Результаты поиска
-
A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
) resource in the Prince Edward Islands vicinity Abstract / Description: The status of the toothfish ... future TACs in the face of this appreciable uncertainty. Four Operating Models (OMs) reflecting ... developed which take account of the different selectivities of past longline and pot fisheries. These OMs ... are used for trials of a candidate generic MP which could provide future TAC recommendations for this ... ) Department of Mathematics and Applied Mathematics University of Cape Town Rondebosch 7701, South Africa ... Email – anabela.brandao@uct.ac.za Abstract The status of the toothfish resource in the Prince Edward ... face of this appreciable uncertainty. Four Operating Models (OMs) reflecting ‘Optimistic ... account of the different selectivities of past longline and pot fisheries. These OMs are used for trials ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Автор(ы): Brandão, A. and D.S. Butterworth
-
Directed research. Antarctic Marine Living Resources (AMLR). A program development plan
program providing information needed for US policy regarding the conservation and management of the marine ... living resources in the ocean areas surrounding Antarctica. The program is in support of US participation ... in the Commission and Scientific Committee of the Convention for the Conservation of Antarctic Marine ... Living Resources (CCAMLR), which established the system for managing the living resources of the ... MARINE LIVING RESOURCES (AMLR). A PROGRAM DEVELOPMENT PLAN Office of Science and Technology, NMFS ... , NOAA, U.S. Department of Commerce (U.S.A.) Abstract The U.S. Antarctic Marine Living Resources ... conservation and management of the marine living resources in the ocean areas surrounding Antarctica. The ... program is in support of U.S. participation in the Commission and Scientific Committee of the Convention ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Автор(ы): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)
-
Editorial
Paper Title: Editorial Abstract / Description: This is the 18th volume of CCAMLR Science and the ... contents reflect the important science that supports CCAMLR’s management of the marine living resources of ... the Southern Ocean. In particular there is a suite of papers that address key aspects of improving ... assessment of the population status of toothfish and of assessing the risk associated with gathering data and ... Science, Vol. 18 (2011): 167 167 This is the 18th volume of CCAMLR Science and the contents reflect the ... important science that sup- ports CCAMLR’s management of the marine living resources of the Southern Ocean ... . In particular there is a suite of papers that address key aspects of improving assessment of the ... population status of toothfish and of assessing the risk associated with gathering data and interpreting ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 167 : Автор(ы): Editors
-
Some principles for fisheries regulation from an ecosystem perspective
/ Description: The paper discusses some principles to be considered in the formulation of a framework for the ... regulation of fisheries from an ecosystem perspective, under the Convention for the Conservation of Antarctic ... regulation which have a more rigorous scientific interpretation than the broad principles of conservation set ... framed in terms of quantities which can be robustly estimated, thus allowing the degree to which ... principles to be considered in the formulation of a framework for the. regulation of fisheries from an ... ecosystem perspective, under the Convention for the Conservation of Antarctic Marine Living Resources. An ... rigorous scientific interpretation than the broad principles of conservation set out in the Convention ... . An important property required for subsidiary objectives is that they are framed in terms of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Автор(ы): de la Mare, W.K.
