This ecosystem is characterized by:

* Shrubland: Dominated by drought-tolerant shrubs like sagebrush, chamise, and manzanita.

* Dry climate: Receives low annual rainfall, typically less than 20 inches.

* Fire-adapted: Plants and animals have adapted to survive frequent wildfires.

* Unique biodiversity: Supports a diverse range of plant and animal life, including many endemic species found nowhere else.

While Temecula's specific location is within this broader ecosystem, it's important to note that its specific microclimate and local vegetation may differ slightly due to elevation and other factors.