Group III Pollution-Tolerant Benthic Macroinvertebrates.
-
Upload
geraldine-anderson -
Category
Documents
-
view
248 -
download
0
Transcript of Group III Pollution-Tolerant Benthic Macroinvertebrates.
![Page 1: Group III Pollution-Tolerant Benthic Macroinvertebrates.](https://reader035.fdocuments.in/reader035/viewer/2022081417/56649ed35503460f94be375b/html5/thumbnails/1.jpg)
Group IIIGroup IIIPollution-TolerantPollution-Tolerant
Benthic Benthic MacroinvertebratesMacroinvertebrates
![Page 2: Group III Pollution-Tolerant Benthic Macroinvertebrates.](https://reader035.fdocuments.in/reader035/viewer/2022081417/56649ed35503460f94be375b/html5/thumbnails/2.jpg)
Aquatic WormsAquatic Worms
Aquatic Aquatic earthwormsearthworms
Horsehair wormsHorsehair worms
MDC photos
![Page 3: Group III Pollution-Tolerant Benthic Macroinvertebrates.](https://reader035.fdocuments.in/reader035/viewer/2022081417/56649ed35503460f94be375b/html5/thumbnails/3.jpg)
Midge Fly LarvaeMidge Fly Larvae
No jointed legsNo jointed legs
Prolegs behind Prolegs behind head and end of head and end of abdomenabdomen
Very small Very small (<(<11//44”)”)
MDC photo
NABS photo
![Page 4: Group III Pollution-Tolerant Benthic Macroinvertebrates.](https://reader035.fdocuments.in/reader035/viewer/2022081417/56649ed35503460f94be375b/html5/thumbnails/4.jpg)
Black Fly LarvaeBlack Fly Larvae
Swollen abdomen Swollen abdomen (“fat butt”) for (“fat butt”) for attachmentattachment
Fan-like Fan-like projections on projections on head for filteringhead for filtering
Very smallVery small
MDC photo
Photo courtesy of J. Abbott – U. of Texas
![Page 5: Group III Pollution-Tolerant Benthic Macroinvertebrates.](https://reader035.fdocuments.in/reader035/viewer/2022081417/56649ed35503460f94be375b/html5/thumbnails/5.jpg)
Black Fly AdultBlack Fly Adult
NABS photo
![Page 6: Group III Pollution-Tolerant Benthic Macroinvertebrates.](https://reader035.fdocuments.in/reader035/viewer/2022081417/56649ed35503460f94be375b/html5/thumbnails/6.jpg)
LeechesLeeches
MuscularMuscular
Suction disks on Suction disks on both head and both head and end of abdomenend of abdomen
NABS photos
![Page 7: Group III Pollution-Tolerant Benthic Macroinvertebrates.](https://reader035.fdocuments.in/reader035/viewer/2022081417/56649ed35503460f94be375b/html5/thumbnails/7.jpg)
Pouch SnailsPouch Snails
When holding When holding the snail with the snail with the point up, the the point up, the shell opens to shell opens to the the leftleft
MDC photo
![Page 8: Group III Pollution-Tolerant Benthic Macroinvertebrates.](https://reader035.fdocuments.in/reader035/viewer/2022081417/56649ed35503460f94be375b/html5/thumbnails/8.jpg)
Other SnailsOther Snails
Has no spiral Has no spiral pointpoint
Flat/pond snailsFlat/pond snails
![Page 9: Group III Pollution-Tolerant Benthic Macroinvertebrates.](https://reader035.fdocuments.in/reader035/viewer/2022081417/56649ed35503460f94be375b/html5/thumbnails/9.jpg)
Thank you!Thank you!
"I fish because I love to, because I live the environs where trout are found, which
are invariably beautiful.” - Robert Travers