
样式: 排序: IF: - GO 导出 标记为已读
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Investigating the reduction of rainfall intensity beneath an urban deciduous tree canopy Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-26 Mark Bryan Alivio, Mojca Šraj, Nejc Bezak
Trees have an indispensable role to play in the hydrological cycle. The process of interception by tree canopies alters the magnitude, pathway, and intensity of rainfall reaching the ground. This study investigates the rainfall intensity-attenuating effects of canopy interception by open-grown birch trees (Betula pendula Roth.) in an urban environment and the influence of atmospheric variables. Rainfall
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Spatial-temporal distribution and hazard assessment of maize lodging in a synergistic disaster environment Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-26 Xiao Wei, Jiquan Zhang, Dongni Wang, Chunli Zhao, Yunmeng Zhao, Ying Guo, Suri Guga
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Effects of different irrigation methods on regional climate in North China Plain: A modeling study Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-26 Tiangang Yuan, Amos P.K. Tai, Jia Mao, Oscar H.F. Tam, Ronald K.K. Li, Jin Wu, Sien Li
Agricultural irrigation is important in boosting crop yields in especially water-stressed regions, but little is known about the distinct climatic effects induced by different irrigation methods, particularly in the North China Plain (NCP) where irrigation is applied extensively. Here we examine the climatic effects of flood (FI), sprinkler (SI) and drip irrigation (DI) over NCP during the growing
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Inner Mongolia grasslands act as a weak regional carbon sink: A new estimation based on upscaling eddy covariance observations Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-23 Cuihai You, Yanbing Wang, Xingru Tan, Erqian Cui, Bingwei Zhang, Chenyu Bian, Boyu Chen, Mengzhen Xu, Xingguo Han, Jianyang Xia, Shiping Chen
Clarifying temporal and spatial variations of carbon exchanges of arid and semi-arid grasslands, the most widespread terrestrial ecosystem in the Northern China, is critical to evaluate regional and national carbon balance. However, estimating the carbon sequestration capability of arid and semi-arid grasslands still remains a challenge due to large interannual variability and high sensitivity to human
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Microclimate variation and recovery time in managed and old-growth temperate forests Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-22 František Máliš, Karol Ujházy, Lucia Hederová, Mariana Ujházyová, Linda Csölleová, David A. Coomes, Florian Zellweger
Microclimate is a key driver of forest dynamics and shapes the response of forest organisms to global warming. The spatial and temporal variability of microclimate is strongly affected by forest management, so it is important to know how microclimate varies along successional gradients of managed forests, and how microclimatic dynamics in managed forests differ from those in old-growth forests. We
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Changing maize hybrids helps adapt to climate change in Northeast China: revealed by field experiment and crop modelling Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-21 Jin Zhao, Zhijuan Liu, Shuo Lv, Xiaomao Lin, Tao Li, Xiaoguang Yang
Adopting new cultivars is an effective strategy to partially offset the negative effects of climate change on crop yields. We integrated the regional agro-meteorological observations, site-level field experiment data, and a process-based crop model to assess the effects of maize hybrid management on grain yield at meteorological sites across Northeast China. On a regional scale, for per 1 ℃ increase
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Effects of interaction between forest structure and precipitation event characteristics on fuel moisture conditions Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-21 Gergő Diószegi, Markus Immitzer, Mortimer M. Müller, Harald Vacik
Estimating forest fire danger is of primary concern for the Austrian forest fire management. The fine fuel moisture code (FFMC) of the Canadian Fire Weather Index (CFWI) is used for determining ignition danger. The FFMC is calculated by using the Integrated Nowcasting through Comprehensive Analysis (INCA) system, which provides interpolated weather parameters, available at 1 km2 spatial resolution
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The roles of radiative, structural and physiological information of sun-induced chlorophyll fluorescence in predicting gross primary production of a corn crop at various temporal scales Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-21 Peiqi Yang, Xinjie Liu, Zhigang Liu, Christiaan van der Tol, Liangyun Liu
