Definitions Lotic Systems Lentic Systems Water Chemistry.

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Presentation transcript:

Definitions

Lotic Systems

Lentic Systems

Water Chemistry

Fish

Stream Quality

$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500

What is the seasonal mixing of water called?

Overturn

Middle layer of lake also called thermocline.

Metalimnion

Study of fresh standing-water ecosystems.

Limnology

Lower lake, deep colder layer

Hypolimnion or profundal

Which word is used to describe nutrient rich ecosystems?

Eutrophic

What type of water makes a lotic system?

Running H 2 O

What do you call a shallow zone where light reaches bottom.

Littoral Zone

Name one of the two things that decide the characteristics of streams

Velocity & Current

What type of organism is nekton?

Free Swimming

What zone is made up of the sediment on the bottom of lakes and ponds?

Benthic

What type of water makes a lentic system?

Standing H 2 O

Which part of a lake makes up the epilimnion?

Upper part

What two mammals form lakes?

Humans Beavers

Name two ways lentic systems are formed.

Glaciers Blocked streams

How were most lentic systems formed?

Receeding Glaciers

Name two ways water gains D.O.

Photosynthesis Water falls

CO 2 in H 2 O is usually the same composition as that which is in the…

Air/ Atmosphere

What kind of stone causes pH to increase?

Limestone

What is the range for pH?

1-14

What does B.O.D. stand for?

Biochemical Oxygen Demand

What disease does a fish have if it has bubbles on its skin?

Gas Bubble Disease

What covers a fishes gill?

Operculum

What class are fish in?

Osteichthyes

What sensory organ runs down the side of a fish?

Lateral Line

Name three fish you would find in a small stream ecosystem.

Small Mouth Bass, Bluegill, Green Sunfish, Longear Sunfish, Darters, Stonerollers, Striped shiner, Silverjaw Minnow, ect…..

What are bends in streams called?

Meanders

What category would concrete added to bottom fall in?

Channel Alteration

What category do things hanging over streams fall into?

Area Cover

What category asks what is on the bottom of a stream?

Substrate

What category asks if the channel is filled with water and how fast the water moves?

Channel Flow