Ecosystem level biodiversity
Species level biodiversity
Aquatic biodiversity
Sustainable Forests
Hodge podge
100
Air and water purification, habitats, soil erosion prevention, and absorption of carbon dioxide are all this type of service provided by forests.
What is ecological
100
the demise of the passenger pigeon is an example of this type of extinction.
What is biological extinction
100
Introduction of the Nile perch caused the extinction of 100's of cichlid fish species in this African lake.
What is Lake Victoria
100
If people have enough food calories but suffer from poor food quality due to the lack of one or more essential nutrients they are said to be this
What is Malnourished
100
This type of timber harvesting is an example of even-aged management and should be used only in small, irregularly shaped plots
What is clear cutting
200
The most common use of trees globally is this.
What is fuelwood
200
When the population levels of a species are reduced o an extent that they can no longer play its role in the community, this type of extinction is said to have occured.
What is ecological extinction
200
This type of fishing has a major destructive effect on the benthic community in the oceans of the world.
What is Trawl fishing
200
Describe TWO ecosystem services provided for humans by forests.
Carbon removed from atmosphere by trees
Forests provide oxygen
Food for humans
Wood and other products that come from trees
Habitat for many flora and fauna
Improve soil quality, air purification
200
This type of agriculture is practiced in the US
What is industrialized agriculture
300
Forests produce this gas needed for respiration and combustion.
What is oxygen
300
Roadless areas where humans are temporary visistors are called this.
What is wilderness
300
The overfishing of our oceans is a classic example of this.
What is tragedy of the commons
300
Identify TWO characteristics of forests that develop when fires are suppressed
300
The value of an organism, species or ecosystem based on its existence, regardless of whether it is useful to humans is called this value
What is intrinsic value
400
This activity decreases soil fertility, increases sedimentation of streams, causes premature extinction of species with a specialized niche and contributes to climate change by removing an important sink.
What is deforestation
400
The current mass extinction differs from the previous ones in this respect.
What is this one is anthropogenic (human caused)
400
An economic approach to reducing overfishing would be the elimination of this governmental support in the industry.
What is fishing subsidies
400
In sustainable rangeland management grazing would not be allowed in riparian zones in order to protect this valuable resource.
What is water (rivers and streams)
400
The FIFRA law address these
What is pesticides (federal insecticide, fungicide, and rodenticide act)
500
Managing forests for lumber requires this management strategy as compared to managing forests for fuelwood or pulpwood
What is a longer rotation time (let the trees grow longer)
500
Protected ribbons of land that connect isolated nature reserves are called this.
What is a habitat corridor
500
In the US over 1/2 of fish extinctions were caused by this.
What are invasive species
500
The most significant form of water pollution from agriculture is this
What is sediment from soil erosion
500
This type of agriculture uses draft animals and is practiced in the far east
What is intensive traditional agriculture