نتایج جستجو برای: second stage juveniles
تعداد نتایج: 940682 فیلتر نتایج به سال:
Should parasites stabilize or destabilize consumer-resource dynamics? Recent theory suggests that parasite-enhanced mortality may confer underappreciated stability to their hosts. We tested this hypothesis using disease in zooplankton. Across both natural and experimental epidemics, bigger epidemics correlated with larger--not smaller--host fluctuations. Thus, we tested two mechanistic hypothes...
The corallivorous crown-of-thorns starfish (Acanthaster spp.) is a major cause of coral mortality on Indo-Pacific reefs. Despite considerable research into the biology of crown-of-thorns starfish, our understanding of the early post-settlement life stage has been hindered by the small size and cryptic nature of recently settled individuals. Most growth rates are derived from either laboratory s...
هدف: این مطالعه به منظور بررسی ارتباط میان علائم بیماران و stage کارسینوم معده در بیماران مراجعه کننده به بیمارستان امیرالمومنین تهران طی سالهای 90-89 انجام شده است. روش مطالعه: در این مطالعه مقطعی، 30 فرد مبتلا به سرطان معده بررسی شدند که افراد از نظر staging بررسی شده و stage آنها ثبت گردید و در نهایت فراوانی علائم بالینی مختلف در stageهای مختلف مورد مقایسه قرار گرفت. یافته ها: 7/6 درصد در ...
The aim of this study was to investigate the potential using Calotropis procera leaves in vitro and vivo control Meloidogyne incognita race 2 tomato (Solanum lycopersicum). In tests consisted evaluating effect aqueous extract C. (5 10%) on hatching mortality juveniles second stage considering residence time J2 for 24 48 hours. application soil incorporation fresh (50 100 g/kg soil) pots with in...
Behavioral and Developmental Changes in Brown Trout After Exposure to the Antidepressant Venlafaxine
During the last decades, depression has been diagnosed in increasing numbers, accompanied by rising prescription rates of antidepressants. Concomitantly, these pharmaceuticals are frequently detected surface waters. Serotonin and noradrenalin reuptake inhibitors such as venlafaxine form second largest group antidepressants worldwide, is most prescribed antidepressant Germany. As drug targets ev...
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