اثر پخش سیلاب بر میزان پوشش، تراکم و تولید گونههای درختی و مرتعی در ایستگاه پخش سیلاب آب باریک بم | ||
| خشک بوم | ||
| دوره 12، شماره 2، مهر 1401، صفحه 57-68 اصل مقاله (889.68 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.29252/aridbiom.2023.20368.1947 | ||
| نویسندگان | ||
| افشین سلاجقه1؛ حمزه سعیدیان* 2؛ شاهین آقامیرزاده1؛ پیمان معدنچی2 | ||
| 1محقق بخش تحقیقات حافظت خاک و آبخیزداری، مرکز تحقیقات، آموزش کشاورزی و منابع طبیعی کرمان، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرمان، ایران | ||
| 2استادیار پژوهشی بخش تحقیقات حافظت خاک و آبخیزداری، مرکز تحقیقات، آموزش کشاورزی و منابع طبیعی کرمان، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرمان، ایران | ||
| چکیده | ||
| تأثیر پخش سیلاب با توجه به نوع خاک و اقلیم بر پوشش گونههای درختی و مرتعی تغییرات متفاوتی را نشان میدهد. پژوهش حاضر با هدف بررسی تغییرات دورهای پوشش گیاهی اعم از درختان کشت شدة مثمر، غیرمثمر و گونههای مرتعی در ایستگاه پخش سیلاب آب باریک بم انجام شده است. در این پژوهش بهمنظور انجام مطالعات بخش جنگل، ابتدا، عملیات تعیین محل پلاتها، انتخاب و علامتگذاری پایهها و تهیه شناسنامه انجام گردید. بدین منظور از قطعات مستطیلشکل 350 مترمربعی با توزیع تصادفی-منظم استفاده شد. با برداشت 13 قطعه نمونه در طول 6 کانال، مؤلفههای رویشی شامل قطر یقه، قطر سینه، ارتفاع و متوسط قطر تاج 216 پایه Eucalyptus camaldulensis بررسی آماری شدند. همچنین در بخش مطالعات مرتع، برای اندازهگیری درصد تاج پوشش و تراکم از پلاتهای 1×1 استفاده شد. برای اندازهگیری تولید علوفه خشک از روش قطع و توزین استفاده شد. نتایج نشان داد که پایههای Eucalyptus camaldulensis ایستگاه پخش سیلاب آب باریک بم با تراکم 531 پایه در هکتار، از متوسط ارتفاع 62/3 متر و میانگین قطر تنه در محل یقه به میزان 18 سانتیمتر و متوسط قطر تاج 6/3 متر برخوردارند. در بررسی پوشش مرتعی، اثر تیپ رویشی، فرم رویشی و اثر متقابل تیپ رویشی و فرم رویشی بر تاج پوشش معنیدار میباشد. همچنین اثر فرم رویشی، اثر متقابل تیپ رویشی در کانال، اثر متقابل کانال در فرم رویشی و اثر متقابل فرم رویشی و کانال نیز بر تراکم بوته معنیدار میباشد. | ||
| کلیدواژهها | ||
| پخش سیلاب؛ تاجپوشش؛ تیپ رویشی | ||
| عنوان مقاله [English] | ||
| The effect of flood spreading on the amount of cover, density and production of tree and rangeland species in Bam Abbarik flood spreading station | ||
| نویسندگان [English] | ||
| Afshin Salajagheh1؛ Hamzeh Saeidian2؛ Shahin Aghamirzadeh1؛ Peyman Madanchi2 | ||
| 1Researcher, Department of Soil Conservation and Watershed Management Research, Kerman Agricultural and Natural Resource Research Center, Agricultural Research, Education and Extension Organization, Kerman, Iran | ||
| 2Assistant Professor, Department of Soil Conservation and Watershed Management Research, Kerman Agricultural and Natural Resource Research Center, Agricultural Research, Education and Extension Organization, Kerman, Iran | ||
| چکیده [English] | ||
| The effects of flood spreading according to soil type and climate on vegetation cover of tree and rangeland species show different changes. The aim of this study was to investigate the periodic changes of vegetation including fruitful and non-fruitful cultivated trees and rangeland species in the Bam Abbarik flood spreading station. In this study, in order to perform forest studies, first the operation of locating the plots, selecting and marking the bases and preparing the certificate was carried out and rectangular parts of 350 square meters with random - systematic distribution were used. Also, in rangeland studies, 1×1 plots were used to measure canopy coved percentage and density and were recorded in the relevant tables. For measuring dry forage production, cut-off and weighing method were used. The results showed that Eucalyptus bases in this aquifer with density of 531 bases in hectare have an average height of 3.62 m and trunk diameter mean at collar site of 18 cm and the crown diameter average 3.6 m. In the study of rangeland cover, the effect of vegetative type, vegetative form, and interaction between vegetative type and vegetative form on crown was significant. Also, the effect of vegetative form, interaction of vegetative type in channel, channel interaction in vegetative form and vegetative form and channel interaction in this experiment were significant on plant density. | ||
| کلیدواژهها [English] | ||
| Flood spreading, Canopy, Vegetative type | ||
| مراجع | ||
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