Table 1.

Description of lakes used in this study

ID	Sample location	Country	Date	Location	Sample depth	T (°C)	Size fraction (μm)	Habitat type	Tot P
DamariscottaSP	Lake Damariscotta	USA	20090528	44°10′n; 69°29′w	0.5–1	12.1	> 0.2	Mesotrophic lake	10
DamariscottaSU	Lake Damariscotta	USA	20090819	44°10′n; 69°29′w	0.5–1	12.1	> 0.2	Mesotrophic lake	10
Ekoln	Lake Ekoln	Sweden	20070731	59°45′n; 17°36′e	0–2	19.0	0.2–100	Eutrophic lake	50
Erken	Lake Erken	Sweden	20070620	59°25′n; 18°15′e	0–2	18.7	0.2–100	Mesotrophic lake	33
Lanier	Lake Lanier	USA	20090827	34°12′n; 83°59′w	0–5	28.5	0.22–1.6	Mesotrophic lake	30
MendotaSP	Lake Mendota	USA	20090512	43° 6′n; 89°24′w	0.5–1	12.68	> 0.2	Eutrophic lake	118
MendotaSU	Lake Mendota	USA	20090823	43° 6′n; 89°24′w	0.5–1	23.07	> 0.2	Eutrophic lake	100
Spark	Sparkling Lake	USA	20090528	46° 0′n; 89°42′w	0.5–1	13.97	> 0.2	Oligotrophic lake	0.3
Trout	Trout Bog Lake	USA	20090528	46° 2′n; 89°41′w	0.5–1	20.71	> 0.2	Dysotrophic lake	7.8
Vattern	Lake Vättern	Sweden	20070717	58°24′n; 14°36′e	0–2	17.0	0.2–100	Oligotrophic lake	3
Yellowstone1	Yellowstone Lake	USA	20080916	44°28′n; 110°22′w	0–2	46	0.1–0.8	Eutrophic lake	80
Yellowstone2	Yellowstone Lake	USA	20080915	44°28′n; 110°22′w	0–2	12.3	0.1–0.8	Eutrophic lake	80

Tot P, total phosphorus concentration (μg l⁻¹); T, temperature.