3 results on '"Pulis K."'
Search Results
2. Jellyfish blooms perception in Mediterranean finfish aquaculture
- Author
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Verónica Fuentes, Ons Kéfi-Daly Yahia, Stefano Piraino, Alan Deidun, Kristian Pulis, Giacomo Milisenda, Ernesto Azzurro, Anton Micallef, Mar Bosch-Belmar, Bosch Belmar, Mar, Azzurro, Ernesto, Pulis, Kristian, Milisenda, Giacomo, Fuentes, Verónica, Kéfi Daly Yahia, On, Micallef, Anton, Deidun, Alan, Piraino, Stefano, Bosch-Belmar Mar, Azzurro E., Pulis K., Milisenda G., Fuentes V., Kefi-Daly Yahia O., Micallef A., Deidun A., Piraino S., and European Commission
- Subjects
0106 biological sciences ,Mediterranean climate ,Settore BIO/07 - Ecologia ,Economics and Econometrics ,Jellyfish ,Gelatinous zooplankton ,Fish farming ,Aquaculture ,Management, Monitoring, Policy and Law ,Aquatic Science ,01 natural sciences ,Central and western Mediterranean ,Mediterranean sea ,Central and Western Mediterranean ,biology.animal ,14. Life underwater ,General Environmental Science ,biology ,business.industry ,010604 marine biology & hydrobiology ,04 agricultural and veterinary sciences ,Fish farmers' perception ,biology.organism_classification ,Fishery ,Geography ,13. Climate action ,Agriculture ,Gelatinous zooplankton, Fish farmers' perception, Aquaculture, Central and Western Mediterranean ,040102 fisheries ,0401 agriculture, forestry, and fisheries ,business ,Tuna ,Law - Abstract
7 pages, 5 figures, 3 tables, supplemental material https://doi.org/10.1016/j.marpol.2016.11.005, In recent years, negative impacts of jellyfish blooms (JB) on marine human activities have been increasingly reported. Aquaculture has been affected by jellyfish outbreaks, mostly documented through repeated episodes of farmed salmon mortalities in Northern Europe; however, the valuation of JB consequences on the aquaculture sector still remains poorly quantified. This study aims to provide the first quantitative evaluation effects of JB on finfish aquaculture in the Mediterranean Sea and to investigate the general awareness of JB impacts among Mediterranean aquaculture professional workers. The aquaculture workers' perception about JB was assessed through a structured interview-based survey administered across 21 aquaculture facilities in central and western Mediterranean. The workers' awareness about JB impacts on aquaculture differed among countries. Italian and Spanish fish farmers were better informed about jellyfish proliferations and, together with Tunisian farmers, they all recognized the wide potential consequences of JB on sea bream and sea bass aquaculture. On the contrary, the majority of Maltese respondents considered JB as a non-significant threat to their activity, mostly based on off-shore tuna farming. This study for the first time shows that JB may negatively affect different Mediterranean aquaculture facilities from Tunisia (Sicily Channel) and Spain (Alboran Sea), by increasing farmed fish gill disorders and mortality, clogging net cages, or inflicting painful stings to field operators, with severe economic consequences. Available knowledge calls for the development of coordinated preventive plans, adaptation policies, and mitigation countermeasures across European countries in order to address the JB phenomenon and its impacts on coastal water activities, This work has received funding from the European Union's projects MED-JELLYRISK (grant n. I-A/1.3/098 - ENPI CBCMED programme), VECTORS (Vectors of Change in Oceans and Seas Marine Life, Impact on Economic Sectors, grant n. 266445, FP7th programme), and CERES (Climate Change and European Aquatic Resources, grant n. 678193, Horizon 2020 programme)
- Published
- 2017
3. Olfactory Enrichment in California Sea Lions (Zalophus californianus): An Effective Tool for Captive Welfare?
- Author
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Samuelson MM, Lauderdale LK, Pulis K, Solangi M, Hoffland T, and Lyn H
- Subjects
- Animal Welfare, Animals, Female, Marine Biology, Mississippi, Odorants, Behavior, Animal physiology, Sea Lions psychology, Smell physiology, Swimming psychology
- Abstract
In the wild, California sea lions (Zalophus californianus) are exposed to a wide variety of sensory information, which cannot be replicated in captive environments. Therefore, unique procedures are necessary for maintaining physiological and psychological health in nonhuman animals in captivity. The effects of introducing natural scents to captive enclosures have been investigated in a variety of species, yet they have not been examined in marine mammals. This project explored the behavioral effect of scent added to the environment, with the goal of improving the welfare of sea lions in captivity. Two scent types were introduced: (a) natural scents, found in their native environment, and (b) non-natural scents, not found in their native environment. This study examined not only scent enrichment but also the possible evolutionary underpinnings of pinniped olfaction. Scent enrichment was found to significantly impact sea lion behavior as demonstrated by a reduction in pattern swimming, an increase in habitat utilization, and a reduction in stereotypical behavior. However, there were no differences in behavior between natural and non-natural scent conditions.
- Published
- 2017
- Full Text
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