New Zealand Podocarp Forest Food Web
Terrestrial
Temperate Broadleaf & Mixed Forests
New Zealand — North and South Islands
Description
New Zealand's ancient podocarp forests evolved in the absence of land mammals, creating a unique food web dominated by birds and invertebrates. Flightless kiwi, giant weta, and tuatara fill niches occupied by mammals elsewhere. The introduction of rats, stoats, and possums has devastated native bird populations.
Trophic Pyramid
Level 5
Decomposers
Native fungi
Peripatus
Leaf-litter invertebrates
3 species
Level 4
Tertiary Consumers
Haast's eagle (extinct)
New Zealand falcon
2 species
Level 3
Secondary Consumers
Kiwi
Tuatara
Morepork owl
3 species
Level 2
Primary Consumers
Kereru
Weta
Kakapo
3 species
Level 1
Producers
Rimu
Kahikatea
Tree ferns
3 species
Apex Predators
Tertiary Consumers
Secondary Consumers
Primary Consumers
Producers
Key Interactions
- Kereru are the only birds large enough to disperse seeds of large-fruited native trees
- Kiwi probe soil with long bills to locate earthworms and invertebrates at night
- Introduced stoats and rats are the primary predators of native birds and eggs
- Tuatara are the sole surviving rhynchocephalian reptiles, filling a nocturnal insectivore niche