These stands are known for their high structural diversity, even-aged stand development, and resilience in boreal landscape dynamics. 2. Old Mature Black Mangrove ( Avicennia germinans )
These forests are often over 80–160 years old, growing on thick mossy ground cover (Sphagnum). old mature black
"Old mature black" refers to specialized, ecologically significant forest stands—often ( Picea mariana ) or black mangrove ( Avicennia germinans )—that have existed for a long time without major disturbance, providing critical habitat and ecosystem services. These stands are known for their high structural
Old mature black mangroves form dense thickets, acting as a critical, high-value ecosystem component. even-aged stand development