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ارزیابی ﺗﻮان ذﺧﻴﺮه ﻛﺮﺑﻦ در گونه‌های هالوفیت و ﺧﺎک روﻳﺸﮕﺎهﻫﺎى ﺷﻮر (مطالعه موردی- دریاچه حوض سلطان قم) | ||
| تحقیقات آب و خاک ایران | ||
| دوره 56، شماره 4، تیر 1404، صفحه 983-994 اصل مقاله (1.23 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijswr.2025.386851.669859 | ||
| نویسندگان | ||
| سید مهدی ادنانی1؛ عباس پورمیدانی* 2؛ احسان زندی اصفهان3؛ حسین توکلی نکو1 | ||
| 1استادیار بخش تحقیقات جنگلها و مراتع، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان قم، سازمان تحقیقات، آموزش و ترویج کشاورزی، | ||
| 2بخش تحقیقات جنگل ها و مراتع، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان قم، سازمان تحقیقات، آموزش و ترویج کشاورزی، قم، ایران | ||
| 3دانشیار پژوهش، بخش تحقیقات مرتع موسسه تحقیقات جنگلها و مراتع، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران. ایران. | ||
| چکیده | ||
| این تحقیق به منظور بررسی و ﻣﻘﺎﻳﺴﻪ ﺗﻮان ﺗﺮﺳﻴﺐ ﻛﺮﺑﻦ اﻧﺪام ﻫﻮاﻳﻰ و زیرزمینی چهار گونه شورپسند بره‌تاغ (Halocnemum strobilaceum)، اشنان (Seidlitzia rosmarinus)، سنبله نمکی (Halostachys caspica) و گز (Tamarix ramosissima) و گونه غیر شورپسند درمنه دشتی (Artemisia sieberi) و نیز ﻣﻘﺎﻳﺴﻪ ﻣﻴﺰان ﻛﺮﺑﻦ ذﺧﻴﺮهﺷﺪه در ﺧﺎک روﻳﺸﮕﺎه ﺷﻮر و ﻏﻴﺮ ﺷﻮر در سال 1395 در مراتع حوض سلطان قم انجام شد. از اﻧـﺪامﻫـﺎی ﻫـﻮاﻳﻰ، زﻳﺮزﻣﻴﻨﻰ و ﺧﺎک زﻳﺮ ﺑﻮﺗﻪﻫﺎ ده ﻧﻤﻮﻧﻪ ﺑﺮداﺷﺖ و ﻣﻴﺰان ﻛﺮﺑﻦ آﻟﻰ ﻧﻤﻮﻧﻪﻫﺎی ﺳﺮﺷﺎﺧﻪ و رﻳﺸﻪ و نیز ویژگی‌های مختلف ﻧﻤﻮﻧﻪﻫﺎی ﺧﺎک تعیین گردید. نتایج تجزیه واریانس صفات اندازه گیری شده گیاهی ﻧﺸﺎن داد، اندام‌های هوایی ﭼﻬﺎر ﮔﻮﻧﻪ ﻣﻘﺎوم و ﻳﻚ ﮔﻮﻧﻪ شاهد، ﻗـﺎدر ﺑـﻪ ﺗﺮﺳﻴﺐ ﻛﺮﺑﻦ ﻫﺴﺘﻨﺪ. ﻣﻴﺰان ﻛﺮﺑﻦ ﻣﻮﺟﻮد در اندام‌های هوایی ﭘﻨﺞ ﮔﻮﻧﻪ اختلاف معنی‌داری در سطح 5% داشت. گونه گز بیشترین میزان کربن در اندام هوایی را دارا بود. در چهار گونه شورپسند، ﻣﻴـﺰان کربن آلی در رﻳﺸﻪها کمتر از ﺳﺮﺷﺎﺧﻪﻫﺎ بود. گونه‌های درﻣﻨـﻪ دشتی با 1/86 درصد و گز با 8/85 درصد ﺑﻴﺸـﺘﺮﻳﻦ ﻣﻘﺪار ذﺧﻴﺮه ﻛﺮﺑﻦ در واﺣﺪ ﺣﺠﻢ را داشتند. ﻣﻘﺪار ﻛﺮﺑﻦ ﺗﺮﺳﻴﺐ ﺷﺪه در ﺧﺎک زﻳﺮ ﺑﻮﺗﻪ ﮔﺰ ﺑﺎ 5/52 ﺗﻦ در ﻫﻜﺘﺎر ﺑﻴﺸﺘﺮﻳﻦ ﻣﻘﺪار و زیر بوته سنبله نمکی ﺑﺎ 9/29 ﺗﻦ در ﻫﻜﺘﺎر ﻛﻤﺘﺮﻳﻦ ﻣﻘﺪار را داشت. اﻳﻦ اﺧﺘﻼف می‌تواند ناشی از وجود بافت‌های چوبی و نیز ﻻﺷﺒﺮگ ﺗﻮﻟﻴﺪ ﺷﺪه بیشتر ﺗﻮﺳﻂ ﮔﺰ در ﻣﻘﺎﻳﺴﻪ ﺑﺎ سایر گونه‌ها باشد. گیاه ﮔﺰ ﻧﺴﺒﺖ ﺑﻪ ﺳﺎﻳﺮ ﮔﻮﻧﻪﻫﺎى هالوفیت ﻗﺎدر اﺳﺖ ﺣﺠﻢ ﺑﻴﺸﺘﺮى از ﻛﺮﺑﻦ ﻣﻮﺟﻮد در ﻓﻀﺎ را ﺟﺬب و ﺗﺮﺳﻴﺐ ﻧﻤﺎﻳﺪ. به‌دلیل حجم بالای بیوماس هوایی و تولید علوفه و نیز فرم رویشی درختچه‌ای، گز می‌تواند به عنوان گونه گیاهی مناسب جهت ﭘﺮوژهﻫﺎى اﺻﻼح ﻣﺮﺗﻊ و جهت ذخیره کربن در اراﺿﻲ ﺷﻮر مد نظر قرار گیرد. | ||
| کلیدواژه‌ها | ||
| اکوسیستم؛ شورروی؛ ﺗﺮﺳﻴﺐ ﻛﺮﺑﻦ؛ مناطق شور | ||
| عنوان مقاله [English] | ||
| Evaluation of the carbon sequestration of halophyte species and soil of saline habitats (Case study - Hoz Sultan lake) | ||
| نویسندگان [English] | ||
| Seyed Mehdi Adnani1؛ Abbas Pourmeidani2؛ Ehsan Zandi Esfahan3؛ Hossein Tavakoli Neko1 | ||
| 1Assistant professor of Forests and Rangelands Research Department, Qom Agricultural and Natural Resources Research and Education Center, AREEO, Qom, Iran. | ||
| 2Forests and Rangelands Research Department, Qom Agricultural and Natural Resources Research and Education Center, AREEO, Qom, Iran | ||
| 3Research Associate Professor, Rangeland Research Department, Forestry and Rangeland Research Institute, Agricultural Research, Education and Extension Organization, Tehran. Iran | ||
