Browsing NOFIMA vitenarkiv by Author "James, Philip"
Now showing items 1-20 of 30
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A Guide to the Sea Urchin Reprodctive Cycle and Staging Sea Urchin Gonad Samples - Second Edition
James, Philip; Siikavuopio, Sten Ivar; Johansson, Gunhild Seljehaug (Research report, 2018) -
Alternative lavkostmetoder for fiske av kråkeboller
James, Philip; Siikavuopio, Sten Ivar (Research report, 2014)Målet for dette prosjektet er å utvikle nye metoder for fangst av kråkeboller som kan være kostnadseffektive både i forhold til nødvendig infrastruktur (fartøy og utstyr) og driftskostnader. Disse nye metodene benytter seg ... -
Alternative low cost methods of fishing sea urchins
James, Philip; Siikavuopio, Sten Ivar (Research report, 2014)The current project intends to develop novel low cost harvesting techniques for sea urchins that may prove more economically viable due to their low cost in terms of both infrastructure (boat and associated equipment) and ... -
Assessing the potential of fluorescence as a monitoring tool for reproductive tissue in selected macroalgae species
Juhasz-Dora, Thomas; Lindberg, Stein-Kato; James, Philip; Wang, Xinxin (Peer reviewed; Journal article, 2024)Biofluorescence in certain seaweed species has been studied in association with their respective chlorophyll type and concentration. However, there is a paucity of information on the biofluorescent signature of macroalgal ... -
Commercial scale sea urchin roe enhancement in Norway: Enhancement, transport and market assessment
James, Philip; Evensen, Tor Hatten; Samuelsen, Arne (Nofima rapportserie, Research report, 2017)This report describes a commercial scale sea urchin roe enhancement trial run in collaboration between Nofima and Lyngsskjellan AS. It was conducted in Lyngen, northern Norway, utilizing urchins harvested in Tromsø, the ... -
Cost/benefit analysis of sea urchin fishing techniques. Activity A3.2.2 of the NPA URCHIN project
James, Philip; Hannon, Colin (Nofima rapportserie, Research report, 2017)This report gives a brief introduction to the URCHIN project, funded by the Northern Peripheries and Arctic Programme (NPA). This is followed by a summary (based on the Nofima report Number 15/2016, Activity A3.1.1 of the ... -
Diversification of marine aquaculture in Norway under climate change
Falconer, Lynne; Sparboe, Lars Olav; Dale, Trine; Hjøllo, Solfrid Sætre; Stavrakidis-Zachou, Orestis; Bergh, Øivind; James, Philip; Papandroulakis, Nikos; Puvanendran, Velmurugu; Siikavuopio, Sten Ivar; Hansen, Øyvind J; Ytteborg, Elisabeth (Peer reviewed; Journal article, 2024) -
Effect of Season and Increased Temperature on Survival, Roe Enhancement, and Reproductive Cycle of the Green Sea Urchin (Strongylocentrotus droebachiensis) Collected from Four Relatively Close Sites in Northern Norway
James, Philip; Evensen, Tor Hatten; Johansson, Gunhild Seljehaug (Journal article, 2023)A series of three trials were conducted in the North of Norway at different times of the year. The trials consisted of harvesting sea urchins from four sites, situated within 5 km of each other and then holding them in ... -
Effect of starvation on the survival, injury, and weight of adult snow crab, Chionoecetes opilio
Siikavuopio, Sten Ivar; Johansson, Gunhild Seljehaug; James, Philip; Lorentzen, Grete Elisabeth (Journal article; Peer reviewed, 2019) -
Effects of site, depth and sori origin on the growth and minerals composition of cultivated Saccharina latissima (Phaeophyceae) in the north of Norway
Wang, Xinxin; Blikra, Marthe Jordbrekk; Evensen, Tor Hatten; Skipnes, Dagbjørn; James, Philip (Peer reviewed; Journal article, 2021)Interest in the cultivation of Saccharina latissima is increasing in the north of Norway. In the present study, S. latissima was cultivated at two sites (Kraknes and Rotsund), 90 km apart, in Troms, northern Norway (69–70°N). ... -
Effekt av temperatur på vekst, fôrinntak og vannbehov hos juvenile Drøbak-kråkeboller (Strongylocentrotus droebachiensis)
Siikavuopio, Sten Ivar; Lysne, Hege; James, Philip; Mortensen, Atle; Samuelsen, Tor Andreas (Nofima rapportserie, Research report, 2010)Denne rapporten er den første systematiske undersøkelsen av temperaturens betydning på vekst, fôrinntak og fôrutnyttelse hos juvenil Drøbak-kråkebolle. Det ble satt opp et forsøk hvor kråkeboller med en størrelse fra 0,5 ... -
