نتایج جستجو برای: پیرو juniperus communis

تعداد نتایج: 6932  

Journal: :Brazilian Journal of Poultry Science 2022

This study was carried out to investigate the effects of adding fruit juniper berry (Juniperus communis) on performance, some carcass characteristics, serum parameters, histopathological features and jejunum villi lengths in broiler diets. A total 150 male chicks were used study. The housed for 42 days. One experimental groups a control group, diets 4 treatment included 0.5%, 1%, 1.5% 2% dried ...

Journal: :Annals of botany 2014
R Gruwez P De Frenne A De Schrijver O Leroux P Vangansbeke K Verheyen

BACKGROUND AND AIMS Environmental change is increasingly impacting ecosystems worldwide. However, our knowledge about the interacting effects of various drivers of global change on sexual reproduction of plants, one of their key mechanisms to cope with change, is limited. This study examines populations of poorly regenerating and threatened common juniper (Juniperus communis) to determine the i...

Journal: :Nature Climate Change 2023

Abstract Snow cover in high-latitude and high-altitude regions has strong effects on the Earth’s climate, environmental processes socio-economic activities. Over last 50 years, Alps experienced a 5.6% reduction per decade snow duration, which already affects region where economy culture revolve, to large extent, around winter. Here we present evidence from 572 ring-width series extracted prostr...

2015
Monika Kujawska Łukasz Łuczaj Joanna Typek

BACKGROUND Historical ethnobotanical studies are important, even if they are only descriptive, because they help to throw light on the missing chains needed for diachronic analysis. However, the documentation of traditional uses of plants in some countries, e.g. Ukraine, is still fragmentary. The aim of this contribution is to fill the gap and present a portion of the data set, from western Ukr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان 1379

برای دستیابی به رابطه بین پارامترهای پوشش گیاهی با عوامل محیطی و ادافیکی بخشی از مراتع حفاظت شده جهان نما مورد بررسی قرار گرفت . نخست اقدام به تهیه نقشه های پایه، تعیین وضعیت توپوگرافی و جمع آوری آمار هواشناسی منطقه گردید و سپس در واحدهای نمونه گیری شانه ای (100x100 متر) در پلاتهای تصادفی یک متر مربعی پارامترهای درصد پوشش تاجی، تولید و درصد بهره برداری به عنوان متغیرهای تابع و عوامل توپوگرافی ش...

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