LOCATION.-- Lat 40°11'45", long 90°27'16" (NAD of 1927), in NE1/4 SE1/4 sec.36, T.3 N., R.1 W., Schuyler County, Hydrologic unit 07130003. At bridge on US Highway 24, 1.3 miles southeast of Ray. | |
DRAINAGE AREA.-- 118 mi2 | |
PERIOD OF RECORD.-- | |
SURFACE-WATER DISCHARGE AND STAGE | |
PARTIAL RECORD: Discharge measurements,Water year 1981. | |
SURFACE-WATER QUALITY | |
MISCELLANEOUS: Water year 1981. | |
BIOLOGICAL | |
ALGAE: Water year 1997. | |
BENTHIC MACROINVERTEBRATES: Water year 1997. | |
REMARKS.-- Station established as a low-flow water-quality sampling site in August 1997 as part of the National Water-Quality Assessment (NAWQA), Lower Illinois River Basin synoptic study. | |
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). Reach A begins 20 meters downstream from the US Route 24 bridge and continues downstream for 72 meters. |
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 8/6/1997 | |||
Chlorophyta | |||
Ankistrodesmus falcatus (Corda) Ralfs | 5106.11353 | 221291.5716 | |
Desmococcus sp. 0B UL NAWQA EJ | 61273.36239 | 16824167.52 | |
Gongrosira sp. 0A UL NAWQA EJ | 10212.22707 | 2672199.415 | |
Pithophora sp. 0A UL NAWQA EJ | 71485.58946 | 56116187.72 | |
Scenedesmus spinosus Chodat | 20424.45413 | 336857.8439 | |
Tetrastrum glabrum (Roll) Ahlstrom & Tiffany | 20424.45413 | 474021.8452 | |
Chrysophyta | |||
Achnanthes minutissima var. jackii (Rabhenhost) Lange-Bertalot et Ruppel | 4071.96215 | 396639.461 | |
Achnanthidium affine (Grunow) Czarnecki | 22395.79691 | 3931765.213 | |
Achnanthidium minutissimum (Kützing) Czarnecki | 4071.96215 | 221403.2402 | |
Amphora copulata (Kützing) Schoeman et Archibald | 1017.99054 | 1702631.351 | |
Amphora pediculus (Kützing) Grunow | 7125.93376 | 670721.5143 | |
Cocconeis pediculus Ehrenberg | 7125.93376 | 22709157.62 | |
Cocconeis placentula var. euglypta (Ehrenberg) Cleve | 2035.98107 | 1404919.363 | |
Craticula citrus (Krasske) Reichardt | 1017.99054 | 335017.9732 | |
Cyclostephanos invisitatus (Hohn et Hellerman) Theriot, Stoermer et Hĺkansson | 4071.96215 | 732740.6674 | |
Cyclotella atomus Hustedt | 9161.91483 | 768469.5695 | |
Cyclotella meneghiniana Kützing | 3053.97161 | 2638964.118 | |
Cyclotella nana Hustedt | 2035.98107 | 46254.506 | |
Diploneis puella (Schumann) Cleve | 1017.99054 | 296922.9954 | |
Encyonema minutum (Hilse) Mann | 3053.97161 | 626920.6317 | |
Gomphonema insigne Gregory | 3053.97161 | 6585725.375 | |
Gomphonema minutum (Agardh) Agardh | 11197.8959 | 3730381.065 | |
Gomphonema parvulum (Kützing) Kützing | 2035.98107 | 442762.6635 | |
Gomphosphenia grovei (Schmid) Lange-Bertalot | 2035.98107 | 2184711.544 | |
Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkowski | 508.99272 | 317332.8183 | |
Mayamaea atomus (Kützing) Lange-Bertalot | 1526.98325 | 42823.34614 | |
Navicula canalis Patrick | 3053.97161 | 1015725.058 | |
Navicula capitatoradiata Germain | 8143.92429 | 4705090.169 | |
Navicula cryptocephala Kützing | 1017.99054 | 344493.8515 | |
Navicula cryptotenella Lange-Bertalot ex Krammer et Lange-Bertalot | 3562.96433 | 941372.9288 | |
Navicula erifuga Lange-Bertalot | 7634.93158 | 3345999.235 | |
Navicula germainii Wallace | 1017.99054 | 671937.729 | |
Navicula gregaria Donkin | 3053.97161 | 851885.0668 | |
Navicula meniscus Schumann | 2035.98107 | 3405039.758 | |
Navicula minima Grunow | 61079.45773 | 2448348.677 | |
Navicula reichardtiana Lange-Bertalot | 3053.97161 | 398649.1549 | |
Navicula rostellata Kützing | 1017.99054 | 902338.4795 | |
Navicula sp. 0Y UL NAWQA KM | 3562.96433 | 171587.8404 | |
Navicula subminuscula Manguin | 6107.94322 | 444782.606 | |
Navicula symmetrica Patrick | 3562.96433 | 4079581.007 | |
Navicula tenelloides Hustedt | 1017.99054 | 168377.6772 | |
Navicula tripunctata (Müller) Bory | 2544.97379 | 2376845.022 | |
Navicula trivialis Lange-Bertalot | 1017.99054 | 1110020.047 | |
Nitzschia amphibia Grunow | 20359.81584 | 3793724.026 | |
Nitzschia dissipata (Kützing) Grunow | 4071.96215 | 1035195.678 | |
Nitzschia frustulum (Kützing) Grunow | 14251.87262 | 701835.5951 | |
Nitzschia inconspicua Grunow | 16796.84641 | 934354.6932 | |
Nitzschia microcephala Grunow | 3053.97161 | 331618.6462 | |
Nitzschia palea (Kützing) Smith | 2035.98107 | 616563.7403 | |
Nitzschia palea var. debilis (Kützing) Grunow | 13742.8748 | 2343192.924 | |
Ochromonas sp. 0B UL NAWQA EJ | 5106.11353 | 769593.4316 | |
Placoneis elginensis (Gregory) Cox | 1017.99054 | 893870.7827 | |
Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot | 2035.98107 | 576388.2895 | |
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 13742.8748 | 7006729.037 | |
Rossithidium pusillum (Grunow) Round et Bukhtiyarova | 3562.96433 | 313978.9082 | |
Sellaphora mutata (Krasske) Lange-Bertalot | 1526.98325 | 351183.334 | |
Sellaphora pupula (Kützing) Meresckowsky | 2035.98107 | 1144656.489 | |
Simonsenia delognei (Grunow) Lange-Bertalot | 15269.86316 | 856577.6576 | |
Surirella minuta Brébisson | 4071.96214 | 3232467.788 | |
Cyanophyta | |||
Aphanocapsa sp. | 142971.1789 | 392963.6767 | |
Gloeocapsa aeruginosa Kützing | 20424.45413 | 336697.1263 | |
Jaaginema pseudogeminatum (Schmidle) Anagnostidis & Komárek | 408489.0826 | 1600911.586 | |
Jaaginema subtilissima (Kützing) Anagnostidis & Komárek | 229775.109 | 5744377.724 | |
Leptolyngbya ochracea (Thuret) Anagnostidis & Komárek | 403382.9691 | 238247.6107 | |
Lyngbya martensiana var. minor Gardner | 255305.6766 | 7515560.856 | |
Oscillatoria raoi De Toni | 40848.90826 | 3185261.703 | |
Pseudanabaena amphigranulata (Van Goor) Anagnostidis | 265517.9037 | 1646809.695 | |
Synechocystis aquatilis Sauvageau | 5106.11353 | 736970.3304 | |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |