نتایج جستجو برای: sea plants
تعداد نتایج: 326291 فیلتر نتایج به سال:
شهرها همواره به دلیل تمرکز محیطی کانون هجوم مخاطرات زیست محیطی می باشند و این مسئله به خصوص در شهرهای کشورهای درحال توسعه، نمود بیشتری می یابد. این مساله سبب وارد آمدن خسارات جبران ناپذیری به محیط زیست گشته است به گونه ای که محیط زیست به عنوان آسیب پذیرترین حوزه در توسعه شهرها به شمار می رود. به دنبال چنین اثرات منفی حاصل از رشد و توسعه بی برنامه بر روی محیط زیست، توجه به ارزیابی اثرات زیست محی...
This work suggests a solution for preventing/eliminating the predicted Sea Level Rise (SLR) by seawater desalination and storage through large number of plants distributed worldwide; it also comprises that desalinated can resolve global water scarcity complete coverage demand. level rise be prevented desalinating additional accumulated into oceans annually human consumption, while excess amount...
Recent declines in sea grass distribution underscore the importance of understanding microbial community structure-function relationships in sea grass rhizospheres that might affect the viability of these plants. Phospholipid fatty acid analyses showed that sulfate-reducing bacteria and clostridia were enriched in sediments colonized by the sea grasses Halodule wrightii and Thalassia testudinum...
A very flexible synthesis of non proteinogenic amino acids and an effective ring closure method for formation of macrolactams were elaborated. These methods are prerequisite for economical synthesis of cyclopeptides . The total syntheses of several cyclopeptides which had been isolated from plants, fungi and lower sea animals are described.
Marine animals and plants such as sponges, sea squirts, corals, worms and algae host diverse and abundant symbiotic microorganisms. Marine microbial symbionts are possible the true producers or take part in the biosynthesis of some bioactive marine natural products isolated from the marine organism hosts. Investigation of the pharmaceutical metabolites may reveal the biosynthesis mechanisms of ...
Eukaryotic organelles depend on nuclear genes to perpetuate their biochemical integrity. This is true for mitochondria in all eukaryotes and plastids in plants and algae. Then how do kleptoplasts, plastids that are sequestered by some sacoglossan sea slugs, survive in the animals' digestive gland cells in the absence of the algal nucleus encoding the vast majority of organellar proteins? For al...
the ethnobotanical study of medicinal plants in (dehe-lolo-vameghabad-bidoieh) village. kerman, iran
iran has a long history in the use of medicinal plants and traditional medicine. local people in the villages, especially the elderly, have useful information about health benefits and how to use these plants. therefore, it seems that collecting and recording this information leads to the revival of this traditional knowledge. the current research is an ethnobotanical study on the medicinal pla...
Strategic Environmental Assessment (SEA) is used to evaluate the environmental effects of regional plans and programs. SEA expresses dependencies between plan activities (infrastructures, plants, resource extractions, buildings, etc.) and environmental pressures, and between these and environmental receptors. In this paper we employ fuzzy logic and many-valued logics together with numeric trans...
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