Extensive research suggests that sun-induced chlorophyll fluorescence (SIF) and gross primary productivity (GPP) have a near-linear relationship, providing a promising avenue for estimating the carbon uptake of ecosystems. However, the factors influencing the relationship are not yet clear. This study examines the roles of SIF's radiative, structural, and physiological information in predicting GPP
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Crop residue retention increases greenhouse gas emissions but reduces chemical fertilizer requirement in a vegetable-rice rotation Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-21 Le Qi, Prem Pokharel, Rong Huang, Scott X. Chang, Xiaoqiang Gong, Tao Sun, Yueqiang Wu, Zifang Wang, Ming Gao
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Seasonal variations and driving mechanisms of CO2 fluxes over a winter-wheat and summer-maize rotation cropland in the North China plain Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-16 Zewei Yue, Zhao Li, Guirui Yu, Zhi Chen, Peili Shi, Yunfeng Qiao, Kun Du, Chao Tian, FengHua Zhao, Peifang Leng, Zhaoxin Li, Hefa Cheng, Gang Chen, Fadong Li
Characterization of crop CO2 fluxes in different growing periods and their corresponding responses to abiotic and biotic factors is essential for the adaption of cropland ecosystem carbon balance to future climate change and management practices. In this study, based on long-term (2003–2018) monitoring of CO2 fluxes, meteorological data and leaf area index (LAI) of a winter wheat-summer maize rotation
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Drivers and dynamics of foliar senescence in temperate deciduous forest trees at their southern limit of distribution in Europe Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-18 Paolo Zuccarini, Nicolas Delpierre, Bertold Mariën, Josep Peñuelas, Thilo Heinecke, Matteo Campioli
Research on autumn phenology is very important for understanding and simulating the future growth of temperate deciduous forests. This is especially needed at the southern edge of the temperate zone, where climate change impacts are particularly intense. We studied foliar senescence timing for mature stands of Fagus sylvatica L., Populus tremula L., Betula pendula Roth, Quercus petraea (Matt.) Liebl
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Human activities further amplify the cooling effect of vegetation greening in Chinese drylands Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-17 Yixuan Zhu, Yangjian Zhang, Yan Li, Zhoutao Zheng, Guang Zhao, Yihan Sun, Jie Gao, Yao Chen, Jianshuang Zhang, Yu Zhang
Vegetation change can provide strong feedback to climate system, but there is a severe shortage of understanding regarding how biogeophysical (BGP) processes related to vegetation changes and their impact on local temperature in arid and semi-arid regions of China (ASAC), a unique region where large-scale ecological engineering projects have been implemented. To address this knowledge gap, this study
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Spatiotemporal characteristics of evaporation in China and its response to revegetation in a typical region by a generalized complementary approach Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-15 Haixiang Zhou, Changwu Cheng, Mengjun Hu, Wenzhao Liu, Bo Zhang
The generalized nonlinear advection aridity (GNAA) model has been widely applied for evaporation estimations and drought assessments at regional and global scales. Here, the GNAA model was combined with a semi-empirical function for the parameter αe-B to estimate actual evaporation (E) in nine Level-I water resources regions and one typical revegetation area (i.e., the Loess Plateau) in China. The
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Large latitudinal difference in soil nitrogen limitation on global vegetation response to elevated CO2 Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-14 Hao Yan, Shaoqiang Wang, Herman H. Shugart
This study is the first to evaluate latitudinal characteristics of the coupled impacts of atmospheric-CO2 fertilization and soil nitrogen limitation on global plant photosynthesis for 2001–2019 by using a remote sensing-based light use efficiency model (DTECM-l-CN). It predicted that the global GPP should have increased by 0.40 Pg C a − 2 (PMK < 0.001) from 2001 to 2019. Leaf area index change contributed
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Relative effects of climate, stand environment and tree characteristics on annual tree growth in subtropical Cunninghamia lanceolata forests Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-13 Ruiting Liang, Yujun Sun, Siyu Qiu, Baoying Wang, Yunhong Xie
