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146 results on '"Allen, Dennis M."'

1. Long-term dynamics of larval and early juvenile spot (Leiostomus xanthurus) off the U.S. East Coast: relating ocean origins, estuarine ingress, and changing environmental conditions

Author

Allen, Dennis M., Govoni, John J., Able, Kenneth W., Buckel, Jeffrey A., Hale, Edward A., Hilton, Eric J., Kellison, G. Todd, Targett, Timothy E., Taylor, J. Christopher, and Walsh, Harvey J.

Subjects
Estuaries, Fishes, Ocean, Environmental quality, Natural resources -- North Atlantic Ocean -- South Carolina -- North Carolina -- Virginia -- Gulf of Mexico -- New Jersey -- Rhode Island, Zoology and wildlife conservation
Abstract

The spot (Leistomus xanthurus) is among the most abundant demersal fish species in the estuaries of the Atlantic and Gulf coasts of the United States and in the coastal ocean. [...]

Published
2024
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2. Title Page, Copyright

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

3. Preface

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

4. Contents

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

5. Acknowledgments

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

9. Hydrozoans

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

10. Quick Picks

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

18. Rotifers

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

23. Fish Larvae

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

28. Glossary

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

30. Literature Cited

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

31. Index

Author

Johnson, William S., Allen, Dennis M., and Fylling, Marni

Published
2012

36. Long-term increase in copepod community body size in a temperate estuary over a 40-year times series.

Author

Mallick, Nayan, Allen, Dennis M, and Stone, Joshua P

Subjects
*ACARTIA, *BODY size, *LUNAR phases, *TIME series analysis, *BIOMASS
Abstract

We investigated long-term changes in copepod community body size in a temperate estuary in the Southeastern United States. Mesozooplankton samples were collected twice each lunar cycle from 1981 to 2020 during the months of March to July. We found strong evidence for a long-term increase in body size, likely driven by shifts in species composition, with the most rapid increase occurring during the most recent decade (2011–2020). Between the 1980s and 2010s, we documented an increase in the proportion of Oithona spp. (small species) and Acartia tonsa and Pseudodiaptomus pelagicus (large species) and decreased proportion of Parvocalanus crassirostris (small species). Temperature was inversely related with monthly mean body size, potentially driving the seasonal shifts in size, but was not correlated with the observed long-term trend. We detected strong seasonality in the normalized biomass size spectra slope, but the slope for each month did not vary interannually with changes in temperature. Overall, our study showed a long-term increase in copepod community body size that was not directly linked to changes in temperature but instead to changes in species composition. [ABSTRACT FROM AUTHOR]

Published
2024
Full Text
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