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Cetacean collisions

Yield the right of way for whales

Whales are more likely to be struck by oceangoing vessels nowadays.
Whales are more likely to be struck by oceangoing vessels nowadays.

As the human population and oceangoing traffic expand, interactions with whales increase. Southern California’s waters have a cetacean community with potential for problems.

On March 11 off Cabo San Lucas, a tour boat out for a snorkeling adventure was struck by a leaping whale as they returned from the trip. A 35-year-old Canadian woman died and four others were injured. The whale was unseen, the tour boat did not detour to get a close-up view, and nobody saw it coming until it was too late.

Large commercial vessels strike and sometimes kill cetaceans. Legislation meant to protect can increase the risk of vessel-to-whale collisions. An example of this is when the California Air Resources Board last year implemented the Ocean-Going Vessel Fuel Rule, which requires large commercial ships to use cleaner-burning fuels when traveling close to the mainland coast. To circumvent the regulation, most large ships began traveling farther offshore; this has resulted in a higher risk of ships striking whales.

On July 10, from 7:00 to 8:30 p.m., Jessica Redfern, who leads the Marine Mammal Spatial Habitat and Risk Program at the Southwest Fisheries Science Center in La Jolla, will discuss research intended to reduce the risk of ships striking whales in the Eastern Pacific Ocean.

Where: Sumner Auditorium at the Scripps Institute of Oceanography, 8595 La Jolla Shores Drive

Cost: Free

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Whales are more likely to be struck by oceangoing vessels nowadays.
Whales are more likely to be struck by oceangoing vessels nowadays.

As the human population and oceangoing traffic expand, interactions with whales increase. Southern California’s waters have a cetacean community with potential for problems.

On March 11 off Cabo San Lucas, a tour boat out for a snorkeling adventure was struck by a leaping whale as they returned from the trip. A 35-year-old Canadian woman died and four others were injured. The whale was unseen, the tour boat did not detour to get a close-up view, and nobody saw it coming until it was too late.

Large commercial vessels strike and sometimes kill cetaceans. Legislation meant to protect can increase the risk of vessel-to-whale collisions. An example of this is when the California Air Resources Board last year implemented the Ocean-Going Vessel Fuel Rule, which requires large commercial ships to use cleaner-burning fuels when traveling close to the mainland coast. To circumvent the regulation, most large ships began traveling farther offshore; this has resulted in a higher risk of ships striking whales.

On July 10, from 7:00 to 8:30 p.m., Jessica Redfern, who leads the Marine Mammal Spatial Habitat and Risk Program at the Southwest Fisheries Science Center in La Jolla, will discuss research intended to reduce the risk of ships striking whales in the Eastern Pacific Ocean.

Where: Sumner Auditorium at the Scripps Institute of Oceanography, 8595 La Jolla Shores Drive

Cost: Free

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4S Ranch Allied Gardens Alpine Baja Balboa Park Bankers Hill Barrio Logan Bay Ho Bay Park Black Mountain Ranch Blossom Valley Bonita Bonsall Borrego Springs Boulevard Campo Cardiff-by-the-Sea Carlsbad Carmel Mountain Carmel Valley Chollas View Chula Vista City College City Heights Clairemont College Area Coronado CSU San Marcos Cuyamaca College Del Cerro Del Mar Descanso Downtown San Diego Eastlake East Village El Cajon Emerald Hills Encanto Encinitas Escondido Fallbrook Fletcher Hills Golden Hill Grant Hill Grantville Grossmont College Guatay Harbor Island Hillcrest Imperial Beach Imperial Valley Jacumba Jamacha-Lomita Jamul Julian Kearny Mesa Kensington La Jolla Lakeside La Mesa Lemon Grove Leucadia Liberty Station Lincoln Acres Lincoln Park Linda Vista Little Italy Logan Heights Mesa College Midway District MiraCosta College Miramar Miramar College Mira Mesa Mission Beach Mission Hills Mission Valley Mountain View Mount Hope Mount Laguna National City Nestor Normal Heights North Park Oak Park Ocean Beach Oceanside Old Town Otay Mesa Pacific Beach Pala Palomar College Palomar Mountain Paradise Hills Pauma Valley Pine Valley Point Loma Point Loma Nazarene Potrero Poway Rainbow Ramona Rancho Bernardo Rancho Penasquitos Rancho San Diego Rancho Santa Fe Rolando San Carlos San Marcos San Onofre Santa Ysabel Santee San Ysidro Scripps Ranch SDSU Serra Mesa Shelltown Shelter Island Sherman Heights Skyline Solana Beach Sorrento Valley Southcrest South Park Southwestern College Spring Valley Stockton Talmadge Temecula Tierrasanta Tijuana UCSD University City University Heights USD Valencia Park Valley Center Vista Warner Springs
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