Результаты поиска
-
Seals: Trophic modelling of the Ross Sea
). The crabeater seal dives to 20–30 m typically at night (Shirihai 2002) although in winter, at 67oS ... 1985; Testa & Siniff 1987). Weddell seals in McMurdo Sound have been studied for over 30 years (e.g ... crabeaters reach one year of age. Sexual maturity is reached in 2.5-6 years, with females reaching maturity ... (Shirihai 2002; Laws et al. 2003). Crabeater seal neonates are at least 1.1 m and about 36 (20–40) kg in ...
Document : Site Section: Publications
-
Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2
discounting the first two years’ 20 data (which are likely to be unrepresentative because ... .......................................................................... 19 Recruitment surveys ................................................................. 20 Tag ... -recapture data ................................................................... 20 Parameter values ... ..................................................................... 20 Stock assessment status .................................................................... 20 ...
Document : Site Section: Publications
-
Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2
.......................................................................... 19 Recruitment surveys ................................................................. 20 Tag ... -recapture data ................................................................... 20 Parameter values ... ..................................................................... 20 Stock assessment status .................................................................... 21 ... Current management advice and conservation measures ................................ 30 References ...
Document : Site Section: Publications
-
Scientific Abstracts 1992
population sizes from the literature are used to show that for some years, at distances of between 20 and 60 ... entanglement during the pup-rearing period was slightly higher than in the previous year (48 compared to 30 ... function of the fraction of the biomass estimate which is set as the catch for a 20-year period. Three ... common items found on seals. These proportions are similar to those reported in previous years ...
Document : Site Section: Publications
-
Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1
) 429 (12) 546 (8) 388 (12) 298 (22) 311 (20) 230 (18) 359 (30) Yanque 46 (7) UK ... Argos Froyanes 158 (4) 332 (28) 38 (1) 183 (23) 220 (25) 239 (30) 70 (4) 230 (20) Argos ... years of age and can live to at least 27 years, whereas M. caml reaches full size at about 15–20 years ... December 2014 to 30 November 2015). Fishery Report 2017: Exploratory fishery for ...
Document : Site Section: Publications
-
Scientific Abstracts 2008
. Neonate mortality up to 30 days after the median date of pupping was estimated for the years 1997–2007 at ... with previous censuses over a 20-year period (1987, 1992, 1994 and 1996) indicates the rate of ... document is to list the set of measures that France will pursue in the next few years to limit bird ... extinction within thirty years. Also proposed are recommendations regarding incidental catches during ...
Document : Site Section: Publications
-
Scientific Abstracts 2006
Kingdom), 20 pp. (English, unpublished). During the 15th year of standardised beach surveys of man-made ... protection and scientific study’ under the terms of Article IX of the CAMLR Convention. The identification ... representative, scientific and vulnerable areas. CCAMLR-XXV/BG/30 Achieving a network of marine protected ... annual report. As in previous years, more items of marine debris and fishing gear (mostly longlining ...
Document : Site Section: Publications
-
Scientific Abstracts 2001
from recent years, with 20 entanglements reported over winter and 22 during the summer breeding ... * 1 000 m-3, which is among the highest values for the past 20 years. The high krill abundance and ... explain the 5-year lag as 5 years is the average age of recruitment to the summer breeding population ... , but is consistent with numbers in years prior to 1998/99. A dramatic increase (310%) in the number ...
Document : Site Section: Publications
-
Scientific Abstracts 2000
(English). Finfishing in the Southern Ocean began more than 30 years ago at South Georgia and the ... temperature, while in other years (1980, 1981) it was negative. The second year type (1979, 1984, 1987) was ... wearing neck collars of man-made debris. One ad- ditional sighting was of an animal that had been ... seals there had also decreased (by 42%) since 1998/99. Over the past four years, fluctuations in the ...
Document : Site Section: Publications
-
Scientific Abstracts 1994
and WG-CEMP ............................. 20 Working Group on Fish Stock Assessment (WG-FSA ... 0ET, Untied Kingdom), 18 pp. (English, unpublished). SC-CAMLR-XIII/8 WG-CEMP-94/20 Antarctic pack ice ... entangled in net fragments (35%) than in packaging bands (30%), the decrease in the latter mirroring the ... between 30° and 80°E. During the course of this work several tasks were performed, including the analysis ...
Document : Site Section: Publications
Страницы
- « первая
- ‹ предыдущая
- …
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- …
- следующая ›
- последняя »