نتایج جستجو برای: marine system

تعداد نتایج: 2313691  

2014
A. Mazzola

Chemistry and Ecology Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713455114 Particulate Organic Matter Composition in A Semi-Enclosed Marine System A. Mazzola a; M. Fabiano b; A. Pusceddu c; G. Sarà a a Marine Biology and Sea Resources Laboratory, Department of Animal Biology, University of Palermo, Palerm...

2006
Luis Bermudez John Graybeal Robert Arko

The community-centered creation of ontologies is an essential process to increase semantic interoperation across disciplines. The Marine Metadata Interoperability Project (MMI) is keenly aware of the need for such ontologies to advance the sophisticated interaction of research communities and their data systems. This paper presents the creation of a marine platforms ontology, fostered by MMI an...

2017
Mengchuan Wang Jinrong Zhang Shan He Xiaojun Yan

Cyanobacteria are rich sources of structurally-diverse molecules with promising pharmacological activities. Marine cyanobacteria have been proven to be true producers of some significant bioactive metabolites from marine invertebrates. Macrolides are a class of bioactive compounds isolated from marine organisms, including marine microorganisms in particular. The structural characteristics of ma...

2016
George I. Hagstrom Simon A. Levin

Complex adaptive system provides a unified framework for explaining ecosystem phenomena. Three ubiquitous features of ecosystems that arise from this framework are emergent patterns, critical transitions, and cooperative behavior. Focusing on marine ecosystems, we present numerous examples of each phenomenon, using the theory of complex adaptive systems to explain the universal features and com...

2015
Holly V. Moeller Michael G. Neubert

Bioeconomic analyses of spatial fishery models have established that marine reserves can be economically optimal (i.e., maximize sustainable profit) when there is some type of spatial 2 heterogeneity in the system. Analyses of spatially continuous models and models with more than two discrete patches have also demonstrated that marine reserves can be economically 4 optimal even when the system ...

2017
Maria Balsamo Federica Semprucci Fabrizio Frontalini Rodolfo Coccioni

Journal: :Diving and hyperbaric medicine 2009
David J Newman Gordon M Cragg Christopher N Battershill

Drugs from the sea? Darwin may not have considered this concept when he was thinking about mechanisms that drove diversification of life on earth. In recognition of his 200th year, and celebration of the publication in 1859 of his "On the origin of species", we review the global status of marine biodiscovery in medicinal fields, with a focus on the South Pacific. Furthermore, in the Darwinian s...

2014
Biswajit Mondal

This paper has formulated and discussed a prey-predator fishery model with marine protect area (MPA) along with combined and selective harvesting. Marine Protect area (MPA) consists of two zones namely unreserved zone ( harvesting is not restricted) and reserved zone ( harvesting is restricted). Biological equilibria of the system are derived, and the criteria for local stability, instability a...

ژورنال: Hormozgan Medical Journal 2016
Aghamollaei, Hossein , Alimohammad, Latifi, Arezu , Najafi,

Marine environment has unique diversity. More than half of biodiversity lives at sea and oceans. Promotion of science and technology led to the future accession to marine species and study them and finally using marine product in human life. Using marine product for treatment of human malady is one of the most attractive applications of this component. Since cancer is the second mortality agent...

2014
Walid Elgenaidi Thomas Newe

Marine environmental monitoring based on wireless sensor networks (WSN) is a challenging area of research due to the instability of the water field. Due to the characteristics of the water environment, there are certain considerations which must be taken into account before the establishment of marine based wireless sensor networks. These include the deployment of wireless nodes (WNs), energy c...

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