نتایج جستجو برای: choosing quit plant species

تعداد نتایج: 916380  

Arezu Alizadeh Moharam Ashrafzadeh Reza Erfanzadeh, Seyed Hamzeh Hosseini Kahnuj

Study on the livestock diet is one of the main priorities in the management of rangeland in Iran. So, this study was conducted to compare preference values of plant species in three age classes of Kaboudeh sheep (one, three and five year old ones) in rangelands of Bavanat, Fars province, Iran. For each age class, four sheep were selected and their grazing times from different plant species were...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

A. Abed Esfahani H. Amini K. Porsakhi M. Hoodaji M. Shirvani N. Samadi S. Kar

Development of a green belt with suitable plant species around the source of emission can mitigate the atmospheric contamination. Selection of such plant species are required to combat air pollution based on their tolerance level. Present study was undertaken to evaluate the tolerance level of higher plants in East of Esfahan city, Iran, during 2011 in terms of assessing Air Pollution Tolerance...

Characterization and extraction of plant secondary metabolites are important in agriculture, pharmaceutical, and food industry. In this regard, the applied analytical methods are mostly costly and time-consuming; therefore, choosing a suitable approach is essential for optimum results and economic suitability. One of the recently considered methods used to characterize new types of materials is...

2017
Daniel J. Crawford Nam Sook Lee Tod F. Stuessy

Journal: :Environmental toxicology and chemistry 2001
J S Lytle T F Lytle

Estuarine ecosystems are being rapidly degraded by environmental toxicants from municipal and industrial wastes, agricultural runoff, recreational boating, shipping, and coastal development, ranking them as the most anthropogenically degraded habitat types on earth. Toxicity tests are used to establish links between adverse ecological effects and the toxicity of environmental chemicals. However...

Journal: :Biodiversitas 2022

Abstract. Huong PV, Cuong LV. 2022. The ecological interaction between endangered, precious and rare woody species in rich forest community: A case study Tanphu protection forest, Vietnam. Biodiversitas 23: 6119-6127. present was conducted to explore the relationship precious, tree other Southeastern region, Thirty 2500 m2 plots (50 × 50 m) were established forest. results revealed that: compri...

Journal: :IOP conference series 2021

Abstract The paper presents the results of a study decorativeness pines, which are actively grown on territory European part Russia. Decorativeness is based visual perception plant habitus. state habitus depends genotype and adaptive characteristics in certain growing conditions. examined 25 decorative features 56 species. 24 traits were related to vegetative generative organs. 1 trait was asse...

Journal: :Sustainability 2023

The investigation and application of recovery techniques associated with the use qualitative quantitative indicators enable ecological restoration these sites. In this context, main difficulty consists establishing A horizon, capable supporting emergence other horizons, choosing appropriate species, adding organic matter to soil in a balanced way. Thus, study aimed evaluate over time (1992 2022...

Journal: :journal of rangeland science 0
jalil ahmadi ferdowsi university of iran mohammad farzam ferdowsi university of mashhad amir lagzian ferdowsi university of mashhad

fire is one of the incorporate vegetation management practices for grasslands and semi-arid rangelands. it may affect symbiotic relationship between range plants and mycorrhiza. accordingly, this research was aimed to investigate the effects of a spring prescribed fire on the symbiotic relationships between mycorrhiza and 6 plant species. the study was conducted in a semi-arid steppe rangeland ...

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