Nitzschia inconspicua

Grunow 1862      Category: Nitzschioid
BASIONYM: Nitzschia inconspicua Grunow 1862
SYNONYM(S): Nitzschia frustulum var. inconspicua (Grunow) Grunow 1882 | Homoeocladia inconspicua (Grunow) Kuntze 1898 

Nitzschia fonticoloides

 

Nitzschia innominata

LM scalebar = 10 µm = 80 pixels.



Observations

Contributor: Pat Kociolek - September 2011
Length Range: 3-17 µm
Width Range: 2.0-3.0 µm
Striae in 10 µm: 20-25

Description

Larger valves are linear, while smaller valves are elliptical. Apices are rounded, but are not protracted or differentiated from the rest of the valve. Fibulae are large, with the middle fibula larger and more distinct than the others. Fibulae number 8-10 in 10 µm. Striae are parallel at the center of the valve, arched near the poles (evident especially in smaller cells).



Original Description

Basionym: Nitzschia inconspicua
Author: Grunow 1862
Length Range: µm
Striae in 10 µm:

Original Description

Original Images


Cite This Page:
Kociolek, P. (2011). Nitzschia inconspicua. In Diatoms of the United States. Retrieved December 09, 2016, from http://westerndiatoms.colorado.edu/taxa/species/nitzschia_inconspicua

Species: Nitzschia inconspicua

Contributor: Pat Kociolek

Reviewer: Marina Potapova

Citations

Grunow, A. (1862). Die österreichischen Diatomaceen nebst Anschluss einiger neuen Arten von andern Lokalitäten und einer kritischen Uebersicht der bisher bekannten Gattungen und Arten. Erste Folge. Epithemieae, Meridioneae, Diatomeae, Entopyleae, Surirelleae, Amphipleureae. Zweite Folge. Familie Nitzschieae. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 12: 368, Pl. 7, fig. 8.

Kelly, M.G., Trobajo, R., Rovira, L. and Mann, D.G. (2014). Characterizing the niches of two very similar Nitzschia species and implications for ecological assessment. Diatom Research. 10.1080/0269249X.2014.951398

Krammer, K. and Lange-Bertalot, H. (1988). Bacillariophyceae. 2. Teil: Bacillariaceae, Epithemiaceae, Surirellaceae. In: Ettl, H., J. Gerloff, H. Heynig and D. Mollenhauer (eds.) Susswasserflora von Mitteleuropa, Band 2/2. Gustav Fisher Verlag, Jena.

Mann, D.G., Sato, S., Rovira, L. and Trobajo, R. (2013). Paedogamy and auxosporulation in Nitzschia sect. Lanceolatae (Bacillariophyta). Phycologia 52(2): 204–220. 10.2216/12-077.1

Links & ID's

Index Nominum Algarum (INA)

Original INA

California Academy of Sciences (CAS)

Nitzschia inconspicua CAS

NCBI Genbank Taxonomy

Nitzschia inconspicua NCBI

North American Diatom Ecological Database (NADED)

NADED ID: 48122

Autecology Discussion

EMAP Assessment

The Environmental Protection Agency (EPA) western Environmental Monitoring and Assessment Program (EMAP) study was completed during the years 2000-2004 (see citations at bottom of this page). Over 1200 streams and rivers in 12 western states (Arizona, California, Colorado, Idaho, Montana, Nevada, North Dakota, Oregon, South Dakota, Utah, Washington and Wyoming) were selected for sampling based on a stratified randomized design. This type of design insures that ecological resources are sampled in proportion to their actual geographical presence. Stratified randomized design also allows for estimates of stream length with a known confidence in several “condition classes” (good or least-disturbed, intermediately-disturbed, and poor or most-disturbed) for biotic condition, chemistry and habitat.


EMAP Distribution

Nitzschia inconspicua


EMAP Response Plots

Nitzschia inconspicua


EMAP citations

Results are published in:

Johnson, T., Hermann, K., Spaulding, S., Beyea, B., Theel, C., Sada, R., Bollman, W., Bowman, J., Larsen, A., Vining, K., Ostermiller, J., Petersen, D. Hargett, E. and Zumberge, J. (2009). An ecological assessment of USEPA Region 8 streams and rivers. U.S. Environmental Protection Agency Region 8 Report, 178 p.

Stoddard, J. L., Peck, D. V., Olsen, A. R., Larsen, D. P., Van Sickle, J., Hawkins, C. P., Hughes, R. M., Whittier, T. R., Lomnicky, G. A., Herlihy, A. T., Kaufman, P. R., Peterson, S. A., Ringold, P. L., Paulsen, S. G., and Blair, R. (2005). Environmental Monitoring and Assessment Program (EMAP) western streams and rivers statistical summary. U.S. Environmental Protection Agency Report 620/R-05/006, 1,762 p.

Stoddard, J. L., Peck, D. V., Paulsen, S. G., Van Sickle, J., Hawkins, C. P., Herlihy, A. T., Hughes, R. M., Kaufman, P. R., Larsen, D. P., Lomnicky, G. A., Olsen, A. R., Peterson, S. A., Ringold, P. L., and Whittier, T. R. (2005). An ecological assessment of western streams and rivers. U.S. Environmental Protection Agency Report 620/R-05/005, 49 p.