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Julian Frey (Dr.)
Julian Frey (Dr.)
Chair of Forest Growth and Dendroecology, Univeristy of Freiburg
E-mail confirmado em wwd.uni-freiburg.de - Página inicial
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Citado por
Citado por
Ano
Mapping forest tree species in high resolution UAV-based RGB-imagery by means of convolutional neural networks
F Schiefer, T Kattenborn, A Frick, J Frey, P Schall, B Koch, S Schmidtlein
ISPRS Journal of Photogrammetry and Remote Sensing 170, 205-215, 2020
2842020
Retention as an integrated biodiversity conservation approach for continuous-cover forestry in Europe
L Gustafsson, J Bauhus, T Asbeck, ALD Augustynczik, M Basile, J Frey, ...
Ambio 49, 85-97, 2020
1752020
UAV-Based Forest Health Monitoring: A Systematic Review. Remote Sens. 2022, 14, 3205
S Ecke, J Dempewolf, J Frey, A Schwaller, E Endres, HJ Klemmt, D Tiede, ...
s Note: MDPI stays neutral with regard to jurisdictional claims in published …, 2022
157*2022
UAV photogrammetry of forests as a vulnerable process. A sensitivity analysis for a structure from motion RGB-image pipeline
J Frey, K Kovach, S Stemmler, B Koch
Remote Sensing 10 (6), 912, 2018
1502018
Predicting abundance and diversity of tree-related microhabitats in Central European montane forests from common forest attributes
T Asbeck, P Pyttel, J Frey, J Bauhus
Forest Ecology and Management 432, 400-408, 2019
1162019
Evaluating the effectiveness of retention forestry to enhance biodiversity in production forests of Central Europe using an interdisciplinary, multi‐scale approach
I Storch, J Penner, T Asbeck, M Basile, J Bauhus, V Braunisch, ...
Ecology and evolution 10 (3), 1489-1509, 2020
80*2020
Spatially autocorrelated training and validation samples inflate performance assessment of convolutional neural networks
T Kattenborn, F Schiefer, J Frey, H Feilhauer, MD Mahecha, CF Dormann
ISPRS Open Journal of Photogrammetry and Remote Sensing 5, 100018, 2022
672022
Light heterogeneity affects understory plant species richness in temperate forests supporting the heterogeneity–diversity hypothesis
J Helbach, J Frey, C Messier, M Mörsdorf, M Scherer‐Lorenzen
Ecology and Evolution 12 (2), e8534, 2022
542022
Insect abundance in managed forests benefits from multi-layered vegetation
AK Knuff, M Staab, J Frey, CF Dormann, T Asbeck, AM Klein
Basic and Applied Ecology 48, 124-135, 2020
542020
Mapping tree species diversity in temperate montane forests using Sentinel-1 and Sentinel-2 imagery and topography data
X Liu, J Frey, C Munteanu, N Still, B Koch
Remote Sensing of Environment 292, 113576, 2023
372023
UAV-based reference data for the prediction of fractional cover of standing deadwood from Sentinel time series
F Schiefer, S Schmidtlein, A Frick, J Frey, R Klinke, K Zielewska-Büttner, ...
ISPRS Open Journal of Photogrammetry and Remote Sensing 8, 100034, 2023
312023
Mapping an Invasive Plant Spartina alterniflora by Combining an Ensemble One-Class Classification Algorithm with a Phenological NDVI Time-Series Analysis …
X Liu, H Liu, P Datta, J Frey, B Koch
Remote Sensing 12 (24), 4010, 2020
312020
Predicting tree-related microhabitats by multisensor close-range remote sensing structural parameters for the selection of retention elements
J Frey, T Asbeck, J Bauhus
Remote Sensing 12 (5), 867, 2020
312020
Mapping standing dead trees in temperate montane forests using a pixel-and object-based image fusion method and stereo WorldView-3 imagery
X Liu, J Frey, M Denter, K Zielewska-Büttner, N Still, B Koch
Ecological Indicators 133, 108438, 2021
232021
Multiple forest structural elements are needed to promote beetle biomass, diversity and abundance
NJ Rappa, M Staab, J Frey, N Winiger, AM Klein
Forest Ecosystems 9, 100056, 2022
192022
Same viewpoint different perspectives—A comparison of expert ratings with a TLS derived forest stand structural complexity index
J Frey, B Joa, U Schraml, B Koch
Remote Sensing 11 (9), 1137, 2019
192019
Where are we now with European forest multi-taxon biodiversity and where can we head to?
S Burrascano, F Chianucci, G Trentanovi, S Kepfer-Rojas, T Sitzia, ...
Biological conservation 284, 110176, 2023
142023
Plant composition, not richness, drives occurrence of specialist herbivores
AK Knuff, M Staab, J Frey, J Helbach, AM Klein
Ecological Entomology 44 (6), 833-843, 2019
142019
Structural elements enhanced by retention forestry promote forest and non-forest specialist bees and wasps
NJ Rappa, M Staab, LS Ruppert, J Frey, J Bauhus, AM Klein
Forest Ecology and Management 529, 120709, 2023
122023
Limitations of estimating branch volume from terrestrial laser scanning
C Morhart, Z Schindler, J Frey, JP Sheppard, K Calders, M Disney, ...
European Journal of Forest Research 143 (2), 687-702, 2024
112024
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