نتایج جستجو برای: phytoplankton indices
تعداد نتایج: 95102 فیلتر نتایج به سال:
تالاب و شبه جزیره میانکاله یکی از ذخایر اصلی زیست کره یونسکو در ایران و خاورمیانه است. تنوع فیتوپلانکتونی تالاب میانکاله از مهرماه 88 الی شهریور 89 بررسی شده است. بخشی از کار توسط رمضان نژاد قادی انجام گرفته و این دومین مطالعه فلورستیک جلبک در تالاب میانکاله ایران است. پنج گروه اصلی جلبکی به نام های باسیلاریوفیتا، سیانوباکتری ها، کلروفیتا، اوگلنوفیتا و گزانتوفیتا گزارش شده است. 95 گونه و واریته...
Long-term observations are necessary to analyze and predict changes occurring in biological communities under global regional climatic changes. The data on seasonal long-term dynamics of chlorophyll plankton the Rybinsk Reservoir (Upper Volga, Russia) obtained May – October 2009–2019 at six standard stations using fluorescence method presented. In years with contrasting hydroclimatic conditions...
Phytoplankton taxa composition of the Caspian Sea were evaluated by using samples collected at 12 stations along the Iranian coast of the Caspian Sea between 1996 and 2010. This study identified 158 phytoplankton species consisted of diatoms (70 species), dinoflagellates (23 species), chlorophytes (29 species), cyanophytes (31 species), and euglenoids (5 species). The dominant species were the...
under the contemporary scenario of global climate change and increasing coastal eutrophication, baseline studies of phytoplankton diversity and distribution in relation to habitat conditions constitute the first approach to evaluate potential shifts at the base of the food webs. here we present data of phytoplankton species composition and environmental variables in winter 2006 in a temperate ...
Phytoplankton is considered a strong predictor of the environmental quality lakes, while Chlorophyll-a an indicator primary productivity. In this study, 25 LANDSAT images covering 2014–2021 period were used to predict in Villarrica lacustrine system. A recovery algorithm was calculated using two spectral indices (FAI and SABI). The that presented best statistical indicators floating algal index...
Phytoplankton growth and microzooplankton grazing were investigated at one station in the Homa Lagoon from February to January in 2006-2007. Our results showed significant seasonal variations in phytoplankton dynamics. Microzooplankton was mainly composed of dinoflagellates and tintinnid ciliates and nauplii. Microzooplankton grazing increased with increasing of temperature. Grazing rate was ma...
There is a need to increase our knowledge about phytoplankton diversity and distribution in the Iranian waters of the Persian Gulf and the Gulf of Oman. Phytoplankton samples along with environmental parameters of the Northeastern waters of the Gulf of Oman (Gordim Bay towards Gwadar Bay) were collected and recorded prior to summer monsoon (Mid of March 2013). Seven inshore and six offshore sta...
there is a need to increase our knowledge about phytoplankton diversity and distribution in the iranian waters of the persian gulf and the gulf of oman. phytoplankton samples along with environmental parameters of the northeastern waters of the gulf of oman (gordim bay towards gwadar bay) were collected and recorded prior to summer monsoon (mid of march 2013). seven inshore and six offshore sta...
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