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Leaf hydraulic distance is a good predictor of growth response to climate aridity within and across conifer species in a Taiga ecosystem Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-13 Xingyue Li, Dayong Fan, Zhengxiao Liu, Zengjuan Fu, Changqing Gan, Zeyu Lin, Chengyang Xu, Han Sun, Xiangping Wang
Despite inter-specific differences in hydraulic traits at broad scale have been comprehensively studied, intra-specific hydraulic variability in situ is less well known. Which hydraulic traits can better predict whole-plant performance in field both within and across species remains largely ambiguous. In the study, we conducted a field investigation on branch radial growth, leaf and branch anatomical
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Spatial patterns and recent temporal trends in global transpiration modelled using eco-evolutionary optimality Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-14 Shijie Li, Guojie Wang, Chenxia Zhu, Marco Hannemann, Rafael Poyatos, Jiao Lu, Ji Li, Waheed Ullah, Daniel Fiifi Tawia Hagan, Almudena García-García, Yi Liu, Qi Liu, Siyu Ma, Qiang Liu, Shanlei Sun, Fujie Zhao, Jian Peng
Transpiration from vegetation accounts for about two thirds of land evapotranspiration (ET), and exerts important effects on of global water, energy, and carbon cycles. Resistance-based ET partitioning models using remote sensing data are one of the main methods to estimate global land transpiration, overcoming the limitation by the sparse distribution and short observation periods of site-level measurements
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The role of surface energy fluxes in determining mixing layer heights Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-11 Eric R. Beamesderfer, Sebastien C. Biraud, Nathaniel A. Brunsell, Mark A. Friedl, Manuel Helbig, David Y. Hollinger, Thomas Milliman, David A. Rahn, Russell L. Scott, Paul C. Stoy, Jen L. Diehl, Andrew D. Richardson
The atmospheric mixing layer height (MLH) is a critical variable for understanding and constraining ecosystem and climate dynamics. Past MLH estimation efforts have largely relied on data with low temporal (radiosondes) or spatial (reanalysis) resolutions. This study is unique in that it utilized continuous point-based ceilometer- and radiosonde-derived measurements of MLH at surface flux tower sites
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Dynamics and biophysical controls of nocturnal water loss in a winter wheat-summer maize rotation cropland: a multi-temporal scale analysis Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-07 Xiaonan Guo, Jingfeng Xiao, Tianshan Zha, Guofei Shang, Peng Liu, Chuan Jin, Yucui Zhang
Nocturnal water loss (NWL), the evapotranspiration minus dew at night, has been identified to play a significant role in the surface water and energy balance. However, few studies have examined the variability in NWL in croplands with high water consumption across different timescales. Here, based on the eddy-covariance measurements of latent heat flux during nighttime, the dynamics and biophysical
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Merging flux-variance with surface renewal methods in the roughness sublayer and the atmospheric surface layer Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-08 Milan Fischer, Gabriel Katul, Asko Noormets, Gabriela Pozníková, Jean-Christophe Domec, Matěj Orság, Zdeněk Žalud, Miroslav Trnka, John S. King
Two micrometeorological methods utilizing high-frequency sampled air temperature were tested against eddy covariance (EC) sensible heat flux (H) measurements at three sites representing agricultural, agro-forestry, and forestry systems. The two methods cover conventional and newly proposed forms of the flux-variance (FV) and surface renewal (SR) schemes of differing complexities. The sites represent
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Interannual variability of carbon dioxide (CO2) and methane (CH4) fluxes in a rewetted temperate bog Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-07 Tin W. Satriawan, Marion Nyberg, Sung-Ching Lee, Andreas Christen, T. Andrew Black, Mark S. Johnson, Zoran Nesic, Markus Merkens, Sara H. Knox
Peatland rewetting, a management effort to restore water levels in previously drained peatlands, is important for re-establishing the role of these peatlands as carbon (C) sinks. Since rewetted peatlands have a highly variable response to interannual variations in climatic conditions and functional changes, long term studies of C fluxes in these ecosystems are needed. Here, we evaluated the impact
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Coupling the CSM-CROPGRO-Soybean crop model with the ECOSMOS Ecosystem Model – An evaluation with data from an AmeriFlux site Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-09 Henrique Boriolo Dias, Santiago Vianna Cuadra, Kenneth J. Boote, Rubens Augusto Camargo Lamparelli, Gleyce Kelly Dantas Araújo Figueiredo, Andrew E. Suyker, Paulo Sérgio Graziano Magalhães, Gerrit Hoogenboom
