1. Saguaro Desert A Desert Ecosystem By: Jillian, Asia, Isabel, and Lena

2. Main, Main, Main, Main Organisms! Producers!!!!! Cactus Cactus Primary Consumers!!!!! Kangaroo Rats Kangaroo Rats Tortoise Tortoise Jackrabbit Jackrabbit Sphinx Moth Sphinx MothConsumers!!!!!! Scorpions Scorpions Secondary Consumers Hawk Hawk Coyote Coyote Roadrunner Roadrunner Bobcats Bobcats Peccary Peccary Rattlesnakes Rattlesnakes Mountain Lions Mountain Lions Eagles Eagles

3. ENVIRONMENT

4. ENVIRONMENT Sunshine most of the year with hot temps Sunshine most of the year with hot temps Rainy seasons twice a year Rainy seasons twice a year –July-September: short, violent thunderstorms –January-March: gentle rains

5. Temperature Average daytime temperatures range from 60°-70° F Average daytime temperatures range from 60°-70° F Nighttime temps can fall below freezing Nighttime temps can fall below freezing Hottest Period: May-September with temps over 100 ° Hottest Period: May-September with temps over 100 ° In the Rincon Mountains, temps are cooler In the Rincon Mountains, temps are cooler

6. The Effects Of People

7. Expansion of cities The park is split into two sections between both halves of the desert is the city of Tucson. The park is split into two sections between both halves of the desert is the city of Tucson. Tucson is expanding with more people. Tucson is expanding with more people. When the city expands it means that there is less room for the plants and animals to live and grow. When the city expands it means that there is less room for the plants and animals to live and grow.

8. Drag races Drag races kill turtles. Drag races kill turtles. Turtles get killed because they are slow Turtles get killed because they are slow Roadrunners eat turtles and since the turtles are getting killed so there is less food for the roadrunners and that means that the population of roadrunners will soon die out. Roadrunners eat turtles and since the turtles are getting killed so there is less food for the roadrunners and that means that the population of roadrunners will soon die out.

9. Boundaries The land goes beyond the boundaries. The land goes beyond the boundaries. The animals don’t realize that there are boundaries and go beyond them. The animals don’t realize that there are boundaries and go beyond them. When the animals go beyond the boundaries with out realizing it then they get hit by the cars that are driving around outside the boundaries. When the animals go beyond the boundaries with out realizing it then they get hit by the cars that are driving around outside the boundaries.

10. ABIOTIC Effects some effects are…

11. Frost Frost When the weather is cold and the ground freezes, the animals can’t burrow. Vehicles: Off Road and Other Drivers Vehicles: Off Road and Other Drivers Careless drivers kill small animals and plants and that affects the food chain.

12. Air Pollution Air Pollution Power plants and smelters add to the air pollution that affects the air quality for the plants and animals. Power plants convert mechanical energy into electrical energy. Power plants convert mechanical energy into electrical energy. Smelters takes iron ore and turns it into steel. Smelters takes iron ore and turns it into steel.

13. FOOD WEB Coyote Roadrunner Hawk Snake Bats TortoiseJackrabbit Kangaroo Rat Moth Cacti Mexican Poppy Popcorn Flower Cacti Mexican Poppy Popcorn Flower