Aaron DeLonay
Aaron is an Ecologist at the Columbia Environmental Research Center.
Science and Products
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Filter Total Items: 56
Ecological requirements for pallid sturgeon reproduction and recruitment in the Lower Missouri River: Annual report 2010 Ecological requirements for pallid sturgeon reproduction and recruitment in the Lower Missouri River: Annual report 2010
The Comprehensive Sturgeon Research Project is a multiyear, multiagency collaborative research framework developed to provide information to support pallid sturgeon recovery and Missouri River management decisions. The project strategy integrates field and laboratory studies of sturgeon reproductive ecology, early life history, habitat requirements, and physiology. The project scope of...
Authors
Aaron J. DeLonay, Robert B. Jacobson, Diana M. Papoulias, Mark L. Wildhaber, Kimberly A. Chojnacki, Emily K. Pherigo, Justin D. Haas, Gerald E. Mestl
Identifying structural elements needed for development of a predictive life-history model for pallid and shovelnose sturgeons Identifying structural elements needed for development of a predictive life-history model for pallid and shovelnose sturgeons
Intensive management of the Missouri and Mississippi Rivers has resulted in dramatic changes to the river systems and their biota. These changes have been implicated in the decline of the pallid sturgeon (Scaphirhynchus albus), which has been listed as a United States federal endangered species. The sympatric shovelnose sturgeon (S. platorynchus) is more common and widespread but has...
Authors
Mark L. Wildhaber, A. J. DeLonay, D. M. Papoulias, D.L. Galat, R. B. Jacobson, D.G. Simpkins, P.J. Braaten, C. E. Korschgen, M. J. Mac
Fish and chips? Implanted transmitters help map the endangered pallid sturgeon Fish and chips? Implanted transmitters help map the endangered pallid sturgeon
With a flattened snout, long slender tail and rows of bony plates lining its body, the pallid sturgeon (Scaphirhynchus albus) has a unique, almost pre-historic, appearance. This endangered fish is native to the muddy, free-flowing waters of the Missouri River.
Authors
Kimberly Chojnacki, Aaron DeLonay
Discrete choice modeling of shovelnose sturgeon habitat selection in the Lower Missouri River Discrete choice modeling of shovelnose sturgeon habitat selection in the Lower Missouri River
Substantive changes to physical habitat in the Lower Missouri River, resulting from intensive management, have been implicated in the decline of pallid (Scaphirhynchus albus) and shovelnose (S. platorynchus) sturgeon. To aid in habitat rehabilitation efforts, we evaluated habitat selection of gravid, female shovelnose sturgeon during the spawning season in two sections (lower and upper)...
Authors
T.W. Bonnot, Mark L. Wildhaber, J.J. Millspaugh, Aaron J. DeLonay, Robert B. Jacobson, J.L. Bryan
Characterization of environmental cues for initiation of reproductive cycling and spawning in shovelnose sturgeon Scaphirhynchus platorynchus in the Lower Missouri River, USA Characterization of environmental cues for initiation of reproductive cycling and spawning in shovelnose sturgeon Scaphirhynchus platorynchus in the Lower Missouri River, USA
We presume that the shovelnose sturgeon (Scaphirhynchus platorynchus) has evolved to spawn in the springtime when environmental conditions are at some optimum, but this state has not yet been defined. In this study physiological readiness to spawn in shovelnose sturgeon was examined to define more closely when spawning could occur and thus identify and evaluate prevailing environmental...
Authors
D. M. Papoulias, A. J. DeLonay, M.L. Annis, M. L. Wildhaber, D. E. Tillitt
Evaluating spawning migration patterns and predicting spawning success of shovelnose sturgeon in the Lower Missouri River Evaluating spawning migration patterns and predicting spawning success of shovelnose sturgeon in the Lower Missouri River
Approaches using telemetry, precise reproductive assessments, and surgically implanted data storage tags (DSTs) were used in combination with novel applications of analytical techniques for fish movement studies to describe patterns in migratory behavior and predict spawning success of gravid shovelnose sturgeon. From 2004 to 2007, over 300 gravid female shovelnose sturgeon...
Authors
M. L. Wildhaber, S. H. Holan, G. M. Davis, D. W. Gladish, A. J. DeLonay, D. M. Papoulias, D. K. Sommerhauser
Science and Products
Filter Total Items: 42
No results found.