Process-based simulation models, such as land surface (LSM) and crop models, are useful tools for studying the impacts of the environment, management and genotype on agricultural production. LSM are capable of simulating crop development and growth, but not in as much detail as the processes embedded in crop models. Crop models, on the other hand, do not usually have the ability to solve the surface
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Eddy covariance fluxes over managed ecosystems extrapolated to field scales at fine spatial resolutions Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-07 Songyan Zhu, Louise Olde, Kennedy Lewis, Tristan Quaife, Laura Cardenas, Nadine Loick, Jian Xu, Timothy Hill
To enable an evidence-based management of ecosystems to adapt to the climate crisis, we require fine spatiotemporal resolution estimates of carbon, water, and energy fluxes at the field scale. To overcome the limitations resulting from the coarse spatial resolution of existing flux products, e.g. 500 m (Running et al., 2015), and the challenges in matching eddy covariance (EC) footprints with land
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Polar-facing slopes showed stronger greening trend than equatorial-facing slopes in Tibetan plateau grasslands Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-04 Gaofei Yin, Xinyu Yan, Dujuan Ma, Jiangliu Xie, Rui Chen, Huiqin Pan, Wei Zhao, Changting Wang, Aleixandre Verger, Adrià Descals, Iolanda Filella, Josep Peñuelas
The orientation of slopes in alpine zones creates microclimates, e.g. equatorial-facing slopes (EFSs) are generally drier and warmer than are polar-facing slopes (PFSs). The vegetation growing in these microhabitats responds divergently to climatic warming depending on the slope orientation. We proposed a spatial metric, the greenness asymmetric index (GAI), defined as the ratio between the average
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From broadleaves to conifers: The effect of tree composition and density on understory microclimate across latitudes Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-04 Joan Díaz-Calafat, Jaime Uria-Diez, Jörg Brunet, Pieter De Frenne, Pieter Vangansbeke, Adam Felton, Erik Öckinger, Sara A.O. Cousins, Jürgen Bauhus, Quentin Ponette, Per-Ola Hedwall
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Monitoring monthly tropical humid forest disturbances with planet NICFI images in Cameroon Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-03 Yihang Zhang, Xia Wang, Xiaodong Li, Yun Du, Peter M. Atkinson
Selective logging and smallholder clearing are the dominant drivers of tropical forest disturbances in Cameroon (CAM). However, they are difficult to monitor accurately by satellite remote sensing because openings in the canopy can be very small, the vegetation is generally fast-growing, and cloud cover is common. Norway's International Climate and Forest Initiative (NICFI) provides access to monthly
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Projecting the effect of climate change on planting date and cultivar choice for South African dryland maize production Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-03 Robert Mangani, Kpoti M. Gunn, Nicky M. Creux
The anticipated climate change in South Africa is of great concern as Southern Africa appears to be warming at twice that of the global average, limiting maize production in the country and threatening food security in the region. The formulation of effective adaptation measures calls for understanding how projected changes in temperature, precipitation, and climate extremes might become misaligned
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Local site conditions reduce interspecific differences in climate sensitivity between native and non-native pines Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-01 Marcin Klisz, Radosław Puchałka, Marcin Jakubowski, Marcin Koprowski, Maksym Netsvetov, Yulia Prokopuk, Jernej Jevšenak
Two European pine species, Pinus sylvestris and Pinus nigra, are experiencing dieback as a result of the increasing frequency and intensity of extreme climatic events. Recent species distribution models predicted shrinkage of ecological niches in the near future and shifted their habitat range towards the northeast. Consequently, P. sylvestris may contract its range and P. nigra may expand in Central
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Planting time and stand density effect on radiation interception and use efficiency of maize and sunn hemp intercropping in semi-arid South Africa Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-01 Admire R. Dzvene, Weldemichael A. Tesfuhuney, Sue Walker, Gert Ceronio
