The document summarizes and compares two ecosystems in Puerto Rico: Bosque Seco de Guánica and El Yunque National Forest. It describes the different forest areas within each ecosystem, including the types of trees and canopy layers. It also discusses the differences in rainfall, soil composition, and how each ecosystem has adapted. Finally, it provides details on some of the unique flora and fauna found in each forest and some environmental problems currently facing them.

1. Ecosystems
Biol. 3009 (RISE)

2. Gifts for the World
- Recognized by
the United
Nations
1980
1981
Recognition from the United
Nations, Bosque Seco de
Guánica

3. Areas
Guánica
•Evergreen Forest
•Deciduous
Forest
•Thorn Bushes
Forest
•Dwarf Forest

4. Areas
Yunque
•Dwarf Forest
•Tabonuco Forest
•Palo Colorado
Forest
•Sierra Palm
Forest

5. Water Rain
Dry Forest Forest
• 30in. of Rain Water • 200in. Of Rain Water
• Results: • Results:
– Smaller trees – Taller trees
– Dry air – More Humidity
– Smaller Leaves – Bigger Leaves
– Divided the forest in – Divides the forest in
sections sections
– Adaptation – Adaptation

6. Soil
“Forest inside another
Forest” “Multi-layered cake”

7. Flora
•Height of
trees
•Tree
abundance

8. Flora
Plants'
leaves

9. Flora
•Photosynthesis
•Diverse
vegetation

10. Flora

11. Canopy Layers and
Height
•Difference between the four areas
of the two forests
•Difference between the canopy
layers

12. Canopy Layers and
Height

13. Canopy Layers and
Height

14. Fauna
•Insects, reptiles and anphibians
•Birds
-Pájaro Bobo Mayor
– San Pedrito

15. Fauna
Guánica
• Guabairo
• Guaraguao
• Sapo Concho
• Siguara del Rabo
Azul

16. Fauna
Yunque
•Zorzal Pardo
•Cotorra
Puertorriqueña

17. Buffer Zone
•Guánica •Yunque

18. Problems
•Yunque
-Overpopulation
-Pollution
-Endangered Species

19. Problems
•Guánica
–Invading Species
–Epiphytes Plants
–Global Climate Change