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Seasonal cycles and reproduction in sei whales of the Southern Hemisphere
Periodical:
'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] SEASONAL CYCLES AND REPRODUCTION IN SEI WHALES 43 Bannister & Gambell also pointed out that in the period from 1954 to 1963 there was a marked change in the density of sei whales off Durban, with inc [...]
National Oceanographic Council, Annual Report 1950/51 - 1964/65 , (Publishing the Annual Reports...
Full text:[...] Research Projects 39 that a comparison of independent readings will in due course further assist accurate interpretation. Meanwhile Mr Gambell has examined the composition of catches of sei whales of [...]
Seasonal cycles and reproduction in sei whales of the Southern Hemisphere
Periodical:
'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 86 R. GAMBELL U 45 <6 47 48 49 5 0 51 52 53 54 55 5 6 57 58 Whale length (ft.) Text-fig. 36. Relationship between the mean diameter of the largest follicle and whale length in Antarctic resting sei w [...]
Sperm whales off Durban
Periodical:
'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] SPERM WHALES OFF DURBAN 209 comes to analysing records of the catches and sightings of whales during this time, for with the addition of suitable corrections to allow for such factors as increasing e [...]
Sperm whales off Durban
Periodical:
'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 206 RAY GAMBELL Details of the main collections of sperm whale material available are given as they are considered and analysed in the various sections of this report. In addition to data from Durban [...]
Sperm whales off Durban
Periodical:
'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 308 RAY GAMBELL 25 « 20 E C3 -3 3 Jj 3 15 10 25 30 35 whale length (ft) 40 Text-fig. 65. Diameters of collapsed uterine cornua, the mean at each length and the fitted regression for resting sperm wha [...]
Seasonal cycles and reproduction in sei whales of the Southern Hemisphere
Periodical:
'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 126 R. GAMBELL I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 20 no. of corpora Text-fig. 67. Pregnancy rate of Antarctic sei whales at each corpus number. MEAN LENGTH AT SEXUAL MATURITY The mean lengths at w [...]
Sperm whales off Durban
Periodical:
'Discovery' reports
Periodical volume:
'Discovery' reports (35)
Full text:[...] 268 RAY GAMBELL observations are shown in text-fig. 35. The numbers of foetuses in each 20 cm length group have been smoothed in threes and expressed as percentages. The resulting plots are nearly-sy [...]
National Oceanographic Council, Annual Report 1950/51 - 1964/65 , (Publishing the Annual Reports...
Full text:[...] 38 Research Projects Such changes from month to month, taken with complementary data from the Antarctic in summer, have shown, at least approximately, the differences in the timing of the migrations [...]
National Oceanographic Council, Annual Report 1950/51 - 1964/65 , (Publishing the Annual Reports...
Full text:[...] Research Projects 23 abundance of fin whales (standard deviation 10% of the mean) could be obtained with two vessels operating from December to March, though estimates for the scarcer blue whales wou [...]
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