نتایج جستجو برای: artemia parthenogenetica

تعداد نتایج: 2520  

Journal: :PeerJ 2016
Marta I Sánchez Cathleen Petit Mónica Martínez-Haro Mark A Taggart Andy J Green

Limited information exists regarding the complex interactions between biological invasions, pollution, and climate change. Most studies indicate that pollution tends to favor invasive species. Here, we provide evidence that arsenic (As) pollution may have a role in limiting the invasion of the exotic brine shrimp Artemia franciscana. We tested As toxicity in natural populations of Artemia parth...

2010
Joaquín Muñoz Africa Gómez Andy J. Green Jordi Figuerola Francisco Amat Ciro Rico

BACKGROUND Understanding the evolutionary origin and the phylogeographic patterns of asexual taxa can shed light on the origin and maintenance of sexual reproduction. We assessed the geographic origin, genetic diversity, and phylogeographic history of obligate parthenogen diploid Artemia parthenogenetica populations, a widespread halophilic crustacean. METHODOLOGY/PRINCIPAL FINDINGS We analys...

ژورنال: :پژوهش های علوم و فنون دریایی 0
مرضیه قره باغی دانشکده علوم وفنون دریایی، دانشگاه آزاد اسلامی، واحد تهران شمال سید محمد تقی ساداتی پور دانشکده علوم وفنون دریایی، دانشگاه آزاد اسلامی، واحد تهران شمال حسین غفوریان دانشکده علوم وفنون دریایی، دانشگاه آزاد اسلامی، واحد تهران شمال ناصر آق پژوهشکده آرتمیا و جانوران آبزی، دانشگاه ارومیه

هدف از انجام این پروژه بررسی کمی وکیفی پساب کارخانه کاوه سودا جهت پرورش آرتمیا به منظور استفاده بهینه از پساب کارخانه است. کارخانه کاوه سودای مراغه که در موقعیت جغرافیایی طول شرقی و عرض شمالی  واقع شده است، و سدیم کربنات  سبک و سنگین تولید می کند. پساب این کارخانه که حدود 5/2 میلیون متر مکعب در سال بوده و در استخرهای خاکی ذخیره می گردد، شور بوده و از نظر خواص فیزیکی و شیمیایی با آب دریاچه ارومی...

2016
Marta I. Sánchez Irene Paredes Marion Lebouvier Andy J. Green

Filter-feeding organisms are often keystone species with a major influence on the dynamics of aquatic ecosystems. Studies of filtering rates in such taxa are therefore vital in order to understand ecosystem functioning and the impact of natural and anthropogenic stressors such as parasites, climate warming and invasive species. Brine shrimps Artemia spp. are the dominant grazers in hypersaline ...

Journal: :Environmental toxicology and chemistry 2002
Raquel Sarabia Ramo Jose Del Inma Varo Javier Díaz-Mayans Amparo Torreblanca

The lethal responses to cadmium of instar II nauplii from eight populations of Artemia belonging to the species Artemia franciscana, Artemia salina, Artemia persimilis, and Artemia parthenogenetica have been compared. Generalized linear models were used to fit mortality. The model indicates that there is a relationship between species, type of population, and mortality rate. The two populations...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...

Journal: : 2022

Artemia sp. populations in saltworks throughout the world have been gaining importance due to their extensive use aquaculture and as main prey organism for aquatic birds hypersaline ecosystems. The genus is also known intermediate host of some cestode species that are associated with flamingos. In this study, Flamingolepis liguloides parasitism was determined partenogenetica first time Turkiye....

2012
Hachem Ben Naceur Amel Ben Rejeb Jenhani

Endemic Artemia franciscana populations can be found throughout the American continent and also as an introduced specie in several country all over the world, such as in the Mediterranean region where Artemia franciscana was identified as an invasive specie replacing native Artemia parthenogenetica and Artemia salina. In the present study, the characterization of the new invasive Artemia franci...

Journal: :international journal of aquatic biology 0
shanmugam sivagnanam university of madras velayudhan krishnakumar natesan munuswamy

surface topography and ultrastructure of dried cysts of artemia parthenogenetica (vedaranyam population) and bisexual artemia sp. (kelambakkam population) were studied electron microscopically in order to identify the bisexual strain, inhabiting covelong salterns, kelambakkam, south india. the scope of this study is to provide substantial information for further characterization of these artemi...

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