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Dr Cong (Vega) Xu

Contact

Department: School of Forestry

Email: cong.xu@canterbury.ac.nz

Direct Dial: +64 3 3694765

Office: Forestry Rm 240A

Languages: English, Chinese (Mandarin)

About
Research / Creative works
Networks

Fields of Research

  • Remote sensing applications in forestry
  • Land cover and forest type classification
  • Modelling of forest characteristics using remote sensing datasets
  • Small-scale forestry in New Zealand

Researcher Summary

My research has been focused on remote sensing applications in forestry and natural environment, through processing and analysing LiDAR and satellite imagery to classify forest cover and land cover types, monitor land cover changes, and estimate forest biophysical variables such as height, basal area, volume and biomass.

Subject Area: Disciplines

  • Agriculture and Other Applied Biological Sciences: Forestry Studies

Prizes and Awards

  • Graham Whyte Forestry Prize ( 2018 - present )
  • WIDE Trust Post-doctoral Scholarship ( 2018 - present )

Research/Scholarly/Creative Works

Journal Articles
  • Ye N., Morgenroth J., Xu C. and Cai Z. (2022) Improving neural network classification of indigenous forest in New Zealand with phenological features. Journal of Environmental Management 314 http://dx.doi.org/10.1016/j.jenvman.2022.115134.
  • Ye N., Morgenroth J., Xu C. and Chen N. (2021) Indigenous forest classification in New Zealand – A comparison of classifiers and sensors. International Journal of Applied Earth Observation and Geoinformation 102 http://dx.doi.org/10.1016/j.jag.2021.102395.
  • de Gouw S., Morgenroth J. and Xu C. (2020) An updated survey on the use of geospatial technologies in New Zealand’s plantation forestry sector. New Zealand Journal of Forestry Science 50 8 http://dx.doi.org/10.33494/nzjfs502020x118x.
  • Manley B., Morgenroth J. and Xu C. (2020) Quantifying the area of the small-scale owners’ forest estate in the East Coast, Hawke’s Bay and Southern North Island. New Zealand Journal of Forestry 64(4): 18-26.
  • Guo T., Morgenroth J., Conway T. and Xu C. (2019) City-wide canopy cover decline due to residential property redevelopment in Christchurch, New Zealand. Science of the Total Environment 681: 202-210. http://dx.doi.org/10.1016/j.scitotenv.2019.05.122.
  • Phiri D., Morgenroth J. and Xu C. (2019) Four decades of land cover and forest connectivity study in Zambia-An object-based image analysis approach. International Journal of Applied Earth Observation and Geoinformation 79: 97-109. http://dx.doi.org/10.1016/j.jag.2019.03.001.
  • Phiri D., Morgenroth J. and Xu C. (2019) Long-term land cover change in Zambia: An assessment of driving factors. Science of the Total Environment 697 http://dx.doi.org/10.1016/j.scitotenv.2019.134206.
  • Xu C., Manley B. and Morgenroth J. (2019) Describing area and yield for small-scale plantation forests in Wairarapa region of New Zealand using RapidEye and LiDAR. .
  • Xu C., Manley B. and Morgenroth J. (2019) Describing area and yield for small-scale plantation forests in Wairarapa region of New Zealand using RapidEye and LiDAR. The New Zealand Journal of Forestry Science 49 http://dx.doi.org/10.33494/nzjfs492019x16x.
  • Xu C., Manley B. and Morgenroth J. (2019) Describing area and yield for small-scale plantation forests in Wairarapa region of New Zealand using RapidEye and LiDAR. The New Zealand Journal of Forestry Science 49 http://dx.doi.org/10.33494/nzjfs492019x16x.
  • Phiri D., Morgenroth JA., Xu C. and Hermosilla T. (2018) Effects of pre-processing methods on Landsat OLI-8 land cover classification using OBIA and random forests classifier. International Journal of Applied Earth Observation and Geoinformation 73: 170-178. http://dx.doi.org/10.1016/j.jag.2018.06.014.
  • Xu C., Manley B. and Morgenroth JA. (2018) Evaluation of modelling approaches in predicting forest volume and stand age for small-scale plantation forests in New Zealand with RapidEye and LiDAR. International Journal of Applied Earth Observation and Geoinformation 73: 386-396. http://dx.doi.org/10.1016/j.jag.2018.06.021.
  • Xu C., Morgenroth JA. and Manley B. (2017) Mapping Net Stocked Plantation Area for Small-Scale Forests in New Zealand Using Integrated RapidEye and LiDAR Sensors. Forests 8(12): 487-487. http://dx.doi.org/10.3390/f8120487.
  • Xu C., Morgenroth J. and Manley B. (2015) Integrating Data from Discrete Return Airborne LiDAR and Optical Sensors to Enhance the Accuracy of Forest Description: A Review. Current Forestry Reports 1(3): 206-219. http://dx.doi.org/10.1007/s40725-015-0019-3.
  • Watt MS., Xu V. and Bloomberg M. (2010) Development of a hydrothermal time seed germination model which uses the Weibull distribution to describe base water potential. Ecological Modelling 221(9): 1267-1272. http://dx.doi.org/10.1016/j.ecolmodel.2010.01.017.
  • Maclaren P. and Manley B. (2008) Impact of the New Zealand Emissions Trading Scheme on forest management. New Zealand Journal of Forestry 53(3): 33-39.
Conference Contributions - Published
  • Xu C., Manley B. and Morgenroth J. (2015) Obtaining forest description for small-scale forests using an integrated remote sensing technique. In Durrieu S; Véga C (Eds). Proceedings of SilviLaser 2015: 290-291.
Conference Contributions - Other
  • Xu C., Manley B. and Morgenroth JA. (2017) Using LiDAR and RapidEye to provide enhanced area and yield descriptions for New Zealand small-scale plantations. Christchurch, New Zealand: New Zealand Geospatial Research Conference, 4-5 Dec 2017.
  • Xu C., Manley B. and Morgenroth JA. (2015) Obtaining forest description for small-scale forests using an integrated remote sensing technique. Christchurch, New Zealand: New Zealand Geospatial Research Conference, 7-9 Dec 2015.
Theses / Dissertations
  • Xu C. (2017) Obtaining forest description for small-scale forests using an integrated remote sensing approach. Christchurch. University of Canterbury.

Review and Refereeing

Displaying all items.
  • ISPRS International Journal of Geo-Information ( 2018 )
  • New Zealand Journal of Forestry Science ( 2017 - 2023)
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