-
Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
, Ommastrephidae) in the Scotia Sea: an ecological approach Abstract / Description: In anticipation of the ... development of a new fishery for the ommastrephid squid Martialia hyadesi in the Scotia Sea, this paper ... presents a revision of annual consumption of the species by higher predators and provides a brief review of ... information about the life cycle and distribution of the species obtained from research fishing and commercial ... United Kingdom Abstract In anticipation of the development of a new fishery for the ommastrephid ... squid Martialia hyadesi in the Scotia Sea, this paper presents a revision of annual consumption of the ... species by higher predators and provides a brief review of information about the life cycle and ... distribution of the species obtained from research fishing and commercial catches. This species is eaten by ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Автор(ы): Rodhouse, P.G
-
Estimating krill recruitment and its variability
likelihood method is developed for the decomposition of krill density-at-length data into the proportion of ... recruits in a population sampled by a net haul survey. Preliminary results from a series of five net haul ... surveys in the South Atlantic and the Indian Ocean sectors of the Southern Ocean give a mean recruitment ... rate for 1+ krill (the ratio of the number of krill aged one year to the number of krill aged one year ... of krill density-at-length data into the proportion of recruits in a population sampled by a net ... haul survey. Preliminary results from a series of five net haul surveys in the South Atlantic and the ... Indian Ocean sectors of the Southern Ocean give a mean recruitment rate for l+ krill (the ratio of the ... number of krill aged one year to the number of krill aged one year and above) of 0.339 with a standard ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Автор(ы): de la Mare, W.K
-
Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years of ... the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of Elephant Island ... in the 1980s showed that stocks of Champsocephalus gunnari, Notothenia rossii, Gobionotothen ... gibberifrons and Chaenocephalus aceratus have been considerably affected by fishing. Stocks of G. gibberifrons ... , with most of the commercial harvesting taking place in the first two years of the fishery. Results of ... bottom trawl surveys conducted by Germany in the vicinity of Elephant Island in the 1980s showed that ... stocks of Chainpsocephalus gtlnnari, Nototheizia rossii, Gobionotothen gibberifrons and Chaenocephalus ... aceratus have been considerably affected by fishing. Stocks of G. gibberifions and C. aceratus had ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Автор(ы): Kock, K.-H
-
Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)
/ Description: The results of fishing cruises carried out from 1986/87 to 1988/89 in Division 58.5.1 (Kerguelen ... Island) have made possible a review of the status of the various harvested fish stocks. Since 1984, an ... average annual growth of 36% has been noted in the abundance of the juvenile section of the stock of ... Notothenia rossii, a species which is at present only fishable as a by-catch. The total biomass of the stock ... DIVISION 58.5.1 (KERGUELEN) G. Duhamel Abstract The results of fishing cruises carried out from 1986 ... /87 to 1988/89 in Division 58.5.1 (Kerguelen Island) have made possible a review of the status of ... the various harvested fish stocks. Since 1984, an average annual growth of 36% has been noted in the ... abundance of the juvenile section of the stock of Notothenia rossii, a species which is at present only ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Автор(ы): Duhamel, G.
-
A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies
using a von Bertalanffy (VB) growth model taking into account response-biased sampling of fish that were ... aged. Subsampling of random lengthfrequency (LF) data used to obtain the samples of fish for ageing ... used length-bin sampling involving a fixed sample size per bin. Estimation of the VB parameters used a ... definition of the likelihood function based on variable probability (VP) sampling due to the prespecified ... . Lamb and R. Williams Department of Environment and Water Resources Australian Antarctic Division 203 ... fi tted using a von Bertalanffy (VB) growth model taking into account response-biased sampling of fi ... sh that were aged. Subsampling of random length- frequency (LF) data used to obtain the samples of fi ... sh for ageing used length-bin sampling involving a fi xed sample size per bin. Estimation of the VB ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Автор(ы): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
-
Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
58.4.2 (Kosmonavtov and Sodruzhestva Seas) Abstract / Description: Current estimates of the level of ... then been extrapolated over all of Antarctica. According to these calculations the entire amount of ... krill consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million ... tonnes (Lubimova, Shust, 1980 and Shust, 1987). However these extrapolated values of krill consumption by ... , V.A. Bibik and V.V. Gerasimchuk* Abstract * Current estimates of the level of krill consumption ... over all of Antarctica. According to these calculations the entire amount of kriU consumed is between ... 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million tonnes (Lubimova ... , Shust, 1980 and Shust, 1987). However these extrapolated values of kriU consumption by fish and other ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Автор(ы): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk
Страницы
- « первая
- ‹ предыдущая
- …
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- следующая ›
- последняя »