2.1.25—Reversing biosphere integrity loss

Syllabus
First assessment 2026
Objective
2.1.25
Level
HL

Protect the Conditions a Species Needs

Biosphere-integrity action works when it protects niche conditions—habitat, food, water, timing and interactions—not only the species name.

Trace pressure to reproduction and survival. Protecting a forest bird may require managing forest age and fire, not only preventing direct killing.

A bird returns to its nesting forest, but food insects emerge earlier; habitat protection alone misses the timing mismatch.

Monitor and protect food conditions and seasonal interactions, not only nesting space.

Species protection is not only preventing direct killing.