Zobrazeno 1 - 10
of 1 547
pro vyhledávání: '"alborz"'
Autor:
Zahra Shakoori, Farid Salmanpour
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract Pollination services are crucial for maintaining ecological stability and ensuring food security for humans. Managed honey bees, which are economically valuable and are experiencing population growth due to the increasing demand for their pr
Externí odkaz:
https://doaj.org/article/50f6453d5b60437889e5cdbbbfd80b5d
Autor:
Leila Rezaei, Martin J. Timmerman, Uwe Altenberger, Mohssen Moazzen, Franziska D. H. Wilke, Christina Günter, Masafumi Sudo, Jiří Sláma
Publikováno v:
Swiss Journal of Geosciences, Vol 117, Iss 1, Pp 1-18 (2024)
Abstract The Alborz Mountains in north Iran underwent several tectono-metamorphic events during opening and closure of the Palaeotethys and Neotethys Oceans. These events are recorded by rare and discontinuously exposed metamorphic rocks, such as the
Externí odkaz:
https://doaj.org/article/b8d8f5dcf47d4be4bfb330148fb83ed3
Autor:
Komeil Rokni, Davood Akbari
Publikováno v:
Estudios Geográficos, Vol 85, Iss 296 (2024)
En este estudio, la efectividad de varias técnicas de procesamiento de imágenes, incluida la band ratio (BR), decorrelation stretch (DS), principal components analysis (PCA), minimum noise fraction (MNF), así como la composición de color falso AS
Externí odkaz:
https://doaj.org/article/793fbd990241413a8008b26497daa148
Autor:
Nahid Naseri, Reza Zarei Sahamieh, Matthew Leybourne, Anderson Costa Dos Santos, Ahmad Ahamadi Khalaji
Publikováno v:
پترولوژی, Vol 15, Iss 1, Pp 59-84 (2024)
Introduction Mineral chemistry data as well as petrography provide a comprehensive picture of magma crystallization conditions that support the conclusions based on geochemical data. In addition, the chemical composition of minerals such as clinopyro
Externí odkaz:
https://doaj.org/article/ea65f491e7bf41bdb681e140f59cd205
Autor:
Samaneh Ziapour, Khalegh Khoshnoodi
Publikováno v:
مجله علوم و فنون هستهای, Vol 45, Iss 1, Pp 155-167 (2024)
Two phosphorite deposits including Paghela and Gadok, within the Jiroud Formation (Upper Devonian) in the northeast of Firoozkuh in the Central Alborz geotectonic zone have been studied. Microscope studies show that fluorapatite is the main phosphate
Externí odkaz:
https://doaj.org/article/5000b8899d66414cb4aff6002c3c57d4
Publikováno v:
محیط زیست و توسعه فرابخشی, Vol 8, Iss 82, Pp 108-121 (2024)
Introduction: The population of Red Deer has decreased significantly, and the species distribution is restricted to only some core zones of protected areas of the country. The most important threatening factors in decline the population of the specie
Externí odkaz:
https://doaj.org/article/8bd2f13da6064db8bea733cd274a3bde
Autor:
Sepideh Yousefi Qaleh Salimi, Mehdi Gholamalifard, Seyed Mahmoud Ghasempouri, Abolfazl Rahbarizadeh
Publikováno v:
محیط زیست و توسعه فرابخشی, Vol 8, Iss 82, Pp 1-16 (2024)
Introduction: In recent years, natural habitats, especially protected areas, have mostly become fragmented and islanded and have been placed among human uses. Knowing the desirable wildlife habitats and understanding their characteristics is very imp
Externí odkaz:
https://doaj.org/article/f51c5cba61314a6487e243a33df45eec
Publikováno v:
Journal of Economic Geology, Vol 15, Iss 4, Pp 31-53 (2023)
This study investigates the geochemical and mineralogical characteristics of Takht Coal Spoils in Minoodasht, Iran. For this purpose, six representative spoil samples were collected. The geochemistry of the samples were studied using XRF and ICP-OES
Externí odkaz:
https://doaj.org/article/3435bd271b4144f68991df2e3d480fe9