University:
Acadia University
Course:
BIOL 2663 | Marine Biology
Academic year:

2024
Views:

22

Pages:

4
Author:

Nabila n.

Biotic Factors Shaping Marine Ecosystems What are Biotic Factors? Biotic factors are the living components of an ecosystem, including plants, animals, fungi, bacteria, and other organisms. They play a crucial role in shaping the structure, function, and diversity of marine ecosystems. Importance of Biotic Factors in Marine Ecosystems Food Webs Biotic factors are the foundation of marine food webs, providing food and energy for other organisms Habitat They create habitats, providing shelter, breeding grounds, and other essential resources for marine organisms Nutrient Cycling They are involved in nutrient cycling, essential for the growth and productivity of marine ecosystems. Key Biotic Components of Marine Ecosystems Fish A diverse group of organisms that occupy different trophic levels and play vital roles in marine ecosystems. Coral Important habitat builders and essential for the diversity of marine life, especially in tropical regions. ÷ Algae Primary producers, providing the foundation for marine food webs and contributing to oxygen production, Interactions between Biotic and Abiotic Factors 1 Sunlight affects the growth of algae, which are food for fish and other marine organisms. Temperature influences the distribution and abundance of marine species, with some thriving in warmer waters and others in colder waters Water currents transport nutrients, larvae, and organisms, affecting the distribution and connectivity of marine populations 2 3 Impacts of Human Activities on Biotic Factors 1 Overfishing depletes fish populations, disrupting food webs and threatening the balance of marine ecosystems. Pollution, including plastic, chemicals, and oil spills, harms marine life and damages habitats Climate change leads to ocean acidification and warming impacting the health and survival of marine organisms. 2 3