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بازسازی جنگل تخریب شده با استفاده از گونه‌های بومی و غیربومی: بررسی حاصلخیزی خاک و کیفیت توده (مطالعه موردی: چمستان- استان مازندران) | ||
| تحقیقات جنگل و صنوبر ایران | ||
| مقاله 13، دوره 25، شماره 3 - شماره پیاپی 69، مهر 1396، صفحه 483-494 اصل مقاله (1.48 M) | ||
| نوع مقاله: علمی- پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijfpr.2017.112882 | ||
| نویسندگان | ||
| راضیه رفیعی جاهد1؛ محمدعلی فخاری2؛ جمشید اسلام‌دوست* 3؛ محبوبه فسحت4؛ یحیی کوچ5؛ سیدمحسن حسینی6 | ||
| 1کارشناس ارشد جنگلداری، دانشکده منابع طبیعی و علوم دریایی، دانشگاه تربیت‌مدرس، نور، ایران | ||
| 2دانشجوی دکتری جنگلداری، دانشکده کشاورزی و منابع طبیعی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری، ایران | ||
| 3کارشناس ارشد جنگلداری دانشکده منابع طبیعی و علوم دریایی، دانشگاه تربیت‌مدرس، نور، ایران | ||
| 4کارشناس ارشد جنگلداری، دانشکده منابع طبیعی و علوم دریایی، دانشگاه تربیت مدرس، نور، ایران | ||
| 5استادیار گروه جنگلداری، دانشکده منابع طبیعی و علوم دریایی، دانشگاه تربیت‌مدرس، نور، ایران | ||
| 6استاد گروه جنگلداری دانشکده منابع طبیعی و علوم دریایی، دانشگاه تربیت‌مدرس، نور، ایران | ||
| چکیده | ||
| این پژوهش به بررسی اثرات پنج توده جنگل‌کاری شده 20ساله با گونه‌های پلت (Acer velutinum Boiss.)، کریپتومریا (Cryptomeria japonica D. Don.)، زربین (Cupressus sempervirens L. var. horizontalis (Mill.) Gord.)، کاج تدا (Pinus taeda L.) و یک توده آمیخته بر حاصلخیزی خاک می‌پردازد. همچنین، مقایسه کیفیت تودههای مذکور با جنگل طبیعی به‌منظور انتخاب گونه مناسب برای کاشت در مناطق پایین‌بند جنگل‌های هیرکانی از اهداف این پژوهش بود. در هر توده، پنج قطعه‌نمونه مربعی شکل (400 متر مربعی) به‌صورت منظم- تصادفی مشخص شدند و مشخصه‌های کمی و کیفی درختان ثبت شد. همچنین، از سه عمق صفر تا 15، 30-15 و 45-30 سانتی‌متری خاک به‌صورت ترکیبی نمونه‌برداری شد و مشخصه‌های فیزیکی و شیمیایی خاک اندازه‌گیری شدند. نتایج نشان‌دهنده تأثیر معنی‌دار تودههای مورد مطالعه بر مشخصه‌های مورد بررسی بود. توده کاج تدا بیشترین (6/4) و توده پلت کمترین (5/5) مقدار اسیدیته، توده طبیعی بیشترین (ds/m2 0/18) و توده کریپتومریا کمترین (ds/m2 0/06) مقدار هدایت الکتریکی را داشتند. در توده کاج تدا بیشترین مقدار کربن آلی (1/29 درصد) و ازت کل (0/36 درصد) و در توده طبیعی کمترین مقدار کربن آلی (1/03 درصد) و ازت کل (0/08 درصد) مشاهده شد. توده آمیخته بیشترین (g/Kg 1/9) و توده کریپتومریا کمترین (g/Kg 1/8) مقدار فسفر را داشتند. همچنین، توده پلت بیشترین (t/ha 292830) و توده طبیعی کمترین (t/ha 223920) مقدار ترسیب کربن را داشتند. نتایج این پژوهش نشان داد که تودههای سوزنی‌برگ از نظر ویژگی‌های کیفی و عناصر غذایی موفق‌تر عمل کرده‌اند، در حالی‌که از نظر ویژگی‌های کمی و مقدار انباشتگی کربن خاک، تودههای پهن‌برگ موفق‌تر بودند. در مجموع و با توجه به شرایط منطقه، تودههای پهن‌برگ در مقایسه با تودههای سوزنی‌برگ از موفقیت بیشتری برخوردار بودند. | ||
| کلیدواژه‌ها | ||
| ترسیب کربن؛ جنگل طبیعی؛ پهن‌برگ؛ سوزنی‌برگ؛ مشخصه‌های رویشی | ||
| عنوان مقاله [English] | ||
| Restoration of degraded forest using native and exotic species: Investigation on soil productivity and stand quality (Case study: Chamestan-Mazandaran province) | ||
| نویسندگان [English] | ||
| Razieh Rafiei Jahed1؛ Mohammad Ali Fakhari2؛ Jamshid Eslamdoust3؛ Mahboubeh Fashat4؛ Yahya Kooch5؛ Seyyed Mohsen Hosseini6 | ||
| 1M.Sc. Forestry, Faculty of Natural Resource and Marine Sciences, Tarbiat Modares University, Noor, Iran | ||
| 2Ph.D. Student Forestry, Sari Agriculture Sciences and Natural Resource University, Sari, Iran | ||
| 3M.Sc. Forestry, Faculty of Natural Resource and Marine Sciences, Tarbiat Modares University, Noor, Iran | ||
| 4M.Sc. Forestry, Faculty of Natural Resource and Marine Sciences, Tarbiat Modares University, Noor, Iran | ||
| 5Assistant Prof., Department of Forestry, Faculty of Natural Resource and Marine Sciences, Tarbiat Modares University, Noor, Iran | ||
| 6Prof., Department of Forestry, Faculty of Natural Resource and Marine Sciences, Tarbiat Modares University, Noor, Iran | ||
| چکیده [English] | ||
| After 20 years, the effects of five plantations of Acer velutinum Boiss., Cryptomaria japonica D. Don., Cupressus sempervirens L. var. horizontalis (Mill.) Gord., Pinus taeda L.and mixed stand on soil fertility and quality of the stands were investigated and compared with natural forest to determine the appropriate species for planting in low land of Hyrcanian forests. Five 400 m2 plots were selected randomly- systematic in each stand. Quantitative and qualitative characteristics were recorded. Also, within each plot soil in 0-15, 15-30 and 30-45 cm depths were sampled. The results showed significant effect of reforestation on pH, EC, bulk density, organic carbon, total nitrogen, phosphorus and carbon sequestration in the soil. According to the result, P. taedahas the highest pH (4/6) while A. velutinum has the lowest pH (5.5), natural forest stand has the highest (18/0 ds/m) whereas C. japonica has the lowest (06/0 ds/m) EC. Pinus taeda has the highest organic carbon content (1.29%) and total nitrogen (0.36%) but the natural forest has the lowest amount of organic carbon (1.03%) and total nitrogen (0.08%). The mixed stand has the highest phosphorus (1.9 g/kg) and C. japonica has the lowest one (1.8 g/kg). The A. velutinum has the greatest (292830 Mg/ha) while the natural forest has the lowest (223920 Mg/ha) amount of carbon sequestration. The results showed the conifer stands have been more successful in terms of tree quality characteristic while broadleaf stands were more successful in the quantitative characteristic. Finally, it can be claimed that broadleaves stands were more successful in compare with conifer stands. | ||
| کلیدواژه‌ها [English] | ||
| Broadleaves, Carbon sequestration, Conifers, Growth Characteristics, natural forest, reforestation | ||
| مراجع | ||
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