منابع مشابه
Calcification by Reef-Building Sclerobionts
It is widely accepted that deteriorating water quality associated with increased sediment stress has reduced calcification rates on coral reefs. However, there is limited information regarding the growth and development of reef building organisms, aside from the corals themselves. This study investigated encruster calcification on five fore-reefs in Tobago subjected to a range of sedimentation ...
متن کاملStudying the process of transformation of the start-up to the academic spin off
At todaychr('39')s universities, we are witnessing the emergence of startup companies by the startup teams by student and academic teams; unfortunately, most startups face barriers to success. On the one hand, one of the new topics entering the fourth-generation universities and can be a good target for the future of the startups; the existence of academic spin-offs, centered around scholars...
متن کاملThe Stimulus for Case-building Activity in Caddis-worms (trichoptera).
In four species of caddis-worms,Ptilostomis semifasciata (Say), Platycentropus radiatus (Say), Limnephilus indivisus Walker, and Pycnopsyche guttifer (Walker), removal of the anal hooks and the posterior hair sensilla s ignscantly prolonged case-building activity with a resulting increase in case production. The extensive building was of the rough provisional type, which is normally completed w...
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ژورنال
عنوان ژورنال: Nature
سال: 2001
ISSN: 0028-0836,1476-4687
DOI: 10.1038/35051660