Algae count event measured attribute

Phycology Section: ecology and taxonomy of freshwater algae, particularly diatoms

ANSPNRSAPR - National River and Stream Assessment - EPA

NRSA0074 DT1 a
count code: 1 ...count_event_id: 43044
count_type_id: 1
count_method_id: 17

measured attribute: valves
measured_attribute_id=2 count_event_id: 43044 cema_id: 131427

77 taxa counted (for this measured attribute):

Achnanthidium minutissimum (NADED 1010) algae_taxa_id=11
19.000000000
cema_id=131427, cemaat_id=3594264
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Achnanthidium exiguum (NADED 1024) algae_taxa_id=7265
12.000000000
cema_id=131427, cemaat_id=3594285
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Achnanthidium rivulare (NADED 1036) algae_taxa_id=8420
1.000000000
cema_id=131427, cemaat_id=3594294
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Amphora pediculus (NADED 7043) algae_taxa_id=331
1.000000000
cema_id=131427, cemaat_id=3594434
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Aulacoseira granulata (NADED 10018) algae_taxa_id=412
5.000000000
cema_id=131427, cemaat_id=3594484
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Capartogramma crucicula (NADED 14001) algae_taxa_id=485
3.000000000
cema_id=131427, cemaat_id=3594587
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Cocconeis placentula var. euglypta (NADED 16005) algae_taxa_id=496
2.000000000
cema_id=131427, cemaat_id=3594661
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Cyclotella atomus (NADED 20001) algae_taxa_id=550
3.000000000
cema_id=131427, cemaat_id=3594752
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Cyclotella meneghiniana (NADED 20007) algae_taxa_id=556
2.000000000
cema_id=131427, cemaat_id=3594772
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Cyclotella hakanssoniae (NADED 20067) algae_taxa_id=615
74.000000000
cema_id=131427, cemaat_id=3594789
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM
Very doffuclt to make out. I observed this taxon in seveal samples from Maryland now and it seems to vary from site to site. There are ones with wavy domes and one to several fultoportulae , but also flat domed ones and with one, but with same striation

Cymbella naviculiformis (NADED 23016) algae_taxa_id=652
1.000000000
cema_id=131427, cemaat_id=3594810
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Entomoneis alata (NADED 31003) algae_taxa_id=856
3.000000000
cema_id=131427, cemaat_id=3594981
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Eunotia fallax (NADED 33018) algae_taxa_id=900
1.000000000
cema_id=131427, cemaat_id=3595048
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Eunotia incisa (NADED 33026) algae_taxa_id=908
22.000000000
cema_id=131427, cemaat_id=3595072
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM
Variable in the sample

Eunotia pectinalis var. undulata (NADED 33041) algae_taxa_id=923
4.000000000
cema_id=131427, cemaat_id=3595079
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Eunotia bilunaris (NADED 33185) algae_taxa_id=1067
2.000000000
cema_id=131427, cemaat_id=3595104
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Fragilaria capucina (NADED 34006) algae_taxa_id=1117
1.000000000
cema_id=131427, cemaat_id=3595113
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Fragilaria nitzschioides (NADED 34024) algae_taxa_id=1135
69.000000000
cema_id=131427, cemaat_id=3595119
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Fragilaria vaucheriae (NADED 34030) algae_taxa_id=1141
2.000000000
cema_id=131427, cemaat_id=3595156
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Fragilaria pinnata var. acuminata (NADED 34038) algae_taxa_id=1149
19.000000000
cema_id=131427, cemaat_id=3595166
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM
Not sure if this is the taxon. It seems to be the same as that observed in other samples from Maryland, but this ones have a more clavate shape. Probably a Punctastriata

Fragilaria capucina var. gracilis (NADED 34098) algae_taxa_id=1208
2.000000000
cema_id=131427, cemaat_id=3595184
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Fragilaria rhabdosoma (NADED 34211) algae_taxa_id=9373
1.000000000
cema_id=131427, cemaat_id=3595191
added on: 10/19/2009 4:11:00 PM, modified on: 4/19/2010 10:07:00 AM

