Результаты поиска
-
Analysis of the by-catch of Channichthys rhinoceratus and Lepidonotothen squamifrons from the fisheries at Heard Island and the McDonald Islands (Division 58.5.2)
squamifrons are among the most common species bycaught in the toothfish and mackerel icefish trawl fisheries ... at Heard Island and McDonald Islands (HIMI) (Division 58.5.2). These species are rarely taken in the ... .). In the toothfish fishery both species are taken, whereas C. rhinoceratus is much more common in the ... bycatch of the mackerel icefish fishery than L. squamifrons. Over the 15 years of the fisheries ...
Meeting Document : WG-FSA-12/24 : Автор(ы): G.B. Nowara, D.C. Welsford, S.G. Candy and T.D. Lamb (Australia)
-
SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... intrinsic rate of natural increase has declined to –0.3% per year over the last seven years, compared to the ... 9.3% per year between 1987/1988 and 2001/2002, and the population is in the mature phase of population ... gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16–20 ...
Meeting Document : WG-EMM-10/P15 : Автор(ы): M.N. Bester, P.G. Ryan and J. Visagie
-
Committee for Environmental Protection: 2016 Annual Report to the Scientific Committee of CCAMLR
second joint CEP-SC-CAMLR workshop was held May 19-20, 2016 in Punta Arenas, Chile, just prior to the CEP ... Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit of ... both. In order to avoid duplicate reporting between the two committees, and following discussions ... : climate change and environmental monitoring. Workshop results and recommendations are discussed in a ...
Meeting Document : SC-CAMLR-XXXV/BG/09 : Автор(ы): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)
-
A new method for the measurement of Antarctic krill Euphausia superba Dana from predator food samples
maturity stage which can be discriminated in predator food samples. The use of removed carapace length as a ... inaccurate, providing that the animal may be staged. Author(s): H.J. Hill (United Kingdom) Title: A new ...
Meeting Document : WG-CEMP-90/40 : Автор(ы): H.J. Hill (United Kingdom)
-
Krill population trends
concentrated for the last 20 years. There have been suggestions of changes in the distribution and abundance of ... intense inter- and intra-annual variability of krill abundance within regions. These fluctuations in ...
Meeting Document : CCAMLR-IWC-WS-08/11 : Автор(ы): Tarling, G., Watkins, J., Quetin, L., Reiss, C., Atkinson, A., Ross, R., Pakhomov, E., Kawaguchi, S., Nicol, S., Siegel, V.
-
Summer survey of fur seals at Prince Edward Island, southern Indian Ocean
11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... intrinsic rate of natural increase has declined to –0.3% per year over the last seven years, compared to the ... 9.3% per year between 1987/1988 and 2001/2002, and the population is in the mature phase of population ... gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16–20 ...
Meeting Document : WG-EMM-10/P15 : Автор(ы): M.N. Bester, P.G. Ryan and J. Visagie
-
Antarctic icefishes (Channichthyidae) – a unique family of fishes – a review
Abstract: Icefish are a family of species unique among vertebrates in that they possess no ... haemoglobin. With the exception of one species, icefish live only in the cold – stable and oxygen – rich ... environment of the Southern Ocean. It is still questionable how old icefish are in evolutionary terms: they ... they are 15 – 20 Ma old and started to evolve some time after the formation of the Antarctic ...
Meeting Document : WG-FSA-04/10 : Автор(ы): K.-H. Kock (Germany)
-
Disentangling the influence of three major threats on the demography of an albatross community
threats on the demography of seabird communities is vital for evidence-based conservation. Using 20 years ... ) at subantarctic Macquarie Island, we quantified the temporal variability in survival, breeding ... probability and success. In three species (excluding the wandering albatross because of the small population ... Southern Annular Mode (SAM) explained 22.9-40.9% and 22.2-33.4% of the temporal variability in survival and ...
Meeting Document : WG-FSA-2019/34 : Автор(ы): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell
-
Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator–prey interaction lead to erroneous conclusions about precaution
hierarchical model and 30+ years of monitoring data, we show that expected penguin performance was reduced when ... are as precautionary as presumed. Antarctic krill are targeted by the largest fishery in the Southern ... local harvest rates of krill were ≥ 0.1, and this effect was similar in magnitude to that of poor ...
Meeting Document : WG-EMM-2019/11 : Автор(ы): G.M. Watters, J.T. Hinke and C.S. Reiss
-
Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering
and 2018) collected at a relatively fixed location with bottom depth around 200 m were used to ... , respectively. However, ANOVA analysis indicated that there was no significant difference among years at both ...
Meeting Document : SG-ASAM-18/06 : Автор(ы): X. Wang, X. Yu and X. Zhao
Страницы
- « первая
- ‹ предыдущая
- …
- 407
- 408
- 409
- 410
- 411
- 412
- 413
- 414
- 415
- …
- следующая ›
- последняя »