Customized Search


The links on the right jump to groups of related data fields. All fields are optional. Once you have filled out as many fields as you wish, click on the search button at the top of the page to find lakes with those characteristics.

All chemical, physical and organism abundance fields require a number. Locational data with a # sign also require a number. The operators >, <, >=, <= may be, placed before a number.

Example: To find All lakes with a pH greater than 6, enter >6 in the pH field, and click on the search button.

1. Locational Data
2. Chemical & Physical Data
3. Watershed & GIS Data
4. Abundances of Chrysophytes
5. Abundances of Diatoms





Locational Data

Lake Name Region 1
Town/City Region 2
State    
Country    
Continent    





Chemical & Physical Data

pH Total Phosphorus (ug/L)
Alkalinity (meq/L) Total Nitrogen (ug/L)
Na + (meq/L) Sulfate (meq/L)
K + (meq/L) Trophic Score
Mg + + (meq/L) Secchi Disk (m)
Ca + + (meq/L) Specific Conductivity (uS/cm)
Cl - (meq/L) Anoxic In July?





Watershed Data

Surface Area Lake (sq Km) Total Km of Roads
Surface Area Watershed (sq Km) Highway 1
WS/SA ratio Highway 2
Retention Time Local Road
# of Homes Minor Road
Density of Homes (#/sq Km) Trail
Home Year    

% homes within 200 ft of lake
% homes within 200 ft of water feature
% linear distance of roads within 200ft of lake
% linear distance of roads within 200ft of water feature





Relative % Abundance of Scaled Chrysophyte & Synurophyte Species

Chrysosphaerella brevispina Mallomonas paludosa
Chrysosphaerella_longispina Mallomonas papillosa
Mallomonas actinoloma Mallomonas parvula
Mallomonas akrokomas Mallomonas porteae-ferreae
Mallomonas alpina Mallomonas pseudocoronata
Mallomonas annulata Mallomonas pugio
Mallomonas aerolata Mallomonas punctifera
Mallomonas asmundiae Mallomonas retifera
Mallomonas canina Mallomonas retrosa
Mallomonas caudata Mallomonas schwemmlei
Mallomonas corymbosa Mallomonas striata
Mallomonas crassisquama Mallomonas tonsurata
Mallomonas cratis Mallomonas torquata
Mallomonas dickii Mallomonas transsylvanica
Mallomonas doignonii Synura curtispina
Mallomonas duerrschmidtiae Synura echinulata
Mallomonas elongata Synura lapponica
Mallomonas galeiformis Synura mollispina
Mallomonas hamata Synura petersenii
Mallomonas heterospina Synura sphagnicola
Mallomonas lychenensis Synura spinosa
Mallomonas mangofera Synura uvella
Mallomonas matvienkoae    
Mallomonas multisetigera    





Relative % Abundance of Diatom Species

Asterionella formosa Eunotia zasuminensis
Asterionella ralfsii Fragilaria crotenensis
Aulacoseira alpigena Nitzschia acicularis
Aulacoseira ambigua Rhizoselenia longispina
Aulacoseira crassipunctata Stephanodiscus hantzschia
Aulacoseira distans v. distans Stephanodiscus minutulus
Aulacoseira distans v. tenella Stephanodiscus niagare
Aulacoseira granulata Stephanodiscus parvus
Aulacoseira humilis Synedra acus v. angustissima
Aulacoseira lacustris Synedra acus v. radians
Aulacoseira laevissima Synedra delicatissima (straight)
Aulacoseira lirata Synedra delicatissima (bent)
Aulacoseira perglabra v. perglabra Synedra nana
Aulacoseira perglabra v. florinae Synedra ulna
Aulacoseira subarctica Tabellaria flocculosa III
Cyclotella bodanica Tabellaria flocculosa IV
Cyclotella michiginiana Tabellaria flocculosa v. linearis
Cyclotella occelata    
Cyclotella stelligera #1    
Cyclotella stelligera #2: