Table 1.

Site location, collection date and mat characteristics.

Site ID	Date	Latitude	Longitude	Valley	Location	Mat characteristics
1	1/11/2014	−77.6598	163.1160	Taylor	Spaulding Pond	Cyanobacteria
2	1/13/2014	−77.6518	163.1019	Taylor	Upper Delta Stream	Cyanobacteria
3	1/14/2014	−77.6613	163.0900	Taylor	Base of Howard Glacier	Cyanobacteria
4	1/15/2014	−77.6440	162.7568	Taylor	Edge of Lake Chad	No mat
5	1/17/2014	−77.3376	161.6291	Victoria	Downstream of Victoria Upper Lake	No mat
6	1/17/2014	−77.3280	161.6118	Victoria	Victoria Upper Lake	Cyanobacteria
7	1/18/2014	−77.6579	163.0963	Taylor	Howard Glacier flood plain	Cyanobacteria
8	1/20/2014	−77.6442	163.1744	Taylor	Lower Delta Stream	Cyanobacteria
9	1/21/2014	−77.6248	163.0655	Taylor	Green Creek	Cyanobacteria
10	1/22/2014	−77.5844	163.5916	Taylor	Explorer's Cove	Cyanobacteria/moss
11	1/23/2014	−77.6423	163.2060	Taylor	Crescent Stream	Cyanobacteria
12	1/24/2014	−77.5968	163.2738	Taylor	Base of Commonwealth Glacier	Cyanobacteria
13	1/12/2015	−78.0254	163.8333	Garwood	Base of Joyce Glacier	No mat
14	1/17/2015	−78.0233	163.9175	Garwood	Southern Hillside	Cyanobacteria
15	1/17/2015	−78.0231	163.9156	Garwood	Southern Hillside	Cyanobacteria
16	1/18/2015	−78.0230	163.9019	Garwood	South side of Garwood Lake	Cyanobacteria
17	1/19/2015	−78.0270	164.1370	Garwood	Garwood River at Mid Valley	No mat
18	1/20/2015	−77.6610	163.0918	Taylor	Base of Howard Glacier	Cyanobacteria
19	1/20/2015	−77.6572	163.1316	Taylor	Delta Stream Tributary	Cyanobacteria
20	1/21/2015	−78.0458	163.6748	Marshall	Nostoc Flats	Cyanobacteria
21	1/21/2015	−78.0936	163.8319	Miers	North side of Lake Miers	Cyanobacteria
22	1/22/2015	−78.0242	163.8882	Garwood	Southern Hillside control site	No mat
23	1/26/2015	−78.0289	164.2506	Garwood	Pond at Lower Garwood	Cyanobacteria