Solar radiation must be efficiently utilised to enhance dry matter accumulation and carbon sequestration capacity within dryland agroecosystems. The study evaluated the effects of sunn hemp (Crotalaria juncea L.) intercropping time and stand density on radiation interception and radiation use efficiency (RUE) in a maize-based system. Field experiments were conducted under the in-field rainwater harvesting
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Using thermal imagery and changes in stem radius to assess water stress in two coniferous tree species Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-09-01 Rebecca Dunkleberger, David J. Sauchyn, Mark C. Vanderwel
With a warming climate and greater evaporative demand, many forest ecosystems are increasingly affected by water limitation as prolonged water deficits reduce tree-level growth and survival. Water deficit can be monitored in several ways, including from daily measurements of sap flow or changes in stem radius from automated sensors mounted on individual trees. As an alternative approach, we evaluated
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Dryspells and Minimum Air Temperatures Influence Rice Yields and their Forecast Uncertainties in Rainfed Systems Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-31 Abhijeet Abhishek, Mantha S. Phanikumar, Alicia Sendrowski, Konstantinos M. Andreadis, Mahya G.Z. Hashemi, Susantha Jayasinghe, P.V. Vara Prasad, Roberts J. Brent, Narendra N. Das
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Importance of the memory effect for assessing interannual variation in net ecosystem exchange Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-30 Weihua Liu, Honglin He, Xiaojing Wu, Xiaoli Ren, Li Zhang, Liang shi, Lili Feng, Yangang Wang, Yan Lv
Terrestrial carbon flux shows greater interannual variation (IAV) than the ocean and drives most temporal changes in the atmospheric CO2 growth rate. Accurate estimation of the interannual variation in the terrestrial carbon budget is crucial for predicting changes in the carbon balance of ecosystems and atmospheric CO2 concentrations in the context of climate change. However, the interannual variation
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Revisiting the main driving factors influencing the dynamics of gross primary productivity in the Mongolian Plateau Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-30 Fanhao Meng, Min Luo, Yunqian Wang, Chula Sa, Shanhu Bao, Yuhai Bao, Tie Liu
By contributing to what is considered as the world's largest carbon flux, global climate change has been significantly altering terrestrial vegetation gross primary production (GPP) at a global level. Thus, a robust understanding of the main driving factors influencing GPP change is neccessary for increasing terrestrial carbon sequestration potential of a region. In this study, we conduct an analysis
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Changes in plant species dominance maintain community biomass production under warming and precipitation addition in temperate steppe in Inner Mongolia, China Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-30 Zhiqiang Wan, Hasbagan Ganjurjav, Rui Gu, Guozheng Hu, Elise S. Gornish, Xi Chun, Haijun Zhou, Qingzhu Gao
Dominant species play a crucial role in regulating plant community structure and productivity. Climate change affects community productivity by changing plant traits and resource use efficiency. However, the response of the productivity of a dominant species to warming and precipitation addition and the related effects on community biomass production in semi-arid grasslands remain unclear. We conducted
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AI-IoT integrated framework for tree tilt monitoring: A case study on tree failure in Hong Kong Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-28 Wai Yi Chau, Yu-Hsing Wang, Siu Wai Chiu, Pin Siang Tan, Mei Ling Leung, Hoi Lun Lui, Jimmy Wu, Yun Man Lau
Urban forestry is a challenging task in densely populated cities. Tree failure accidents often induce casualties and property damage that should be prevented in advance. In light of such a need, an AI-IoT integrated framework for tree tilt monitoring is proposed in this study, and consists of three stages: (I) data collection through a LoRaWAN-based IoT tree monitoring system, called Internet of Tree
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Droughts force temporal change and spatial migration of vegetation phenology in the northern Hemisphere Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-28 Wenbo Yan, Feiling Yang, Jian Zhou, Ruidong Wu
Ecosystems are exposed to continuous shifts in droughts. This shows up as a point on a pixel that moves continuously in a specific direction and angle (spatial migration) to preserve its original climate niche. We currently do not have a good understanding whether ecosystems exposed to droughts are more sensitive to droughts temporal trends or spatial migrations. Using dataset of vapor pressure deficit
