ENVIRONMENTAL STUDIES 21G AQUATIC

Riparian vegetation does not include ___?

• shrubs

• cattails

• rushes

• none of the above

Which of the following is considered benefits of riparian zones?

• protection of water quality and supply

• protection from erosion and flood

• protection of animals

• all of the above

It is the ecosystem at the interface between land and a water body.   

• Riparian zone

• cattails

• upland

• flood plain

Which of the following statement shows a healthy riparian zone?

• presence of native vegetation

• variety of vegetation

• both A and B

• none of the above

Which of the following human activity impacts the stream?

• dams and water storage

• channelizing stream

• development and mobilization of sediment

• all of the above

Lake provides wide range of benefits that include

• provides avenues for transportation

• recreational opportunity

• both A and B

• none of the above

Which of the following explains the importance of riparian zone?

• Serves as transitional areas

• Support a wide diversity of plant and animal life

• provide important services upland and aquatic ecosystem

• all of the above

They collect lake sediments using specialized coring devices to study physical, chemical and biological history of the lake. 

• Paleontologist

• Paleolimnologist

• Geologist

• none of the above

Chemical and biological condition of a lake depends on many factors such as,

• size and shape of the lake basin

• regional climate

• both A and B

• none of the above

Which of the following statement is not true about lake stratification? 

• Water is most dense at 4⁰C.

• Water at the bottom of the lake is below 30⁰C.

• Water become less dense at temperature.

• none of the above