نتایج جستجو برای: chlorophyta
تعداد نتایج: 2471 فیلتر نتایج به سال:
Abstract The macroalgal flora of Cantabria (north Spain) has attracted the interest many researchers on past occasions. Currently published information only reflects occasional collections from sporadic field visits to this region Spanish Atlantic coast. To overcome this, a historical overview research and publications, encompassing presence data recording, been undertaken. This work lists resu...
Morphology, taxonomy, and nomenclature of three species of Hawaiian green algae (Chlorophyta) are examined. Udotea? abbreviata Gilbert is shown to be incorrectly placed in that genus and more appropriately allied to Pseudochlorodesmis. The complex nomenclatural relationships of Cladophora tildeniae Brand in Tilden, Cladophora tildeniae Brand, and Cladophora hawaiiana Tilden are described, with ...
BACKGROUND, AIM, AND SCOPE Fujian reservoirs in southeast China are important water resources for economic and social sustainable development, although few have been studied previously. In recent years, growing population and increasing demands for water shifted the focus of many reservoirs from flood control and irrigation water to drinking water. However, most of them showed a rapid increase ...
مطالعه حاضر به منظور بررسی تغییرات ساختار جامعه فیتوپلانکتونی، میزان کلروفیل و برخی ویژگی-های محیطی در طی یک سال (93-92) به صورت فصلی در مخازن چاه نیمه¬های سیستان انجام شد. در طول مطالعه 28 جنس متعلق به پنج گروه chlorophyta ¬(12جنس)، bacillariophyta(7 جنس)، cyanophyta ¬( 5جنس)، dinophyta¬ (3 جنس) و euglenophyta (1 جنس) شناسایی شدند. بیشترین و کمترین میانگین فراوانی جامعه فیتوپلانکتونی به ترتیب...
Due to global warming, the decrease in water resources and difficulties reaching clean are important problems for people today. New studies on living creatures these provide information about status of resources. Algae necessary organisms survival other things environment because they oxygen live form first step food chain. very primary producers aquatic ecosystems in. importance, many carried ...
Photosynthesis, Assimilates, C-Metabolism, M arine/Freshw ater Algae, Taxonomy The representatives of the major algal divisions including Chlorophyta, Rhodophyta and Heterokontophyta usually show specific patterns o f accumulated photoassim ilatory products. Among these compounds, the accumulated low-molecular weight carbohydrates such as mono saccharides, disaccharides, alditols (i.e. polyhyd...
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