نتایج جستجو برای: acer mazandaranicum
تعداد نتایج: 3584 فیلتر نتایج به سال:
The 'ionic effect', i.e., changes in xylem hydraulic conductivity (k(xyl)) due to variation of the ionic sap composition in vessels, was studied in four Acer species growing in contrasting environments differing in water availability. Hydraulic measurements of the ionic effect were performed together with measurements on the sap electrical conductivity, leaf water potential and vessel anatomy. ...
The sap of Acer okamotoanum has been termed 'bone-benefit-water' in Korea owing to its mineral and sugar content. In particular, the calcium (Ca) and potassium (K) concentrations of the sap of Acer okamotoanum are 40- and 20-times higher, respectively, than commercial spring water. In the present study, we examined whether Acer okamotoanum sap improves or prevents hypertension-like symptoms in ...
REASONS FOR PERFORMING STUDY It is hypothesised that European atypical myopathy (AM) has a similar basis as seasonal pasture myopathy in North America, which is now known to be caused by ingestion of hypoglycin A contained in seeds from the tree Acer negundo. Serum from horses with seasonal pasture myopathy contained the conjugated toxic metabolite of hypoglycin A, methylenecyclopropyl acetic a...
The primary hypothesis for successful exotic plant invasions is that the invaders have escaped the specialist consumers that control them (Enemy Release Hypothesis). However, few studies have rigorously tested this assertion with biogeographical experiments or considered the effects of soil organisms. We tested the Enemy Release Hypothesis and the enhanced role of mutualisms by comparing densit...
پژوهش حاضر به مطالعه فلوریستیک–فیزیونومیک جنگلهای شمشاد منطقه فریم ساری پرداخته است. با استفاده از روش پیمایش صحرایی و طراحی 60 قطعهنمونه 400 مترمربعی به طور سیستماتیک-انتخابی در دو طبقه ارتفاعی کمتر و بیشتر از 1200 متر ارتفاع از سطح دریا، فهرست و درصد تاج پوشش گونهها ثبت شد. نتایج نشان داد که در این منطقه 47 تیره، 67 جنس و 77 گونه گیاهی وجود دارد. در بررسی طیف زیستی با روش رانکایر، فانروفیت...
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