Annual Reports 2020-2029

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View or download the entire contents of the 2020 Annual Report as a single file.

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. Comey 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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