Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Marvin Ludwig"'
Autor:
Christian Mestre-Runge, Marvin Ludwig, Maria Teresa Sebastià, Josefina Plaixats, Agustin Lobo
Publikováno v:
Fire, Vol 6, Iss 11, p 419 (2023)
Prescribed burning and pyric herbivory play pivotal roles in mitigating wildfire risks, underscoring the imperative of consistent biomass monitoring for assessing fuel load reductions. Drone-derived surface models promise uninterrupted biomass survei
Externí odkaz:
https://doaj.org/article/8ed0cd04a148456e9c8ad140ae33ec14
Publikováno v:
Environmental Research Letters, Vol 18, Iss 7, p 075003 (2023)
Leaf or plant area index (LAI, PAI) information is frequently used to describe vegetation structure in environmental science. While field measurements are time-consuming and do not scale to landscapes, model-based air- or space-borne remote-sensing m
Externí odkaz:
https://doaj.org/article/564eca471e9a456c8baee4ed919472ca
Autor:
Marvin Ludwig, Christian M. Runge, Nicolas Friess, Tiziana L. Koch, Sebastian Richter, Simon Seyfried, Luise Wraase, Agustin Lobo, M.-Teresa Sebastià, Christoph Reudenbach, Thomas Nauss
Publikováno v:
Remote Sensing, Vol 12, Iss 22, p 3831 (2020)
Unmanned aerial systems (UAS) are cost-effective, flexible and offer a wide range of applications. If equipped with optical sensors, orthophotos with very high spatial resolution can be retrieved using photogrammetric processing. The use of these ima
Externí odkaz:
https://doaj.org/article/3d3d75095419498cb6ac619adbaa1cc7
Publikováno v:
Global Ecology and Biogeography. 32:356-368
Autor:
Laura Martínez-Ferrer, Álvaro Moreno-Martínez, Jordi Muñoz-Marí, Hanna Meyer, Marvin Ludwig, Gustau Camps-Valls
Machine learning algorithms have become widely used for geospatial applications, including spatial mapping and upscaling ecological variables and traits. Multivariate splines, random forests, and neural networks have been widely used to upscale a few
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f15f2c31cc2f4ed6505d76d236821ec8
https://doi.org/10.5194/egusphere-egu23-5331
https://doi.org/10.5194/egusphere-egu23-5331
Autor:
Laura Giese, Jonathan Bahlmann, Maiken Baumberger, Jan Lehmann, Marvin Ludwig, Emilio Sanchez, Henning Schneidereit, Klaus-Holger Knorr, Hanna Meyer
Representing the Earth’s most efficient terrestrial carbon store, intact peatlands play a key role in climate change mitigation strategies and provide multiple other ecosystem services such as flood prevention and refugia for rare species. The carb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a574c94b20ac31f27dc86ce03264c25
https://doi.org/10.5194/egusphere-egu23-8929
https://doi.org/10.5194/egusphere-egu23-8929
Global-scale maps are an important tool to provide ecologically relevant environmental variables to researchers and decision makers. Usually, these maps are created by training a machine learning algorithm on field-sampled reference data and the appl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2dcdfcbc4c0f9f18703ff0c98811054
https://doi.org/10.5194/egusphere-egu22-7529
https://doi.org/10.5194/egusphere-egu22-7529
Autor:
Marvin Ludwig, Niels Dreber, Kerstin Wiegand, Bastian Hess, Yihui Liu, Hanna Meyer, Katrin M. Meyer
Publikováno v:
Landscape Ecology. 35:2061-2082
Context Piospheres describe herbivore utilization gradients around watering points, as commonly found in grass-dominated ecosystems. Spatially explicit, dynamic models are ideal tools to study the ecological and economic problems associated with the
Autor:
Ralf Zeidler, Nicolas Friess, Marvin Ludwig, Thomas Nauss, Christoph Reudenbach, Jannis Gottwald
Publikováno v:
Methods in Ecology and Evolution. 10:2163-2172
Autor:
Thomas P. Higginbottom, Thomas Nauß, Florian Detsch, Marvin Ludwig, Hanna Meyer, Theunis Morgenthal, Maite Lezama Valdes
Publikováno v:
Remote Sensing of Environment. 222:195-203
Bush encroachment is a highly relevant environmental issue in South African savannas, influencing ecological processes as well as the grazing capacity of the land. However the drivers of bush encroachment are not yet fully revealed which can partly b