Search results
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Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds
from the codend when compared with mean length of fish retained by the codend, 10 low=!:". 100 ... mm was (both dry and wet) larger by about 10% than the nominal size. After a trawl was in use ... nominal mesh size. Generally speaking, mesh size in both codends remained at a level larger by 10-11 ... experiment. The obtained coefficients are listed in Table 6. An assessment of the Antarctic icefish ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Author(s): Zaucha, J.
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The use of analysis of penguin stomach contents in simultaneous study of prey and predator parameters
. B Ka4eCTBe BepHoro nO,llXO,lla npe,llnaraeTC5I rHe3,l10BOIA MeTO,ll aHanH3a (ANOVA), nOCKOJIbKY ,lIaHHble ... of Variation Cf Sum of Squares Mean Square Fs Probability Dates 9 56052.57 6220.06 10.57 0.0 Penguins ... 52911.36 3367.10 0.0 Deviation from regression 1 4 135.17 9.66 0.61 0.82842 Error within groups 25 392.86 ... 1-............. _ .......... _ .... " ...... --............................................... " .... -................................ " ...................... " .... " .... " .............................. " ............... " ................ " .......... " ..................... " .... " .............. .. 1 0 1-.. "'" .' .'"."."." " ....... "--.... '" .. " .. " ............ " . --. " .. ""." .......... " ... "." ..... " .... -.. " .. --." .. --............... ' ... " ---......... " ............. " ..... -.. " .. ,,' ...... . .._ ...... o IL-______________ L-______________ ~ ______________ J-______________ ~ o 10 20 30 40 dec 13 1987 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 367–375 : Author(s): Marschoff, E. and B. González
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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
a la explotaci6n comercial en gran escala. Luego de una consideracion meticulosa de 10s datos ... ninguno de 10s conjuntos de datos considerados contiene suficiente informacion, es imposible proporcionar ... 0.013 0.63 10.0 p < 0.001 0.55 0.47 611 1968/69 0.38 0.023 0.32 196 p < 0.001 ... for 2 20 15 10 5 - E a, f F 0 8 6 -5 -10 -1 5 -20 3 4 5 6 7 8 9 Age (years ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Author(s): Everson, I
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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
. Resumen En base a prospecciones efectuadas en 10s alrededores de la localidad CEMP de Isla Foca durante ... 10s veranos australes de 1990 a 1996, se calcularon cuatro indices de la disponibilidad de presas ... de dos prospecciones anuales AMLR a fin de incluir el radio de alimentacion de 10s depredadores que ... 10s indices demogrsficos de la abundancia de kril deducidos de muestras de la red. Los indices de ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Author(s): Hewitt, R.P., G. Watters and D.A. Demer
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Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of King George Island, 1988
as the 50 kHz data. Table II presents a complete listing of survey data including the areas not surveyed ... as: Sy = -75.81 + 10 log T 1.0 where Sy is mean volume back-scattering-strength; T is echo integrator ... was calculated using: cr = 10 0.1(Sy + 10 log R-TS) 1 .1 where (f is mean abundance of krill (number/m2 ... 83.10 Avg. (8S) 35.50 723.50 13.12 30.00 9.65 20.77 ELEPHANT ISLAND (El) C1 9.00 223.00 18.70 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 357–377 : Author(s): Macaulay, M.C.
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Assessments of by-catch in trawl fisheries at Heard and McDonald Islands
las tres especies fue estimado mediante el mode10 de rendimiento generalizado (GYM) utilizado por el ... 1993 y unos cuantos datos biologicos de la zona. Cuando fue posible, se obtuvieron 10s valores de 10s ... afinar estas estimaciones, ellas permiten una evaluacion inicial del riesgo de que 10s rendimientos ... el fin de permitir la exploracion. Por 10 tanto, a fin de permitir la prospeccion de agrupaciones ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Author(s): Constable, A.J., R. Williams and W.K. de la Mare
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Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends
, as the material collected off South Orkney Island was too scarce to fit the ogive (Figure 9). - 10 ... of South Georgia and South Shetland Islands (Figure 10). Although the curves were characterized ... : selection interval - 10.7 cm, mean length of fish for the 50% selection level - 29.8 cm, selectivity ... are listed in Table 8. Our trawl selectivity studies were conducted for the first time in the Antarctic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Author(s): Zaucha, J.
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Patagonian toothfish in international waters of the Southwest Indian Ocean (Statistical Area 51)
120 125 130 135 140 145 150 155 160 165 170 175 0 20 40 60 80 100 0 5 10 15 20 25 Ob-Lena ... , derived from tagging experiments. CCAMLR Science, 9: 33–48. Liste des tableaux Tableau 1: CPUE obtenue ... à partir d’activités de pêche expérimentale. Liste des fi gures Figure 1: Carte indiquant les limites ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 207–214 : Author(s): López Abellán, L.J
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An index of per capita recruitment
reclutamiento. El objetivo del indice es facilitar la investigacion del exito reproductor y de 10s factores que ... posterior de reclutas no cambia con la edad o de un aiio a otro; (ii) 100% de 10s animales de un afio ... dinamico de PCR es mayor cuando 10s valores de R1 son altos; un aumento en M tiende a compensar levemente ... este efecto. Se elabor6 un mode10 simple de la poblacion para estudiar la sensitividad de PCR a una ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Author(s): Hewitt, R
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Selectivity parameters for Notothenia gibberifrons Lönnberg, 1905 and Champsocephalus gunnari Lönnberg, 1905 obtained during “8611 ANTARCTICA [ANTARTIDA]” expedition
different methods with a codend mesh of 68 mm were 2.87 for Notothenia gibberifrons and 3.10 ... following different methods with a codend mesh of 68 mm were 2.87 for Notothenia gibberifrons and 3.10 ... for Notothenia gibberifrons and 3.10 for Champsocephalus gunnari. Resume Des experiences sur la selectivite ... pour Notothenia gibberifrons et de 3.10 pour Champsocephalus gunnari. Pe3IOMe B TelleHHe ... ,l{YIOII\He
10 ,l{JI5I ... , fueron de 2.87 para Notothenia gibberifrons y 3.10 para Champsocephalus gunnari. 87 ... Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 87-105 : Author(s): Balguerías, E.