Document Type : علمی - پژوهشی


1 Associate Prof., Dep. of Natural Resources, Isfahan University of Technology, Isfahan

2 M.Sc. Student, Dep. of Natural Resources, Isfahan University of Technology, Isfahan

3 Assistant Prof., Dep. of Natural Resources, Isfahan University of Technology, Isfahan


Temperature is the most important parameter for studying spatiotemporal phenological changes in plants. Thus, the current study was aimed to investigate the potential of MODIS land surface temperature (LST) data for mapping growing degree days (GDD) and different phenological stages of Bromus tomentllus and Astragalus effusus in Chaharmahal and Bakhtiari Province. MODIS extracted maps of maximum, minimum and mean temperature, GDD index and phenological stages from 2018 to 2019 during growing season were assessed against weather station data and also field-based phenilogical data using Pearson analysis in three regions with different altitudes. Results showed that MODIS LST and GDD maps had more than 91 and 99% correlations with field-based air temperature and GDD data, respectively (p<0.001). In early growing season, GDD values were less than 16 degree-days and they were more than 5200 degree-days in the late growing season which explained one and all the phenological stages of the studied species in the study area, respectively. The study findings indicated that MODIS data have high capability in spatiotemporal stratification of phenological stages of the Bromus tomentllus and Astragalus effuses plant species. The knowledge of different phenological stages is essential in species conservation and rangeland sustainable utilization, therefore, species phenology map can be used as an effective tool in rangeland management in the related organizations.


