Images
Images are not scaled. An individual that looks bigger than its neighbors might actually be smaller. See approximate size via the Observations section below. All images were made to fit within an area of 360px high and 200px wide.
Observations
| Author: | Colleen Flanagan 2007 |
|---|---|
| Biovolume/cell | 37.68 |
| Length: | 7-9 µm |
| Width: | 2-4 µm |
Description:
Cells are long and slender and have a tip that is not forked.
Notes:
Green Lakes: Morphotype M, this may be Ankyra judayi
Original Type Description
| Author: | Fott 1957 |
|---|---|
| Biovolume/cell | |
| Length: | |
| Width: |
Original Description:
Secondary Description
Author: Prescott, G. W., 1979
Secondary Description:
In this genus, somewhat curved, fusiform cells have a long, straight spine at one pole and a narrowed extension 'posteriorly' which is forked at the tip; 1 parietal chloroplast and pyrenoid.
Index Nominum Algarum (INA)*
*The INA is a bibliographic reference "card file" for algal taxonomy, containing nearly 200,000 names of algae (in the broad sense).
Taxonomy
Prescott, G. W. (1979). How to know the freshwater algae, 3rd Edition Dubuque: The Pictured Key Nature Series
Count Data
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.
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
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
| Lake | # samples | Basin | Region |
|---|---|---|---|
| Green Lake 4 | 80 | Green Lakes Valley | Silver Lakes Watershed |
# of samples = 80 with this taxon.
# of samples total = 187 with
or without this taxon.
Positions in lake
- lake center
Collection Types
| Samp ID |
Lake Name |
Coll. Date |
Sample Depth (m) |
Position in Lake |
Region Name* |
Collection Type |
Citation (counts) |
Sample Notes |
|---|---|---|---|---|---|---|---|---|
| 155 | Green Lake 4 | 2000-07-06 | 0.0 | lake center | SLW | water | citation short | |
| 156 | Green Lake 4 | 2000-07-06 | 3.0 | lake center | SLW | water | citation short | |
| 157 | Green Lake 4 | 2000-07-06 | 9.0 | lake center | SLW | water | citation short | |
| 158 | Green Lake 4 | 2000-07-13 | 0.0 | lake center | SLW | water | citation short | |
| 160 | Green Lake 4 | 2000-07-13 | 9.0 | lake center | SLW | water | citation short | |
| 161 | Green Lake 4 | 2000-07-20 | 0.0 | lake center | SLW | water | citation short | |
| 162 | Green Lake 4 | 2000-07-20 | 3.0 | lake center | SLW | water | citation short | |
| 167 | Green Lake 4 | 2000-08-03 | 0.0 | lake center | SLW | water | citation short | |
| 169 | Green Lake 4 | 2000-08-03 | 9.0 | lake center | SLW | water | citation short | |
| 173 | Green Lake 4 | 2001-07-06 | 0.0 | lake center | SLW | water | citation short | |
| 174 | Green Lake 4 | 2001-07-06 | 3.0 | lake center | SLW | water | citation short | |
| 175 | Green Lake 4 | 2001-07-06 | 9.0 | lake center | SLW | water | citation short | |
| 177 | Green Lake 4 | 2001-07-12 | 3.0 | lake center | SLW | water | citation short | |
| 179 | Green Lake 4 | 2001-07-19 | 0.0 | lake center | SLW | water | citation short | |
| 180 | Green Lake 4 | 2001-07-19 | 3.0 | lake center | SLW | water | citation short | |
| 182 | Green Lake 4 | 2001-07-26 | 0.0 | lake center | SLW | water | citation short | |
| 183 | Green Lake 4 | 2001-07-26 | 3.0 | lake center | SLW | water | citation short | |
| 187 | Green Lake 4 | 2002-06-25 | 0.0 | lake center | SLW | water | citation short | |
| 189 | Green Lake 4 | 2002-06-25 | 9.0 | lake center | SLW | water | citation short | |
| 190 | Green Lake 4 | 2002-07-02 | 0.0 | lake center | SLW | water | citation short | |
| 191 | Green Lake 4 | 2002-07-02 | 3.0 | lake center | SLW | water | citation short | |
| 193 | Green Lake 4 | 2002-07-09 | 0.0 | lake center | SLW | water | citation short | |
| 194 | Green Lake 4 | 2002-07-09 | 3.0 | lake center | SLW | water | citation short | |
| 195 | Green Lake 4 | 2002-07-09 | 9.0 | lake center | SLW | water | citation short | |
| 120 | Green Lake 4 | 2002-07-10 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 121 | Green Lake 4 | 2002-07-15 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 122 | Green Lake 4 | 2002-07-15 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 124 | Green Lake 4 | 2002-07-15 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 125 | Green Lake 4 | 2002-07-15 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 126 | Green Lake 4 | 2002-07-15 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 127 | Green Lake 4 | 2002-07-15 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 128 | Green Lake 4 | 2002-07-15 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 196 | Green Lake 4 | 2002-07-16 | 0.0 | lake center | SLW | water | citation short | |
