نتایج جستجو برای: pulex irritans

تعداد نتایج: 900  

2017
Graham E. Jackson Elumalai Pavadai Gerd Gäde Zaheer Timol Niels H. Andersen

The data presented in this article are related to the publication "Interaction of the red pigment-concentrating hormone of the crustacean Daphnia pulex, with its cognate receptor, Dappu-RPCHR: A nuclear magnetic resonance and modeling study" (Jackson et al., 2017) [1]. This article contains the data for homology modeling of the red pigment-concentrating hormone (RPCH) receptor of the water flea...

Journal: :Journal of Evolutionary Biology 1993

Journal: :Water 2021

Valle de Bravo reservoir supplies drinking water to 40% of Mexico City. Here we present data on the population growth and life-table demography cladoceran Daphnia pulex, cultured at temperatures 20 °C 25 with different concentrations crude extracts from blooms Microcystis aeruginosa, collected in January, Woronichinia naegeliana, September. We hypothesized that pulex would be more sensitive hig...

Journal: :Environmental pollution 2014
Eric Gismondi Jean-Pierre Thomé

Polybrominated diphenyl ethers (PBDEs) are abundant in aquatic environment. However, only few studies have investigated their impacts on freshwater invertebrates. This work aimed to study the effects of BDE-47 and BDE-99 congeners on the chitobiase and chitinolytic enzymes activities of the freshwater amphipod Gammarus pulex, according to gender, PBDE concentration and time of exposure. In addi...

ژورنال: :پژوهش های علوم و فنون دریایی 0
مریم شاپوری گروه منابع طبیعی، دانشگاه آزاد اسلامی واحد سوادکوه مینو رضایی گروه منابع طبیعی، دانشگاه آزاد اسلامی ، واحد علوم و تحقیقات تهران ابولقاسم کمالی گروه منابع طبیعی، دانشگاه آزاد اسلامی ، واحد علوم و تحقیقات تهران

جامعه موجودات کفزی به عنوان مهم ترین منبع غذایی آبزیان به منظور ارزیابی شرایط آب رودخانه و محیط زیست  مورد توجه قراردارد. در این مطالعه اثر صنایع و کارگاه­های پرورشی موجود در اطراف رودخانه نمرود بر کیفیت آب یا رسوب و جوامع کفزی مورد بررسی قرار گرفته است.در تحقیق حاضر، سه ایستگاه برای نمونه برداری در نظر گرفته شد. ایستگاه شاهد در بخش بالادست رودخانه نمرود و سپس با فاصله 30 کیلومتر از هم، دو ایست...

Journal: :Ecology 2015
Ellen Decaestecker Dino Verreydt Luc De Meester Steven A J Declerck

Increased productivity due to nutrient enrichment is hypothesized to affect density-dependent processes, such as transmission success of horizontally transmitting parasites. Changes in nutrient availability can also modify the stoichiometry and condition of individual hosts, which may affect their susceptibility for parasites as well as the growth conditions for parasites within the host. Conse...

2000
Michael J. Vanni

The hypothesis that a large zooplankton herbivore, Daphnia pulex, can competitively reduce the abundance of resident zooplankton when colonizing a community of small species was tested in two lakes. When introduced to enclosures in eutrophic Larimore Pond, D. pulex decreased phytoplankton abundance by an order of magnitude, resulting in drastically reduced densities of Tropocyclops prasinus and...

Journal: :Environmental pollution 2003
S Bhattacharyya P L Klerks J A Nyman

Toxicity and temporal changes in toxicity of freshwater-marsh-microcosms containing South Louisiana Crude (SLC) or diesel fuel and treated with a cleaner or dispersant, were investigated using Chironomus tentans, Daphnia pulex, and Oryzias latipes. Bioassays used microcosm water (for D. pulex and O. latipes) or soil slurry (for C. tentans) taken 1,7, 31, and 186 days after treatment. SLC was le...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید