Resultados de la búsqueda
-
Results from the 2019 annual acoustic krill monitoring off the South Orkney Islands
Abstract: In 2019, the annual IMR regional krill monitoring survey off the South Orkneys was ... conducted by RV Kronprins Haakon as part of the Scotia Sea large scale krill monitoring effort. To allow for ... surveys from 2011 to 2018. The distribution was similar to previous years with most krill along the shelf ... edge north of the Islands. Also the krill areal density measured on the 120 kHz of 69.87 g/m 2 was very ...
Meeting Document : WG-EMM-2019/69 : Autor(es): G. Skaret, B.A. Krafft, G. Macaulay, T. Knutsen and O.A. Bergstad
-
Diel vertical distribution of Antarctic krill around the South Shetland Islands in February 2019 and its potential effect on biomass estimation
Abstract: To address the potential effect of DVM behavior on krill biomass estimates, diel ... vertical distribution of krill swarms around the South Shetland Islands in Subarea 48.1 were analyzed based ... survey. Results show that more krill swarms were found in shallower depth at night than during daytime ... likely underestimate the krill density due to the shallow distribution pattern of the animal, which may ...
Meeting Document : SG-ASAM-2019/05 : Autor(es): X. Wang, X. Yu, J. Zhang and X. Zhao
-
Krill associated ecosystem studies in the western Indian Ocean sector of the Southern Ocean during austral summer
Abstract: India is getting prepared to take up studies on Krill associated ecosystem studies in ... Austral summer 2019-20. The proposed objectives are to to understand the distribution and biomass of krill ... in the western Indian Ocean Sector of the Southern Ocean, to relate larval/adult krill with the ... , N. Saravanane and M. Sudhakar Title: Krill associated ecosystem studies in the western Indian Ocean ...
Meeting Document : WG-EMM-2019/79 : Autor(es): B.R. Smitha, H. Manjebrayakath, C.R. Asha Devi, N. Saravanane and M. Sudhakar
-
Krill caught by predators and nets: differences between species and techniques
during February 1986 at South Georgia were compared to krill from scientific nets fished in the area at ... Abstract: Samples of Antarctic krill collected from six seabird species and Antarctic fur seal ... the same time. The length-frequency distribution of krill was broadly similar between predators and ... nets although the krill taken by diving species formed a homogeneous group which showed significant ...
Meeting Document : WG-EMM-96/09 : Autor(es): Hill, H.J., Reid, K., Trathan, P.N., Croxall, J.P.
-
Natural fluctuations in the abundance of krill with due regard to global climate changes in the southern hemisphere: forecasting possibilities
constantly both in scientific and commercial fishing gear. Poor year-classes of krill and upsurges in the ... ;success" in the reproduction of krill (Euphausia superba) and salp (Salpa tompsoni) (SC-CAMLR-XVI4 ... between the strong year-classes of krill and severe winters when the ice-cover extended itself northwards ... generations of krill were formed during the years when the winter position of the ice edge was south of the ...
Meeting Document : WG-EMM-98/52 : Autor(es): K. Shust (Russia)
-
Descriptive analysis of haul data from FV Atlantic Navigator in Elephant Islands (48.1), South Georgia Islands (48.3) and South Orkney Islands (48.3) krill fishery (summer 2004 to early winter 2005)
Abstract: Data from individual hauls carried out by krill F/V “Atlantic Navigator” operating in ... with CFS (293 kg/min) during summer 2005. The biggest krill size also corresponded to this zone and ... recorded under the CCAMLR Scheme of International Scientific Observation (SC-CAMLR, 1993). Author(s): O ... ) krill fishery (summer 2004 to early winter 2005) Approval: Approved ...
Meeting Document : WG-EMM-05/12 : Autor(es): O. Pin, H. Nión, E. Delfino and P. Meneses (Uruguay)
-
Monitoring krill population variability using seabirds and seals at South Georgia – new samplers provide new insights
distribution and abundance of a single dominant zooplankton species, Antarctic krill Euphausia superba. At ... South Georgia interannual variability in the krill-based marine ecosystem has historically been most ... population size structure of krill in the diet of Antarctic fur seals Arctocephalus gazella, particularly ... associated with periods of low krill biomass, has shown that the population dynamics of krill is a major ...
Meeting Document : WG-EMM-04/63 : Autor(es): K. Reid, E.J. Murphy, J.P. Croxall and P.N. Trathan (United Kingdom)
-
Spatio-temporal variability in the winter diet of larval and juvenile Antarctic krill, Euphausia superba, in ice-covered waters
and a major fisheries resource. The winter survival of age class 0 (AC0) krill is susceptible to ... Abstract: Antarctic krill Euphausia superba is an ecological key species in the Southern Ocean ... limited. We studied the spatio-temporal variability of the diet in 4 cohorts of AC0 krill in the Northern ... show that the diet of overwintering AC0 krill varies significantly in space and time. Variability in ...
Meeting Document : WG-EMM-18/P18 : Autor(es): F.L. Schaafsma, D. Kohlbach, C. David, B.A. Lange, M. Graeve, H. Flores and J.A. van Franeker
-
Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population
krill in the Antarctic occurs in a 21 relatively small number of regional fisheries within the Scotia ... Abstract: Understanding the demographics of Antarctic krill over large scales may be complicated ... length–frequency distribution of krill in the Scotia Sea using samples from the South 13 Shetland Islands ... of krill is represented in both populations simultaneously. It appears 19 that first-year krill are ...
Meeting Document : WG-EMM-02/16 : Autor(es): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)
-
Precautionary management of the Antarctic krill fishery at small spatial scales in the context of regional climate variability: pros and cons of coastal buffers, closed areas and move-on rules
changes in the oceanic domain add to the complexity of managing the Antarctic krill fishery, particularly ... plausible that removals of even small amounts of krill could have reduced foraging opportunities. We discuss ... three management tools that could provide conservation benefits for near-shore krill-dependent species ... buffers closed to fishing during the penguin breeding season could reduce krill catches by approximately ...
Meeting Document : SC-CAMLR-XXXV/BG/14 : Autor(es): Delegation of the United Kingdom