Fangst, mellomlagring, vedlikeholdsfôring og transport av levende kongekrabbe
Siikavuopio, Sten Ivar; James, Philip; Midling, Kjell Øyvind; Evensen, Tor Hatten (Nofima rapportserie, Research report, 2011)Fangst, transport og levendelagring av kongekrabbe kan gi en del utfordringer både hos krabbefiskere og produsenter. For å optimalisere fangst, transport og levendelagring av kongekrabbe er det viktig å redusere faktorer ... -
Forbedring av miljøbetingelsene ved levendelagring av kongekrabbe
Siikavuopio, Sten Ivar; James, Philip; Mortensen, Atle; Olsen, Bjørn R.; Midling, Kjell Øyvind; Evensen, Tor Hatten (Research report, 2014)Salg av levende kongekrabbe har de siste årene økt betydelig og utgjorde ca. 35 % av den samlede kongekrabbefangsten i sesongen 2013. Selv om kongekrabbe har alle naturgitte forutsetninger for levendelagring og levendesalg ... -
Future feed resources in sustainable salmonid production: A review
Albrektsen, Sissel; Kortet, Raine; Skov, Peter Vilhelm; Ytteborg, Elisabeth; Gitlesen, Susanne; Kleinegris, Dorinde Mechtilde Meike; Mydland, Liv Torunn; Hansen, Jon Øvrum; Lock, Erik Jan Robert; Mørkøre, Turid; James, Philip; Wang, Xinxin; Dragøy, Ragnhild; Vang, Birthe; Hatlen, Bjarne; Daneshvar, Ehsan; Bhatnager, Amit; Jensen, Linda B.; Øverland, Margareth (Peer reviewed; Journal article, 2022)Aquaculture is one of the most resource-efficient and sustainable ways to produce animal protein. The Food and Agriculture Organization predicts that cultivated aquatic species will provide around 53% of the world's seafood ... -
Hidden in plain sight: hyperspectral documentation of complex biofluorescence produced by the green sea urchin (Strongylocentrotus droebachiensis)
Juhasz-Dora, Thomas; James, Philip; Evensen, Tor Hatten; Lindberg, Stein-Kato (Journal article, 2024)Biofluorescence in echinoderms is largely unexplored, and even though the green sea urchin Strongylocentrotus droebachiensis is a well-studied species, the presence and/or function of fluorescence remains very poorly ... -
Levende torsk og kreps; videreutvikling av tradisjonelle fiskerier i Skagerrak og Nordsjøen
Midling, Kjell Øyvind; James, Philip; Evensen, Tor Hatten; Humborstad, Odd Børre (Nofima rapportserie, Research report, 2012)Det er gjennomført tre tokt ombord på garnfartøyet «M/K Nesejenta» hvor samdrift mellom garnfiske etter torsk og teinedrift etter sjøkreps i Nordsjøen ble evaluert. Torsk fanget med garn har vært forsøkt holdt levende. Nye ... -
Levendelagring av snøkrabbe (Chionoecetes opilio) – effekt av individtetthet og fôring på overlevelse og skade
Siikavuopio, Sten Ivar; Olsen, Stein Harris; Whitaker, Ragnhild; James, Philip; Evensen, Tor Hatten; Mortensen, Atle; Olsen, Bjørn Ronald (Research report, 2016)Kunnskap om optimal individtetthet under levendelagring av snøkrabbe er mangelfull. Hensikten med forsøkene i dette prosjektet var å teste ut hvilken effekt ulike individtettheter under levendelagring har på overlevelse ... -
Live transport of the green sea urchin (Strongylocentrotus droebachiensis) in air and immersed in seawater and the impact on subsequent roe enhancement after in-water transport
James, Philip; Evensen, Tor Hatten (Peer reviewed; Journal article, 2022) -
Observations from the Hydrolysis of the Green Sea Urchin (Strongylocentrotus droebachiensis)
Solstad, Runar Gjerp; James, Philip (Peer reviewed; Journal article, 2022)There is a large amount of coproduct generated by the sea urchin fisheries around the world as well as a growing interest in removing large quantities of undersize and low value sea urchins from barren areas in the northern ... -
Perspectives on aquaculture's contribution to the Sustainable Development Goals for improved human and planetary health
Troell, Max; Costa-Pierce, Barry A.; Stead, Selina; Cottrell, Richard S.; Brugere, Cecilie; Farmery, Anna K; Little, David C.; Strand, Åsa; Pullin, Roger; Soto, Doris; Beveridge, Malcolm; Salie, Khalid; Dresdner, Jorge; Moraes-Valenti, Patricia; Blanchard, Julia; James, Philip; Yossa, Rodrique; Allison, Edward H; Devaney, Christopher; Barg, Uwe (Peer reviewed; Journal article, 2023)