نتایج جستجو برای: marine organisms

تعداد نتایج: 179336  

Journal: :Biology letters 2016
Tullio Rossi Ivan Nagelkerken Jennifer C A Pistevos Sean D Connell

The dispersal of larvae and their settlement to suitable habitat is fundamental to the replenishment of marine populations and the communities in which they live. Sound plays an important role in this process because for larvae of various species, it acts as an orientational cue towards suitable settlement habitat. Because marine sounds are largely of biological origin, they not only carry info...

2013
K. Shankar Murthy Shankar Murthy

Pesticides usage in agricultural fields to control pests is extremely toxic to non target organisms like fish and affect fish health through impairment of metabolism, sometimes leading to mortality. Present study is a review of potential adverse effects of pesticides and pollutants in fish. Furthermore, the data generated could be useful in the environmental risk assessment of freshwater and ma...

Journal: :Materials science & engineering. C, Materials for biological applications 2016
Steven E Naleway Jennifer R A Taylor Michael M Porter Marc A Meyers Joanna McKittrick

Marine organisms have developed a wide variety of protective strategies to thrive in their native environments. These biological materials, although formed from simple biopolymer and biomineral constituents, take on many intricate and effective designs. The specific environmental conditions that shape all marine organisms have helped modify these materials into their current forms: complete hyd...

2016
Dinis Oliveira Lena Granhag Christine Bressy Jean-François Briand Gérald Culioli

Biofouling is detrimental to the hydrodynamic performance of ships. In spite of advances in hull coating technology, a ship must usually undergo underwater hull cleaning to remove biofouling during her in-service time. However, some cleaning practices may also lead to decreased lifetime of the fouling-control coating. Therefore, cleaning forces should be minimized, according to the adhesion str...

2011
Ratih Pangestuti Se-Kwon Kim

The marine environment is known as a rich source of chemical structures with numerous beneficial health effects. Among marine organisms, marine algae have been identified as an under-exploited plant resource, although they have long been recognized as valuable sources of structurally diverse bioactive compounds. Presently, several lines of studies have provided insight into biological activitie...

2014
Olav Rune Godø Nils Olav Handegard Howard I. Browman Gavin J. Macaulay Stein Kaartvedt Jarl Giske Egil Ona Geir Huse Espen Johnsen

Olav Rune Godø1*, Nils Olav Handegard1, Howard I. Browman1, Gavin J. Macaulay1, Stein Kaartvedt2, Jarl Giske3, Egil Ona1, Geir Huse1, and Espen Johnsen1 Institute of Marine Research, PO Box 1870 Nordnes, 5817 Bergen, Norway King Abdullah University of Science and Technology, Thuwal, Saudi Arabia University of Bergen, PO Box 7800, 5020 Bergen, Norway *Corresponding author: tel: +47 55238500; fax...

2017
Paul Ravindran

The ocean is tremendously diverse and species-rich. It is the home of countless organisms living in very different ecosystems. Fish are a key component of marine biotic communities. Fish is highly nutritious, tasty and easily digestive. It is much sought after by a broad cross-section of the world’s population particularly in developing countries. Monitoring the quality of fish is essential for...

2012
M. J. Abad L. M. Bedoya P. Bermejo

Natural products have been regarded as important sources that could produce potential chemotherapeutic agents. In the search for new bioactive entities, investigations were expanded to marine habitats. Mankind has known for the last several thousand years that marine organisms contain substances capable of potent biological activity. However, the first serious investigation of marine organisms ...

2014
G. E. Hofmann T. G. Evans M. W. Kelly J. L. Padilla-Gamiño C. A. Blanchette L. Washburn F. Chan M. A. McManus B. A. Menge B. Gaylord T. M. Hill E. Sanford M. LaVigne J. M. Rose L. Kapsenberg J. M. Dutton

The California Current Large Marine Ecosystem (CCLME), a temperate marine region dominated by episodic upwelling, is predicted to experience rapid environmental change in the future due to ocean acidification. The aragonite saturation state within the California Current System is predicted to decrease in the future with near-permanent undersaturation conditions expected by the year 2050. Thus, ...

2017
Amitha Kurian

Biodiversity in the marine environment exceeds that of the terrestrial environment. But exploration of marine natural products is still in the infant stage. Among the diverse bioactive compounds which are discovered from marine organisms, sponges have been assigned a high priority as they have been accepted as a promising organism for the discovery of pharmacologically active drug leads. Marine...

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