Fragilaria zeilleri var. elliptica (NADED 34141) algae_taxa_id=1251
18.000000000
cema_id=131427, cemaat_id=3595193
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Gomphonema angustatum (NADED 37003) algae_taxa_id=1324
7.000000000
cema_id=131427, cemaat_id=3595308
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Gomphonema subclavatum (NADED 37029) algae_taxa_id=1350
9.000000000
cema_id=131427, cemaat_id=3595332
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Gomphonema insigne (NADED 37156) algae_taxa_id=1477
1.000000000
cema_id=131427, cemaat_id=3595413
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Gomphonema kobayasii (NADED 37197) algae_taxa_id=4176
1.000000000
cema_id=131427, cemaat_id=3595512
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Gomphonema lagenula (NADED 37278) algae_taxa_id=4281
3.000000000
cema_id=131427, cemaat_id=3595544
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Gyrosigma reimeri (NADED 38027) algae_taxa_id=8624
2.000000000
cema_id=131427, cemaat_id=3595608
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Melosira varians (NADED 44073) algae_taxa_id=1647
2.000000000
cema_id=131427, cemaat_id=3595670
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Navicula gregaria (NADED 46023) algae_taxa_id=1697
1.000000000
cema_id=131427, cemaat_id=3595730
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Navicula minima (NADED 46039) algae_taxa_id=1713
4.000000000
cema_id=131427, cemaat_id=3595763
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Navicula peregrina (NADED 46289) algae_taxa_id=1962
3.000000000
cema_id=131427, cemaat_id=3595822
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Navicula absoluta (NADED 46494) algae_taxa_id=2167
1.000000000
cema_id=131427, cemaat_id=3595879
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Navicula germainii (NADED 46616) algae_taxa_id=2288
3.000000000
cema_id=131427, cemaat_id=3595966
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Navicula rostellata (NADED 46896) algae_taxa_id=7571
5.000000000
cema_id=131427, cemaat_id=3596140
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Neidium alpinum (NADED 47006) algae_taxa_id=2534
2.000000000
cema_id=131427, cemaat_id=3596152
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Neidium densestriatum (NADED 47079) algae_taxa_id=2607
3.000000000
cema_id=131427, cemaat_id=3596159
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Nitzschia amphibia (NADED 48004) algae_taxa_id=2625
38.000000000
cema_id=131427, cemaat_id=3596198
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Nitzschia fonticola (NADED 48011) algae_taxa_id=2632
2.000000000
cema_id=131427, cemaat_id=3596248
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Nitzschia intermedia (NADED 48153) algae_taxa_id=2774
1.000000000
cema_id=131427, cemaat_id=3596481
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Nitzschia liebethruthii (NADED 48156) algae_taxa_id=2777
1.000000000
cema_id=131427, cemaat_id=3596490
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Opephora martyi (NADED 50002) algae_taxa_id=3047
3.000000000
cema_id=131427, cemaat_id=3596571
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM
Smaller form

Opephora aff. olsenii SAVANNAH EAM (NADED 50012) algae_taxa_id=4818
4.000000000
cema_id=131427, cemaat_id=3596574
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Rhoicosphenia abbreviata (NADED 57002) algae_taxa_id=7603
1.000000000
cema_id=131427, cemaat_id=3596766
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Synedra rumpens (NADED 66016) algae_taxa_id=3553
2.000000000
cema_id=131427, cemaat_id=3596931
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Synedra ulna var. contracta (NADED 66058) algae_taxa_id=3595
1.000000000
cema_id=131427, cemaat_id=3596967
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Tabellaria fenestrata (NADED 67002) algae_taxa_id=3635
1.000000000
cema_id=131427, cemaat_id=3597058
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Pseudostaurosira neoelliptica (NADED 73007) algae_taxa_id=8001
35.000000000
cema_id=131427, cemaat_id=3597128
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM
There is a variation of forms with a few larger, more typical ones and lots of smaller apically compressed forms

Pseudostaurosira parasitica (NADED 73010) algae_taxa_id=8351
3.000000000
cema_id=131427, cemaat_id=3597133
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Pseudostaurosira subsalina (NADED 73012) algae_taxa_id=9317
25.000000000
cema_id=131427, cemaat_id=3597147
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM
Intergradation with zeilleri var. elliptica, but the later has higher striae density

