14.12.2012 Views

Oceans of noise - Whale and Dolphin Conservation Society

Oceans of noise - Whale and Dolphin Conservation Society

Oceans of noise - Whale and Dolphin Conservation Society

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Table 4.2. Summary <strong>of</strong> sound frequencies used by selected baleen whales (mysticetes) for<br />

communication.<br />

Species Frequency<br />

range (kHz)<br />

Balaena mysticetus Calls<br />

0.1-0.58<br />

Moans<br />

0.025-0.9<br />

Pulsive sounds 0.025-3.5<br />

Song<br />

0.02-0.5<br />

Balaenoptera<br />

acutorostrata<br />

Down sweeps<br />

Moans, grunts<br />

Ratchet<br />

Sweeps, moans<br />

Thump trains<br />

52<br />

0.06-0.13<br />

0.06-0.14<br />

0.85-6<br />

0.06-0.14<br />

0.1-2<br />

Reference<br />

Thompson et al. 1979;<br />

Ljungblad et al. 1980, 1982;<br />

Norris <strong>and</strong> Leatherwood 1981;<br />

Clark <strong>and</strong> Johnston 1984;<br />

Würsig et al. 1985;<br />

Clark et al. 1986;<br />

Cummings <strong>and</strong> Holliday 1987;<br />

Würsig <strong>and</strong> Clark 1993<br />

Schevill <strong>and</strong> Watkins 1972;<br />

Winn <strong>and</strong> Perkins 1976<br />

Balaenoptera borealis Sweeps 1.5-3.5 Thompson et al. 1979;<br />

Knowlton et al. 1991<br />

Balaenoptera musculus Moans 0.012-0.4 Cummings <strong>and</strong> Thompson<br />

1971, 1994;<br />

Edds 1982;<br />

Balaenoptera physalus Clicks<br />

Constant call<br />

Moans<br />

Moans,<br />

downsweeps<br />

Moans, upsweeps<br />

Pulses<br />

Ragged pulse<br />

Rumble<br />

Whistles & chirps<br />

Eubalaena australis Pulsive calls<br />

Tonal calls<br />

Eubalaena glacialis Call<br />

Moan<br />

Eschrichtius robustus Call<br />

Clicks<br />

FM sweep<br />

Moans<br />

Modulated pulses<br />

Pulses<br />

Megaptera novaeangliae Grunts<br />

Horn blasts<br />

Moans<br />

Pulse trains<br />

16-28<br />

0.02-0.04<br />

0.016-0.75<br />

0.014-0.118<br />

0.03-0.075<br />

0.018-0.075<br />

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!