نتایج جستجو برای: by 004 m2 van veen grab
تعداد نتایج: 7108244 فیلتر نتایج به سال:
Port activities such as ship traffic and dredging of port basin's sediment can impact biological communities the benthos, composition which remains unknown. Moreover, knowledge ivorian’s basin benthic fauna is concern to both scientists authorities in development their activities. This study carried out July December 2021, aimed provide first data on San-Pédro’s macroinvertebrates communities. ...
The objective of this research was to characterize the distribution dissolved nutrients at six sampling stations in estuary Anil River (ARE) and bottom sediment. study area is influenced by a tropical climate semidiurnal macrotidal regime. Sampling surface water sediment performed main channel distributed along rainy period (May 9th) dry (October 5th) during spring. Physical variables were coll...
An abstract is not available for this content. As you have access to content, full HTML content provided on page. A PDF of also in through the ‘Save PDF’ action button.
Klebs (12) reported in 1914 that the growth of beach, oak, ash, and hornbeam could be maintained even in winter if they were placed under continuous electric light. Since Klebs' report on the effect of day length on the growth of woody plants, there have been many studies pertaining to photoperiodism and dormancy in woody plants. They were amply reviewed by Samish (21), Wareing (24,26), and Nit...
پایش اکولوژیک مناطق ساحلی به منظور ارزیابی سلامت این زیستگاه ها از اهمیت ویژه ای برخوردار میباشد. هدف از این تحقیق ارزیابی کیفیت اکولوژیک آب های ساحلی دریای خزر بر اساس موجودات ماکروبنتوزی و با استفاده از شاخص(azti marine biotic index) ambi بود. برای این منظور 12 ایستگاه در سواحل دریای خزر در منطقه سیسنگان انتخاب و نمونه برداری در فصل پاییز 1391 با استفاده از نمونه بردار van veen انجام شد....
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید