Results 11 to 20 of about 17,950 (235)

Spatial Analysis of Astragalus verus Olivier Dieback: Understanding Patterns and Implications for Conservation in Iranian Rangelands [PDF]

Ecology and Evolution, Volume 16, Issue 4, April 2026.
Astragalus verus is undergoing dieback in Iran's Zagros and Central regions, raising concerns about its conservation. This study applied spatial point pattern analysis to assess the relationship between plant mortality and soil properties across twelve rangeland sites.
Asieh Sheikhzadeh, Hossein Bashari, Mostafa Tarkesh Esfahani, Hong Hai Nguyen   +3 more
wiley   +2 more sources

Viability Loss of Recalcitrant Brant’s Oak (Quercus brantii Lindl.) Acorns during Overwintering [PDF]

Journal of Nuts, 2022
The lack of germination success and subsequent seedling recruitment of recalcitrant acorns of Brant’s oak (Quercus brantii) has been described as one of the main reasons for the cessation of sexual regeneration in Zagros forests.
Ali Soltani
doaj   +1 more source

Spatio-temporal evolution of intraplate strike-slip faulting: the Neogene-Quaternary Kuh-e-Faghan Fault, Central Iran [PDF]

, 2016
Central Iran provides an ideal region to study the long-term morphotectonic response to the nucleation and propagation of intraplate faulting. In this study, a multidisciplinary approach that integrates structural and stratigraphic field investigations ...
Berberian, Claudio Faccenna, Cox, Domenico Cosentino, Dooley, Federico Rossetti, Finlay M. Stuart, Fossen, Gabriele Calzolari, Gianluca Vignaroli, Hafkenscheid, Hollingsworth, Homke, Jackson, Khadivi, Maria Laura Balestrieri, Marta Della Seta, Molnar, Raimondo, Reilinger, Reza Nozaem, Sella, Simons, Spotila, Valerio Olivetti   +24 more
core   +3 more sources

Intercomparison of PERSIANN-CDR and TRMM-3B42V7 precipitation estimates at monthly and daily time scales [PDF]

, 2017
In the first part of this paper, monthly precipitation data from Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks–Climate Data Record (PERSIANN-CDR) and Tropical Rainfall Measuring Mission 3B42 algorithm Version ...
Akbari Asanjan, A, Hsu, KL, Katiraie-Boroujerdy, PS, Sorooshian, S   +3 more
core   +1 more source

Option pricing under non-normal distribution in mixed of Gram-Charlier model and fractional models (A case study of Iran Stock Exchange‏) [PDF]

Mathematics and Modeling in Finance
In order to reduce the risk of financial markets, various tools have emerged, and option contracts are the most common tools in this regard. The Black-Scholes model is used to price a wide range of options contracts. The basic assumption in this model is
Mohammad Reza Haddadi, Hossein Nasrollahi   +1 more
doaj   +1 more source

Investigating bio-events and time expansion of Calcareous nannofossils in the upper part of the Gurpi Formation and lower part of the Pabdeh Formation, northwestern Shiraz [PDF]

Journal of Stratigraphy and Sedimentology Researches, 2020
In this study, calcareous nannofossils are investigated in the upper part of the Gurpi Formation and lower part of the Pabdeh Formation at the Par-e Nobar section located in the northwest of Shiraz. The thickness of the studied section is about 41 m. The
Saeedeh Senemari, Behzad Saeedi razavi
doaj   +1 more source

Sustainable forest management in Iran: a factor analysis [PDF]

, 2013
Since 1996, several Forest Resources Management Plans (FRMPs) have been launched by the Iranian government in order to approach sustainable forest management in the Zagros area in west and south-west Iran.
Azadi, Hossein, Hosseininia, Gholamhossein, Samari, Davood, Witlox, Frank, Zarafshani, Kiumarz   +4 more
core   +1 more source

A Comparative Analysis of Option Pricing Models Under Jump Dynamics, Skewness, and Non-Normal Kurtosis [PDF]

Journal of Asset Management and Financing
The Black-Scholes model assumes log-normal stock returns with constant volatility, yet empirical evidence reveals significant deviations, including skewness and excess kurtosis in financial markets.
Hossein Nasrollahi, Mohammad Reza Haddadi   +1 more
doaj   +1 more source

Petrography and Geochemistry of ophiolitic basalts from Marivan-Palangan region (Zagros, western Iran) [PDF]

پترولوژی, 2019
Basaltic rocks from Marivan-Palangan ophiolite suite (MPO), Zagros suture zone, western Iran, are studied for magmatic evolution, and source rock partial melting processes.
Azad Karimi, Ali Ahmadi, Abdolreza Partabian   +2 more
doaj   +1 more source

Of highland-lowland borderlands: local societies and foreign power in the Zagros-Mesopotamian interface [PDF]

, 2016
Narratives of civilization are spun from the juxtaposition of a civilized self with that of a barbarous other. Such an opposition is never more easily constructed than from the distinctiveness of lowland and mountain topographies, environments, and life ...
Casana, Jesse, Glatz, Claudia
core   +1 more source