保ほ全ぜん生せい態たい学がく

Meanings

1

conservation ecology

Academic field studying the preservation and restoration of biodiversity, ecosystems, and natural habitats.

study, learning, science

生せい態たい学がく
Ecology in general; 保全生態学 specifically focuses on conservation applications.
環かん境きょう保ほ全ぜん
Environmental conservation broadly; 保全生態学 is the scientific discipline behind it.

Compound of 保全 (conservation) + 生態学 (ecology). A modern academic term with no obscure historical derivation.