Robert Jacobson - Academia.edu (original) (raw)
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Papers by Robert Jacobson
PLOS ONE, Apr 29, 2022
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Fact sheet /, 2016
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Environmental Biology of Fishes
We released nearly 1.0 million 1-day post-hatch (dph) and 5-dph pallid sturgeon (Scaphirhynchus a... more We released nearly 1.0 million 1-day post-hatch (dph) and 5-dph pallid sturgeon (Scaphirhynchus albus) free embryos in the Missouri River on 1 July 2019 and sequentially captured survivors at multiple sites through a 240-km river reach to quantify daily growth and survival rates during the early life stages. Genetic analysis was used to assign captured fish to released family lots and known ages. Growth rate was similar (0.74–0.75 mm day−1) between the 1- and 5-dph age groups during the 3–4-day dispersal period when water temperature averaged 16.8 °C. Daily survival rate was 0.64 during 1–4 dph for the original 1-dph age group and 0.80 during 5–7 dph for the original 5-dph age group. Total survival during free embryo dispersal (hatch to 9 dph) was estimated as 0.0437. The transition from dispersing as free embryos to settling as benthic larvae was verified for fish originally released as 5 dph. Growth of settled larvae was quantified with a Gompertz model through 75 dph (9 September...
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Scientific Investigations Report, 2021
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Scientific Investigations Report, 2009
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Scientific Investigations Report, 2019
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Acta Carsologica, 2016
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Open-File Report, 1987
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Circular, 2013
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Open-File Report, 2012
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Data Series, 2018
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Open-File Report, 1987
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Open-File Report, 2017
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Open-File Report, 2018
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Open-File Report, 2007
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Scientific Investigations Report, 2016
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Open-File Report, 2015
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Open-File Report, 2016
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Biological Science Report, 2001
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Open-File Report, 2015
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PLOS ONE, Apr 29, 2022
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Fact sheet /, 2016
Bookmarks Related papers MentionsView impact
Environmental Biology of Fishes
We released nearly 1.0 million 1-day post-hatch (dph) and 5-dph pallid sturgeon (Scaphirhynchus a... more We released nearly 1.0 million 1-day post-hatch (dph) and 5-dph pallid sturgeon (Scaphirhynchus albus) free embryos in the Missouri River on 1 July 2019 and sequentially captured survivors at multiple sites through a 240-km river reach to quantify daily growth and survival rates during the early life stages. Genetic analysis was used to assign captured fish to released family lots and known ages. Growth rate was similar (0.74–0.75 mm day−1) between the 1- and 5-dph age groups during the 3–4-day dispersal period when water temperature averaged 16.8 °C. Daily survival rate was 0.64 during 1–4 dph for the original 1-dph age group and 0.80 during 5–7 dph for the original 5-dph age group. Total survival during free embryo dispersal (hatch to 9 dph) was estimated as 0.0437. The transition from dispersing as free embryos to settling as benthic larvae was verified for fish originally released as 5 dph. Growth of settled larvae was quantified with a Gompertz model through 75 dph (9 September...
Bookmarks Related papers MentionsView impact
Scientific Investigations Report, 2021
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Scientific Investigations Report, 2009
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Scientific Investigations Report, 2019
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Acta Carsologica, 2016
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Open-File Report, 1987
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Circular, 2013
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Open-File Report, 2012
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Data Series, 2018
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Open-File Report, 1987
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Open-File Report, 2017
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Open-File Report, 2018
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Open-File Report, 2007
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Scientific Investigations Report, 2016
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Open-File Report, 2015
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Open-File Report, 2016
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Biological Science Report, 2001
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Open-File Report, 2015
Bookmarks Related papers MentionsView impact