisis Integrado de Operaciones Forestales 
• (IBOS311)  Sistema de Aprovechamiento de Biomasa Forestal para Bioenergía 

2024

Contreras, M., Parra, C., Cárdenas, C., Hermosilla, C., Pastén, R., Aedo, D., 2024. Skid trail network visualizer: A computational tool to generate skid trails created by ground-based timber harvesting machines and facilitate soil disturbance monitoring. Computers and Electronics y Agriculture 225:109282 https://doi.org/10.1016/j.compag.2024.109282

2023

Labbé, R., Niklitschek M., Contreras, M. 2023. Effect of climate change on the land rent of radiata pine plantations in Chile: Site productivity and forest fires. Forest Policy and Economics 156:103068.  https://doi.org/10.1016/j.forpol.2023.103068

2022

Sena, K., Ochuodho, T.O., Agyeman, D.A., Contreras, M., Niman, C., Eaton, D., Yang, J. 2022. Wood bioenergy for rural resilience: Suitable site selection and potential economic impacts in Appalachian Kentucky. Forest Policy and Economics 145:102847. https://doi.org/10.1016/j.forpol.2022.102847

2020

Contreras, M.A., Staats, W.A., Price, S.J., 2020. Predicting and mapping Plethodontid salamander abundance using LiDAR-derived terrain and vegetation characteristics. Forest Systems 29(2):S005 https://doi.org/10.5424/fs/2020292-16074 

Contreras, M.A., Parrott D.L., Stringer J.W., 2020. Retroactive comparison of operator-designed and computer-generated skid-trail networks on steep terrain. Forest Systems 29(1):eSC01 https://doi.org/10.5424/fs/2020291-1558

2019

 

Ferreira, M.A., Silva, C.S.J., Gomide, L.R., Contreras, M.A., Lopes, E.T., Rodrigues, R.C., Mello, J.M., Mendonça, N.P. 2019. Wood supply optimization in Brazilian pulp industry involving forestry outgrower scheme. Revista Árvore 43(5):e430504 https://doi.org/10.1590/1806-90882019000500004

 

Hamid, H., Jacobs, N.B., Contreras, M.A., Clark, C.H. 2019. Deep learning for conifer-deciduous classification of airborne LiDAR 3D point clouds representing individual trees. ISPRS Journal of Photogrammetry and Remote Sensing 158:219-230.  https://www.sciencedirect.com/science/article/pii/S0924271619302485

 

2018

 

Contreras, M., Hamraz, H., Zhang, J. 2018. Uso de tecnología de datos LiDAR en inventarios forestales remotos (Use of LiDAR technology in remote forest inventories). In Geomática Aplicada, Mena, C., Ormazábal, Y., Barrientos, V. (Eds). Aerophotogrammetry Service – Chilean Air Force & University of Talca – Chile. pp 139-148. Available from:  http://editorial.utalca.cl/docs/ebook/geomatica.pdf

 

Hamraz, H., Contreras, M.A. 2018. Remote sensing of forests using discrete return airborne LiDAR. Recent Advances and Applications in Remote Sensing. Ming Hung (Ed), IntechOpen, DOI: 10.5772/intechopen.71777. Available from: https://www.intechopen.com/books/recent-advances-and-applications-in-remote-sensing/remote-sensing-of-forests-using-discrete-return-airborne-lidar

 

2017

 

Hamraz, H., Contreras, M., Zhang, J. 2017. Forest understory trees revealed within sufficiently dense airborne laser scanning point clouds. Scientific Reports 7:6770.

https://www.nature.com/articles/s41598-017-07200-0

 

Hamraz, H., Contreras, M., Zhang, J. 2017. Vertical stratification of forest canopy for segmentation of under-story trees within small-footprint airborne LiDAR point clouds. ISPRS Journal of Photogrammetry and Remote Sensing 130:385-392.  https://www.sciencedirect.com/science/article/pii/S0924271617302708

 

Contreras, M., Staats, W., Yang, J., Parrott, D. 2017. Quantifying the accuracy of LiDAR-derived DEM in deciduous eastern forests of the Cumberland Plateau. Journal of Geographic Information System 9:339-353.

https://www.scirp.org/journal/PaperInformation.aspx?PaperID=77065

 

Lin, P., Dai, R., Contreras, M.A., Zhang, J. 2017. Combining ant colony optimization with 1-opt local search method for solving constrained forest transportation planning problems. Artificial Intelligence Research 6(2):27-38. http://www.sciedu.ca/journal/index.php/air/article/view/11033

 