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Photosynthetic capacity, canopy size and rooting depth mediate response to heat and water stress of annual and perennial grain crops Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-28 G. Vico, F.H.M. Tang, N.A. Brunsell, T.E. Crews, G.G. Katul
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Urban forest microclimates across temperate Europe are shaped by deep edge effects and forest structure Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-28 Karen De Pauw, Leen Depauw, Kim Calders, Steven Caluwaerts, Sara A.O. Cousins, Emiel De Lombaerde, Martin Diekmann, David Frey, Jonathan Lenoir, Camille Meeussen, Anna Orczewska, Jan Plue, Fabien Spicher, Florian Zellweger, Pieter Vangansbeke, Kris Verheyen, Pieter De Frenne
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Species-specific growth responses to local and regional climate variability indicate the presence of a diversity portfolio effect in mediterranean tree assemblages Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-29 Lorién Tornos-Estupiña, Héctor Hernández-Alonso, Jaime Madrigal-González, Alice Rodrigues, Fernando Silla
Understanding the role of tree biodiversity in stabilizing ecosystem processes is of paramount importance in forest ecology, especially because of increasing temperatures and droughts. The portfolio effect is one of the main hypotheses explaining the biodiversity-stability relationship that has been defined as a variance reduction effect of biodiversity in an ecosystem process, so that fluctuations
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Application of statistical models in the detection of grapevine phenology changes Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-29 Branimir Omazić, Maja Telišman Prtenjak, Marijan Bubola, Josip Meštrić, Marko Karoglan, Ivan Prša
In recent decades, there have been significant changes in temperature and precipitation, as well as in the occurrence of phenological stages of the grapevine in most wine-growing regions around the world. These changes are not the same for each variety, nor in all locations. Due to the vulnerability of the viticulture sector, including the possible losses in production in the current winegrowing areas
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Microclimate heterogeneity modulates fine-scale edaphic and vegetation patterns on the Himalayan treelines: Implications under climate change Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-29 Maroof Hamid, Aadil Gulzar, Firdous A. Dar, C.P. Singh, Akhtar H. Malik, Azra N. Kamili, Anzar Ahmad Khuroo
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Machine learning for soybean yield forecasting in Brazil Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-26 Malte von Bloh, Rogério de S. Nóia Júnior, Xaver Wangerpohl, Ahmet Oğuz Saltık, Vivian Haller, Leoni Kaiser, Senthold Asseng
Brazil supplies half of the world's exported soybeans. Forecasting its national soybean yield before harvest could help mitigate disruptions in food supply. The objective of this study is to develop a national soybean yield forecasting system for Brazil based on machine learning (ML) models. Twenty years (2001–2020) of municipality yield, the Oceanic Niño Index (ONI), remote sensing, and gridded daily
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Intercomparison of micrometeorological variables, surface energy fluxes, and evapotranspiration in different landscapes of the Brazilian semi-arid region Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-27 Carlos André Alves de Souza, Alexandre Maniçoba da Rosa Ferraz Jardim, Luciana Sandra Bastos de Souza, George do Nascimento Araújo Júnior, Cleber Pereira Alves, José Edson Florentino de Morais, Daniela de Carvalho Lopes, Antonio José Steidle Neto, Kaique Renan da Silva Salvador, Thieres George Freire da Silva
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Compound hot extremes exacerbate forest growth decline in dry areas but not in humid areas in the Northern Hemisphere Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-26 Hongjun Yang, Wenjing Tao, Qimei Ma, Hanfeng Xu, Lingfeng Chen, Hongjun Dong, Yuchuan Yang, Nicholas G. Smith, Lei Chen
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Species diversity and competition have minor effects on the growth response of silver fir, European larch and Douglas fir to drought Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-26 Justine Charlet de Sauvage, Harald Bugmann, Christof Bigler, Mathieu Lévesque
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Higher site productivity and stand age enhance forest susceptibility to drought-induced mortality Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-26 Jarosław Socha, Paweł Hawryło, Luiza Tymińska-Czabańska, Björn Reineking, Marcus Lindner, Paweł Netzel, Ewa Grabska-Szwagrzyk, Ronny Vallejos, Christopher P.O. Reyer