Ahmadi, A., Shahmoradi, A., Zarehkia, S. & Nateghi, S., 2013, Autecology of Astragalus effusus in Western Azarbayejan Province, Desert and Rangeland Research, 1, PP. 172-181.
Alikhahasl, M., Azarnivand, H., Arzani, H., Jafari, M. & Zare Chahouki, M.A., 2009, The Ralationship between Palatability and Leaf Stem Weight Ratio in Different Phenological Stages, Rangeland, 3, PP. 246-258.
Amiri, R., Weng, Q., Alimohammadi, A. & Alavipanah, S.K., 2009, Spatial–Temporal Dynamics of Land Surface Temperature in Relation to Fractional Vegetation Cover and Land Use/Cover in the Tabriz Urban Area, Iran, Remote Sensing of Environment, 113, PP. 2606-2617.
Amiri, M., Tarkesh, M., Jafari, R. & Jetschke, G., 2020, Bioclimatic Variables from Precipitation and Temperature Records vs. Remote Sensing-Based Bioclimatic Variables: Which Side Can Perform Better in Species Distribution Modeling?, Ecological Informatics, 57, P. 1-35.
Anandhi, A., 2016, Growing Degree Days – Ecosystem Indicator for Changing Diurnal Temperatures and their Impact on Corn growth Stages in Kansas, Ecological Indicators, 61, PP. 149-158.
Azarnivand, H., Tarkesh, M., Basiri, M., Saeedfar, M. & Zareh, M., 2010, Determining the Phenology of Bromus Tomentellus Using Growing Degree Days, Desert and Rangeland Research, 32, PP. 1-10.
Benali, A., Carvalho, A.C., Nunes, J.P., Carvalhais, N. & Santos, A., 2012, Estimating Air Surface Temperature in Portugal Using MODIS LST Data, Remote Sensing of Environment, 124, PP. 108-121.
Bertoldi, G., Notarnicola, C., Leitinger, G., Endrizzi, S., Zebisch, M., Della Chiesa, S. & Tappeiner, U., 2010, Topographical and Ecohydrological Controls on Land Surface Temperature in an Alpine Catchment, Ecohydrology: Ecosystems, Land and Water Process Interactions, Ecohydrogeomorphology, 3, PP. 189-204.
Bollero, G.A., Bullock, D.G. & Hollinger, S.E., 1996, Soil Temperature and Planting Date Effects on Corn Yield, Leaf Area, and Plant Development, 88, PP. 385-390.
Chen, X. & Pan, W., 2002, Relationships Among Phenological Growing Season, Time-Integrated Normalized Difference Vegetation Index and Climate Forcing in the Temperate Region of Eastern China, International Journal of Climatology, 22, PP. 1781-1792.
Colombi, A., de Michele, C., Pepe, M. & Rampini, A., 2007, Estimation of Daily Mean Air Temperature from MODIS LST in Alpine Areas, 6, PP. 38-46.
Ding, C., Huang, W., Zhao, S., Zhang, B., Li, Y., Huang, F. & Meng, Y., 2022, Greenup Dates Change across a Temperate Forest-Grassland Ecotone in Northeastern China Driven by Spring Temperature and Tree Cover, Agricultural and Forest Meteorology, 314, P. 108780.
Gallo, K., Hale, R., Tarpley, D. & Yu, Y., 2011, Evaluation of the Relationship between Air and Land Surface Temperature under Clear- and Cloudy-Sky Conditions, Journal of Applied Meteorology and Climatology, 50, PP. 767-775.
Ghasriani, F. & Hedari Sharifabad, H., 2000, Phenological Study of Some Rangeland Plants at Kurdestan Mountains, Pajouhesh-va- Sazandegi, 13, PP. 63-58.
Gordo, O. & Sanz, J.J., 2010, Impact of Climate Change on Plant Phenology in Medi-terranean Ecosystems, Global Change Biology, 16, PP. 1082-1106.
Hassan, Q., Bourque, C.P.A., Meng, F.-R. & Richards, W., 2007, Spatial mapping of Growing Degree Days: An Application of MODIS-Based Surface Temperatures and Enhanced Vegetation Index, Journal of Applied Remote Sensing, 1, PP. 1-12.
Hosseini, S. & Ehsani, A., 2017, Phenology Study of the Most Important Range Plants Saraliabad-e- Gorgan, Desert and Rangeland Research, 24, PP. 635-645.
Ishida, T. & Kawashima, S., 1993, Use of Cokriging to Estimate Surface Air Temperature from Elevation, Theoretical and Applied Climatology, 47, PP. 147-157.
Jafari, R. & Hasheminasab, S., 2017, Assessing the Effects of Dam Building on Land Degradation in Central Iran with Landsat LST and LULC Time Series, Environmental Monitoring and Assessment, 189, PP. 1-15.
Jamali, M.M., 2012, Investigate the Effect of Drought Stress and Different Amount of Chemical Fertilizers on Some Physiological Characteristics of Coriander (Coriandrum Sativum L.), International Journal of Agronomy and Plant Production, 3, PP. 585-589.
Jing, W., Yang, Y., Yue, X. & Zhao, X., 2016, A Spatial Downscaling Algorithm for Satellite-Based Precipitation over the Tibetan Plateau Based on NDVI, DEM, and Land Surface Temperature, Remote Sensing, 8, P. 655.
Kazem, Y., Houshmand, S. & Dadane, G.Z., 2010, Karyotype Analysis of Astragalus Effusus Bunge (Fabaceae), Caryologia, 63, PP. 257-261.
Kemp, P.R., 1983, Phenological Patterns of Chihuahuan Desert Plants in Relation to the Timing of Water Availability, The Journal of Ecology, PP. 427-436.
Kenshlou, H. & Achak, M., 2015, Phenology and GDD Investigation of Salvadora Oleoides in Balouchestan, Journal of Pland Research, 28, PP. 607-616.
