Results 31 to 40 of about 124,660 (326)

Effect of silver nanoparticles and Bacillus cereus LPR2 on the growth of Zea mays

Scientific Reports, 2020
The effect of Plant Growth Promoting Rhizobacteria (Bacillus sp.) and silver nanoparticles on Zea mays was evaluated. The silver nanoparticles were synthesized from Tagetes erecta (Marigold) leaf and flower extracts, whereas PGPR isolated from spinach ...
Pankaj Kumar, Vikas Pahal, Arti Gupta, Ruchi Vadhan, Harish Chandra, Ramesh Chandra Dubey   +5 more
doaj   +1 more source

Food provisioning increases the risk of injury in a long-lived marine top predator [PDF]

Royal Society Open Science, 2016
Food provisioning of wildlife is a major concern for management and conservation agencies worldwide because it encourages unnatural behaviours in wild animals and increases each individual's risk for injury and death. Here we investigate the contributing
Fredrik Christiansen, Katherine A. McHugh, Lars Bejder, Eilidh M. Siegal, David Lusseau, Elizabeth Berens McCabe, Gretchen Lovewell, Randall S. Wells   +7 more
doaj   +1 more source

Resting Metabolic Rate and Lung Function in Wild Offshore Common Bottlenose Dolphins, Tursiops truncatus, Near Bermuda

Frontiers in Physiology, 2018
Diving mammals have evolved a suite of physiological adaptations to manage respiratory gases during extended breath-hold dives. To test the hypothesis that offshore bottlenose dolphins have evolved physiological adaptations to improve their ability for ...
Andreas Fahlman, Andreas Fahlman, Andreas Fahlman, Katherine McHugh, Jason Allen, Aaron Barleycorn, Austin Allen, Jay Sweeney, Rae Stone, Robyn Faulkner Trainor, Guy Bedford, Michael J. Moore, Frants H. Jensen, Frants H. Jensen, Randall Wells   +14 more
doaj   +1 more source

Systematic Determination of Herpesvirus in Free-Ranging Cetaceans Stranded in the Western Mediterranean: Tissue Tropism and Associated Lesions

Viruses, 2021
The monitoring of herpesvirus infection provides useful information when assessing marine mammals’ health. This paper shows the prevalence of herpesvirus infection (80.85%) in 47 cetaceans stranded on the coast of the Valencian Community, Spain.
Ignacio Vargas-Castro, Mar Melero, José Luis Crespo-Picazo, María de los Ángeles Jiménez, Eva Sierra, Consuelo Rubio-Guerri, Manuel Arbelo, Antonio Fernández, Daniel García-Párraga, José Manuel Sánchez-Vizcaíno   +9 more
doaj   +1 more source

Cashing in on Spinners: Revenue Estimates of Wild Dolphin-Swim Tourism in the Hawaiian Islands

Frontiers in Marine Science, 2020
Wild dolphin-swim tourism has grown in specific locations where Hawaiian spinner dolphins (Stenella longirostris) have known resting habitat. The increased growth in dolphin-swim businesses has created an industry in Hawaii that earns an estimated $102 ...
Carlie Wiener, Lars Bejder, Lars Bejder, Lars Bejder, David Johnston, Leesa Fawcett, Paul Wilkinson   +6 more
doaj   +1 more source

Generalised quadratic forms and the u-invariant [PDF]

, 2017
The u-invariant of a field is the supremum of the dimensions of anisotropic quadratic forms over the field. We define corresponding u-invariants for hermitian and generalised quadratic forms over a division algebra with involution in characteristic 2 and
Dolphin, Andrew
core   +2 more sources

A deep learning approach to photo–identification demonstrates high performance on two dozen cetacean species

Methods in Ecology and Evolution, 2023
Researchers can investigate many aspects of animal ecology through noninvasive photo–identification. Photo–identification is becoming more efficient as matching individuals between photos is increasingly automated.
Philip T. Patton, Ted Cheeseman, Kenshin Abe, Taiki Yamaguchi, Walter Reade, Ken Southerland, Addison Howard, Erin M. Oleson, Jason B. Allen, Erin Ashe, Aline Athayde, Robin W. Baird, Charla Basran, Elsa Cabrera, John Calambokidis, Júlio Cardoso, Emma L. Carroll, Amina Cesario, Barbara J. Cheney, Enrico Corsi, Jens Currie, John W. Durban, Erin A. Falcone, Holly Fearnbach, Kiirsten Flynn, Trish Franklin, Wally Franklin, Bárbara Galletti Vernazzani, Tilen Genov, Marie Hill, David R. Johnston, Erin L. Keene, Sabre D. Mahaffy, Tamara L. McGuire, Liah McPherson, Catherine Meyer, Robert Michaud, Anastasia Miliou, Dara N. Orbach, Heidi C. Pearson, Marianne H. Rasmussen, William J. Rayment, Caroline Rinaldi, Renato Rinaldi, Salvatore Siciliano, Stephanie Stack, Beatriz Tintore, Leigh G. Torres, Jared R. Towers, Cameron Trotter, Reny Tyson Moore, Caroline R. Weir, Rebecca Wellard, Randall Wells, Kymberly M. Yano, Jochen R. Zaeschmar, Lars Bejder   +56 more
doaj   +1 more source

A 32-mV Supply Ring Oscillator Composed of Modified Schmitt Trigger Delay Cells for Integrated Start-Up Circuits in DC Energy Harvesting Systems

IEEE Access
Implementing fully integrated start-up energy harvesting (EH) systems is very challenging. The most popular start-up circuit implementations use a low-voltage ring oscillator (RO).
Mahmoud Ahmed, Aref Trigui, Sebastien Genevey, Yves Audet, Yvon Savaria   +4 more
doaj   +1 more source

Why do dolphins form mixed-species associations in the Azores ?

, 2008
Mixed-species associations are temporary associations between individuals of different species that are often observed in birds, primates and cetaceans.
Bearzi, Bearzi, Bruno, Clua, Connor, Doksaeter, Frantzis, Garcia, Gautier-Hion, Gonçalves, Gowans, Herzing, Herzing, Heymann, Johnson, Lourenço, Martin, Maze-Foley, Morato, Morato, Morse, Norris, Norris, Perrin, Pianka, Psarakos, R Development Core Team, Roughgarden, Roussel, Santos, Scott, Silva, Spitz, Steiner, Stensland, Sullivan, Terborgh, Waser, Waser, Whitesides   +39 more
core   +4 more sources

Tiny defenders: Isolating antibiotic producers from soil samples

Environment Conservation Journal
This study explored the soil as a rich source of microorganisms capable of creating novel antibacterial chemicals in an effort to address the growing problem of antibiotic resistance.
Aparajita Gupta, Sachin Pandey, Himanshu Upadhyay   +2 more
doaj   +1 more source