Results 121 to 130 of about 70,813 (251)

Wanted Dead or Alive? The Relative Value of Reef Sharks as a Fishery and an Ecotourism Asset in Palau [PDF]

, 2011
Over the last 20 years, ecotourism to view and interact with marine megafauna has become increasingly popular (Higham and Lück 2008). Examples of this type of tourism include turtle and whale watching, snorkelling with seals and shark diving (Jacobson ...
D. Pannell, G. M. S. Vianna, J. J. Meeuwig, M. G. Meekan, S. Marsh   +4 more
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The Shark Random Swim (L\'evy flight with memory)

, 2018
The Elephant Random Walk (ERW), first introduced by Sch\"utz and Trimper (2004), is a one-dimensional simple random walk on $ \mathbb{Z} $ having a memory about the whole past.
Businger, Silvia
core   +1 more source

The state of knowledge on four families of Syngnathoidei fishes (Teleostei: Syngnathiformes): Aulostomidae, Centriscidae, Fistulariidae and Solenostomidae

Journal of Fish Biology, EarlyView.
Abstract Knowledge on the ecology and life‐history traits of coastal marine species is vital to inform their conservation and management, especially as their coastal habitats come under increasing threats. However, such data have never been collated for four of the five families in the suborder Syngnathoidei—the close relatives of the better‐studied ...
Syd J. Ascione, Elsa Camins, Miguel Correia, Amanda C. J. Vincent   +3 more
wiley   +1 more source

Conservation Biology of Elasmobranchs [PDF]

, 1993
Elasmobranchs are vital and valuable components of the marine biota. From an ecological perspective they occupy the role of top predators within marine food webs, providing a regulatory control that helps balance the ecosystem.

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Fish welfare in a changing world: New developments and current challenges

Journal of Fish Biology, EarlyView.
Abstract The welfare of non‐human animals is central to ethical discussions on animal use, with increasing attention to fish welfare across research, aquaria, aquaculture, and fisheries. This paper reviews current theoretical approaches to animal welfare and recent advances in defining and assessing fish welfare since the seminal paper by Huntingford ...
Sonia Rey Planellas, João L. Saraiva, Eliane Gonçalves‐de‐Freitas, Pablo Arechavala‐Lopez, Bernice Bovenkerk, Michael Breen, Steven J. Cooke, Martin Føre, Lene Northwood, Lars Helge Stien, Sunil Kadri, Chris Noble, Jonatan Nilsson, Fernando Rodriguez, Cosme Salas, Peter Sandøe, Hans van de Vis   +16 more
wiley   +1 more source

White shark optimizer with optimal deep learning based effective unmanned aerial vehicles communication and scene classification. [PDF]

Sci Rep, 2023
Nadana Ravishankar T, Ramprasath M, Daniel A, Selvarajan S, Subbiah P, Balusamy B.   +5 more
europepmc   +1 more source

Subtropical marine reserve as key habitats for the critically endangered sand tiger shark (Carcharias taurus) in the Southwestern Atlantic

Journal of Fish Biology, EarlyView.
Abstract This study documents the occurrence, seasonal patterns and reproductive activity of the sand tiger shark (Carcharias taurus) within a no‐take marine protected area in southeastern Brazil, using Baited Remote Underwater Video (BRUV) and diving records.
Ana Clara S. Athayde, Guilherme Bertuzo, Otto Bismarck F. Gadig, Rafael R. Munhoz, Letícia M. Fukushima, Caio R. Pimentel, Fernanda A. Rolim, Guilherme H. Pereira‐Filho, Fabio S. Motta   +8 more
wiley   +1 more source

A White Shark Equilibrium Optimizer with a Hybrid Deep-Learning-Based Cybersecurity Solution for a Smart City Environment. [PDF]

Sensors (Basel), 2023
Almuqren L, Aljameel SS, Alqahtani H, Alotaibi SS, Hamza MA, Salama AS.   +5 more
europepmc   +1 more source

Resilience to Cardiac Aging in Greenland Shark Somniosus microcephalus [PDF]

Aging Cell
Greenland shark Somniosus microcephalus shows severe cardiac aging such as fibrosis, lipofuscin buildup, mitochondrial damage, and oxidative stress, unseen in comparison species Etmopterus spinax and Nothobranchius furzeri, yet remain healthy. S. microcephalus resilience suggests unique mechanisms that preserve heart function for centuries, offering ...
Chiavacci E, Steffensen K, Delaroche P, Astoricchio E, Poulsen A, Brayson D, Garibaldi F, Lanteri L, Pinali C, Valente G, Vignati F, Steffensen J, Shiels H, Tozzini E, Cellerino A.   +14 more
europepmc   +2 more sources

Survey of fishes and water properties of south San Francisco Bay, California, 1973-82 [PDF]

, 1989
The objective of this study was to describe the physical and ichthyological changes occurring seasonally and annually in the south San Francisco Bay, based on the results of 2,561 otter trawl and water samples obtained between February 1973 and June ...
Pearson, Donald E.
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