Bacillaria paradoxa (NADED 76001) algae_taxa_id=3679
6.000000000
cema_id=131427, cemaat_id=3597169
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Navicula cf. kriegerii NAWQA KM (NADED 93165) algae_taxa_id=4828
2.000000000
cema_id=131427, cemaat_id=3597179
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Encyonema minutum (NADED 110004) algae_taxa_id=3761
3.000000000
cema_id=131427, cemaat_id=3597197
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Encyonema silesiacum (NADED 110005) algae_taxa_id=3762
6.000000000
cema_id=131427, cemaat_id=3597231
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Karayevia clevei (NADED 125001) algae_taxa_id=3784
1.000000000
cema_id=131427, cemaat_id=3597288
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Luticola goeppertiana (NADED 130006) algae_taxa_id=3791
49.000000000
cema_id=131427, cemaat_id=3597303
added on: 10/19/2009 4:11:00 PM, modified on: 3/24/2010 2:40:00 PM

Luticola ventricosa (NADED 130003) algae_taxa_id=3788
3.000000000
cema_id=131427, cemaat_id=3597341
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Planothidium frequentissimum (NADED 155017) algae_taxa_id=7340
4.000000000
cema_id=131427, cemaat_id=3597442
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Planothidium rostratum (NADED 155018) algae_taxa_id=7341
2.000000000
cema_id=131427, cemaat_id=3597463
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Planothidium delicatulum (NADED 155009) algae_taxa_id=7327
2.000000000
cema_id=131427, cemaat_id=3597472
added on: 10/19/2009 4:11:00 PM, modified on: 10/20/2009 11:20:00 AM

Sellaphora laevissima (NADED 170001) algae_taxa_id=3806
1.000000000
cema_id=131427, cemaat_id=3597504
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Sellaphora seminulum (NADED 170014) algae_taxa_id=3819
1.000000000
cema_id=131427, cemaat_id=3597548
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Staurosira construens var. venter (NADED 172006) algae_taxa_id=3825
28.000000000
cema_id=131427, cemaat_id=3597614
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM
Mixture of forms. The circular-elliptical form seems to be a different taxon

Staurosira aff. construens NAWQA EAM (NADED 172009) algae_taxa_id=7262
24.000000000
cema_id=131427, cemaat_id=3597629
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM
larger forms were observed here with lanceolate shape and protruded ends

Staurosirella pinnata (NADED 175005) algae_taxa_id=3832
1.000000000
cema_id=131427, cemaat_id=3597670
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Tryblionella victoriae (NADED 185027) algae_taxa_id=3845
1.000000000
cema_id=131427, cemaat_id=3597730
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Psammothidium grischunum fo. daonensis (NADED 186002) algae_taxa_id=3853
2.000000000
cema_id=131427, cemaat_id=3597733
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Psammothidium subatomoides (NADED 186008) algae_taxa_id=3859
1.000000000
cema_id=131427, cemaat_id=3597741
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Fragilariforma virescens (NADED 192008) algae_taxa_id=3872
2.000000000
cema_id=131427, cemaat_id=3597756
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Stauroforma exiguiformis (NADED 193001) algae_taxa_id=7381
1.000000000
cema_id=131427, cemaat_id=3597758
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Diadesmis confervacea (NADED 197001) algae_taxa_id=3889
15.000000000
cema_id=131427, cemaat_id=3597795
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Diadesmis contenta (NADED 197002) algae_taxa_id=3890
3.000000000
cema_id=131427, cemaat_id=3597802
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Ctenophora pulchella (NADED 201001) algae_taxa_id=3899
1.000000000
cema_id=131427, cemaat_id=3597836
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Geissleria decussis (NADED 210003) algae_taxa_id=7472
2.000000000
cema_id=131427, cemaat_id=3597883
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Hippodonta capitata (NADED 213001) algae_taxa_id=7455
1.000000000
cema_id=131427, cemaat_id=3597899
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM

Pseudostaurosiropsis connecticutensis (NADED 2509005) algae_taxa_id=11071
7.000000000
cema_id=131427, cemaat_id=3597942
added on: 10/19/2009 4:11:00 PM, modified on: 10/19/2009 4:11:00 PM
Typical elliptical form

Counts version 2.14 - last revision 8/8/12
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