Hamraz, H., Contreras, M., Zhang, J. 2017. A scalable approach for tree segmentation within small-footprint airborne. Computers and Geosciences 102:139-174.

https://www.sciencedirect.com/science/article/pii/S0098300416304812

 

Contreras, M., Freitas, R., Ribeiro, L., Stringer, J.W., Clark, C. 2017. Multi-camera surveillance systems for time and motion studies of timber harvesting equipment. Computers and Electronics in Agriculture 135:208-215. https://www.sciencedirect.com/science/article/pii/S0168169916304720

 

2016

 

Hamraz, H., Contreras, M., Zhang, J. 2016. A robust approach for tree segmentation in deciduous forests using small-footprint airborne LiDAR data. International Journal of Applied Earth Observation and Geoinformation 52:532-541. https://www.sciencedirect.com/science/article/pii/S0303243416301131

 

Lin, P., Contreras, M., Dai, R., Zhang, J. 2016. A multilevel ACO approach for solving forest transportation planning problems with environmental constraints. Swarm and Evolutionary Computation 28:78-87.

https://www.sciencedirect.com/science/article/pii/S2210650216000134

 

Qi, L., Yang, J., Yu, D., Dai, L., Contreras, M. 2016. Responses of regeneration and species coexistence to single-tree selective logging for a temperate mixed forest in eastern Eurasia. Annals of Forest Science 73(2):449-460. https://link.springer.com/article/10.1007%2Fs13595-016-0537-6

 

Contreras, M., Parrott, D., Chung, W. 2016. Designing skid-trail networks to reduce skidding cost and soil disturbance for ground-based timber harvesting operations. Forest Science 62(1):48-58.

https://academic.oup.com/forestscience/article/62/1/48/4583946

 

2015

 

Nepal, S., Contreras, M., Stainback, G.A., Lhotka, J.M. 2015. Quantifying the Effects of Biomass Market Conditions and Policy Incentives on Economically Feasible Sites to Establish Dedicated Energy Crops. Forests 6(11):4168-4190.  https://www.mdpi.com/1999-4907/6/11/4168

 

Lin, P., Zhang, J., Contreras, M. 2015. Automatically configuring ACO using multilevel ParamILS to solve transportation planning with underlying weighted networks. Swarm and Evolutionary Computation 20:48-57.

https://www.sciencedirect.com/science/article/pii/S2210650214000789

 

Contreras, M. (Ed). 2015. Proceedings of the 38th annual meeting of the Council on Forest Engineering – “Engineering Solution for Non-Industrial Private Forest Operations”. July 19-22. Lexington, KY. 377 p. (Capítulo de libro)

 

2014

 

Nepal, S., Contreras, M., Lhotka, J.M., Stainback, G.A. 2014. A spatially explicit model to identify suitable sites to establish dedicated woody energy crops. Biomass and Bioenergy 71:245-255.

https://www.sciencedirect.com/science/article/pii/S0961953414004541

 

 Vallejos-Barra, O., Daniluk-Mosquera, G., Moras, G., Ponce-Donoso, M., Contreras, M. 2014. Above-ground carbon absorption in young Eucalyptus globulus plantations in Uruguay. Scientia Forestalis v.42, n.101, p.9-19. https://www.ipef.br/publicacoes/scientia/nr101/cap01.pdf

 

2013

 

Chung, W., Jones, G, Krueger, K., Bramel, J., Contreras, M. 2013. Optimizing fuel treatments over time and space. International Journal of Wildland Fire 22(8):1118-1133. http://www.publish.csiro.au/wf/WF12138

 

Contreras, M., Chung, W. 2013. Developing a computerized approach for optimizing tree removal to efficiently reduce crown fire potential.  Forest Ecology and Management 289(1):219-233.

https://www.sciencedirect.com/science/article/pii/S0378112712005890

 

2012

 

Contreras, M., Aracena, P., Chung, W. 2012. Improving accuracy in earthwork volume estimation for proposed forest roads using a high-resolution digital elevation model. Croatian Journal of Forest Engineering 33(1):125-142. http://www.crojfe.com/archive/volume-33-no-1/improving-accuracy-in-earthwork-volume-estimation-for-proposed-forest-roads-using-a-high-resolution-digital-elevation-model/

 

Contreras, M., Parsons, R., Chung, W. 2012. Modeling tree-level fuel connectivity to evaluate the effectiveness of thinning treatments for reducing crown fire potential. Forest Ecology and Management 264(2)134-149. https://www.sciencedirect.com/science/article/pii/S0378112711006037

 

2011

 

Contreras, M., Affleck, D., Chung, W. 2011. Evaluating tree competition indices as predictors of basal area increment in western Montana forests. Forest Ecology and Management 262(12):1939-1949.

