نتایج جستجو برای: roopkund lake

تعداد نتایج: 42285  

A.S. Uzundumlu, H. Arslan, M. Atamanalp, M. Kokturk, O. Fakioglu,

The aim of this study was to identify the variation of plankton communities in the Tortum Lake. Changes in phytoplankton and zooplankton communities in relation to the abiotic environment were analyzed using multivariate analysis. Water samples were taken monthly from three sampling points of the Tortum Lake between June 2012 and May 2013. Water temperature (5.28-23.05°C), dissolved oxygen ...

2016
Qing-Quan LIU Yong GAO

An ecological dynamics model of algal growth was coupled with a two-dimensional lake hydrodynamic model to examine the eutrophication problem in Taihu Lake, China. The model included three water quality variables: chlorophyll-a (chl-a), total phosphorus (TP) and total nitrogen (TN). The model was used to investigate the wind-induced current and the characteristics and drivers of TP distribution...

2008
X. Shi X. Liu X. Wu Z. Lu K. Li E. Jeong

X. Shi, X. Liu, X. Wu, Z. Lu, K. Li, and E. Jeong Department of Physics, University of utah, Salt Lake City, Utah, United States, Department of physics, University of Utah, Salt Lake City, Utah, United States, Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, Utah, United States, Department of Pharmaceutics and Pharmaceutical Chemistry, university of ...

Farnaz Asadi Leila Mosleh, Roja Safaian

Parishan Lake has been selected by UNESCO as a biosphere reserve and was recorded as an international wetland in Ramsar convention in 1986. This region is located (29°31'N 51°48'E) at 820 m in Kazeroon, Fars province, south of Iran and is the largest freshwater lake in the country. Parishan Lake is extremely important for a wide variety of wintering waterfowl and also for breeding waterfowl, es...

Farnaz Asadi Leila Mosleh, Roja Safaian

Parishan Lake has been selected by UNESCO as a biosphere reserve and was recorded as an international wetland in Ramsar convention in 1986. This region is located (29°31'N 51°48'E) at 820 m in Kazeroon, Fars province, south of Iran and is the largest freshwater lake in the country. Parishan Lake is extremely important for a wide variety of wintering waterfowl and also for breeding waterfowl, es...

ژورنال: علوم آب و خاک 2015
اخوان, سمیرا , جودی حمزه‌آباد, آیدین ,

Urmia Lake, located in north-west of Iran, has been exposed to various threats such as drought, construction of dams, land use changes and increased global temperature. Due to the importance of Urmia Lake, it is feasible to conduct different kinds of studies to identify the problems of its watershed. The main objective of this study was to evaluate SWAT program’s ability to simulate runoff in U...

ژورنال: بوم شناسی آبزیان 2017

The estimation of fish potential production and trophic status are two important and necessary parts of fisheries management in lakes. This study was conducted to determinate the trophic status and fish production potential of Golbolagh Lake, for one year from October 2013 to September 2014. Physicochemical parameters and other necessary data such as chlorophyll a, phytoplankton phylum dominanc...

ژورنال: بوم شناسی آبزیان 2015
Abbasi, Marzieh , Rahmani, Tahsin ,

Zaribar Lake is a little shallow lake in Kurdistan province of Iran and it is faced to eutrophication.The study of phytoplankton biomass-nutrient relations is important in eutrophication management and there are many empirical models to predict phytoplankton biomass (chlorophyll a) based on nutrient (nitrogen and phosphorous) amounts in the lake. Evaluation of these empirical models and compar...

2004
G. N. Bwanika B. Makanga Y. Kizito L. J. Chapman J. Balirwa

In this study, we compare the diet, life history characters and abundance of Nile tilapia (Oreochromis niloticus) stocks between two crater lakes in western Uganda (Lake Nyamusingiri and Lake Kyasanduka) that differ in their history of fishing pressure. Both lakes support native fish communities, but also harbour populations of introduced O. niloticus. Lake Nyamusingiri was characterized by a h...

2016
Anastasija Isidorova Andrea G. Bravo Gunnhild Riise Sylvain Bouchet Erik Björn Sebastian Sobek

In many northern temperate regions, the water color of lakes has increased over the past decades (“lake browning”), probably caused by an increased export of dissolved organic matter from soils. We investigated if the increase in water color in two lakes in Norway has resulted in increased burial of organic carbon (OC) and mercury (Hg) in the sediments and if the Hg was prone to methylation. La...

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