نتایج جستجو برای: Cerastodema lamarcki

تعداد نتایج: 30  

ژورنال: پژوهش های جانوری 2019

در این تحقیق، میزان غلظت فلزات سنگین نیکل، آهن، کادمیوم، آلومینیوم، کروم، مس، روی، سرب و وانادیوم در رسوبات و پوسته صدف Cerastodema lamarcki در 10 ایستگاه از سواحل جنوب غربی دریای خزر در محدوده استان گیلان در بهمن ماه 1393 مورد مطالعه قرار گرفت. غلظت فلزات در نمونه های پوسته و رسوب، پس از آماده‌سازی و هضم اسیدی با استفاده از دستگاه ICP - OES تعیین شدند. نتایج نشان دادند که پوسته صدف مورد مطالعه...

2016
Viktor W. Brandtneris Marilyn E. Brandt Peter W. Glynn Joanna Gyory Tyler B. Smith

Energetic responses of zooxanthellate reef corals along depth gradients have relevance to the refugia potential of mesophotic coral ecosystems (MCEs). Previous observations suggested that MCEs in the Caribbean are thermally buffered during the warmest parts of the year and occur within or just below the chlorophyll maximum, suggesting abundant trophic resources. However, it is not known if meso...

Journal: :Helgoländer Wissenschaftliche Meeresuntersuchungen 1971

Journal: :The Journal of heredity 2013
Meredith Meyers James W Porter John P Wares

The fluorescent protein (FP) gene family is a highly diverse group of proteins whose expression govern color diversity in corals. Here, we examine the genetic diversity of FPs and the extent to which it can be used to assess phylogenetic relationships within the coral genus Agaricia. Tissue samples were collected throughout the Florida Keys from a wide range of phenotypes within the genus Agari...

2013
B. V. Burger Zenda Munro W. F. Brandt

Gel electrophoresis o f the white flocculent pheromone disseminating secretions produced by males o f the three dung beetle species, Kheper lamarcki, K. nigroaeneus and K. subaeneus, re­ vealed that three different proteins with molecular masses o f ca. 15 kDa are the major constitu­ ents o f these secretions. The molecular mass o f these components in the secretions o f K. lamarcki and K. nigr...

2013
B. V. Burger G. D. Tribe R. M. Crewe

The coprophagous fauna associated with the mammals of Africa plays an important role in the recycling of nutrients and in the destruction of the habitat of many dung breeding flies [1], The failure of this process has been recorded in Australia where cattle were introduced without the associated insect fauna, resulting in the deteriora­ tion of the pastures [2] and the uncontrolled increase of ...

Journal: :Biomedical optics express 2015
Zhengyi Yang Peeter Piksarv David E K Ferrier Frank J Gunn-Moore Kishan Dholakia

Light sheet microscopy is a powerful approach to construct three-dimensional images of large specimens with minimal photo-damage and photo-bleaching. To date, the specimens are usually mounted in agents such as agarose, potentially restricting the development of live samples, and also highly mobile specimens need to be anaesthetized before imaging. To overcome these problems, here we demonstrat...

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