همکاری با انجمن علمی مدیریت و کنترل مناطق بیابانی ایران

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار پژوهش، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان هرمزگان، سازمان تحقیقات، آموزش و ترویج کشاورزی، بندرعباس، ایران

2 استادیار پژوهشی،مؤسسه تحقیقات جنگل‌ها و مراتع کشور، سازمان تحقیقات، آموزش و ترویج کشاورزی، تهران، ایران.

چکیده

این بررسی برای نشان دادن رفتار رویشی گونه‌های Sphaerocoma aucheri، Cenchrus pennisetoformis، Heliotropium bacciferum و Moltkiopsis ciliata در طی سال‌های 1386 تا 1389 در مرتع سیریک استان هرمزگان انجام شد. تعیین تولید و مصرف با استفاده از پایه‌های متوسط انجام شد و هر ساله تعداد 5 پایه متوسط از گیاه به ازای همه ماه‌های فصل رویش و چرا در داخل محدوده قرق برای اندازه‌گیری تولید و به‌همین تعداد در عرصه چرا برای اندازه‌گیری باقیمانده تولید منظور گردید و از تفاضل آنها مقدار مصرف مشخص شد. نتایج نشان داد که سال‌ها و ماه‌های مختلف تأثیر معنی‌داری بر تولید و مصرف گونه‌های مورد بررسی داشته است. بررسی تولید خالص ماهانه نشان داد که تولید مرتع از شروع فصل رویش (دی‌ماه) تا پایان فصل رویش (اردیبهشت‌ماه) روند افزایشی داشت. بیشترین تولید و مصرف گونه‌ها در سال چهارم بود. تولید متوسط چهار گونه دائمی مورد بررسی در منطقه 3/292 کیلوگرم علوفه خشک در هکتار و سهم گونه Sphaerocoma aucheri در تولید بالا و به‌میزان 64 درصد کل علوفه تولیدی بود. میزان مصرف گونه‌ها در منطقه 5/133 کیلوگرم علوفه خشک در هکتار و سهم گونه Sphaerocoma aucheri نیز در مصرف بالا و به‌میزان 59 درصد کل علوفه مصرفی بود.

کلیدواژه‌ها

عنوان مقاله [English]

Production and consumption changes of range plants in Sirik Rangelands of Hormozgan Province

نویسندگان [English]

  • Abdolhamid Hajebi 1
  • Morteza Akbarzadeh 2
  • Mohammad Amin Soltanipoor 1

1 Assistant Professor, Hormozgan Agricultural and Natural Resources Research and Education Center, AREEO, Hormozgan, Iran

2 Assistant Professor, Rangeland Research Division, Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran

کلیدواژه‌ها [English]

  • production
  • consumption
  • Sirik rangelands
  • Hormozgan province
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