Answer the questions in order
1. You decide to farm oil palms in a rain forest climate. What strategy would most help minimize the environmental costs?(1 point)
Responses
adjusting the application of fertilizer to the specific nutrient needs of oil palms
adjusting the application of fertilizer to the specific nutrient needs of oil palms
moving wildlife away from the cultivated land for protection
moving wildlife away from the cultivated land for protection
dedicating a large area to the unique cultivation of oil palms
dedicating a large area to the unique cultivation of oil palms
planting trees on land that has previously been cleared of trees
2. What effect can erosion have on a beach?(1 point)
Responses
It can cause lower beach elevations.
It can cause lower beach elevations.
It can cause wider beaches.
It can cause wider beaches.
It can cause an increase in sand on beaches.
It can cause an increase in sand on beaches.
It can cause higher beach elevations.
3. Which is NOT considered a cause of beach erosion?(1 point)
Responses
Human activity like building too close to the shoreline & damaging sand dunes
Human activity like building too close to the shoreline & damaging sand dunes
Wave action, the continuous movement of seawater
Wave action, the continuous movement of seawater
Beach renourishment strategies like building up sand dunes and supporting them with fencing
Beach renourishment strategies like building up sand dunes and supporting them with fencing
Storm waves can move sand deeper into the water, creating sand bars
4. Identify the shoreline erosion management STRUCTURE that has the following positive aspects: biodegradeable, but remains in place long enough to encourage seagrass rooting and allows plant growth(1 point)
Responses
Jetties
Jetties
Sea Walls
Sea Walls
Beach Nourishment
Beach Nourishment
Coconut Coir Log Walls
5. While Beach Renourishment is effective, the following are negative EXCEPT side effects(1 point)
Responses
Expensive process
Expensive process
Beach is elevated & extended
Beach is elevated & extended
Beaches must close during renourishment
Beaches must close during renourishment
Results are temporary & must be repeated every 5-7 years
Results are temporary & must be repeated every 5-7 years
8 answers
2. It can cause lower beach elevations
3. Storm waves can move sand deeper into the water, creating sand bars
4. Coconut Coir Log Walls
5. Beach is elevated & extended
Responses
natural wind breaks to protect vulnerable crops
natural wind breaks to protect vulnerable crops
Cover crops which slow erosion thru roots anchoring soil
Cover crops which slow erosion thru roots anchoring soil
Uniform cropping- planting entire fields of the same crop
Uniform cropping- planting entire fields of the same crop
Improving soil through crop rotaion, fallow fields, etc
Improving soil through crop rotaion, fallow fields, etc
(1 point)
Responses
Coffee beans would be sold at higher prices to consumer
Coffee beans would be sold at higher prices to consumer
More pestides are used
More pestides are used
More soil erosion
More soil erosion
Lower initial start up cost
3 answers