Zur Biographie desCaryocatactes guttatus Nilson
نویسندگان
چکیده
منابع مشابه
Prezygotic Reproductive Isolation between Mimulus Guttatus and Mimulus Glaucescens
iii ACKNOWLEDGEMENTS I would like to express my deepest gratitude to the following people, without whom this thesis never would have been possible.-To the BCCER for your financial support, which greatly helped in acquiring greenhouse supplies and fuel for driving up and down Honey Run.-To my advisor and friend Dr. Chris Ivey, for hours of engaging scientific discussion and entertaining all of m...
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The molecular signature of selection depends strongly on whether new mutations are immediately favorable and sweep to fixation (hard sweeps) as opposed to when selection acts on segregating variation (soft sweeps). The prediction of reduced sequence variation around selected polymorphisms is much stronger for hard than soft sweeps, particularly when considering quantitative traits where sweeps ...
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Cranial endothermy evolved independently in lamnid sharks, billfishes and tunas, and is thought to minimize the effects of ambient temperature change on both vision and neural function during deep dives. The opah, Lampris guttatus, is a large epipelagic-mesopelagic predator that makes repeated dives into cool waters to forage. To determine if L. guttatus exhibits cranial endothermy, we measured...
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طی بررسی‌های انجام شده برای شناسایی فون بال ریشکداران جنگلها و مراتع خوزستان در فروردین ماه 1381 از روی Stipa capensis Thunb.(بهمن، استپی افریقایی) و Teucrium oliverianum Gingins. در منطقه شهیون دزفول و در ارتفاع 500 متری، گونه Rhipidothrips unicolor Zur strassen جمع‌آوری و توسط دکتر Zur strassen شناسایی و تأیید شد. در گذشته از این جنس چهار گونه از ایران گزارش شده بود و این اولین گزارش از وجود ...
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and his equally talented sons who became leaders of the bar, the bench, and, in the case of William, the medical community of the whole Anglo-American world. Gidney and Millar write of the enduring Ontario professional ideal as the creation of "aristocrats of intellects". A relative once described the Osler boys as "English gentlemen with American energy". For once the reviewers' cliche is true...
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ژورنال
عنوان ژورنال: Journal für Ornithologie
سال: 1866
ISSN: 0021-8375,1439-0361
DOI: 10.1007/bf02253851