Результаты поиска
-
Preliminary tag-recapture based population assessment of Antarctic toothfish in Subarea 48.4
biomass across the time series and harvest rate of γ = 0.038, implies a 2018/19 yield of 37 tonnes ... , unchanged from the 2017/18 catch limit. Historically, a precautionary approach has been applied in treating ... the 48.4 Antarctic toothfish as a separate stock. Based on the biological characteristics of the ... Sandwich Islands are now hypothesised as being part of a much larger stock that extends south into Subarea ...
Meeting Document : WG-FSA-18/26 : Автор(ы): T. Earl and A. Riley
-
Relationships between distribution of two euphausiid species and oceanographic characteristics in the Ross Sea (January–February 2000)
6 hours a haul and a CTD cast (or a XBT launch) were performed, and a XBT was launched between ... first time a detailed description of the krill distribution in the Ross Sea area related to ... crystallorophias one. The first species was almost exclusively present in the northern area, interesting only a ... , while Euphausia superba was relatively abundant. The two species had a very limited, but with relatively ...
Meeting Document : WG-EMM-02/38 : Автор(ы): A. Russo, M. Azzali, E. Biffi, G. Lanciani and E. Paschine (Italy)
-
From KYM to GYM: the development of the krill yield model
a starting point for such documentation, as well as a conceptual approach which may provide a ... framework for a set of reference documents which could be held electronically on the CCAMLR website and/or ...
Meeting Document : WG-EMM-01/8 : Автор(ы): Secretariat
-
Development of standard methods for environmental data
index F2 (sea-ice), drafted a standard method for index F5 (sea surface temperature), and begun ... -ice cover viewed from a CEMP site), F3 (local weather at a CEMP site) and F4 (snow cover at a CEMP ...
Meeting Document : WG-EMM-98/06 : Автор(ы): Secretariat
-
Program of research to improve the seabird by-catch mitigation effectiveness of the Spanish system of longline fishing
Abstract: This document seeks the approval of CCAMLR for a research plan to improve the seabird ... in the Convention area and, potentially, in other fisheries where Spanish system vessels operate. A ... step-wise approach will be taken using a chartered fishing vessel in Chile to trial various line ... used by Spanish system vessels. The objectives are to (a) reduce the degree of lofting in hook lines ...
Meeting Document : WG-FSA-05/12 : Автор(ы): G. Robertson (Australia) and C. Moreno (Chile)
-
Estimates of global krill abundance based on recent acoustic density measurements and their implications for the calculation of precautionary catch limits and the designation of management areas
differences between our estimates and others can be explained by a number of factors such as: an ... underestimation of the range, or of the acoustic biomass estimates, the possibility of a large, undetected krill ... biomass estimates are correct, regional and global precautionary limits are still likely to rise as a ... result of new surveys because the method used to calculate precautionary limits uses a value of 11 % of ...
Meeting Document : WG-EMM-99/22 : Автор(ы): S. Nicol, A. Constable and T. Pauly (Australia)
-
KRILL FISHERY BEHAVIOUR IN THE SOUTHWEST ATLANTIC
behaviour of krill fishery. Analysis of travel distance in relation to catch level revealed a pattern that ... ). Other nations do not have a preference for an upper limit of catch. Locations of operations were very ... tows were 10-15 nm, which is the scale of a single concentration. However, there was considerable year ... to year variability in the probabilities of operating within a local range after a number of tows. In ...
Meeting Document : WG-EMM-08/39 : Автор(ы): S. Kawaguchi (Australia)
-
Marine debris collected at Cape Shirreff, Livingston Island, during the Antarctic season 1993/94
Abstract: As a complementary activity related to demographic studies on the population of ... Arctocephalus gazella, and with the purpose of having a baseline zero for further studies using the guidelines ... prepared by the CCAMLR Secretariat, a survey to develop a complete collection of marine debris and heavy ... Southern Ocean on which several fishing, logistic and tourist activities are developed. Approximately a 70 ...
Meeting Document : CCAMLR-XIII/BG/17 : Автор(ы): Delegation of Chile
-
Species variability and population structure of Euphausiacea in Admiralty Bay (King George Island; South Shetland Islands) during Antarctic summer
krill is still scarce and fragmentary, despite the fact that those organisms are a significant element ... Admiralty Bay is located, is a region of dynamic climate characterized by variable maritime conditions which ... make this region particularly susceptible to climate change. This area is also a breeding site of the ... WP2 net with a mesh size of 200 µm. Studies showed that krill was represented by species such as ...
Meeting Document : WG-EMM-14/60 : Автор(ы): A. Panasiuk-Chodnicka, J. Wawrzynek and M. Iwona Żmijewska (Poland)
-
Research plan for exploratory fishing for toothfish (Dissostichus spp.) in 2016/17 in Division 58.4.2 by France
Korean-flagged vessel undertook research fishing activity with a total reported catch of 11 tonnes. For ... 2016 a total of five vessels, one each from Australia, France, Japan, Korea and from Spain, have ... achieve a robust stock assessment and define catch limits according to CCAMLR decision rules. This paper ... presents a proposal for a research plan for 2016/17 developed under Conservation Measure 41-05. The aim is ...
Meeting Document : WG-SAM-16/02 : Автор(ы): Delegation of France
Страницы
- « первая
- ‹ предыдущая
- …
- 182
- 183
- 184
- 185
- 186
- 187
- 188
- 189
- 190
- …
- следующая ›
- последняя »