Blar i Havforskningsinstituttet på emneord "biologisk mangfold"

Viser treff 1-20 av 22

    • Artsmangfoldet på lophelia-korallrev og metoder for kartlegging og overvåking 

      Fosså, Jan Helge; Buhl-Mortensen, Pål (Fisken og havet, Research report, 1998)
      The report presents an overview of all species identified from Lophelia reefs in Mid-Norway. The results are based on analyses of material collected with ROV (Remote Operated Vehicle), triangular dredge, van Veen grab ...

    • Automatic species recognition, length measurement and weight determination, using the CatchMeter computer vision system 

      Svellingen, Cato; Totland, Bjørn; White, Darren; Øvredal, Jan Tore (ICES CM documents, Working paper, 2006)
      The collection of biological data on species composition and individual length and weight of specimen has always been an important part of fisheries research. Traditionally, the collected information has been recorded on ...

    • The Bergen multifrequency analyzer (BMA): A new toolbox for acoustic catagorization and species identification 

      Ona, Egil; Korneliussen, Rolf J.; Knudsen, Hans Petter; Rang, Kjell; Eliassen, Inge; Heggelund, Yngve; Patel, Daniel (Others, 2004)

    • Effekter på økosystemer og biologisk mangfold : Klimaendringer i norsk Arktis : NorACIA delutredning 3 

      Loeng, Harald; Ottersen, Geir; Svenning, Martin A.; Stien, Audun (Research report, 2010-02)

    • Fisheries-induced selection as a driver of biodiversity change in exploited populations 

      Heino, Mikko (ICES CM documents;2007/E:17, Working paper, 2007)
      Today, fishing is the dominant source of mortality in most commercially exploited fish stocks. Life-history theory predicts that changes in mortality regime cause selection on life-history traits. In particular, increased ...

    • Hav (bunn og pelagisk) 

      van der Meeren, Gro; Lorentsen, Svein-Håkon; Skjoldal, Hein Rune (DN-utredning;3-2010, Chapter, 2010-09-23)
      I en ny undersøkelse av global marin biodiversitet er det vist at det i østre Atlanterhavet er registrert 12 270 ulike arter; 28 % planteplankton og storalger, 18 % krepsdyr, 13 % børstemark, 11 % bløtdyr, mens fisk utgjør ...

    • Kystvann (bunn og pelagisk) 

      Oug, Eivind; Christie, Hartvig; Eikrem, Wenche; van der Meeren, Gro; Nilssen, Kjell Tormod; Lorentsen, Svein-Håkon (DN-utredning;3-2010, Chapter, 2010-09-23)
      Norge har en kystlinje på ca. 2500 km målt langs den såkalte grunnlinjen fra svenskegrensen til Grense Jakobselv. Grunnlinjen trekkes mellom ytterpunktene på landformasjoner som stikker opp over vannflaten. Målt langs land ...

    • Marine indikatorer 

      van der Meeren, Gro; Øigård, Tor Arne; Øien, Nils; Nilssen, Kjell Tormod; Oug, Eivind; Sunnanå, Knut; Jakobsen, Tore; Mehl, Sigbjørn; Kvamme, Cecilie; Torstensen, Else; Stenevik, Erling Kåre; Planque, Benjamin; Helle, Gunnar; Gjøsæter, Jakob; Skiftesvik, Anne Berit; Aglen, Asgeir; Johannessen, Tore; Dommasnes, Are; Naustvoll, Lars-Johan; Moy, Frithjof E.; Falkenhaug, Tone; Melle, Webjørn; Knutsen, Tor; Eriksen, Elena; Jørgensen, Lis Lindal; Fosså, Jan Helge; Bannister, Raymond; Buhl-Mortensen, Lene; Buhl-Mortensen, Pål; Strand, Øivind; Søvik, Guldborg; Jelmert, Anders; Knutsen, Jan Atle; Enersen, Svein Erik; Edvardsen, Hanne; Kroglund, Tone; Pedersen, Atle; Eikrem, Wenche; Bekkby, Trine; Tveite, Stein (DN-utredning;4-2010, Chapter, 2010-09)
      The Nature Index (NI) is established to get an overview of the state and development of biodiversity within the major ecosystems of Norway. It includes marine, limnic and terrestrial ecosystems. The aim of the index is to ...

