Evidence map›Paper›PMID 41663733›Full record

ArticleScientific reports2026

Land surface phenometrics and their responses to climatic variables in the semi-arid rangelands of the central Zagros mountains.

Fatemeh Pordel, Reza Jafari, Mostafa Tarkesh Esfahani, Mohsen Ahmadi, Geoffrey M Henebry, Ataollah Ebrahimi, Adrià Descals, Josep Penuelas

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Fatemeh PordelDepartment of Natural Resources, Isfahan University of Technology, Isfahan, 8415683111, Iran.
Reza JafariDepartment of Natural Resources, Isfahan University of Technology, Isfahan, 8415683111, Iran. reza.jafari@iut.ac.ir.
Mostafa Tarkesh EsfahaniDepartment of Natural Resources, Isfahan University of Technology, Isfahan, 8415683111, Iran.
Mohsen AhmadiDepartment of Natural Resources, Isfahan University of Technology, Isfahan, 8415683111, Iran.
Geoffrey M HenebryDepartment of Geography, Environment, and Spatial Sciences, Michigan State University, East Lansing, MI, 48824, USA.
Ataollah EbrahimiFaculty of Natural Resources and Earth Sciences, Shahrekord University, Chaharmahal va Bakhtiari, Iran.
Adrià DescalsGlobal Ecology Unit CREAF-CSIC-UAB, CSIC, Barcelona, Spain.
Josep PenuelasGlobal Ecology Unit CREAF-CSIC-UAB, CSIC, Barcelona, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

As climate change accelerates, phenological shifts in vulnerable semi-arid ecosystems remain poorly understood yet are of increasingly critical. Identifying the phenological stages of rangeland ecosystems, and quantifying how climate change affects each stage over time, is essential for effective rangeland management. This study aimed to investigate the long-term trends in land surface phenology (LSP) and the impact of climate variations on LSP in the semi-arid rangelands of Chaharmahal-Va-Bakhtiari (CVB) Province, Iran, from 2000 to 2023. Utilizing satellite data from MODIS NDVI, key LSP metrics were analyzed, including the start of the growing season (SOS), peak of the growing season (POS), end of the growing season (EOS), length of the growing season (LOS), and maximum vegetation greenness (maxNDVI). The findings indicate significant shifts: SOS, POS and EOS are occurring earlier, resulting in shorter growing season in many regions. These changes show strong correlations with climatic variables such as precipitation, temperature, and potential evapotranspiration, with temperature exhibiting the most significant relationship to changes in SOS. The Sen’s slope trend analysis showed that 25.74% of the study area experienced advancements in SOS, 23.2% % in POS, and 32.3% in EOS. Additionally, LOS has decreased in 70% of pixels with significant change. This study demonstrates that phenological patterns in the semi-arid rangelands of CVB are shifting in response to climate change. These findings highlight the need to implement adaptive management strategies to maintain the sustainability of these fragile ecosystems.

Indexed as

LSP trendMODIS NDVIPhenological metricsRangeland phenology

Identifiers

PMID41663733
PMCPMC12953864

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.