Differences in Memory Capabilities in Invasive and Native Crayfish
نویسندگان
چکیده
منابع مشابه
Behavioural and growth differences between experienced and naı̈ve populations of a native crayfish in the presence of invasive rusty crayfish
1. Species invasions are a leading threat to native species and ecosystems. How populations of native species respond to the presence of invasive species will ultimately determine their long-term persistence. 2. In this study, we capitalise on a unique opportunity to compare the behaviour and growth of naı̈ve and experienced virile crayfish (Orconectes virilis Hagen) populations in the presence ...
متن کاملpatterns and variations in native and non-native interlanguage pragmatic rating: effects of rater training, intercultural proficiency, and self-assessment
although there are studies on pragmatic assessment, to date, literature has been almost silent about native and non-native english raters’ criteria for the assessment of efl learners’ pragmatic performance. focusing on this topic, this study pursued four purposes. the first one was to find criteria for rating the speech acts of apology and refusal in l2 by native and non-native english teachers...
15 صفحه اولInvasive dreissenid mussels benefit invasive crayfish but not native crayfish in the Laurentian Great Lakes
Article history: Received 26 September 2016 Accepted 12 January 2017 Available online 1 March 2017 Invasive ecosystem engineers, such as dreissenid mussels, may facilitate subsequent invaders. Despite their potential ecological importance, interactions between dreissenid mussels and crayfish in the Laurentian Great Lakes have received little research attention. Invasive rusty crayfish (Orconect...
متن کاملPredatory Functional Response and Prey Choice Identify Predation Differences between Native/Invasive and Parasitised/Unparasitised Crayfish
BACKGROUND Invasive predators may change the structure of invaded communities through predation and competition with native species. In Europe, the invasive signal crayfish Pacifastacus leniusculus is excluding the native white clawed crayfish Austropotamobius pallipes. METHODOLOGY AND PRINCIPAL FINDINGS This study compared the predatory functional responses and prey choice of native and inva...
متن کاملinvestigating discourse markers use in spoken language between iranian tefl students and english native speakers
چارچوب نظری این مطالعه شامل یک گزارش عملکردی است و مبتنی بر تعریف شیفرین (1987) از مدل چند بعدی وابستگی مطالب است. این مطالعه 10 نشانگر گفتمان (بنابراین ، بله ، بسیار خوب ، باشه ، می دانید ، خوب ، چون، من فکر می کنم ، منظور من این است که ، در واقع) را با توجه به الگوی عملکردی مشلر(1994) در مورد نشانگرهای گفتمان طبقه بندی می کند. این مطالعه به بررسی مشخصات وقوع این عناصر در گفتار فی البداهه دانش...
15 صفحه اولذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Crustacean Biology
سال: 2002
ISSN: 0278-0372,1937-240X
DOI: 10.1163/20021975-99990251