Redwood forest ecology by Lily Giammona

Biotic: Fern

lilygiammona — 2025-05-07 17:41:44 UTC

A fern is a producer meaning they make their own food.

Biotic: Redwood snails

lilygiammona — 2025-05-07 17:46:10 UTC

A redwood snails is a detritivore meaning they help decompose the waste.

Biotic: Black bears

lilygiammona — 2025-05-07 17:48:51 UTC

A black bear is a consumer meaning they eat other animals or plants.

Abiotic: Sunlight

lilygiammona — 2025-05-07 17:53:07 UTC

Sunlight us needed for warmth and for photosynthesis

Abiotic: Water

lilygiammona — 2025-05-07 17:54:02 UTC

Water is needed for hydration and photosynthesis

Abiotic: Soil

lilygiammona — 2025-05-07 17:54:57 UTC

Needed for plants to grow in

Threatened: Northern spotted owl

lilygiammona — 2025-05-08 18:37:23 UTC

They are threatened due to climate change and habitat loss.

Endangered: Point arena mountain Beaver

lilygiammona — 2025-05-08 18:45:21 UTC

They are endangered due to habitat loss, fragmentation and other threats.

Extinct: California grizzly bear

lilygiammona — 2025-05-09 23:24:06 UTC

They went extinct due to habitat loss and over-hunting by humans. The last seen California grizzly bear was in 1924.

Increase: Roosevelt elk

lilygiammona — 2025-05-09 23:36:05 UTC

The Roosevelt elk population size is increasing due to protected areas and hunting restrictions.

Increase: Coho salmon

lilygiammona — 2025-05-09 23:37:44 UTC

The Coho salmon population is increasing in the redwood forest, but at a slower pace. They are increasing due to habitat restoration and conservation efforts.

Mycorrhizal fungi and redwood trees

lilygiammona — 2025-05-09 23:44:10 UTC

The fungi helps the redwood trees absorb nutrients and water, and the fungi gets access to sugars and carbohydrates.

Banana slug and Redwood tree

lilygiammona — 2025-05-09 23:47:51 UTC

The banana slug helps eat the dead waste around the tree as well as the other plants that might take the needed resources from the young redwood trees. The Redwood tree provides a moist, cool, shady area for the banana slug which is needed for survival.

Competitive: Steller Jays

lilygiammona — 2025-05-09 23:51:34 UTC

Steller Jays will fight each other during mating season over a mate.

Predator/prey: Black bear and deer

lilygiammona — 2025-05-09 23:55:47 UTC

A black bear is a predator that lives in the redwood forest and they often hunt deer, especially baby or weak deer.

Cooperative relationship: Ravens and Wolves

lilygiammona — 2025-05-10 00:09:19 UTC

The wolves hunt the large prey like deer or elk, and the raven follows from the air or waits nearby. Once they prey is caught, the raven comes down to help get the scraps that the wolf could not access alone. The raven will also sometimes actively guide wolves towards injured or animals for the wolf to hunt.