منابع مشابه
Relative competence of native and exotic fish hosts for two generalist native trematodes
Exotic fish species frequently acquire native parasites despite the absence of closely related native hosts. They thus have the potential to affect native counterparts by altering native host-parasite dynamics. In New Zealand, exotic brown trout Salmo trutta and rainbow trout Oncorhynchus mykiss have acquired two native trematodes (Telogaster opisthorchis and Stegodexamene anguillae) from their...
متن کاملnative speaker norms and teaching english to non_native speakers : the case of iranian efl learners
امروزه، این که زبان انگلیسی سریع ترین و گسترده ترین زبان مورد استفاده در سراسر جهان است به عنوان یک واقعیت پذیرفته شده است. استفاده مشترک از زبان انگلیسی به عنوان یک زبان بین المللی مستلزم هنجارها و مدل های یادگیری و تدریس زبان است. زبان شناسان توجه ویژه ای به مفهوم "زبان مادری" به عنوان تنها منبع درست و قابل اعتماد از داده های زبان می داده اند.با این حال، این اصطلاح به اندازه کافی روشن به نظر ...
15 صفحه اولPhysical factors affecting the relative abundance of native and invasive amphipods in the St. Lawrence River
The Ponto-Caspian amphipod Echinogammarus ischnus (Stebbing, 1899) is reportedly replacing the North American amphipod Gammarus fasciatus Say, 1818, in the lower Great Lakes, but the two species appear to coexist in the upper St. Lawrence River several years after invasion by E. ischnus. A multi-site survey in the river between Lake Ontario and Montreal (Quebec) found that E. ischnus and G. fas...
متن کاملCommunity interactions affecting the relative abundances of native and invasive amphipods in the St. Lawrence River
The Eurasian amphipod Echinogammarus ischnus is reportedly replacing the common native amphipod Gammarus fasciatus in the Great Lakes – St. Lawrence River system. A potential mechanism for this replacement is competition mediated by resident species. Other Eurasian invaders, dreissenid mussels (Dreissena polymorpha and Dreissena bugensis), dominate rocky substrates throughout the system and mig...
متن کاملcontribution of setting to the study of characters and the main idea in e. brontes: wuthering heights and t. hardys: return of the native.
this thesis aims to adduce an unmitigated and comprehensive explication concerning the relationship of three significant elements of fiction: setting, chracter and theme. my research is basically placed on two outstanding novels of the 19th century: emily brontes wuthering heights and thomas hardys return of the native. my endeavour lies in studying the correlation among the three above-mention...
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ژورنال
عنوان ژورنال: HAU: Journal of Ethnographic Theory
سال: 2013
ISSN: 2575-1433,2049-1115
DOI: 10.14318/hau3.3.032