Annual Reports 2020-2029

View or download the entire contents of the 2021 Annual Report.

54th Annual Report CONTENTS

Title

Author(s)

page

Introduction

W.N. Harman

1

ONGOING STUDIES:

OTSEGO LAKE WATERSHED MONITORING:

Otsego Lake limnological monitoring, 2021.

H.A. Waterfield & M.F. Albright

11

A survey of Otsego Lake's zooplankton community, summer 2021.

M.F. Albright

22

Water quality monitoring of the five major tributaries to Otsego Lake, New York 2021 results update.

H. A. Waterfield and J. Gifford-Neubauer

38

SUSQUEHANNA RIVER MONITORING:
Water quality of the Upper Susquehanna River, summer 2021. A. Hage 52

REPORTS:

Survey of hemlock wooly adelgid beetles on Otsego Land Trust properties. S. Brabant, R. Cozine, and C. Tarlen 61
Changes in the diversity and abundance of underwater plants in Otsego Lake since 1935. W.N. Harman and J. Gifford-Neubauer 69
Bathymetric survey in the vicinity of the Susquehanna River and Cherry Valley Creek confluence, Town of Milford, Otsego County, NY. H.A. Waterfield and B. Guerrero 74
Discharge and suspended sediment load estimation at ungauged turbidity monitoring sites. L. Hasbargen and R. Cozine 79
A 15-year survey of parasites of yellow perch (Perca flavescens) from Otsego and Canadarago Lakes. F. Reyda, K. Silvester, A. Hidalgo, A. Loscerbo, Y. Salinas and T. Pokorny 102
Invasive rusty crayfish in the Upper Susquehanna River watershed. A. Hage and D. Stich 108
Fish diversity surveys of the Upper Susquehanna watershed. A. Hage and D. Stich 113
Changes in the macrobenthic invertebrate community in Otsego Lake between 1968 and 2021 by documentation of the percent biomass of major invertebrate taxa. W.N. Harman and J. Gifford-Neubauer 118
Changes in the diversity and character of the molluscan community in Otsego Lake between 1968 and 2021. W.N. Harman 135
Pearly mussel survey of Crane Brook at Port Byron, NY. P.H. Lord and B. Guerrero 142
Continued annual monitoring of Moe Pond, 2021. J.D. Skelton 152
Survey of macrofungi on Otsego Land Trust properties, Otsego County, NY. S. Brabant and J. Heilveil 161
Assessing the spawning run of rainbow smelt (Osmerus mordax) in Otsego Lake. J.D. Skelton and C.F. Cotton 168
Detection of estrogenic compounds throughout the wastewater treatment process: Collection and analysis of water samples. C. Tarlen 183
Glyphosate in the Upper Susquehanna River basin stream network: 2021 snapshot. H.A. Waterfield 189
Trap net monitoring in the weedy littoral zone at Rat Cove and rocky littoral zone of Brookwood Point, Otsego Lake, 2021. J.D. Skelton 193
Fishes of Otsego Lake: Update C.F. Cotton 199
Monitoring the effectiveness of the Cooperstown wastewater treatment wetland, 2021. M.F. Albright 201
A geospatial inventory of Otsego Lake tributaries with comments on relevant landmarks. C.F. Cotton, W.N. Harman, M.F. Albright and H.A. Waterfield 210

View or download the entire contents of the 2020 Annual Report.

53rd Annual Report CONTENTS

Title

Author(s)

page

Introduction

W.N. Harman

1

ONGOING STUDIES:

OTSEGO LAKE WATERSHED MONITORING:

2020 Otsego Lake water levels.

E. Irwin & M.F. Albright

7

Otsego Lake limnological monitoring, 2020.

H.A. Waterfield & M.F. Albright

10

A survey of Otsego Lake's zooplankton community, summer 2020.

M.F. Albright

21

Water quality monitoring of the five major tributaries to Otsego Lake, New York 2020 results update.

H. A. Waterfield

37

REPORTS:

Quagga mussel (Dreissena rostriformis bugensis) establishment in Otsego Lake, 2020. S. Coney 51
The ever-changing lake trout fishery of Otsego Lake (2020 update). S.M. Wells and C.J. Clark 57
Parasitological data to enhance the study of lakes: The examples of Otsego Lake and Oneida Lake. F. Reyda 70

P. perfoliatus x P. richardsonii Cooper’s hybrid pondweed: Impact on Otsego Lake 2020.

M. Keefe 80
Diel variation in electrofishing surveys in Otsego Lake. C.F. Cotton and M.P. Von Haugg 107
Demographics of the landlocked rainbow smelt (Osmerus mordax) spawning run in Otsego Lake. R. Beres and C.F. Cotton 115
White sucker (Catostomus commersoni) spawning site fidelity in Otsego Lake tributaries. R. Nellis and C.F. Cotton 126
Monitoring the effectiveness of the Cooperstown wastewater treatment wetland, 2020. M.F. Albright 134
Preliminary sampling for investigating age structure and parity of American shad (Alosa sapidissima) in the Upper Delaware River. M.J. Best, D.S. Stich and J. Heilveil 143
Trophic driven areal hypolimnetic oxygen deficits (AHOD) in Otsego Lake, 1969-2020. M.F. Albright, W.N. Harman, H.A. Waterfield and D.S. Stich 155
Methods development for detection of contaminants of emerging concern in freshwaters: Collection and analysis of water samples. H.A. Waterfield 164
OTSEGO LAKE PERSPECTIVES:
Long-term trends in chloride concentrations in Otsego Lake from 1925 to 2020. M.F. Albright 170
Trends in recreational watercraft use in Otsego Lake since 1975. W.N. Harman and H.A. Waterfield 173

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