    • Marine indikatorer 

      van der Meeren, Gro; Øigård, Tor Arne; Øien, Nils; Nilssen, Kjell Tormod; Oug, Eivind; Sunnanå, Knut; Jakobsen, Tore; Mehl, Sigbjørn; Kvamme, Cecilie; Torstensen, Else; Stenevik, Erling Kåre; Planque, Benjamin; Helle, Gunnar; Gjøsæter, Jakob; Skiftesvik, Anne Berit; Aglen, Asgeir; Johannessen, Tore; Dommasnes, Are; Naustvoll, Lars-Johan; Moy, Frithjof E.; Falkenhaug, Tone; Melle, Webjørn; Knutsen, Tor; Eriksen, Elena; Jørgensen, Lis Lindal; Fosså, Jan Helge; Bannister, Raymond; Buhl-Mortensen, Lene; Buhl-Mortensen, Pål; Strand, Øivind; Søvik, Guldborg; Jelmert, Anders; Knutsen, Jan Atle; Enersen, Svein Erik; Edvardsen, Hanne; Kroglund, Tone; Pedersen, Atle; Eikrem, Wenche; Bekkby, Trine; Tveite, Stein (DN-utredning;4-2010, Chapter, 2010-09)
      The Nature Index (NI) is established to get an overview of the state and development of biodiversity within the major ecosystems of Norway. It includes marine, limnic and terrestrial ecosystems. The aim of the index is to ...

    • Marine verneområder 

      Skjoldal, Hein Rune (Havforskningsnytt, Working paper, 2005)

    • Ocean biodiversity informatics (OBI): Introduction 

      Costello, Mark J.; Berghe, Edward Vanden; Browman, Howard I. (Journal article; Peer reviewed, 2006-07-03)

    • Prey consumtion by Barents sea harp seals in the period 1990-2005 

      Lindstrøm, Ulf; Nilssen, Kjell Tormod; Haug, Tore (ICES CM documents, Working paper, 2006)
      The Barents Sea ecosystem has experienced major fluctuations in species abundance in the past 20-30 years. The mechanisms behind these fluctuations are complex and arise from numerous interactions between species and the ...

    • Relative merits of using numbers and biomass in fish community studies 

      Bianchi, Gabriella; Høisæter, Tore (Journal article; Peer reviewed, 1992-08-27)
      In descriptions of fish communities, the question of which measure of abundance should be used, whether numbers or biomass, has never been addressed. While both measures are often available, the common practice is to use ...

    • Report of the ICES-NAFO Working Group on Deep-water Ecology (WGDEC) [9–13 March 2009] 

      ICES (ICES CM documents;2009\ACOM:23, Working paper, 2009)

    • Report of the Working Group on Biodiversity Science (WGBIODIV) [21–25 February 2011 ICES Headquarters, Copenhagen, Denmark] 

      ICES (ICES CM documents;2011/SSGEF:02, Working paper, 2011)

    • Report of the Workshop on Marine Biodiversity (WKMARBIO): furthering ICES engagement in biodiversity issues[ 9-11 February 2011 Copenhagen, Denmark] 

      ICES (ICES CM documents;2011/SSGSUE:02, Working paper, 2011)

    • Set fiskefunna dine i Artsdatabanken : Report fish findings to The Norwegian Biodiversity Information Centre 

      Bjelland, Otte; Nedreaas, Kjell Harald; Hauge, Marie (Havforskningsnytt;Nr. 8 - 2010, Working paper, 2010)
      Scientists study the current status of the most important fish populations in Norwegian waters annually. Population estimates are based on the results of our own field studies, research and fisheries. Observations by the ...

    • The CoML pilot project MAR-ECO: Goals, status, and significance for ICES 

      Bergstad, Odd Aksel; Falkenhaug, Tone (ICES CM Documents;2002/L:10, Working paper, 2002)
      The Mid-Atlantic ridge and adjacent waters are targeted in an international ecosystem study under the Census of Marine Life programme. This pilot project shall gather new knowledge on biodiversity, distribution patterns, ...

    • The Nature Index: A General Framework for Synthesizing Knowledge on the State of Biodiversity 

      Certain, Grégoire; Skarpaas, Olav; Bjerke, Jarle-Werner; Framstad, Erik; Lindholm, Markus; Nilsen, Jan-Erik; Norderhaug, Ann; Oug, Eivind; Pedersen, Hans-Christian; Schartau, Ann-Kristin; van der Meeren, Gro; Aslaksen, Iulie; Engen, Steinar; Garnåsjordet, Per-Arild; Kvaløy, Pål; Lillegård, Magnar; Yoccoz, Nigel G.; Nybø, Signe (Journal article; Peer reviewed, 2011-04-22)
      The magnitude and urgency of the biodiversity crisis is widely recognized within scientific and political organizations. However, a lack of integrated measures for biodiversity has greatly constrained the national and ...

    • Vurdering av Naturindekser i Norge med fokus på de marine indikatorene - Status og videre planer 

      van der Meeren, Gro (Rapport fra Havforskningen;3-2011, Working paper, 2011-02)
      The aim of this report is to state the progress of the work at IMR to develop further the marine bases for the database of Nature indexes of Norway. Time series on krill and amphiopds are being analysed, as well as papers ...