Resultados de la búsqueda
-
Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region
well as the chi-square goodness of fit test. 3. RESULTS The survey covered an area of ... summer 1989/90 the total amount of krill reached 2 700 x 109 individuals in the survey area (Figure 3 ... ). Abundance was higher during the post-spawning season 1984/85 with 3 795 x 109 krill and highest in early ... expected values for the least number of components are summarized in Table 3 (chi-squared = 11.1, df = 25 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Autor(es): Siegel, V.
-
Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds
notothenia. 3. The solution to the problem of ensuring selectivity of codends at a sufficiently good level ... bossues. 3. 11 semble possible de resoudre le probleme d'une selectivite satisfaisante de rabans de cui ... . 3. TIpe,l{CTaBJI.HeTC.H, 1:fTO peIlIeHHe npOOJIeMhI ooeCne1:feHH.SI ,l{OCTaT01:fHO xopoIlIero ... tendencia a pasar. por el copo que el draco ray ado y la trama jorobada. 3. La soluci6n al problema de ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Autor(es): Zaucha, J.
-
[node:field-journal-volume]:37-51
26 27 28 29 30 31 32 33 34 35 36 Snout–vent length (cm) 5 4 3 2 1 2 45 12 4 11 2 92 72 37 8 ... value was attributed to each age estimate, as follows: 1. certain count 2. uncertainty of ±1 year 3 ... of exploitation so far. Only fi sh with readability grades of 1–3 were used in the analysis of von ... scale for both males and females: 1. immature 2. maturing 3. ripe 4. running ripe 5. spent. Data ...
Science Journal Paper : 37–51
-
Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
26 27 28 29 30 31 32 33 34 35 36 Snout–vent length (cm) 5 4 3 2 1 2 45 12 4 11 2 92 72 37 8 ... value was attributed to each age estimate, as follows: 1. certain count 2. uncertainty of ±1 year 3 ... of exploitation so far. Only fi sh with readability grades of 1–3 were used in the analysis of von ... scale for both males and females: 1. immature 2. maturing 3. ripe 4. running ripe 5. spent. Data ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Autor(es): Marriott, P., P.L. Horn and P. McMillan
-
Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys
Sampled Processed 7 7 54 37 6 5 43 32 7 6 30 27 7 7 3 6 31 Minimum and maximum sample sizes ... fullness was evaluated according to a five-point scale: 0 (empty), 1 (25% full), 2 (50% full), 3 (75 ... analysis of prey in relation to the size of C. gunnari, fish were grouped into 3-cm size classes ... were two peaks, 14-18/21-25 cm and 13-15/25-28 cm respectively, which, according to agellength keys ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Autor(es): Barrera-Oro, E., R. Casaux and E. Marschoff
-
Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
- nian toothfish, which is likely to be the fish prey 3 Fish loss due to killer and sperm whale ... loss d loss d j k l d B c c E c= å (3) where ( ) , ,j k lloss dB c equals the fish biomass lost ... estimates of fish biomass lost to depre- dation were then calculated by summing the results of equation 3 ... (3) were used replacing the fish biomass (B) by the number of fish (N) to provide final estimates ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Autor(es): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
-
An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
~afi C. gun~zari Ha nnaTo o - ~ a X e p ~ H 6 a ~ ~ e UIenn ~ p e 6 y m ~ p a 3 ~ e n b ~ o r o ... maximum likelihood and bootstrap estimates are shown in Table 3. LENGTH-DENSITY ANALYSES For each ... curves for the two regions are shown in Figure 3. The fitted von Bertalanffy parameters are given in ... ,, were calculated for each survey stratum and averaged for a = 2 and a = 3. The individual estimates ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Autor(es): de la Mare, W.K., R. Williams and A.J. Constable
-
Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies
about 1/3 to 1/2 of the total biomass of the Antarctic mesopelagic fish, i.e. around 70-130 and 100 ... -200xl06 tonnes, respectively (Lubimova, 1985a; Lubimova et al., 1983a). 3. SUMMARIES OF MAJOR ... 4 to 5 years. Age of maturity is 2 to 3 years (Shust and Kochkin, 1985). Length at maturity L50=8.6 ... ). Size compositions of samples taken in different areas are shown in Figure 3. Maximum age is not ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Autor(es): Sabourenkov, E.N.
-
Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
100 Frequency of Higher F Value 26 34 3 2 3 3 9 9 27 95 45 5 7 34 25 28 78 Siege1 ... o-sa 3 n e a a ~ ~ 6brne paccMoTpeHbi c Uenbm onpeaeneHkizr cTeneHj4 npuroaHocTM ~ 3 y ~ a e ~ o r ... (~nostly age group l+) and adult krill (mostly >3+ age groups). Wed. =juveniles of the Weddell Sea stock ... (SC-CAMLR, 1994) estimated a water retention time of 28 to 44 days for the Elephant Island area ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Autor(es): Siegel, V., W. de la Mare and V. Loeb
-
Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3
0.1945 M= 0.1749 ± 0.0361 28 Tabla 3: Mortalidades naturales determinadas para 2 profundidades de ... = 7848). Se utilizaron los panimetros de von Bertalanffy obtenidos independientemente por 3 autores y se ... von Bertalanffy y T es la edad donde N,* W t toma su valor maximo. 3. RESULTAOOS 3.1 Efecto del ... partir de los parametros de crecirniento de las 3 ecuaciones y las distribuciones de tallas de los peces ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Autor(es): Moreno, C.A. and P.S. Rubilar