https://www.sciencedirect.com/science/article/pii/S0378112711005238

 

Contreras, M., Chung, W. 2011. A modeling approach to estimating skidding costs for individual trees for thinning operations.  Western Journal of Applied Forestry 26(3):133-146. https://academic.oup.com/wjaf/article/26/3/133/4683552

 

Chung, W., Contreras, M. 2011. Forest transportation planning under multiple goals using ant colony optimization. In Ant Colony Optimization - Methods and Applications, Avi Ostfeld (Ed.), ISBN: 978-953-307-157-2, InTech,  Available from: http://www.intechopen.com/articles/show/title/forest-transportation-planning-under-multiple-goals-using-ant-colony-optimization

 

2008

 

Contreras, M., Chung, W., Jones, G. 2008. Applying ant colony optimization meta-heuristic to solve forest transportation planning problems with side constraints. Canadian Journal of Forest Research 38(11):2896-2910. https://www.nrcresearchpress.com/doi/full/10.1139/X08-126#.XS92GPZFz4g

 

2007

 

Contreras, M., Chung, W. 2007. A computer approach to finding an optimal log landing location and analyzing influencing factors for ground-based timber harvesting. Canadian Journal of Forest Research 37(2):276-292. https://www.nrcresearchpress.com/doi/full/10.1139/x06-219#.XS92NfZFz4g

 

2023-          Responsable del proyecto FIC 23-12 “Generación de pellets y astillas a partir de desechos del manejo forestal y la industria primaria de la madera”

2022-2024  Responsable de Proyecto Fondef IDeA “Desarrollo de un software para el diseño automatizado de vías de saca que minimicen costos de madereo e impactos al suelo en operaciones con sistemas de cosecha terrestre”.

Ochuodho, T., Contreras, M. 2019. Wood bioenergy for rural energy resilience. Kentucky Department for Energy Development and Independence, Division of Biofuels. 2019. Co-Investigador Responsable

 

Contreras, M., Stringer, J.W. 2017. Expanding and enhancing a web-based application to generate automated access routes from timber harvesting sites to emergency personnel locations to the state of Kentucky. Central Appalachian Regional Education & Research Center (CARERC), University of Kentucky. 2017-2018. Investigador Responsable.

 

Richards, C.M., Contreras, M. 2016. The use of quadcopter UAVs for wildfire and prescribed fire monitoring and data collection. University of Louisville ENVPRI Internal Grant Program.. 2016-2017. Co- Investigador Responsable.

 

Stringer, J.W., Lhotka, J.M., Contreras, M., Lacki, M.J. 2016. Vertical and horizontal stand structure associated with silvicultural treatments in forested ecosystems of Eastern Kentucky:  Response of Myotis bats during the staging and maternity seasons. U.S. Fish and Wildlife Services,. 2017-2019. Co- Investigador Responsable.

 

Jun Zhang, Contreras, M. 2015. Forest modeling using airborne LiDAR. Kentucky Science and Engineering Foundation, KSEF-3405-RDE-018. 2015. Co- Investigador Responsable.

 

Contreras, M. 2015. Support for the council on forest engineering meeting. Kentucky Department for Energy Development and Independence, Division of Biofuels.  PON2 127. Investigador Responsable.

 

Contreras, M. 2015. Support for the council on forest engineering meeting. University of Kentucky, College of Agriculture, Food and Environment. Research Activity Award. Investigador Responsable.

 

Lacki, M.J., Stringer, J.W., Lhotka, J.M., Dodd, L.E., Contreras, M. 2014. Effect of silvicultural treatments on vertical stand structure in forested ecosystems of the Appalachian Mountain Region:  Implications for foraging and roosting behavior of Myotis bats during the staging, maternity, and swarming seasons. Forestland Group LCC. 2014-2016. Co- Investigador Responsable.

 

Stringer, J.W., Contreras, M. 2014. Developing a web-based application to generate automated access routes from timber harvesting sites to emergency personnel locations. Central Appalachian Regional Education & Research Center (CARERC), University of Kentucky. 03/2014 – 06/2014. Investigador Responsable.

 

Contreras, M. 2013. Evaluating the use of light detection and ranging (LiDAR) information to improve forest management decisions. McIntire-Stennis (KAES13-03). 2013-2018. Investigador Responsable.

 

Contreras, M. 2011. OptFuels: Optimizing fuel treatment location at the landscape level. US Forest Service, Rocky Mountain Research Station (RMRS) and the University of Montana. 2011-2012. Investigador Responsable.