LOCATION.-- Lat 39°41'46", long 89°34'21" (NAD of 1927), SE1/4NE1/4 sec. 6, T.14 N., R.4 W., Sangamon County, Hydrologic Unit 07130007. Upstream boundary is located about 90 meters downstream from bridge. | |
DRAINAGE AREA.-- Undetermined | |
PERIOD OF RECORD.-- | |
BIOLOGICAL | |
ALGAE: Water year 1997. | |
BENTHIC MACROINVERTEBRATES: Water year 1997. | |
REMARKS FOR CURRENT YEAR.--Algae community samples were collected as part of the National Water-Quality Assessment program (NAWQA) in the lower Illinois River Basin. A quantitative sample was collected in accordance with NAWQA protocols (Cuffney and others, 1993). | |
| PERIPHYTON ALGAE, QUANTITATIVE, RTH (Richest-targeted habitat, cobbles or snags) | |||
|---|---|---|---|
| [sp., species; Chlorophyta, Green algae; Cyanophyta, Blue-green algae; Chrysophyta, Golden algae, for example diatoms; Cryptophyta, Cryptophytes; Euglenophyta, Euglenoids; Pyrrhophyta, Dinoflagellates; Rhodophyta, Red algae] | |||
| Quantitative sample | |||
| Phylum | |||
| Taxon | Cells (number/cm2) | Biovolume (biovolume/cm2) | |
| Reach A 8/8/1997 | |||
| Chlorophyta | |||
| Chlorella ellipsoidea Gerneck | 1836.46027 | 177757.5608 | |
| Chrysophyta | |||
| Amphora montana Krasske | 181.52675 | 39034.39006 | |
| Amphora pediculus (Kützing) Grunow | 3176.74202 | 299007.7222 | |
| Apistonema polychloris Ettl | 7345.84106 | 2129755.214 | |
| Caloneis schumanniana (Grunow) Cleve | 181.52675 | 147231.823 | |
| Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 3539.7992 | 2442622.136 | |
| Cocconeis placentula var. lineata (Ehrenberg) Van Heurck | 2178.33755 | 2380347.065 | |
| Cyclotella atomus Hustedt | 363.05534 | 30451.8199 | |
| Cyclotella meneghiniana Kützing | 90.76338 | 78429.44283 | |
| Diploneis puella (Schumann) Cleve | 181.52675 | 52946.92322 | |
| Encyonema minutum (Hilse) Mann | 181.52675 | 37263.89117 | |
| Fallacia omissa (Hustedt) Mann | 181.52675 | 34225.02038 | |
| Fallacia tenera (Hustedt) Mann | 816.87589 | 127010.586 | |
| Gomphonema acuminatum Ehrenberg | 181.52675 | 244488.4194 | |
| Gomphonema angustatum (Kützing) Rabenhorst | 181.52675 | 56975.36552 | |
| Gomphonema insigne Gregory | 363.05534 | 782909.2954 | |
| Gomphonema minutum (Agardh) Agardh | 544.58393 | 181418.5083 | |
| Gomphonema olivaceum (Lyngbye) Kützing | 363.05534 | 141831.5927 | |
| Gomphonema parvulum (Kützing) Kützing | 544.58393 | 118430.0941 | |
| Gomphosphenia grovei (Schmid) Lange-Bertalot | 544.58393 | 584366.3325 | |
| Gyrosigma scalproides (Rabenhorst) Cleve | 363.05534 | 531976.527 | |
| Heterothrix sp. 0A UL NAWQA EJ | 7345.84106 | 7960632.868 | |
| Mayamaea atomus (Kützing) Lange-Bertalot | 544.58393 | 15272.53557 | |
| Melosira lineata Agardh | 363.05534 | 371054.9044 | |
| Melosira varians Agardh | 1270.69644 | 6448085.619 | |
| Navicula canalis Patrick | 181.52675 | 60374.25809 | |
| Navicula capitatoradiata Germain | 181.52675 | 104875.6967 | |
| Navicula cryptocephala Kützing | 363.05534 | 122860.0146 | |
| Navicula difficillima Hustedt | 363.05534 | 8012.11706 | |
| Navicula erifuga Lange-Bertalot | 1724.51699 | 755767.4204 | |
| Navicula exilis Kützing | 544.58393 | 193964.2231 | |
| Navicula germainii Wallace | 2269.10092 | 1497749.208 | |
| Navicula gregaria Donkin | 726.11252 | 202544.2563 | |
| Navicula kotschyi Grunow | 181.52675 | 39937.35054 | |
| Navicula meniscus Schumann | 181.52675 | 303591.1355 | |
| Navicula minima Grunow | 1724.51699 | 69126.65989 | |
| Navicula recens Lange-Bertalot | 363.05534 | 185362.822 | |
| Navicula subminuscula Manguin | 726.11252 | 52875.77261 | |
| Navicula symmetrica Patrick | 1089.16785 | 1247093.175 | |
| Navicula tenelloides Hustedt | 816.87589 | 135112.9113 | |
| Navicula tripunctata (Müller) Bory | 453.81872 | 423838.0603 | |
| Navicula trivialis Lange-Bertalot | 1089.16785 | 1187632.016 | |
| Nitzschia amphibia Grunow | 2450.62951 | 456635.3705 | |
| Nitzschia dissipata (Kützing) Grunow | 453.81872 | 115372.1855 | |
| Nitzschia dissipata var. media (Hantzsch) Grunow | 181.52675 | 44609.92408 | |
| Nitzschia frustulum (Kützing) Grunow | 272.29196 | 13409.05841 | |
| Nitzschia microcephala Grunow | 272.29196 | 29567.10274 | |
| Nitzschia palea (Kützing) Smith | 1089.16785 | 329836.7628 | |
| Nitzschia palea var. debilis (Kützing) Grunow | 816.87589 | 139279.2873 | |
| Ophiocytium sp. 0A UL NAWQA EJ | 11018.7616 | 116771.326 | |
| Pinnularia gibba Ehrenberg | 181.52675 | 280944.2057 | |
| Pinnularia spp. | 181.52675 | 1519011.435 | |
| Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 7170.36361 | 2029937.151 | |
| Pleurosigma angulatum (Quekett) Smith | 181.52675 | 3006061.296 | |
| Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 9348.70116 | 4766383.805 | |
| Sellaphora mutata (Krasske) Lange-Bertalot | 726.11252 | 166995.03 | |
| Sellaphora pupula (Kützing) Meresckowsky | 90.76338 | 51028.41495 | |
| Simonsenia delognei (Grunow) Lange-Bertalot | 1452.22503 | 81463.95958 | |
| Surirella angusta Kützing | 363.05534 | 398160.3562 | |
| Surirella spp. | 181.52675 | 1665555.586 | |
| Tryblionella apiculata Gregory | 181.52675 | 443048.0211 | |
| Tryblionella victoriae Grunow | 181.52675 | 157046.3902 | |
| Cyanophyta | |||
| Aphanocapsa delicatissima West & West | 257104.4373 | 553630.3586 | |
| Jaaginema subtilissima (Kützing) Anagnostidis & Komárek | 56930.26825 | 1423256.706 | |
| Leptolyngbya ochracea (Thuret) Anagnostidis & Komárek | 257104.4373 | 151852.018 | |
| Oscillatoria fremyii De Toni | 130388.6789 | 182121.5113 | |
| Oscillatoria limnetica Lemmermann | 139570.9802 | 4831441.851 | |
| Rhabdoderma lineare Schmidle & Lauterborn | 7345.84106 | 257588.8955 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |