stream_algae_report_short_AP

Maine Department of Environmental Protection
Biological Monitoring Program
Stream Algae Report

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 = B

Final Determination = C

Attains Class = NO

Reason = Model

Model Result = C

Prob. Class A = 0.00

Prob. Class B = 0.00

Prob. Class C = 0.93

Prob. NA = 0.06

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 = 10 m

Depth = 35 cm

Water velocity = 92 cm/s

Bedrock = 0 %

Boulder = 20 %

Cobble = 40 %

Gravel = 20 %

Sand = 10 %

Silt = 0 %

Clay = 0 %

Viewing Bucket and Land Use

Statutory Class: B

Nutrient Response Indicator Criterion: <24% Nuisance Algae Cover

Nuisance Algae in Survey: 11.7 % cover

Meets Nutrient Response Indicator Criterion: Yes

Site Information

Name:	China Lake Outlet Stream - Station 604	Sampled by:	Biomonitoring Unit
Town:	Winslow	Method:	Rock Scrapings 1 Inch Circles
Sample Date:	2002-07-10	Sample ID:	SA-604-2002R (128)

Taxa List (See key at end of report)

Name	Group	RA	RB	Oxy	Sap	Sal	Tr	Mot	GF	Tol	TN	TP
Anabaena	Filamentous Cyanobacteria	0.271	0.004							53.1	NA	NA
Stigeoclonium pachydermum	Filamentous Green	0.119	0.206							42.6	NA	NA
Achnanthidium minutissimum	Pennate Diatom	0.112	0.005	1	2	2	7	N	P	41.2	NA	NA
Encyonema silesiacum	Pennate Diatom	0.069	0.019	3	3	2	7	V	S	46.9	43	69
Cocconeis placentula var. euglypta	Pennate Diatom	0.050	0.013	3	2	2	5	N	P	58.2	45	81
Cocconeis placentula var. lineata	Pennate Diatom	0.037	0.011	3	2	2	5	N	P	51.5	62	82
Nitzschia palea	Pennate Diatom	0.036	0.005	4	5	2	6	H	P	60.3	67	89
Scenedesmus quadricauda	Colonial Green	0.033	0.002							46.4	26	36
Reimeria sinuata	Pennate Diatom	0.031	0.005	1	2	2	3	M	P	60.9	65	88
Stigeoclonium nanum	Filamentous Green	0.027	0.002							42.6	NA	NA
Navicula cryptotenella	Pennate Diatom	0.026	0.007		2	2	7	M	P	44.6	61	82
Navicula antonii	Pennate Diatom	0.026	0.009					M	P	65.4	54	89
Scenedesmus acutiformis	Colonial Green	0.022	0.001							NA	NA	NA
Gomphonema kobayasii	Pennate Diatom	0.016	0.004					N	S	71.2	50	79
Nitzschia supralitorea	Pennate Diatom	0.015	0.001	2	3	2	5	H	P	65.4	62	89
Gomphonema pumilum	Pennate Diatom	0.015	0.003			2	7	N	S	43.6	14	21
Oedogonium 15-20 �m	Filamentous Green	0.011	0.611							37.6	27	47
Cosmarium galeritum	Desmid	0.011								NA	18	15
Gomphonema parvulum	Pennate Diatom	0.008	0.002	4	4	2	5	N	S	42.2	21	NA
Staurosira construens var. venter	Pennate Diatom	0.008	0.001	1	2	2	4	N	V	41.3	35	67
Navicula notha	Pennate Diatom	0.006	0.001					M	P	37.4	20	34
Achnanthidium deflexum	Pennate Diatom	0.006	0.001		1	2	3	N	P	43.5	40	52
Navicula cryptocephala	Pennate Diatom	0.006	0.002	3	3	2	7	M	P	56.3	55	80
Staurastrum hexacerum	Desmid	0.005	0.051							NA	NA	NA
Achnanthidium subhudsonis var. kraeuselii	Pennate Diatom	0.005	0.000					V	P	57	33	89
Synedra rumpens	Pennate Diatom	0.004	0.001			2	2	N	E	34.3	20	32
Gomphonema minutum	Pennate Diatom	0.003	0.001		2	2	5	N	S	54.6	61	55
Cosmarium amoenum	Desmid	0.003	0.025							NA	18	15
Gomphonema pseudotenellum	Pennate Diatom	0.002	0.000					N	S	40.8	NA	NA
Gomphonema angustatum	Pennate Diatom	0.002	0.000	1	1	2	1	N	S	58	50	84
Navicula menisculus	Pennate Diatom	0.002	0.000	3	3	2	5	M	P	64.3	44	72
Navicula porifera	Pennate Diatom	0.002	0.000					M	P	NA	NA	NA
Nitzschia amphibia	Pennate Diatom	0.002	0.000	3	3	2	5	H	P	79.8	53	93
Rhoicosphenia abbreviata	Pennate Diatom	0.002	0.001	2	2	2	5	V	S	83.4	72	96
Rossithidium linearis	Pennate Diatom	0.002	0.000					V	P	32	24	56
Staurosirella pinnata	Pennate Diatom	0.002	0.001	1	2	2	7	N	V	44.2	38	56
Fragilaria vaucheriae var. capitellata	Pennate Diatom	0.002	0.000		3	2	5	N	V	50.3	22	NA
Cocconeis placentula	Pennate Diatom	0.001	0.000	3	2	2	5	N	P	NA	30	82
Cyclotella meneghiniana	Centric Diatom	0.001	0.000	5	4	3	5	N	U	72.6	55	73
Karayevia clevei	Pennate Diatom	0.001	0.000	2	2	2	4	V	P	54.3	NA	72
Navicula rostellata	Pennate Diatom	0.001	0.001	2	2	2	5	M	P	66.1	48	92
Navicula medioconvexa	Pennate Diatom	0.001	0.000			1		M	P	NA	NA	NA
Eolimna minima	Pennate Diatom	0.001	0.000	4	4	2	5	M	P	57	64	88
Navicula escambia	Pennate Diatom	0.001	0.000	1	2	3	5	M	P	67.3	42	93
Cyclotella distinguenda	Centric Diatom	0.001	0.000	1		2		N	U	NA	NA	NA

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.