Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Grant D. Pearse"'
Autor:
Michael S. Watt, Sadeepa Jayathunga, Robin J. L. Hartley, Grant D. Pearse, Peter D. Massam, David Cajes, Benjamin S. C. Steer, Honey Jane C. Estarija
Publikováno v:
Forests, Vol 15, Iss 6, p 899 (2024)
The management of plantation forests using precision forestry requires advanced inventory methods. Unmanned aerial vehicle laser scanning (ULS) offers a cost-effective approach to accurately estimate forest structural attributes at both plot and indi
Externí odkaz:
https://doaj.org/article/3f3a314bfc33484282169288fc19ad4b
Autor:
Michael S. Watt, Andrew Holdaway, Pete Watt, Grant D. Pearse, Melanie E. Palmer, Benjamin S. C. Steer, Nicolò Camarretta, Emily McLay, Stuart Fraser
Publikováno v:
Remote Sensing, Vol 16, Iss 8, p 1401 (2024)
Red needle cast (RNC), mainly caused by Phytophthora pluvialis, is a very damaging disease of the widely grown species radiata pine within New Zealand. Using a combination of satellite imagery and weather data, a novel methodology was developed to pr
Externí odkaz:
https://doaj.org/article/c3787cbd8d124458b875a2f0abc30c00
Autor:
Nicolò Camarretta, Grant D. Pearse, Benjamin S. C. Steer, Emily McLay, Stuart Fraser, Michael S. Watt
Publikováno v:
Remote Sensing, Vol 16, Iss 2, p 338 (2024)
This study demonstrates a framework for using high-resolution satellite imagery to automatically map and monitor outbreaks of red needle cast (Phytophthora pluvialis) in planted pine forests. This methodology was tested on five WorldView satellite sc
Externí odkaz:
https://doaj.org/article/93a9c665f01b462d8cb3474c947f7135
Publikováno v:
Remote Sensing, Vol 15, Iss 22, p 5276 (2023)
Mapping and monitoring tree seedlings is essential for reforestation and restoration efforts. However, achieving this on a large scale, especially during the initial stages of growth, when seedlings are small and lack distinct morphological features,
Externí odkaz:
https://doaj.org/article/e7fe0f70e1fe4c8b81a1c303c045f016
Autor:
Robin J. L. Hartley, Sadeepa Jayathunga, Peter D. Massam, Dilshan De Silva, Honey Jane Estarija, Sam J. Davidson, Adedamola Wuraola, Grant D. Pearse
Publikováno v:
Remote Sensing, Vol 14, Iss 14, p 3344 (2022)
Phenotyping has been a reality for aiding the selection of optimal crops for specific environments for decades in various horticultural industries. However, until recently, phenotyping was less accessible to tree breeders due to the size of the crop,
Externí odkaz:
https://doaj.org/article/ef56642e946440e79cb04959ae58aa5c
Autor:
Maxime Bombrun, Jonathan P. Dash, David Pont, Michael S. Watt, Grant D. Pearse, Heidi S. Dungey
Publikováno v:
Frontiers in Plant Science, Vol 11 (2020)
Advances in remote sensing combined with the emergence of sophisticated methods for large-scale data analytics from the field of data science provide new methods to model complex interactions in biological systems. Using a data-driven philosophy, ins
Externí odkaz:
https://doaj.org/article/db524ef720dc4f12b461528016023ca1
Publikováno v:
Remote Sensing, Vol 13, Iss 9, p 1789 (2021)
The ability of deep convolutional neural networks (deep learning) to learn complex visual characteristics offers a new method to classify tree species using lower-cost data such as regional aerial RGB imagery. In this study, we use 10 cm resolution i
Externí odkaz:
https://doaj.org/article/42b8e24e83d94a1ea31fd04436aa0bc4
Autor:
Robin J. L. Hartley, Ellen Mae Leonardo, Peter Massam, Michael S. Watt, Honey Jane Estarija, Liam Wright, Nathanael Melia, Grant D. Pearse
Publikováno v:
Remote Sensing, Vol 12, Iss 24, p 4039 (2020)
The measurement of forestry trials is a costly and time-consuming process. Over the past few years, unmanned aerial vehicles (UAVs) have provided some significant developments that could improve cost and time efficiencies. However, little research ha
Externí odkaz:
https://doaj.org/article/800d2413ec2e4ba5be38e62d9af96e77
Publikováno v:
Remote Sensing, Vol 11, Iss 15, p 1812 (2019)
Exotic conifers can provide significant ecosystem services, but in some environments, they have become invasive and threaten indigenous ecosystems. In New Zealand, this phenomenon is of considerable concern as the area occupied by invasive exotic tre
Externí odkaz:
https://doaj.org/article/5615932d4a214737b16268aa50060a61
Publikováno v:
ISPRS Journal of Photogrammetry and Remote Sensing. 168:156-169
Mapping of tree seedlings is useful for tasks ranging from monitoring natural succession and regeneration to effective silvicultural management. Development of methods that are both accurate and cost-effective is especially important considering the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6a29278373c26ac69aaad012b0680fb
https://doi.org/10.1016/j.isprsjprs.2020.08.005
https://doi.org/10.1016/j.isprsjprs.2020.08.005