Table 2.
Water | Sediment | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Site | pH | Alkalinity (meq L−1) | DIC (mm) | Free CO2 (mm) | NO3-N (mg L−1) | NH4-N (mg L−1 | Tot N (mg L−1 | PO43-P (mg L−1 | Tot P (mg L−1 | Org. Matter (% of d. wt) | Tot. N (g kg−1 d. wt) | Tot. P (g kg−1 d. wt) | Lotic/lentic | Species collected |
Lk. Hamilton | 7·47 | 0·400 | 0·431 | 0·032 | 0·001 | 0·004 | 0·556 | 0·006 | 0·019 | 10·48 | 2·8 | 0·36 | Lentic | Ege |
Lk. Nyakakela | 7·27 | 0·450 | 0·506 | 0·056 | 0·001 | 0·047 | 0·380 | 0·001 | 0·019 | 26·37 | 16·3 | 1·10 | Lentic | Ege |
Lk. Otomangakau | 7·64 | 0·564 | 0·592 | 0·030 | 0·008 | 0·015 | 0·096 | 0·011 | 0·022 | 24·55 | 5·3 | 1·40 | Lentic | Elo, Lag |
Lk. Parkinsons | 7·02 | 0·714 | 0·871 | 0·157 | 0·027 | 0·016 | 0·565 | 0·009 | 0·022 | 31·66 | 15·9 | 3·60 | Lentic | Ege |
Lk. Puketi | 7·68 | 0·700 | 0·732 | 0·034 | 0·003 | 0·003 | 0·467 | 0·005 | 0·011 | 48·17 | 17·0 | 1·20 | Lentic | Ege |
Lk. Rotoaira | 7·88 | 0·774 | 0·794 | 0·023 | 0·001 | 0·004 | 0·071 | 0·004 | 0·009 | 1·59 | <0·2 | 0·15 | Lentic | Lag |
Lk. Rotoiti | 7·12 | 0·674 | 0·791 | 0·118 | 0·001 | 0·014 | 0·706 | 0·019 | 0·047 | 15·07 | 5·7 | 1·50 | Lentic | Ege |
Lk. Rotoma | 9·37 | 0·848 | 0·751 | 0·001 | 0·001 | 0·009 | 0·310 | 0·004 | 0·023 | 8·90 | 1·8 | 0·44 | Lentic | Lag |
Lk. Swan | 7·21 | 0·440 | 0·503 | 0·063 | 0·011 | 0·019 | 0·493 | 0·001 | 0·010 | 4·65 | 0·5 | 0·09 | Lentic | Ege |
Taupo outlet | 8·60 | 0·728 | 0·715 | 0·004 | 0·001 | 0·003 | 0·078 | 0·002 | 0·007 | 10·45 | 3·8 | 0·43 | Lotic | Ege, Lag |
Lk. Taupo Sth | 7·52 | 0·850 | 0·907 | 0·059 | 0·004 | 0·021 | 0·121 | 0·011 | 0·015 | 8·10 | 2·6 | 0·44 | Lentic | Elo, Lag |
Lk. Weavers | 8·79 | 1·062 | 1·029 | 0·004 | 0·001 | 0·004 | 0·297 | 0·002 | 0·010 | 16·96 | 4·6 | 0·37 | Lentic | Ege |
Lk. Whatihua | 8·79 | 1·314 | 1·273 | 0·005 | 0·002 | 0·018 | 0·552 | 0·004 | 0·012 | 29·57 | 13·7 | 1·50 | Lentic | Ege |
These populations were not grown in common garden. Ege, Egeria densa; Elo, Elodea canadensis; Lag, Lagarosiphon major; DIC, dissolved inorganic carbon.