apes unit 5 exam

Which of the following statements best describes the most unsustainable method of clear-cutting forests to harvest timber?

All of the trees in a forest are cut down and removed in one operation.

Which of the following is a direct economic advantage associated with aquaculture?

Aquaculture produces large amounts of seafood for human purchase and consumption year-round.

Which of the following is an unintended environmental consequence of aquaculture?

Contamination of surrounding water by organic waste.

Give an example that best explains the concept of the tragedy of the commons?

Fish are shared resources, and as the fishing industry competes for the fish, the resource extraction is no longer sustainable.

Farmers use various methods of irrigation on crops. Which of the following statements correctly pairs an irrigation method with an advantage or disadvantage?

Flood irrigation is often used in agricultural fields, however, it increases surface erosion and salinization of the soil.

Industrial logging threatens many forested ecosystems. Which of the following environmental consequences will most likely result from clear-cutting deciduous forests for logging?

More carbon dioxide will be added to the atmosphere and increase anthropogenic climate change.

Which of the following is the most likely result from clearing mature, forested land and converting it into agricultural land that would be used for cattle grazing?

There will be a reduction in the uptake of atmospheric carbon dioxide.

One example of the tragedy of the commons occurs when trees are harvested from tropical rain forests without any regulations. Why is this is an example of the tragedy of the commons?

Timber producers remove as much timber as possible as cheaply as possible.

One way a local community might regulate a shared and limited resource and reduce the tragedy of the commons is to?

divide the resources into parcels and assign them to individuals.

A farmer grows several crops on a farm that has mostly shallow, sandy soil. Which of the following irrigation methods would be the best suited for this farm?

drip irrigation.

A major environmental problem caused by using the agricultural practice of tilling is?

eutrophication from excessive fertilizer use.

Which of the following changes to the local hydrologic cycle will result if large areas of land experienced clear-cutting?

evaporation of water from the soil will increase.

Which of the following irrigation methods is most likely to result in salinization of the soil, especially if the agricultural fields are located in a warm climate with consistent sunlight?

furrow irrigation.

an advantage of using synthetic fertilizer instead of organic fertilizer is that?

synthetic fertilizer can provide more targeted macronutrients to the crops.

The farming of fish such as salmon at aquaculture facilities poses a threat to marine ecosystems because?

the farmed fish can escape and outcompete wild fish for food and territory.