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Exploring the Discovery of a New Oceanic Orca Population with Josh McInnes

How To Protect The Ocean

Release Date: 03/25/2024

Why You Should Think Twice Before Eating Squid (The Seafood Labeling Problem No One Talks About) show art Why You Should Think Twice Before Eating Squid (The Seafood Labeling Problem No One Talks About)

How To Protect The Ocean

Squid fisheries are booming worldwide, but most consumers have no idea what they are actually eating. In this episode, marine biologist and Oceana policy advisor Marine Cusa breaks down how seafood labeling gaps are hiding critical information about squid species, origins, and fishing practices. Using DNA testing, her team uncovered that many squid products come from distant, high-risk fisheries, often without any transparency for consumers. We explore how traceability failures, unregulated fishing, and complex global supply chains make squid one of the hardest seafood products to track. You...

info_outline The Squid You Eat Is a Mystery, Seafood Mislabeling Explained show art The Squid You Eat Is a Mystery, Seafood Mislabeling Explained

How To Protect The Ocean

Seafood mislabeling is more common than most people realize, and squid might be one of the biggest examples. When you order calamari, you are rarely told which species you are actually eating. With more than 300 squid species in the ocean, and most products labeled simply as “squid,” consumers are left with almost no information about the origin, sustainability, or even the species on their plate. Squid fisheries are growing rapidly across the globe, but they are also some of the hardest to track. Squid is often caught on the high seas, processed in multiple countries, and sold in forms...

info_outline Why Seafood Traceability Is Broken (And What’s Really on Your Plate) show art Why Seafood Traceability Is Broken (And What’s Really on Your Plate)

How To Protect The Ocean

Seafood is one of the most globalized food systems in the world, but that complexity comes at a cost: traceability. In this episode of How to Protect the Ocean, we break down why it is so difficult to track seafood from the moment it is caught to the moment it reaches your plate. With supply chains spanning multiple countries, processing steps that remove identifying features, and practices like transshipment happening far from oversight, even well-intentioned systems struggle to keep up. We explore how seafood moves through a complex network of fishing vessels, cargo ships, processing plants,...

info_outline The Fish on Your Plate Might Not Be What the Label Says show art The Fish on Your Plate Might Not Be What the Label Says

How To Protect The Ocean

What if the fish on your plate isn’t the fish you think it is? Scientists around the world have been testing seafood from grocery stores, markets, and restaurants using DNA. The results are often surprising. Studies have found that anywhere from 10 percent to more than 30 percent of seafood products are mislabeled. In some cases, cheaper fish are sold as expensive species. In other cases, endangered fish or illegally caught seafood can enter the market under completely different names. Seafood mislabeling is not just a consumer problem. It can hide illegal fishing, undermine sustainable...

info_outline The Seafood Label Problem Most Shoppers Never Notice show art The Seafood Label Problem Most Shoppers Never Notice

How To Protect The Ocean

Most seafood labels look simple, but they often hide more than they reveal.   When you buy fish at a grocery store, the package might say salmon, tuna, or cod. But those market names can represent dozens of different species, and the label rarely tells you exactly which one you are eating. In many cases, key details like the fishing location, the vessel that caught the fish, or the specific species are missing. In this episode of How to Protect the Ocean, we explore the seafood labeling gap and why it matters. When multiple species are grouped under the same market name, it becomes harder...

info_outline The Invisible Climate Engineers Running Our Ocean show art The Invisible Climate Engineers Running Our Ocean

How To Protect The Ocean

Ocean microbes quietly power the planet. In this episode, we explore the microscopic organisms that regulate Earth’s climate, produce much of the oxygen we breathe, and move enormous amounts of carbon through the ocean every day. These invisible life forms are not just background players in the ocean system; they are central to how the planet works. Synthetic biology is now pushing this idea even further. Dr. José Ángel Moreno-Cabezuelo, a synthetic biologist working in Oxford, is engineering ancient microorganisms called cyanobacteria to capture carbon dioxide using sunlight and biology....

info_outline Can Engineered Ocean Microbes Help Fight Climate Change? show art Can Engineered Ocean Microbes Help Fight Climate Change?

How To Protect The Ocean

Engineered microbes could transform how we fight climate change. Scientists are modifying ancient ocean microorganisms to capture carbon dioxide and produce materials using only sunlight and seawater. These tiny organisms may become living factories capable of creating fuels, plastics, and industrial chemicals without relying on fossil fuels. Cyanobacteria are at the center of this research. These photosynthetic microbes helped oxygenate the Earth billions of years ago, and now scientists are exploring how they can be engineered to produce biofuels, biodegradable plastics, and sustainable...

info_outline Ocean Microbes That Eat Oil and Pollution show art Ocean Microbes That Eat Oil and Pollution

How To Protect The Ocean

Millions of people see the damage caused by oil spills and plastic pollution, but very few know what happens beneath the surface. In the ocean, microscopic organisms begin responding almost immediately. Certain marine microbes can actually consume hydrocarbons and other pollutants, turning toxic compounds into energy. Ocean microbes play a surprising role in pollution cleanup. After the Deepwater Horizon oil spill, scientists observed massive blooms of oil degrading bacteria that rapidly multiplied as they fed on hydrocarbons released into the water. These microbes act as nature’s chemical...

info_outline The Ocean Engine That Regulates Earth’s Climate show art The Ocean Engine That Regulates Earth’s Climate

How To Protect The Ocean

Every year, the ocean removes billions of tons of carbon dioxide from the atmosphere. Most people assume whales, mangroves, or seagrass are responsible for this massive climate service. But the largest carbon capture system on Earth is actually microscopic. In this episode of How to Protect the Ocean, we explore the biological carbon pump, a powerful process driven by ocean microbes that captures carbon at the surface and transports it deep into the ocean for centuries. These tiny organisms, including phytoplankton and cyanobacteria, form the foundation of marine food webs and play a critical...

info_outline Ocean Microbes Run the Planet — Here’s Why That Matters show art Ocean Microbes Run the Planet — Here’s Why That Matters

How To Protect The Ocean

When people think about ocean life, they imagine whales, sharks, coral reefs, and giant kelp forests. But the vast majority of life in the ocean is invisible. In a single teaspoon of seawater, there can be millions of microbes, including bacteria, archaea, and microscopic phytoplankton. These organisms may be tiny, but collectively they regulate oxygen production, drive nutrient cycling, and influence Earth’s climate system. In this episode of How to Protect the Ocean, we explore the hidden microbial world that powers the ocean. You will learn how ocean microbes control the chemistry of...

