Результаты поиска
-
At-sea distribution and diet of an endangered top predator: links of white-chinned petrels with commercial longline fisheries
French Exclusive Economic Zone (EEZ) and other Commission for the Conservation of Antarctic Marine Living ... co-occurrence (19% of birds in the vicinity of vessels). This result was confirmed by the relatively ... low occurrence of fishery-related items (4 to 22%) in chick food samples. However given the large size ... conservation concern. To build conservation strategies it is essential to estimate likelihood of seabird ...
Meeting Document : WG-FSA-10/P01 : Автор(ы): K. Delord, C. Cotté, C. Péron, C. Marteau, P. Pruvost, N. Gasco, G. Duhamel, Y. Cherel and H. Weimerskirch
-
Choice of a procedure for deciding closure of CCAMLR fisheries: a simulation model
Secretariat of CCAMLR, as described in Conservation Measures, have been difficult to implement because of the ... under a variety of circumstances. The Model described in the existing Conservation Measures is shown to ... variation in catch rates shown by the fisheries. Non-fluctuating random and fluctuating random catch ... histories are simulated and the performance of four Models for making closure decisions is investigated ...
Meeting Document : CCAMLR-X/BG/09 : Автор(ы): Secretariat
-
A review of national observer training and education programs (Scheme of International Scientific Observation)
procedures; sea survival and safety; and the CAMLR Convention and CCAMLR conservation measures in force. The ... Abstract: At CCAMLR-XXV, the Scientific Committee noted that the implementation of the observer ... program and the application of observer requirements could be improved by adopting a standard approach to ... education and training for observers in these fisheries (SC-CAMLR-XXV, paragraph 2.11). A review of current ...
Meeting Document : SC-CAMLR-XXVI/BG/09 Rev. 1 : Автор(ы): Secretariat
-
KRILLBASE: a multinational, circumpolar database of abundance of Antarctic krill and salps
, including studies in support of fisheries management and conservation. Previous versions of KRILLBASE have ... data have been collected on the abundance of the two taxa from net sampling surveys since 1926, but ... they are stored in national archives, sometimes only in archived notebooks. An international team of ... led to a series of papers since 2004 that illustrate some of its potential uses. The latest version ...
Meeting Document : SC-CAMLR-XXXV/BG/24 Rev. 1 : Автор(ы): A. Atkinson, S. Hill, H. Peat, R. Downie and L. Gerrish
-
Method for rapidly assessing spatial scale of interactions of fishing gear with habitats and Antarctic marine living resources
Abstract: In 2014, the Scientific Committee noted that it needed to develop advice routinely on ... requested working groups consider how to report on these issues, which also form part of the review ... consideration. Here, we present (i) a method for automating these requirements irrespective of the data layers ... features, using bottom fishing on benthic habitats in East Antarctica. The assessment method has (i) an ...
Meeting Document : WG-FSA-15/62 Rev. 1 : Автор(ы): A. Constable, M. Sumner, J. Melbourne-Thomas and D. Welsford (Australia)
-
Geographical aspects of utilising resources of krill (Euphausia superba)
Abstract: This paper presents data on the distribution of E. superba in the Atlantic sector and ... . In a number of subregions on the periphery of the Weddell Gyre (both to the north and south), as well ... as in the coastal waters of the Antarctic continent, the formation of krill aggregations is variable ... in terms of location of individual aggregations. The main difficulty with starting up a fishery there ...
Meeting Document : WG-EMM-96/05 : Автор(ы): Makarov, R.R.
-
Stable isotope analysis of Southern Ocean fish tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni)
Atlantic, and sperm whales from the Gulf of Mexico. There was high variance in?15N and?13C values for each ... may be due to ontogentic changes in diet, and/or progressive consumption of larger individuals of the ... same species with age. There was significant residual variance in?15N and?13C values for each of the ... not explained by the isotopic composition of prey sampled in that area. This may be due to: (1 ...
Meeting Document : WG-EMM-07/19 : Автор(ы): M.H. Pinkerton, S. Bury, S.M. Hanchet and D. Thompson (New Zealand)
-
Mercury concentrations of five species of Antarctic fish collected from CCAMLR Subareas 88.1 and 88.2
(NZFSA). In contrast, mean levels of mercury for D. mawsoni were 0.10 mg/kg-1 in the 1998 samples and ... 0.16 mg/kg-1 in the 2006 samples, both of which are well below the permissible level. Mercury levels ... levels were positively correlated with fish length in four of the species. Mercury levels also showed ... showed no trends with any factors for M. whitsoni. The low levels of mercury in D. mawsoni relative to ...
Meeting Document : WG-FSA-07/24 : Автор(ы): S.M. Hanchet, D.M. Tracey, A. Dunn, P.L. Horn and N. Smith (New Zealand)
-
Preliminary report of sound-speed contrast and density of krill measured on board RV Kaiyo Maru
41.7mm and 1.0720gcm-3 in 2005 survey. The corresponding sound-speed contrasts of mean total length ... improve the accuracy and precision of the TS value. Since in situ and experimental TS measurements of ... ) and the other is the ratio of the sound speed in animal to that in the surrounding water (sound-speed ... still few. During Antarctic surveys of the Japanese R/V Kaiyo Maru in 2000 and 2004/ 2005, the ...
Meeting Document : WG-EMM-05/36 : Автор(ы): Y. Takao, H. Yasuma, R. Matsukura and M. Naganobu (Japan)
-
Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots
of the greatest fishery in Antarctic waters. Management of the fishery is based on a precautionary ... and temporal pattern of the fishery is only described in meso to macro scales (>>10 4 km 2 ... those years when the precautionary catch limit is reached. These events occur mainly in the centre of ... Abstract: Antarctic krill is a key species in the Southern Ocean food web and is also the target ...
Meeting Document : WG-EMM-16/52 : Автор(ы): F. Santa Cruz, B. Ernst and J.A. Arata
Страницы
- « первая
- ‹ предыдущая
- …
- 686
- 687
- 688
- 689
- 690
- 691
- 692
- 693
- 694
- …
- следующая ›
- последняя »