Warmer and drier conditions increase forest mortality worldwide. At the same time, nitrogen deposition, longer growing seasons and higher atmospheric CO2 concentrations may increase site productivity accelerating forest growth. However, tree physiological studies suggest that increased site productivity can also have adverse effects, reducing adaptation to drought. Understanding such intricate interactions
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Long-term risk assessment of uprooting and stem breakage under drought conditions and at high N deposition in beech and Norway spruce Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-24 Sabine Braun, Beat Rihm, Simon Tresch, Christian Schindler
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Time-lag effects of flood stimulation on methane emissions in the Dongting Lake floodplain, China Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-24 Tao Wang, Zhengmiao Deng, Yonghong Xie, Buqing Wang, Shaoan Wu, Feng Li, Wei Wang, Yeai Zou, Xu Li, Zhiyong Hou, Jing Zeng, Mei Wang, Changhui Peng
Natural wetlands are the primary sources of CH4 emissions in the natural environment. However, the understanding of CH4 fluxes in floodplain wetlands remains limited. This study employed eddy covariance methods to observe CH4 fluxes over a three-year period in a subtropical wetland floodplain, specifically the Miscanthus sacchariflorus (M. sacchariflorus) ecosystem in Dongting Lake wetland. Our analysis
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Improving the ability of solar-induced chlorophyll fluorescence to track gross primary production through differentiating sunlit and shaded leaves Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-23 Zhaoying Zhang, Jing M. Chen, Yongguang Zhang, Manchun Li
Recently, solar-induced chlorophyll fluorescence (SIF) is a promising tool to estimate gross primary production (GPP). Photosynthesis gradually saturates with the increasing light, but fluorescence tends to keep increasing, leading to a nonlinear SIF-GPP relationship. This nonlinearity occurs for sunlit leaves but not for shaded leaves for which photosynthesis is light-limited. However, the separation
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A method for balancing the terrestrial water budget and improving the estimation of individual budget components Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-21 Zengliang Luo, Zichao Gao, Lunche Wang, Shaoqiang Wang, Lizhe Wang
Enforcing water budget closure is critical for providing consistent estimates of budget components to understand water movement between the atmosphere and the terrestrial land surface. However, existing water budget closure correction (BCC) methods do not consider improving the performance of budget-corrected datasets when closing the water budget. This study proposes a method for enforcing terrestrial
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Interannual variation in gross ecosystem production and evapotranspiration in a temperate semiarid grassland undergoing vegetation recovery Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-22 Xinhao Li, Tianshan Zha, Peng Liu, Charles P.-A. Bourque, Xin Jia, Yun Tian, Chuan Jin, Xiaoshuai Wei, Xinyue Liu, Hongxian Zhao, Qingfeng Xu, Shaorong Hao
Carbon gains (gross ecosystem production, GEP) and water losses (evapotranspiration, ET) are critical for assessing vegetation recovery potential in drylands. However, large uncertainties remain regarding the controlling factors that regulate GEP and ET in semiarid grasslands, especially during periods of vegetation re-establishment and succession. Using the eddy-covariance technique, we assessed the
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Modeling the potential impact of climate change on maize-maize cropping system in semi-arid environment and designing of adaptation options Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-21 Ghulam Abbas, Mukhtar Ahmed, Zartash Fatima, Sajjad Hussain, Ahmed M.S. Kheir, Sezai Ercişli, Shakeel Ahmad
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Biophysical factors control the interannual variability of evapotranspiration in an alpine meadow on the eastern Tibetan Plateau Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-21 Shaoying Wang, Yu Zhang, Xianhong Meng, Lunyu Shang, Suosuo Li, Zhaoguo Li, Youqi Su
Evapotranspiration (ET) is a key parameter regulating land–atmosphere interaction processes and the water cycle. The seasonal and interannual variability of ET and its environmental controls over an alpine meadow in a subfrigid humid zone of the Tibetan Plateau (TP) are reported on. Direct measurements were made using the eddy covariance method over a 10-year period with a significant increase in growing
