Thinking like a mackerel: Rachel Carson's

: In contrast to "the land ethic," Rachel Carson's Under the Sea-Wind suggests a trans-ecotonal sea ethic, which understands human's perception as inhibited by ecotones, such as shorelines and the ocean surface, and suggests four foundational concepts: 1.) Humans are not fully adapted to life in the oceans. 2.) Humans need to understand the scale and complexity of ocean ecosystems. 3.) Humans disrupt ocean ecosystems by over-harvesting their productivity, and modifying ecosystem processes and linkages, such as migrations. 4.) Human imagination and rational scientific investigation can traverse the ecotones, allowing us to more fully value ocean life and processes