Our Planet Season 1 Episode 4
Our Planet
Season 1

Ep 4. Coastal Seas

  • April 5, 2019
  • 8.8  (1,677)

Our Planet season 1 episode 4, Coastal Seas, takes viewers on a journey to explore the vast and diverse ecosystems found along the world's coastlines. Using stunning footage captured by the latest technology, the episode examines the complex relationships between the sea and the land, and how this balance is being threatened by human activity.

The episode first introduces viewers to the wealth of life that can be found in shallow coastal waters, including stunning coral reefs and vibrant schools of fish. Viewers are given a close-up look at the intricate web of predator and prey relationships that exist in these ecosystems, as well as the behavior of some of the ocean's most fascinating creatures, such as octopuses and squid.

As the episode progresses, it delves into the various ways in which human activity is impacting these delicate ecosystems. Viewers are shown how pollution from industrial and agricultural runoff is causing toxic algal blooms, which in turn are killing off large numbers of fish and other marine life. The effects of overfishing are also explored, with the episode showing how once-thriving communities of fish have been decimated by years of unchecked fishing practices.

The episode also examines the impact of climate change on coastal ecosystems, with rising sea temperatures and acidification posing major threats to the survival of many forms of marine life. Viewers are shown the devastating effects of coral bleaching, which occurs when coral reefs become stressed due to warm waters and other factors and begin to expel the symbiotic algae that provide them with nutrients and color.

Despite the many challenges facing coastal ecosystems, the episode also highlights some of the solutions being implemented to address them. Viewers are shown how sustainable fishing practices, such as the use of selective fishing gear and the establishment of marine reserves, can help to safeguard fish populations and preserve a balance between predator and prey. The episode also explores the importance of marine protected areas in preserving biodiversity and the role of citizen scientists in monitoring and protecting coastal ecosystems.

Throughout the episode, viewers are treated to stunning footage of some of the world's most stunning coastal ecosystems, from the colorful coral reefs around the Great Barrier Reef to the vast kelp forests found off the coast of California. The episode serves to underscore the extraordinary beauty and complexity of these ecosystems, and the urgent need for action to protect them for future generations. Overall, Coastal Seas is a powerful and informative episode that shines a light on some of the most pressing environmental issues facing our planet today.

Description
Watch Our Planet - Coastal Seas (s1 e4) Online - Watch online anytime: Buy, Rent
Our Planet, Season 1 Episode 4, is available to watch and stream on Netflix. You can also buy, rent Our Planet on demand at Netflix online.
  • First Aired
    April 5, 2019
  • Language
    English
  • IMDB Rating
    8.8  (1,677)