Table 1.
Locality information and sample sizes for the pelagic and littoral subpopulations inhabiting the 12 study lakes. Numbers in parentheses beside sample sizes (n) are the numbers of individuals in the subsample used for phenotypic analyses (see Methods).
| Lake (Abbv.) | Longitude | Latitude | Region | Drainage | n pelagic | n littoral |
|---|---|---|---|---|---|---|
| Ashby (AS) | 45°05′N | 77°21′W | Ontario | Ottawa | 48(19) | 48(21) |
| Mayo (MA) | 45°02′N | 77°35′W | Ontario | Ottawa | 48(20) | 48(18) |
| Salmon Trout (ST) | 45°11′N | 77°49′W | Ontario | Ottawa | 48(20) | 48(23) |
| Looncall (LC) | 44°45′N | 78°11′W | Ontario | Lake Ontario | 48(19) | 48(21) |
| Monck (MO) | 45°00′N | 78°07′W | Ontario | Lake Ontario | 48(20) | 34(20) |
| Shadow (SH) | 44°43′N | 78°48′W | Ontario | Lake Ontario | 48(20) | 48(20) |
| Rollins (RL) | 44°38′N | 74°23′W | New York | St. Lawrence | 47(20) | 47(21) |
| Round (RU) | 44°05′N | 74°34′W | New York | St. Lawrence | 48(21) | 47(20) |
| Rondaxe (RA) | 43°45′N | 74°54′W | New York | St. Lawrence | 46(20) | 48(22) |
| Paradox (PA) | 43°30′N | 73°41′W | New York | Hudson | 48(20) | 48(20) |
| Harris (HA) | 43°58′N | 74°07′W | New York | Hudson | 45(22) | 48(20) |
| Lewey (LE) | 43°38′N | 74°23′W | New York | Hudson | 48(20) | 48(21) |