Summer Phytoplankton Communities in Productive Ohio Reservoirs

EDPECBP WAP 4

EDP & WAP ECBP 5

Reservoir Maximum Chlorophyll Secchi TN TPEcoregion Reservoir Area Depth n a Depth N:P (µg/L) (µg/L) (hectares) (m) (µg/L) (m) Buckeye 1153 4 5 97.1 0.43 1544 67 30 Caesar Creek 1055 30 3 51.5 0.91 3370 47 85 Deer Creek Lake 522 11 2 18.4 1.35 3100 81 39 Griggs 157 6 2 39.6 0.8 5225 83 50Eastern Hargus 53 12 1 24.8 1.1 1120 40 28Corn Belt Kiser 159 4 3 53.8 0.82 813 63 12 Loramie 341 2 3 61.4 0.16 4460 632 19Plains Madison 40 1 1 48 0.38 4110 86 48 Metzger 65 13 3 25 1.07 2907 31 91 OShaughnessy 369 12 3 45.2 0.61 5253 80 51 Mean 391 10 46 0.76 3190 121 45 Dale Walborn 271 9 3 54.6 0.61 1163 38 31 Deer Creek Reservoir 135 5 5 31.6 0.64 892 37 27Erie Drift East Branch 163 5 1 168 0.43 940 77 12 LaDue 597 6 1 55.4 0.8 1850 29 64Plain Rockwell 337 9 1 36.6 0.73 840 76 11 Mean 301 7 69 0.64 1137 51 29 Barnesville 19 10 7 10.4 1.93 474 19 55 Beaver Creek 45 9 4 22 1.29 1810 12 229 Caldwell 4 6 1 3.6 1.93 590 10 59 Maysville 18 - 1 4 5 540 5 108Western Pike 5 9 1 4 1.2 500 5 100Allegheny Stewart 4 8 1 11.1 1.91 420 5 84 Timbre Ridge 39 11 1 1.9 2.5 150 5 30Plateau Vesuvius 58 8 3 8.1 0.53 317 15 24 White 135 7 1 2.2 0.2 - 15 - Woodsfield 3 - 2 25.4 1.31 410 18 24 Mean 33 8 9 1.78 579 11 79 8

Anabaena flos-aquae Aphanizomenon sp.Cylindrospermopsis raciborskii Planktothrix agardhii 9

Non N-Fixing Cyanobacteria N-Fixing Cyanobacteria Bacillariophyta Other Eastern Corn Belt Plains Buckeye (13 Aug 2009) Buckeye (08 Oct 2009) Griggs (31 Aug 2010) Kiser (09 Jul 2009) _ Agricultural Kiser (23 Sep 2010) x=1 Loramie (05 Aug 2009) Loramie (15 Sep 2010) Metzger (16 Sep 2010) 9 OShaughnessy (12 Aug 2009) OShaughnessy (01 Sep 2010) Dale Walborn (10 Jul 2008) 1711 Dale Walborn (24 Jul 2008) 3500 Dale Walborn (20 Aug 2008) 3921 _ Erie Drift Plain Deer Creek Reservoir (10 Jul 2008) 688 Deer Creek Reservoir (24 Jul 2008) 2781 x=1733 Deer Creek Reservoir (30 Jul 2008) 3306 Deer Creek Reservoir (20 Aug 2008) 2005 Deer Creek Reservoir (10 Sep 2008) 134 East Branch (08 Sep 2010) 535 LaDue (08 Sep 2010) 321 Forested Rockwell (07 Sep 2010) 160 Western Allegheny Plateau Barnesville Reservoirs (25 Aug 2009) Barnesville Reservoirs (25 Aug 2009) 40 _ Barnesville Reservoirs (26 Aug 2009) Barnesville Reservoirs (28 Sep 2010) 279 227 x=68 Beaver Creek (02 Sep 2009) 51 Beaver Creek (23 Sep 2010) Maysville (01 Sep 2009) Vesuvius (21 Sep 2010) * Woodsfield (29 Sep 2010) 17 0.00E+00 5.00E+06 1.00E+07 1.50E+07 2.00E+07 2.50E+07Numbers indicate heterocysts per mL. Mean heterocysts are also shown. 3/mL)*denotes values in this sample are 10 times higher than displayed Absolute Biovolume (µm 8

Non N-Fixing Cyanobacteria N-Fixing Cyanobacteria Bacillariophyta Other Eastern Corn Belt Plains Buckeye (13 Aug 2009) Buckeye (08 Oct 2009) Griggs (31 Aug 2010) Kiser (09 Jul 2009)Agricultural Kiser (23 Sep 2010) Loramie (05 Aug 2009) Loramie (15 Sep 2010) Metzger (16 Sep 2010) OShaughnessy (12 Aug 2009) OShaughnessy (01 Sep 2010) Dale Walborn (10 Jul 2008) Dale Walborn (24 Jul 2008) Dale Walborn (20 Aug 2008) Erie Drift Plain Deer Creek Reservoir (10 Jul 2008) Deer Creek Reservoir (24 Jul 2008) Deer Creek Reservoir (30 Jul 2008) Deer Creek Reservoir (20 Aug 2008) Deer Creek Reservoir (10 Sep 2008) East Branch (08 Sep 2010) LaDue (08 Sep 2010)Forested Rockwell (07 Sep 2010) Western Allegheny Plateau Barnesville Reservoirs (25 Aug 2009) Barnesville Reservoirs (25 Aug 2009) Barnesville Reservoirs (26 Aug 2009) Barnesville Reservoirs (28 Sep 2010) Beaver Creek (02 Sep 2009) Beaver Creek (23 Sep 2010) Maysville (01 Sep 2009) Vesuvius (21 Sep 2010) Woodsfield (29 Sep 2010) 0% 20% 40% 60% 80% 100% 9

Conductivity TNTSS TP Secchi Depth 11

Summer Phytoplankton Communities in Productive Ohio Reservoirs

by Ohio Environmental Council on Jun 05, 2012

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Summer Phytoplankton Communities in Productive Ohio Reservoirs Presentation Transcript