Keramitsoglou, I., Kiranoudis, C.T., Ceriola, G., Weng, Q. & Rajasekar, U., 2011, Identification and Analysis of Urban Surface Temperature Patterns in Greater Athens, Greece, Using MODIS imagery, Remote Sensing of Environment, 115, PP. 3080-3090.
Khakpour, B., Kazemi, M., Asadi, A. & Razavi, M., 2012, Analyzing Urban Green Space and Determining Optimum Location Using Raster Caculation Models, Journal of Environment Science and Technology, 17, PP. 117-129.
Liu, L., Liu, L., Liang, L., Donnelly, A., Park, I. & Schwartz, M.D., 2014, Effects of Elevation on Spring Phenological Sensitivity to Temperature in Tibetan Plateau Grasslands, Chinese Science Bulletin, 59, PP. 4856-4863.
Luo, Q., Song, J., Yang, L. & Wang, J., 2019, Improved Spring Vegetation Phenology Calculation Method Using a Coupled Model and Anomalous Point Detection, Remote Sensing, 11, PP. 1-20.
Menzel, A., 2003, Plant Phenological Anomalies in Germany and Their Relation to Air Temperature and NAO, Climatic Change, 57, PP. 243-263.
Mirhaji, S., Sandgol, A., Ghasemi, M. & Noori, S., 2009, Application of Growing Degree Days (GDD) in Determing Phenological Stages of Four Species of Grasses in Absard Rangeland Reseaarch Station, Desert and Rangeland Research, 17, PP. 362-376.
Moghbel, M. & Shamsipour, A.A., 2019, Spatiotemporal Characteristics of Urban Land Surface Temperature and UHI Formation: A Case Study of Tehran, Iran, Theoretical and Applied Climatology, 137, PP. 2463-2476.
Mutiibwa, D., Strachan, S. & Albright, T., 2015, Land Surface Temperature and Surface Air Temperature in Complex Terrain, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 8, PP. 4762-4774.
Nieto, H., Sandholt, I., Aguado, I., Chuvieco, E. & Stisen, S., 2011, Air Temperature Estimation with MSG-SEVIRI Data: Calibration and Validation of the TVX Algorithm for the Iberian Peninsula, Remote Sensing of Environment, 115, PP. 107-116.
Rashvand, S., Yeganeh, H. & Sanaei, A., 2016, Investigating the Phenological Stages of Bromus Tomentellus and Festuca Ovina  in Qazvin Alamout Station, Journal of Pland Research, 27, PP. 635-646.
Ren, S., Chen, X. & Pan, C., 2022, Temperature-Precipitation Background Affects Spatial Heterogeneity of Spring Phenology Responses to Climate Change in Northern Grasslands (30°N-55°N), Agricultural and Forest Meteorology, 315, PP. 108816.
Saeedfar, M. & Rasti, M., 2000, Phenology Study of Rangeland Plants in Hanna Region of Semirom County, Rangelands and Forests Research Institude Publications, 231, PP. 79-120.
Sandgol, A., 2007, The Effect of Short Term Grazing Systems and Intensity on Forage Quality (Bromus Tomentellus), Desert and Rangeland Research, 10, PP. 237-255.
Schuyler, E.M., Ellsworth, L.M., Sanchez, D.M. & Whittaker, D.G., 2021, Forage Quality and Quantity in Migratory and Resident Mule Deer Summer Ranges, Rangeland Ecology & Management, 79, PP. 43-52.
Soltani, S., Yaghmaei, L., Khodagholi, M. & Saboohi, R., 2011, Bioclimatic Classification of Chahar-Mahal &Bakhtiari Province Using Multivariate Statistical Methods, JWSS-Isfahan University of Technology, 14, PP. 53-68.
Sun, D., Li, Y., Zhan, X., Yang, C. & Yang, R., 2018, Integrating Optical and Microwave Satellite Observations for High Resolution Soil Moisture Estimate and Applications in CONUS Drought Analyses, Remote Sensing, 7, PP. 1-14.
Tolleson, D.R., Angerer, J.P., Kreuter, U.P. & Sawyer, J.E., 2020, Growing Degree Day: Noninvasive Remotely Sensed Method to Monitor Diet Crude Protein in Free-Ranging Cattle, Rangeland Ecology & Management, 73, PP. 234-242.
Tomaszewska, M.A., Nguyen, L.H. & Henebry, G.M., 2020, Land Surface Phenology in the Highland Pastures of Montane Central Asia: Interactions with Snow Cover Seasonality and Terrain Characteristics, Remote Sensing of Environment, 240, PP. 1-25.
Zafarian, E., Ebrahimi, A., Abbasi, A. & Asadi, E., 2019, Required Growing Degree-Days (GDDs) for each Phenological Stage of Fritillaria Imperialis, Journal of Rangeland Science, 9, PP. 62-73.
Zhang, L., Huang, J., Guo, R., Li, X., Sun, W. & Wang, X., 2013, Spatio-Temporal Recons-truction of Air Temperature Maps and Their Application to Estimate Rice Growing Season Heat Accumulation Using Multi-Temporal MODIS Data, Journal of Zhejiang University. Science. B, 14, PP. 144-161.
Zheng, L., Xu, J., Li, D., Xia, Z., Chen, Y., Xu, G. & Lu, D., 2021, Increasing control of Climate Warming on the Greening of Alpine Pastures in Central Asia, International Journal of Applied Earth Observation and Geoinformation, 105, P. 102606.
Zheng, J., Jia, G. & Xu, X., 2022, Earlier Snowmelt Predominates Advanced Spring Vegetation Greenup in Alaska, Agricultural and Forest Meteorology, 315, P. 108828.
Yin, Y., Deng, H. & Ma, D., 2022, Complex Effects of Moisture Conditions and Temperature Enhanced Vegetation Growth in the Arid/humid Transition Zone in Northern China, Science of The Total Environment, 805, P. 150152.