نتایج جستجو برای: rocky coasts
تعداد نتایج: 10909 فیلتر نتایج به سال:
The dogwhelk Nucella lapillus is a rocky intertidal gastropod of the North Atlantic coast. Individual shell color varies. Common colors range between white and brown, with darker dogwhelks being more affected by heat stress than lighter-colored conspecifics. Other reported shell colors are black, mauve, pink, yellow, and orange from European coasts, red and grey from the Bay of Fundy coast of N...
Marine brown macroalgae are an important part of the tidal coaste flora in Bushehr province with rocky, coral and sandstone beds. Brown seaweeds need a solid and stable support (natural or artificial) to be attached algae holdfasts to the them, ensuring their establishment for growth, multiplication and development against violent waves. Because of this, most macroalgae are not able to grow on ...
Pacific oyster (Crassostrea gigas) is a highly commercial species with the highest production rate in aquaculture world. This has been raised on Crimean and Romanian Coasts since 1980s reports of potentially breeding wild populations those regions. However, presence this Turkish Coast Black Sea are literally unknown. Therefore, here we investigated occurrence, population density size-age struct...
In the present paper various transects perpendicular to Iranian Makran coasts (Chabahar-Gawater) were studied using satellite image processing, field observations, sandy shore profiling and grain size analysis to evaluate sedimentology and geomorphology of the area. Data revealed that the study area includes exposed rocky shores (52%), sandy shores (40%), and mud flats (8%) sheltered in estuari...
Despite evidence that weathering plays a role in forming intertidal, estuarine, and fluvial rock platforms, many publications uncritically refer to “wave-cut” or “stream-cut” rock platforms. The alternative explanations of chemical weathering and physical water erosion of rock platforms have been debated since 1839. Our new approach to this long-standing problem introduces data from fluvial as ...
One mechanism by which marine organisms may respond to climate shifts is range shifts. The corkwing wrasse (Symphodus melops) is a temperate fish species, inhabiting the coasts of Europe, that show strong indications of current as well as historical (ice-age) range shifts towards the north. Nine neutral microsatellite DNA markers were screened to study genetic signatures and spatial population ...
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