Filter Total Items: 56
Ecological requirements for pallid sturgeon reproduction and recruitment in the Lower Missouri River: Annual report 2010 Ecological requirements for pallid sturgeon reproduction and recruitment in the Lower Missouri River: Annual report 2010
The Comprehensive Sturgeon Research Project is a multiyear, multiagency collaborative research framework developed to provide information to support pallid sturgeon recovery and Missouri River management decisions. The project strategy integrates field and laboratory studies of sturgeon reproductive ecology, early life history, habitat requirements, and physiology. The project scope of...
Authors
Aaron J. DeLonay, Robert B. Jacobson, Diana M. Papoulias, Mark L. Wildhaber, Kimberly A. Chojnacki, Emily K. Pherigo, Justin D. Haas, Gerald E. Mestl
Identifying structural elements needed for development of a predictive life-history model for pallid and shovelnose sturgeons Identifying structural elements needed for development of a predictive life-history model for pallid and shovelnose sturgeons
Intensive management of the Missouri and Mississippi Rivers has resulted in dramatic changes to the river systems and their biota. These changes have been implicated in the decline of the pallid sturgeon (Scaphirhynchus albus), which has been listed as a United States federal endangered species. The sympatric shovelnose sturgeon (S. platorynchus) is more common and widespread but has...
Authors
Mark L. Wildhaber, A. J. DeLonay, D. M. Papoulias, D.L. Galat, R. B. Jacobson, D.G. Simpkins, P.J. Braaten, C. E. Korschgen, M. J. Mac
Fish and chips? Implanted transmitters help map the endangered pallid sturgeon Fish and chips? Implanted transmitters help map the endangered pallid sturgeon
With a flattened snout, long slender tail and rows of bony plates lining its body, the pallid sturgeon (Scaphirhynchus albus) has a unique, almost pre-historic, appearance. This endangered fish is native to the muddy, free-flowing waters of the Missouri River.
Authors
Kimberly Chojnacki, Aaron DeLonay
Discrete choice modeling of shovelnose sturgeon habitat selection in the Lower Missouri River Discrete choice modeling of shovelnose sturgeon habitat selection in the Lower Missouri River
Substantive changes to physical habitat in the Lower Missouri River, resulting from intensive management, have been implicated in the decline of pallid (Scaphirhynchus albus) and shovelnose (S. platorynchus) sturgeon. To aid in habitat rehabilitation efforts, we evaluated habitat selection of gravid, female shovelnose sturgeon during the spawning season in two sections (lower and upper)...
Authors
T.W. Bonnot, Mark L. Wildhaber, J.J. Millspaugh, Aaron J. DeLonay, Robert B. Jacobson, J.L. Bryan
Characterization of environmental cues for initiation of reproductive cycling and spawning in shovelnose sturgeon Scaphirhynchus platorynchus in the Lower Missouri River, USA Characterization of environmental cues for initiation of reproductive cycling and spawning in shovelnose sturgeon Scaphirhynchus platorynchus in the Lower Missouri River, USA
We presume that the shovelnose sturgeon (Scaphirhynchus platorynchus) has evolved to spawn in the springtime when environmental conditions are at some optimum, but this state has not yet been defined. In this study physiological readiness to spawn in shovelnose sturgeon was examined to define more closely when spawning could occur and thus identify and evaluate prevailing environmental...
Authors
D. M. Papoulias, A. J. DeLonay, M.L. Annis, M. L. Wildhaber, D. E. Tillitt
Evaluating spawning migration patterns and predicting spawning success of shovelnose sturgeon in the Lower Missouri River Evaluating spawning migration patterns and predicting spawning success of shovelnose sturgeon in the Lower Missouri River
Approaches using telemetry, precise reproductive assessments, and surgically implanted data storage tags (DSTs) were used in combination with novel applications of analytical techniques for fish movement studies to describe patterns in migratory behavior and predict spawning success of gravid shovelnose sturgeon. From 2004 to 2007, over 300 gravid female shovelnose sturgeon...
Authors
M. L. Wildhaber, S. H. Holan, G. M. Davis, D. W. Gladish, A. J. DeLonay, D. M. Papoulias, D. K. Sommerhauser