Metrics
Sub-sample
Fish
Watershed
Potpourri
100

These macroinvertebrates are the most sensitive organisms and act like "the canary in the coal mine." (give both Order and Common Name)

What are the Ephemeroptera, Plecoptera, Tricoptera, and mayflies, stoneflies, and caddisflies?

100

The reason we flip a coin and use computer-generated numbers.

What is to eliminate bias?

100

Catfish "whiskers."

What are barbels?
100

This is the point to which all waterdrop runoff is running.

What is the outlet?

100

Filterers, gatherers, scrapers, shredders, predators, piercers, parasites, etc.  

What are functional feeding groups?

200

This is the un-subdivided taxonomy of any organism.

What is the domain, kingdom, phylum, class, order, family, genus, and species?
200

100-150

What is the range of the number of macroinvertebrates to be picked in one sub-sampling?

200

A caudal fin is located in this area on a fish.

What is the tail fin?  

200

An area of land that drains all the streams and rainfall to a common point.

What is a watershed?

200

Living or dead, animal or plant material, that may negatively influence the environment.

What is organic pollution?

300

This is the unit of density.

What is density per one minute of effort?

300

To compare Mustang Creek with other creeks in Oklahoma and to compare Mustang Creek with itself in the summer and winter.

Why do we perform a Macroinvertebrate Collection and a Macroinvertebrate Sub-Sampling in the summer and winter on Mustang Creek?

300

This is how fast a fish with a plate-like body swims in comparison to a fish with a torpedo-like body.

What is more slowly?

300

This is what the elevation lines on a topographic maps are called.

What are contour lines?

300
The best creek in a region or a composite of the best attributes to creeks in a region.

What is a reference creek?

400

This is what the Shannon-Weaver Diversity Index is based on.

What are numbers?

400

The entomologist in Texas reports the number and taxonomy of macroinvertebrates to this level.

What is the Genus level?

400

A fish with a small mouth is likely to be an herbivore for this reason.

What is "form follows function?"

400

Parking lots, streets, housing, sidewalks, driveways, playgrounds, basketball and tennis courts, pools etc.

What are impermeable surfaces in a watershed?

400

To compare apples and oranges.

What is the function of a biotic index?

500

This metric is based on an arbitrary number assigned to the macroinvertebrates in accordance with a peer-reviewed journal article from the 1980's.

What is the Hilsenhoff Biotic Index?

500

These appear as benthic worms usually no bigger than eyelashes and are known by their Family name.

What are chironomids?

500

Some true minnows and some shiners.

What fish should be counted for the last Fish Metric "Proportion of insectivorous cyprinids?"

500

Increasing elevations and decreasing elevations on a topographic map, respectively.

What are ridges and valleys?

500

Citing chemical monitoring results, data from macroinvertebrate or fish collections, specific events or areas in a watershed instead of classifying a creek as "healthy" or not.

What is supporting with evidence?