These groups represent the species' presence in more marginal environments, often separated by rapids or human infrastructure that limit their movement. This encompasses a significant portion of South America, where the main population thrives within the complex network of the Amazon River.
The Role of Habitat Diversity in Pink Dolphins Genetic Diversity
Several national parks and biological reserves across South America provide a sanctuary for these animals. Lakes and tributaries connected to the main Amazon channels.
Habitat fragmentation from dam construction, pollution from agricultural runoff, and accidental entanglement in fishing gear are significant pressures. These locations are crucial for the overall genetic diversity of the species.
The Role of Genetic Diversity in Pink Dolphins Across Fragmented Habitats
The Orinoco presents a different environment, and the dolphins here have established a separate ecological niche within this extensive river system. While genetically similar to their Amazonian cousins, this group is geographically isolated.
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