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Macroinvertebrates Virtual Lab
Avery Sorie
Created on October 8, 2023
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Transcript
Ahoy matey! You have been hired as the token water quality specialist for this local fishing town. You will sample the water quality here over the span of four decades to determine if the water quality is increasing or decreasing over time. After collecting your four decades worth of samples, you will present an infographic to the town hall and answer questions to discuss your findings with the villagers.
This activity simulates the collection of macroinvertebrates in waterways. To collect the macroinvertebrates, click the icon on each page. Macroinvertebrates can be used to perform a water quality analysis using the biotic index. Below is a key that identifies each macroinvertebrate as pollution intolerant, somewhat intolerant, somewhat tolerant, or pollution tolerant. The following pages represent a river ecosystem over four decades. After each sample, record the water quality in the provided table.
Group 1: Pollution Intolerant
Group 2: Somewhat Pollution Intolerant
Group 3: Somewhat Pollution Tolerant
Group 4: Pollution Tolerant
Date: May 15, 1656
The fishing village is still small, with only a few people settling here per year. There are few boats that come through the canal, save for some fishermans' canoes.
+ info
- Drag a check next to each macroinvertebrate group present in your sample.
- Calculate the group scores using the multipliers provided below.
- Total all of the group scores to find your total score for the water quality of your stream.
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Date: May 17, 1667
The village has grown significantly in the past decade. Many homes and crop plots have been established, and larger boats come through the canal more often.
+ info
- Drag a check next to each macroinvertebrate group present in your sample.
- Calculate the group scores using the multipliers provided below.
- Total all of the group scores to find your total score for the water quality of your stream.
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Date: May 20, 1674
Many smaller communities within the town have taken up farming on shared plots during the winter to compensate for smaller fishing loads. The town has opened the canal to passing mercenaries and travellers to trade goods.
+ info
- Drag a check next to each macroinvertebrate group present in your sample.
- Calculate the group scores using the multipliers provided below.
- Total all of the group scores to find your total score for the water quality of your stream.
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Date: May 17, 1686
The fishing village now thrives with a swelling population of farmers and fisherman. The town has become wealthy by trading and selling crops year round and fish in the summer. Merchants and sailors use the canal often for travel through the town.
+ info
- Drag a check next to each macroinvertebrate group present in your sample.
- Calculate the group scores using the multipliers provided below.
- Total all of the group scores to find your total score for the water quality of your stream.
12
13
14
17
18
16
10
11
15
20
19