Table 2.

Data and monitoring characteristics of lakes contributing to early warning signal assessments

Lake	Sampling method	Original sampling frequency	Sampling depth (m)	Period	Monthly time series length post data processing	Yearly time series length post data processing	Number of genera	Regime shift identified in the literature
Lake Kasumigaura	Tube sampler and vertical net haul	Monthly	0–5	Aug 1981–Dec 2018	342	30	33	✔ 57
Lake Kinneret	Tube sampler, mix sampling and profile sampling	Weekly	0–40	Jan 1975–Dec 2015	289	25	31	✔ 33
Loch Leven	Tube sampler and vertical net haul	Weekly	0–5	Feb 1992–Dec 2006	152	12	6	×
Lake Mendota	Tube sampler and vertical net haul	Monthly	0–20	May 1995–Nov 2018	168	15	37	✔ 58
Lake Monona	Tube sampler and vertical net haul	Monthly	0–20	Apr 1999–Dec 2017	130	12	35	×
Lower Zurich	Tube sampler and vertical net haul	Monthly	0–135	Jan 1977–Dec 2009	332	28	40	×
Upper Zurich	Tube sampler and vertical net haul	Monthly	0–36	Jan 1980–Nov 2000	209	17	62	×
Lake Washington	Tube sampler and vertical net haul	Weekly	0–20	Jan 1962–Dec 1994	97	9	12	✔ 52
Windermere	Tube sampler and vertical net haul	Bi-weekly	0–40	Jan 1979–Dec 2002	244	20	16	×