Plant communities of stubble-fields in the Lublin Region, P. I. Plant communities of poor sites
نویسندگان
چکیده
منابع مشابه
Evaluating changes in the plant communities after overgrazing in the Golbahar plain, northeast of Iran
Overgrazing affects plant communities, and is a significant disturbance factor in arid and semi-arid regions. The immediate changes of plant communities after overgrazing in the disturbed arid ecosystems of Iran have been poorly studied. We recorded data from 100 random samples before and after overgrazing in the Golbahar plain located in the northeastern Iran to determine the changes in the pl...
متن کاملAssembly of Plant Communities
• Communities are located within a larger species pool of potential colonists. The study of community assembly considers the mechanisms by which local communities are formed from the species pool. • Dispersal from the species pool, abiotic tolerance of colonists, and biotic interactions can all influence membership in local communities. • Phenotypic similarities and differences of co-occurring ...
متن کاملextraction and characterization of allium irancum plant extract and its application in the green synthesis of silver nano particles and oxidation of thiocarbony1 compounds
سنتز سبز نانوذرات فلزی (nps) درسالهای اخیر توجه بسیارزیادی را به خود جلب کرده است. زیرا این پروتوکل کم هزینه وسازگار با محیط زیست از روش های استاندارد سنتز. در این پایان نامه ما گزارش میکنیم یک روش ساده و سازگار با محیط زیست برای سنتز نانوذرات نقره با استفاده از محلول آبی عصاره گیاه allium iranicum به عنوان یک عامل کاهش دهنده ی طبیعی. نانو ذرات نقره مشخص شد با استفاده از تکنیک های uv-visible، x...
Sensitive Plant Communities
Over half of the southern landscape is forested, but nearly all of the land has been modified considerably, especially during the centuries following European settlement (See history chapters). Such extensive changes in the southern landscape have contributed to the threatened status of many plant and animal species that are now protected under the Endangered Species Act. Additionally these cha...
متن کاملPlant Communities in Eastern Mongolia
In this contribution is presented a phytosociological description of plant communities, recorded in the phytogeographical district of Eastern Mongolia, including parts of the Dornod (Eastern) and the Choybalsan aymags. The whole district is characterized by steppe vegetation. Other vegetation types, like elm (Ulmus pumila) bush vegetation, shrubbery on sandy and rocky sites, Salix miyabeana bus...
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ژورنال
عنوان ژورنال: Acta Agrobotanica
سال: 2013
ISSN: 2300-357X
DOI: 10.5586/aa.1989.019