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Wind regimes above and below a dense oil palm canopy: Detection of decoupling and its implications on CO2 flux estimates Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-20 Christian Stiegler, Tania June, Christian Markwitz, Nicolò Camarretta, Ashehad Ashween Ali, Alexander Knohl
In tall vegetation canopies, calm weather conditions may result in the formation of an isolated below-canopy air layer. Especially during night, below-canopy carbon dioxide (CO2) fluxes may be concealed from above-canopy eddy covariance (EC) measurements, masking the magnitude of CO2 net ecosystem exchange (NEE). Particular attention to this “nighttime problem” needs to be paid in oil palm (Elaeis
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Mapping spatial microclimate patterns in mountain forests from LiDAR Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-18 Michiel Vandewiele, Lisa Geres, Annette Lotz, Lisa Mandl, Tobias Richter, Sebastian Seibold, Rupert Seidl, Cornelius Senf
Forests create unique microclimates that have the potential to serve as microrefugia for species under climate change. Yet, our understanding of the heterogenous thermal patterns at the forest floor of complex landscapes (e.g., in mountain forests) remains incomplete. We here used Light Detection and Ranging (LiDAR) for predicting summer temperature offsets in a mountain forest landscape in the European
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Crop water use efficiency from eddy covariance methods in cold water-limited regions Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-18 Phillip Harder, Warren D. Helgason, Bruce Johnson, John W. Pomeroy
Crop–water interactions define productivity in water-limited dryland agricultural production systems in cold regions. Despite the agronomic and economic importance of this relationship there are challenges in quantifying crop water use efficiency (WUE). To understand dynamics driving crop water use and agricultural productivity in these environments, observations of evapotranspiration, carbon assimilation
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Proximal remote sensing and gross primary productivity in a temperate salt marsh Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-18 Alma Vázquez-Lule, Rodrigo Vargas
Salt marshes are highly productive ecosystems relevant for Blue Carbon assessments, but information for estimating gross primary productivity (GPP) from proximal remote sensing (PRS) is limited. Temperate salt marshes have seasonal canopy structure and metabolism changes, defining different canopy phenological phases, GPP rates, and spectral reflectance. We combined multi-annual PRS data (i.e., PhenoCam
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Weakening amplification of grassland greening to transpiration fraction of evapotranspiration over the Tibetan Plateau during 2001-2020 Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-16 Zheng Jin, Qinglong You, Zhiyan Zuo, Mingcai Li, Guodong Sun, Nick Pepin, Lixin Wang
Evapotranspiration plays a key role in regulating the water cycle in terrestrial ecosystems. Transpiration fraction to evapotranspiration (TF) characterizes the role of vegetation function in evapotranspiration and is a pivot feature for the interactions between soil, ecosystem, and the atmosphere. Generally, the amount of vegetation has the most direct impact to TF, but the sensitivity of TF to vegetation
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Evaluating wind damage vulnerability in the Alps: A new wind risk model parametrisation Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-17 Maximiliano Costa, Barry Gardiner, Tommaso Locatelli, Luca Marchi, Niccolò Marchi, Emanuele Lingua
The risk of wind damage to European forests is expected to increase due to the changed climate. Research efforts in forestry have been focussing on the development of analytical and modelling tools to aid with the evaluation and the prediction of forests' vulnerability to wind damage, and ultimately to inform forest management decisions aimed at promoting wind-resistance in forest stands. Recent catastrophic
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Individual tree volume estimation with terrestrial laser scanning: Evaluating reconstructive and allometric approaches Agric. For. Meteorol. (IF 6.2) Pub Date : 2023-08-17 Aline Bornand, Nataliia Rehush, Felix Morsdorf, Esther Thürig, Meinrad Abegg
Accurate estimates of above-ground tree biomass within forest inventories are essential for calibration and validation of biomass mapping products based on Earth observation data. Terrestrial laser scanning (TLS) enables detailed and non-destructive volume estimation of individual trees, which can be converted to biomass with wood basic density. Existing TLS-based approaches range from simple geometrical