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Spatio-Temporal Patterns of Beaked Whale Echolocation Signals in the North Pacific

Figure 4

Seasonality of Z. cavirostris (Zc, top panel) at sites SOCAL M, N and Hawai’i, of M. stejnegeri (Ms, middle panel) at sites Aleutian Islands Buldir, Gulf of Alaska CB, Washington Quinault Canyon, and SOCAL M, and of M. densirostris (Md, bottom panel) at sites Hawai’i and Kaua’i.

A point indicates partial monthly recording effort and data in that month was adjusted for reduced effort. Grey shaded areas show no monthly effort.

Figure 4

doi: https://doi.org/10.1371/journal.pone.0086072.g004