Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Torbern Tagesson"'
Autor:
Chunmei He, Jia Sun, Yuwen Chen, Lunche Wang, Shuo Shi, Feng Qiu, Shaoqiang Wang, Torbern Tagesson
Publikováno v:
International Journal of Digital Earth, Vol 16, Iss 1, Pp 272-288 (2023)
The ratio of leaf carotenoid to chlorophyll (Car/Chl) is an indicator of vegetation photosynthesis, development and responses to stress. However, the correlation between Car and Chl, and their overlapping absorption in the visible spectral domain pos
Externí odkaz:
https://doaj.org/article/68abba118944463783a659cc7c92486e
Autor:
Haftay Hailu Gebremedhn, Ousmane Ndiaye, Sylvanus Mensah, Cofélas Fassinou, Simon Taugourdeau, Torbern Tagesson, Paulo Salgado
Publikováno v:
Ecological Processes, Vol 12, Iss 1, Pp 1-12 (2023)
Abstract Background The savannah ecosystems of Sahel have experienced continuous and heavy grazing of livestock for centuries but still, their vegetation response to grazing pressure remains poorly understood. In this study, we analysed the herbaceou
Externí odkaz:
https://doaj.org/article/68c12bf4a1ac4b34ac7148dd25c51e14
Autor:
Paul Senty, Radoslaw Guzinski, Kenneth Grogan, Robert Buitenwerf, Jonas Ardö, Lars Eklundh, Alkiviadis Koukos, Torbern Tagesson, Michael Munk
Publikováno v:
Remote Sensing, Vol 16, Iss 11, p 1833 (2024)
Monitoring ecosystems at regional or continental scales is paramount for biodiversity conservation, climate change mitigation, and sustainable land management. Effective monitoring requires satellite imagery with both high spatial resolution and high
Externí odkaz:
https://doaj.org/article/a178c108184b45dba3ee1e9d35710e2e
Autor:
Yuwen Chen, Jia Sun, Lunche Wang, Shuo Shi, Feng Qiu, Wei Gong, Shaoqiang Wang, Torbern Tagesson
Publikováno v:
GIScience & Remote Sensing, Vol 60, Iss 1 (2023)
Leaf functional traits are key indicators of plant functions useful for inferring complex plant processes, including their responses to environmental changes. Vegetation indices (VIs) composed of a few reflectance wavelengths hold the advantages of b
Externí odkaz:
https://doaj.org/article/d127b0625120493f8a84f72292191ec1
Autor:
Chunmei He, Jia Sun, Yuwen Chen, Lunche Wang, Shuo Shi, Feng Qiu, Shaoqiang Wang, Jian Yang, Torbern Tagesson
Publikováno v:
Science of Remote Sensing, Vol 8, Iss , Pp 100100- (2023)
Leaf mass per area (LMA) and equivalent water thickness (EWT) are key indicators providing information on plant growth status and agricultural management, and their retrieval is commonly done through radiative transfer models (RTMs) such as the PROSP
Externí odkaz:
https://doaj.org/article/56f9eb4f3a414fd3b1f012789a0712b4
Autor:
Sofia Junttila, Jonas Ardö, Zhanzhang Cai, Hongxiao Jin, Natascha Kljun, Leif Klemedtsson, Alisa Krasnova, Holger Lange, Anders Lindroth, Meelis Mölder, Steffen M. Noe, Torbern Tagesson, Patrik Vestin, Per Weslien, Lars Eklundh
Publikováno v:
Science of Remote Sensing, Vol 7, Iss , Pp 100075- (2023)
Northern forest ecosystems make up an important part of the global carbon cycle. Hence, monitoring local-scale gross primary production (GPP) of northern forest is essential for understanding climatic change impacts on terrestrial carbon sequestratio
Externí odkaz:
https://doaj.org/article/398b8a41150f458abaebe0449199e798
Autor:
Jia Sun, Lunche Wang, Shuo Shi, Zhenhai Li, Jian Yang, Wei Gong, Shaoqiang Wang, Torbern Tagesson
Publikováno v:
Crop Journal, Vol 10, Iss 5, Pp 1251-1263 (2022)
Leaf pigments are critical indicators of plant photosynthesis, stress, and physiological conditions. Inversion of radiative transfer models (RTMs) is a promising method for robustly retrieving leaf biochemical traits from canopy observations, and add
Externí odkaz:
https://doaj.org/article/b207256238274cf0b26a1107816b58bb
Autor:
Antje Gärtner, Anna Maria Jönsson, Daniel B. Metcalfe, Thomas A. M. Pugh, Torbern Tagesson, Anders Ahlström
Publikováno v:
Forests, Vol 14, Iss 5, p 1017 (2023)
Dead standing trees (DSTs) generally decompose slower than wood in contact with the forest floor. In many regions, DSTs are being created at an increasing rate due to accelerating tree mortality caused by climate change. Therefore, factors determinin
Externí odkaz:
https://doaj.org/article/0ca8ed664ebf402aa1fe2f74b165c107
Autor:
Adama Lo, Abdoul Aziz Diouf, Ibrahima Diedhiou, Cyrille Djitamagne Edouard Bassène, Louise Leroux, Torbern Tagesson, Rasmus Fensholt, Pierre Hiernaux, Anne Mottet, Simon Taugourdeau, Daouda Ngom, Ibra Touré, Babacar Ndao, Mamadou Adama Sarr
Publikováno v:
Frontiers in Environmental Science, Vol 10 (2022)
Strengthening of feed security in the Sahel is urgently needed given the climate change and growing human population. A prerequisite to this is sustainable use of rangeland forage resources for livestock. Many studies have focused on the assessment o
Externí odkaz:
https://doaj.org/article/60a955dbe5544c08b9eedd43492b27d6
Autor:
Simon Taugourdeau, Antoine Diedhiou, Cofélas Fassinou, Marina Bossoukpe, Ousmane Diatta, Ange N’Goran, Alain Auderbert, Ousmane Ndiaye, Abdoul Aziz Diouf, Torbern Tagesson, Rasmus Fensholt, Emile Faye
Publikováno v:
Ecology and Evolution, Vol 12, Iss 5, Pp n/a-n/a (2022)
Abstract Herbaceous aboveground biomass (HAB) is a key indicator of grassland vegetation and indirect estimation tools, such as remote sensing imagery, increase the potential for covering larger areas in a timely and cost‐efficient way. Structure f
Externí odkaz:
https://doaj.org/article/6a9058151cbe45a78918781ac7c1c884