Maine Department of Environmental Protection
 Biological Monitoring Program
 Stream Algae Report

Site Information
Name: Mousam River - Station 391 Sampled by: Biomonitoring Unit
Town: Sanford Method: Rock Scrapings 1 Inch Circles
Sample Date: 2004-07-08 Sample ID: SA-391-2004R (254)
Location: Below Stp1 - Just Below Discharge

Model Results and Variables

 Blue = this sample. Boxplots = range of all samples. Grey shaded areas = 90th and/or 10th percentile of reference site values.

Statutory Class = C
Final Determination = B
Attains Class = YES
Reason = Model
Model Result = B
Prob. Class A = 0.02
Prob. Class B = 0.98
Prob. Class C = 0.00
Prob. NA = 0.00
Additional Metrics

Stream Characteristics and Water Chemistry

 Blue = this sample. Boxplots = range of all samples. Grey shaded areas = 10th to 90th percentile of reference site values

Wetted width = 9 m
Depth = 33 cm

Viewing Bucket and Land Use

Site Information
Name: Mousam River - Station 391 Sampled by: Biomonitoring Unit
Town: Sanford Method: Rock Scrapings 1 Inch Circles
Sample Date: 2004-07-08 Sample ID: SA-391-2004R (254)
Taxa List (See key at end of report)
Name Group RA RB Oxy Sap Sal Tr Mot GF Tol TN TP
Homoeothrix janthina Filamentous Cyanobacteria 0.248 0.056 43 19 21
Aphanothece clathrata Cyanobacteria 0.220 0.005 43.1 NA NA
Stigeoclonium lubricum Filamentous Green 0.134 0.362 42.6 18 34
Phormidium Filamentous Cyanobacteria 0.117 0.039 42.6 60 NA
Undetermined bluegreen colony Cyanobacteria 0.052 0.001 NA NA NA
Encyonema silesiacum Pennate Diatom 0.046 0.121 3 3 2 7 V S 46.9 43 69
Xenococcus Cyanobacteria 0.043 0.021 53.4 NA NA
Audouinella Red Algae 0.030 0.244 47.5 54 69
Achnanthidium minutissimum Pennate Diatom 0.025 0.011 1 2 2 7 N P 41.2 NA NA
Achnanthidium rivulare Pennate Diatom 0.019 0.011 N P 49.9 39 49
Gomphonema parvulum Pennate Diatom 0.015 0.026 4 4 2 5 N S 42.2 21 NA
Stauridium tetras Colonial Green 0.012 0.007 35.2 NA NA
Undetermined bg filament 1-2 µm Cyanobacteria 0.005 0.000 NA NA NA
Sellaphora seminulum Pennate Diatom 0.004 0.002 4 4 2 5 M P 51.5 67 73
Planothidium frequentissimum Pennate Diatom 0.003 0.002 3 4 2 V P 65.1 69 92
Fragilaria gracilis Pennate Diatom 0.002 0.004 1 1 2 2 N V 30.6 18 22
Cosmarium angulosum Desmid 0.002 0.008 26 18 15
Navicula cryptocephala Pennate Diatom 0.002 0.004 3 3 2 7 M P 56.3 55 80
Navicula cryptotenella Pennate Diatom 0.002 0.005 2 2 7 M P 44.6 61 82
Undetermined Green Oval Colonial Green 0.002 0.003 NA NA NA
Eunotia minor Pennate Diatom 0.001 0.007 1 1 V E 42.4 19 34
Fragilaria neoproducta Pennate Diatom 0.001 0.003 1 1 1 N V NA NA NA
Fragilaria vaucheriae Pennate Diatom 0.001 0.001 3 3 2 5 N V 44.2 36 NA
Ankistrodesmus falcatus Colonial Green 0.001 0.000 45.7 58 75
Cocconeis placentula var. lineata Pennate Diatom 0.001 0.004 3 2 2 5 N P 51.5 62 82
Cymbella tumida Pennate Diatom 0.001 0.024 1 1 2 4 V S 57.8 48 78
Diatoma moniliformis Pennate Diatom 0.001 0.002 3 N U 52.8 27 36
Nitzschia acidoclinata Pennate Diatom 0.001 0.000 1 2 1 3 H P 51.6 40 56
Nitzschia dissipata var. media Pennate Diatom 0.001 0.002 2 H P 64.7 NA NA
Nitzschia palea Pennate Diatom 0.001 0.001 4 5 2 6 H P 60.3 67 89
Phormidium minnesotense Filamentous Cyanobacteria 0.001 0.000 42.6 NA NA
Planothidium lanceolatum Pennate Diatom 0.001 0.001 3 3 2 5 V P 72.5 72 91
Psammothidium subatomoides Pennate Diatom 0.001 0.000 1 1 1 2 V P 42.4 20 35
Eolimna minima Pennate Diatom 0.001 0.000 4 4 2 5 M P 57 64 88
Synedra rumpens Pennate Diatom 0.000 0.000 2 2 N E 34.3 20 32
Cocconeis placentula var. euglypta Pennate Diatom 0.000 0.000 3 2 2 5 N P 58.2 45 81
Gomphonema clevei Pennate Diatom 0.000 0.001 N S 31.3 NA NA
Mayamaea permitis Pennate Diatom 0.000 0.000 4 4 2 5 M P 65.3 100 100
Melosira varians Centric Diatom 0.000 0.001 3 3 2 5 N U 67 67 89
Ulnaria ulna Pennate Diatom 0.000 0.013 3 4 2 N E 34.2 17 21
Tabellaria flocculosa Pennate Diatom 0.000 0.004 1 2 1 3 N U 18.8 17 32
Achnanthidium subhudsonis var. kraeuselii Pennate Diatom 0.000 0.000 V P 57 33 89
Taxa List Key
Column Name Description
RA Relative Abundance number of cells (density of cells per square centimeter) in a sample / total abundance of all taxa
RB Relative Biovolume Volume of a taxon’s cells in a sample / volume of all algae cells in a sample
Oxy van Dam Oxygen tolerance 1=100% DO saturation, 2=>75% DO saturation, 3=>50% DO saturation, 4=>30% DO saturation, 5=<30% DO saturation
Sap van Dam Saprobic value Saprobic values relate to the amount of organic pollution, biological oxygen demand, and DO concentrations. Values range from 1 (intolerant of organic pollution) to 5 (highly tolerant of organic pollution)
Sal van Dam Salinity value 1=freshwater (<100 mg/L chloride) , 2=fresh-brackish (<500 mg/L), 3=brackish-freshwater (500-1000 mg/L), 4=brackish (1000-5000 mg/L)
Tr van Dam Trophic value 1=oligotraphentic, 2=oligo-mesotraphentic, 3=mesotraphentic, 4=meso-eutraphentic, 5=eutraphentic, 6=hypereutraphentic, 7=indifferent to trophic state
Mot Motility of Diatoms Motility (capability of movement in water or on substrates) based on genus (Wang et al. 2005): N= not motile, M = motile , H = highly motile, V=variable within genus
GF Growth Forms E= erect, P=prostrate, S=stalked, U=unattached, V=variable (based on communication with R. Jan Stevenson)
Tol Tolerance value Tolerance to a combination of watershed disturbance, conductivity, and nutrient enrichment (based on Maine data). Value range from 1=most senstive to 100=most tolerant.
TN TN value Preference for total nitrogen (TN) based on Maine data. Values range from 1=low TN concentrations to 100=high TN concentrations.
TP TP value Preference for total phosphorus (TP) based on Maine data. Values range from 1=low TP concentrations to 100=high TP concentrations.