The deep sea is rife with competition and conflict. Deep sea biodiversity relies on the scattered organisms interacting in order to survive, whether they’re working together in symbiosis, scavenging, being predated, or parasitising a host animal. But there is one ecological interaction that does more than any other to influence organisms to change and diversify, and thus plays an important role in the success of deep sea communities. The limited resources mean only a small number of niches can exist. Thus, there is greater competition between different species trying to fill the same niches. This explains why the deep sea has so much competition, for animals must share the ecosystem with other competing species all trying to consume the same limited resources.

Video timeline: 00:00 – An Introduction to Deep Sea Competition 01:31 – Chapter 1: A World of Quiet Conflict – The Reasons for Competition 02:22 – Chapter 1: A World of Quiet Conflict – The Trophic Levels 03:48 – Chapter 1: A World of Quiet Conflict – The Ecological Niches 05:21 – Chapter 2: Competition Between Species – Sea Floor Ecosystems 08:12 – Chapter 2: Competition Between Species – The Competitive Exclusion Principle 09:06 – Chapter 2: Competition Between Species – Resource Partitioning at Vents 11:48 – Chapter 3: Competition Within Species – Intraspecific Competition 12:63 – Chapter 3: Competition Within Species – Group Hunting Techniques 14:25 – Conclusion: The Importance of Ecological Competition

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