The most frequently sampled lake in our database is Green Lake 4 in the Silver Lakes Watershed at the Niwot Ridge Long-Term Ecological Research Site (NWTLTER) near Boulder, Colorado.
The following resources are included below.
To see lake description, photos, maps, taxa, samples counted, etc... visit the main Green Lake 4 page
Green Lake 4. Looking upvalley to the west/southwest (2006-06-29). Silver Lakes Watershed, Colorado. Photo: NWT-LTER Researcher
Protocol Manual
A document outlining monitoring methods and standard operating procedures (SOPs). Contents include:Sampling, Filtering, Analysis, and Calculations
Green Lakes Valley Limnological Protocol Manual (4 Mb PDF)
Morphotypes
A table created by Tisza Bell that cross references taxa in this database with lettered morphotypes.
| Taxa ID | Website Name | Mor | earlier identification by Dufford or Flanagan |
Taxa Group used by Bell |
|---|---|---|---|---|
| 1126 | Synedra sp. | N | Synedra famelica + Synedra sp. |
Synedra spp. |
| 1130 | Fragilaria sp. | AC | Fragilaria sp. | " |
| 1131 | Unknown bacilariophyte | AH | Bacillariophyte spp. | |
| 2016 | Chlorella minutissima | G | Chlorella minutissima | Chlorella spp. |
| 2017 | Chlorella sp. | I | Chlorella sp. | |
| 2019 | Chlorococcum sp. | T | Chlorococcum sp. | " |
| 2024 | Sphaerocystis sp. | CS | Coenochloris polycocca | " |
| 2046 | Monomastix sp. | MX | Monomastix sp. | " |
| 2064 | Raphidocelis microscopica | L | Raphidocelis microscopica | " |
| 2067 | Scenedesmus ecornis | J | Scenedesmus ecornis | " |
| 2084 | Ankyra sp. #1 | A | Ankyra judayi | Ankyra spp. |
| 2087 | Ankyra sp. #2 | M | Ankyra sp. | |
| 2085 | Chlamydomonas sp. #1 | E | Chlamydomonas sp. | Chlamydomonas spp. |
| 2086 | Chlamydomonas sp. #2 | D | Chlamydomonas sp. | |
| 2088 | unknown chlorophyte | UNK CHL | Chlorophyte spp. | " |
| 3003 | Chromulina sp. | AE | Chromulina sp. | " |
| 3007 | Chrysococcus sp. | R | Chrysococcus sp. | " |
| 3019 | Dinobryon sp. | K | Dinobryon sp. | " |
| 4013 | Plagioselmis sp. #2 | U | Plagioselmis sp. | Plagioselmis spp. |
| 4014 | Plagioselmis sp. #1 | AF | Plagioselmis nannoplanctica | |
| 5029 | Rhabdoderma sp. | B | Rhabdoderma sp. | " |
| 5035 | Cyanophyte sp. | C | Aphanocapsa delicatissima | Cyanophyte spp. |
| Aphanothece clathrata | ||||
| Aphanothece minutissima | ||||
| Cyanophyte spp. | ||||
| Dactyloccoccopsis sp. | ||||
| Oscillatoria limnetica | ||||
| Rhabdogoea scenedesmoides | ||||
| 7001 | Chrysochromulina sp. | AI | Chrysochromulina sp. | " |
| 8009 | Pyrrophyte sp. | AK | Pyrrophyte sp. | " |
| 9001 | Ciliata | AJ | Unknown heterotroph |
Links, including Environmental Data
Citations
Bell, T.A. (2009). A shift in diatom composition due to increased weathering and nitrogen deposition. Thesis (M.S.)--University of Colorado, 69 p.. | Abstract
Flanagan, C.M. (2007). Understanding alpine watersheds in the Colorado Front Range: Phytoplankton community analysis and watershed education. Thesis (M.S.)--University of Colorado, 117 p.. | Abstract
Gardner, E. M., McKnight, D. M., Lewis, W. M., and Miller, M. P (2008). Effects of Nutrient Enrichment on Phytoplankton in an Alpine Lake, Colorado, USA. Arctic, Antarctic and Alpine Research, 40(1): 55-64.. DOI: 10.1657/1523-0430(07-002)[GARDNER]2.0.CO;2 | Abstract
Gardner, E.M., (2003). Effects of nutrient enrichment on phytoplankton in an alpine lake, Green Lakes Valley, Colorado, U.S.A.. Thesis (M.A.)--University of Colorado, 52 p..
Kolesar, S., McKnight, D., & Waters, S. (2002). Late fall phytoplankton dynamics in three lakes, Rocky Mountain National Park. Hydrobiologia, Volume 472, 249-263. DOI: 10.1023/A:1016342007124 | Abstract
McKnight, D. M., Brenner, M., Smith, R. L. & Baron, J., (1986). Seasonal changes in phytoplankton populations and related chemical and physical characteristics in lakes in Loch Vale, RMNP, CO. U.S. Geological Survey Water-Resources Investigations Report, 86–4101. 64 pp..
McKnight, D. M., Miller, C., Smith, R. L. , Baron, J. A., & Spaulding, S. A. (1988). Phytoplankton population in lakes in Loch Vale, Rocky Mountain National Park, Colorado: Sensitivity to acidic conditions and nitrate enrichment. U.S. Geological Survey Water-Resources Investigations Report, 88–4115. 102 pp.. | Abstract
Waters, S., McKnight, D., Wolfe, A., Vinebrooke, R., Sundermann, S., O'Brien, M., Williams, M., Roche, A. (0). Algal and Biochemical Responses to Environmental Change in an Alpine Lake. to be submitted. | Abstract
Waters, S.B., (1999). Responses of algal communities to environmental change in an alpine lake, Green Lakes Valley, Colorado.. Thesis (M.S.)--University of Colorado, 132 p..