| چکیده [English] | ||
| Investigating the carbon sequestration of plants in saline areas is considered necessary because the adverse effects of climate change in these areas are twofold. The purpose of this research is to investigate and compare the carbon sequestration capacity of aerial and underground organs of four brackish species (Halocnemum strobilaceum), Oshnan (Seidlitzia rosmarinus), salt spike (Halostachys caspica) and Tamarix ramosissima and the non-saline species of the desert (Artemisia sieberi) and the comparison of the amount of carbon It was stored in the soil of saline and non-saline vegetation in the pastures around the salt bed of Hoz Sultan Qom. At the time of maximum plant growth, 10 samples were taken from aerial, underground and soil under the bushes and between the said bushes. The amount of organic carbon in the root and shoot samples, as well as the amount of organic carbon, electrical conductivity, acidity, texture and specific gravity of the soil samples were determined. The significance test of the amount of sequestered carbon in plant organs (aerial and underground) and soil was done using analysis and analysis of variance and comparison of means by Duncan's method. The results of the variance analysis of the studied traits showed that the aerial organs of four resistant species and one non-resistant species are capable of storing and sequestering carbon, and the amount of carbon in the aerial organs of the five investigated species has a significant difference at level 5% So that in Gaz species had the highest amount of carbon in the aerial parts. In 4 types of sharroi, the amount of organic carbon in the roots was lower than in the tops. In other words, carbon storage in aerial biomass was more than underground biomass. The average percentage of carbon stored in the stem and root of bare tag was 74.3%, Oshnan 80.6%, Salt spike 77.8%, Gaz 85.8%, and Plain sedge 86%. Therefore, the plains and Gaz species had the highest amount of carbon storage per volume unit. Also, the average amount of carbon in the soil of under the bushes was determined to be 0.75%, Oshnan 0.82%, Salt spike 0.85%, Gaz 1.47%, and Plain sedge 0.47%. The amount of carbon sequestered in the soil under the gas bush was the highest with 52.5 tons per hectare and the salt spike with 29.9 tons per hectare was the lowest. The amount of carbon measured in the soil at the foot of the gooseberry bush was higher than other brackish species. It seems that one of the important reasons for this difference is the higher amount of wood texture and leaf produced by Goose compared to other saltwater species. Compared to other investigated halophyte species, the gooseberry plant is able to absorb and sequester more carbon in the atmosphere. On the other hand, due to the high volume of aerial biomass and fodder production, as well as the shrub-like vegetative form, this species can be considered as a suitable plant species for pasture improvement projects and for carbon storage in saline lands. | ||
| کلیدواژه‌ها [English] | ||
| ecosystem, salinization, carbon sequestration, saline areas | ||
| مراجع | ||
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