| 197 | Green Lake 4 | 2002-07-16 | 3.0 | lake center | SLW | water | citation short | |
| 198 | Green Lake 4 | 2002-07-16 | 9.0 | lake center | SLW | water | citation short | |
| 129 | Green Lake 4 | 2002-07-17 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 130 | Green Lake 4 | 2002-07-22 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 199 | Green Lake 4 | 2002-07-23 | 0.0 | lake center | SLW | water | citation short | |
| 200 | Green Lake 4 | 2002-07-23 | 3.0 | lake center | SLW | water | citation short | |
| 201 | Green Lake 4 | 2002-07-23 | 9.0 | lake center | SLW | water | citation short | |
| 202 | Green Lake 4 | 2002-07-30 | 0.0 | lake center | SLW | water | citation short | |
| 203 | Green Lake 4 | 2002-07-30 | 3.0 | lake center | SLW | water | citation short | |
| 150 | Green Lake 4 | 2002-08-05 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 151 | Green Lake 4 | 2002-08-05 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 154 | Green Lake 4 | 2002-08-05 | 2.0 | lake center | SLW | water: n.e. | citation short | Notes |
| 333 | Green Lake 4 | 2003-07-08 | 9.0 | lake center | SLW | water | citation short | |
| 358 | Green Lake 4 | 2004-08-03 | 3.0 | lake center | SLW | water | citation short | |
| 359 | Green Lake 4 | 2004-08-03 | 9.0 | lake center | SLW | water | citation short | |
| 372 | Green Lake 4 | 2005-08-02 | 0.0 | lake center | SLW | water | citation short | |
| 379 | Green Lake 4 | 2005-08-16 | 3.0 | lake center | SLW | water | citation short | |
| 383 | Green Lake 4 | 2005-09-13 | 9.0 | lake center | SLW | water | citation short | |
| 384 | Green Lake 4 | 2006-07-06 | 0.0 | lake center | SLW | water | citation short | |
| 385 | Green Lake 4 | 2006-07-06 | 3.0 | lake center | SLW | water | citation short | |
| 386 | Green Lake 4 | 2006-07-06 | 9.0 | lake center | SLW | water | citation short | |
| 387 | Green Lake 4 | 2006-07-13 | 0.0 | lake center | SLW | water | citation short | |
| 389 | Green Lake 4 | 2006-07-13 | 9.0 | lake center | SLW | water | citation short | |
| 390 | Green Lake 4 | 2006-07-20 | 0.0 | lake center | SLW | water | citation short | |
| 391 | Green Lake 4 | 2006-07-27 | 0.0 | lake center | SLW | water | citation short | |
| 392 | Green Lake 4 | 2006-07-27 | 3.0 | lake center | SLW | water | citation short | |
| 393 | Green Lake 4 | 2006-07-27 | 9.0 | lake center | SLW | water | citation short | |
| 394 | Green Lake 4 | 2006-08-10 | 0.0 | lake center | SLW | water | citation short | |
| 395 | Green Lake 4 | 2006-08-10 | 3.0 | lake center | SLW | water | citation short | |
| 396 | Green Lake 4 | 2006-08-10 | 9.0 | lake center | SLW | water | citation short | |
| 397 | Green Lake 4 | 2007-07-05 | 0.0 | lake center | SLW | water | citation short | |
| 398 | Green Lake 4 | 2007-07-05 | 3.0 | lake center | SLW | water | citation short | |
| 399 | Green Lake 4 | 2007-07-05 | 9.0 | lake center | SLW | water | citation short | |
| 400 | Green Lake 4 | 2007-07-12 | 0.0 | lake center | SLW | water | citation short | |
| 401 | Green Lake 4 | 2007-07-12 | 3.0 | lake center | SLW | water | citation short | |
| 402 | Green Lake 4 | 2007-07-12 | 9.0 | lake center | SLW | water | citation short | |
| 403 | Green Lake 4 | 2007-07-19 | 0.0 | lake center | SLW | water | citation short | |
| 404 | Green Lake 4 | 2007-07-19 | 3.0 | lake center | SLW | water | citation short | |
| 405 | Green Lake 4 | 2007-07-19 | 9.0 | lake center | SLW | water | citation short | |
| 406 | Green Lake 4 | 2007-07-26 | 0.0 | lake center | SLW | water | citation short | |
| 407 | Green Lake 4 | 2007-07-26 | 3.0 | lake center | SLW | water | citation short | |
| 408 | Green Lake 4 | 2007-07-26 | 9.0 | lake center | SLW | water | citation short | |
| 409 | Green Lake 4 | 2007-08-02 | 0.0 | lake center | SLW | water | citation short | |
| 411 | Green Lake 4 | 2007-08-02 | 9.0 | lake center | SLW | water | citation short | |
| 413 | Green Lake 4 | 2007-08-09 | 3.0 | lake center | SLW | water | citation short | |
| 414 | Green Lake 4 | 2007-08-09 | 9.0 | lake center | SLW | water | citation short | |
| 416 | Green Lake 4 | 2007-08-16 | 9.0 | lake center | SLW | water | citation short |
Regions
SLW Silver Lakes Watershed, CO;