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More Episodes

Andrew Lewin interviews Josh McInnes from the University of British Columbia about his groundbreaking research on killer whales. They discuss Josh's work on transient orca populations and the discovery of a potential new orca population in oceanic waters. Learn about Josh's background, including his experience working on whale watching boats and delivering lectures on orcas. Dive into the reasons behind Josh pursuing a master's degree and explore the fascinating world of orca research and conservation.

Tune in for an insightful look at orcas and the exciting discoveries in marine science!

Connect with Josh on LinkedIn: https://www.linkedin.com/in/josh-mcinnes-69236197/

Follow a career in conservation: https://www.conservation-careers.com/online-training/ Use the code SUFB to get 33% off courses and the careers program.
 

Discovery of a Potential New Oceanic Population of Killer Whales

The podcast episode highlighted a significant observation regarding the potential discovery of a new oceanic population of killer whales. The observation dates back to 1997 when a large herd of female sperm whales was encountered 200 kilometers off the California coast. Renowned cytologist Bob Pittman observed these sperm whales being attacked by a group of 35 unknown killer whales, exhibiting cookie-cutter bite marks, indicating a unique and unidentified population.

This initial observation led to further research into these unknown killer whales. Subsequent fieldwork off the California and Oregon coasts revealed more interactions with these mysterious killer whales that did not align with the typical descriptions of resident or transient killer whale populations in the area. These findings have sparked the development of a potential new oceanic population of killer whales.

The significance of this discovery lies in shedding light on previously unknown or poorly understood killer whale populations. Understanding the presence and behavior of these new populations is crucial for conservation efforts and marine ecosystem management. By identifying and studying these unknown killer whales, researchers can gain insights into their ecological roles, interactions with other species, and potential threats they may face. This information is vital for developing targeted conservation strategies to protect these newly discovered populations and ensure the overall health of marine ecosystems.

  • The designation of protective status for orcas in the state of Oregon, in addition to federal protection, is crucial for emphasizing the need for conservation efforts at both state and federal levels. State-level protection in Oregon signifies a proactive approach towards safeguarding the orca population within state waters, complementing existing federal protections. This dual protection ensures that orcas are safeguarded against various threats, including ship strikes, vessel noise, pollution, overfishing, and habitat degradation.

  • The state-level protection in Oregon is particularly significant due to the state's unique role in providing essential habitat for orcas, such as the Columbia River Chinook salmon population, which is crucial for the Southern resident killer whales. By designating orcas as protected species within state waters, Oregon can enforce regulations and management strategies to mitigate threats and ensure the conservation of these iconic marine mammals.

  • The collaboration between state and federal authorities in protecting orcas sets a precedent for effective conservation efforts that recognize the importance of addressing threats at multiple levels. By working together, state and federal agencies can coordinate conservation measures, share resources, and implement comprehensive strategies to protect orcas and their habitats. This integrated approach enhances the effectiveness of conservation initiatives and promotes the long-term sustainability of orca populations in Oregon and beyond.

  • Overfishing: Josh mentions that overfishing is a significant threat to killer whales, especially for populations like the Southern Resident killer whales that rely heavily on Chinook salmon for their diet. Declining fish stocks due to overfishing can lead to food scarcity for killer whales, impacting their energetic and caloric intake. This highlights the importance of sustainable fishing practices and effective fisheries management to ensure an adequate food supply for killer whales.

  • Vessel Noise: Another threat discussed during the interviewis vessel noise, which can disrupt the communication and hunting behaviors of killer whales. The increasing number of boats, including whale-watching vessels, can contribute to underwater noise pollution, affecting the ability of killer whales to navigate, communicate, and locate prey. Mitigation measures such as reducing vessel speed, implementing noise-reducing technologies, and establishing marine protected areas can help minimize the impact of vessel noise on killer whales.

  • Pollution: Josh also mentions the presence of pollutants in killer whales, including new toxins from sources like wildfires. Pollution can accumulate in the blubber and bodies of killer whales, affecting their endocrine systems and overall health. Addressing pollution sources, implementing stricter regulations on chemical discharges, and promoting ecosystem health can help reduce the exposure of killer whales to harmful pollutants and ensure their well-being.

  • Hatchery Salmon Quality: The quality of hatchery salmon is highlighted as a concern for killer whales, as hatchery fish may not provide the same nutritional value as wild salmon. If hatchery salmon outcompete wild salmon, killer whales may receive fewer nutrients from their primary food source, impacting their overall health and reproductive success. Ensuring the availability of high-quality wild salmon through habitat restoration, sustainable fisheries practices, and monitoring hatchery operations can support the dietary needs of killer whales.

In conclusion, the various threats faced by killer whales, including overfishing, vessel noise, pollution, and hatchery salmon quality, underscore the need for comprehensive conservation strategies. These strategies should focus on sustainable fisheries management, reducing anthropogenic disturbances, addressing pollution sources, and promoting the health of marine ecosystems to safeguard the well-being of killer whale populations.