Benthic Macroinvertebrates in Freshwaters- Taxa Tolerance ...
The freshwaters of Glacier Bay
description
Transcript of The freshwaters of Glacier Bay
![Page 1: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/1.jpg)
Southeast Alaska NetworkInventory and Monitoring Program
The freshwaters of Glacier Bay
![Page 2: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/2.jpg)
NPS photo/B. Eichenlaub
![Page 3: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/3.jpg)
![Page 4: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/4.jpg)
![Page 5: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/5.jpg)
NPS photo
![Page 6: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/6.jpg)
Image courtesy of R. Edwards, US Forest Service
![Page 7: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/7.jpg)
Southeast Alaska NetworkInventory and Monitoring Program May 6, 2009
![Page 8: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/8.jpg)
Southeast Alaska NetworkInventory and Monitoring Program May 6, 2009
T. McCabe/USDA NRCS
P. Kaiser/USFWS
NPS Photo
Source: Wikipedia.com
![Page 9: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/9.jpg)
Southeast Alaska NetworkInventory and Monitoring Program May 6, 2009
![Page 10: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/10.jpg)
OR, WI, & FL Sherman Cr. SEAN
Total Mercury (ng/g)
0
50
100
150
200Mayflie
s
![Page 11: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/11.jpg)
Watershed age (years)
10 100 1000 10000
Total mercury (ng/g)
0
2
4
6
8
10
12
14
16
YoungMedium
Old
Juvenile coho salmon
watershed age = methylmercury
![Page 12: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/12.jpg)
May Jun Jul Aug Sep Oct Nov
Salmon
May Jun Jul Aug Sep Oct Nov
Taiya
GlacialGround
![Page 13: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/13.jpg)
May Jun Jul Aug Sep Oct Nov
Salmon
May Jun Jul Aug Sep Oct Nov
Taiya
GlacialGround
![Page 14: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/14.jpg)
J. ArmstrongOR, WI, & FL Sherman Cr. SEAN
Total Mercury (ng/g)
0
50
100
150
200
Watershed age (years)
10 100 1000 10000
Total mercury (ng/g)
0
2
4
6
8
10
12
14
16
YoungMedium Old
May Jun Jul Aug Sep Oct Nov
Salmon
![Page 15: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/15.jpg)
Southeast Alaska NetworkInventory and Monitoring Program
Program Delivery
http://science.nature.nps.gov/im/units/sean
![Page 16: The freshwaters of Glacier Bay](https://reader036.fdocuments.in/reader036/viewer/2022062811/568160e3550346895dd014b9/html5/thumbnails/16.jpg)
Southeast Alaska NetworkInventory and Monitoring Program May 6, 2009
[email protected] 364.1591
http://science.nature.nps.gov/im/units/sean