Constructed Impoundments in the Floodplain: A Source or Sink for Native Prairie Fishes, in Particular the Endangered Topeka Shiner (<i>Notropis Topeka</i>)?

Thomson, Sheila K.; Berry, Charles R.; Niehus, C.A.; Wall, Steven S.

doi:10.1061/40763(178)112

Cited by 3 publications

(3 citation statements)

References 5 publications

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“…Since OCH are similar to pool habitats during droughts, Topeka Shiners are probably adapted to conditions typical of OCH. Topeka Shiners cannot only survive in OCH, they can also reproduce in these habitats as has been documented at two OCH sites by us and others (Dahle 2001;Thomson et al 2005). This research provides further evidence that OCH is an important component of Topeka Shiner life history.…”

Section: Discussionsupporting

confidence: 77%

Habitat, Fish Species, and Fish Assemblage Associations of the Topeka Shiner in West‐Central Iowa

Bakevich

Pierce

Quist

2013

N American J Fish Manag

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Our goal was to identify habitat, fish species, and fish assemblages associated with the occurrence of Topeka Shiners Notropis topeka in stream and off-channel habitat (OCH) of west-central Iowa. Fish assemblages and habitat characteristics were estimated in 67 stream and 27OCHsites during 2010-2011. Topeka Shiners were sampled in 52% of OCH sites, but in only 9% of stream sites, which supports the hypothesis that OCH is an important component of their life history. Fish assemblages containing Topeka Shiners were different from those that did not contain Topeka Shiners in OCH sites, but this was not evident in stream sites. Results from logistic regression models suggested that Topeka Shiner presence was associated with increased submerged vegetation and abundance of Fathead Minnow Pimephales promelas. Contrary to the findings of other studies, the abundance of large piscivorous fishes was not associated with the occurrence of Topeka Shiners. Our results provide new information about the biology and life history of the Topeka Shiner that will guide habitat restoration and other recovery efforts. KeywordsTopeka Shiner, Notropis topeka, piscivorous, off-channel habitat RightsWorks produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted. AbstractOur goal was to identify habitat, fish species, and fish assemblages associated with the occurrence of Topeka Shiners Notropis topeka in stream and off-channel habitat (OCH) of west-central Iowa. Fish assemblages and habitat characteristics were estimated in 67 stream and 27 OCH sites during 2010-2011. Topeka Shiners were sampled in 52% of OCH sites, but in only 9% of stream sites, which supports the hypothesis that OCH is an important component of their life history. Fish assemblages containing Topeka Shiners were different from those that did not contain Topeka Shiners in OCH sites, but this was not evident in stream sites. Results from logistic regression models suggested that Topeka Shiner presence was associated with increased submerged vegetation and abundance of Fathead Minnow Pimephales promelas. Contrary to the findings of other studies, the abundance of large piscivorous fishes was not associated with the occurrence of Topeka Shiners. Our results provide new information about the biology and life history of the Topeka Shiner that will guide habitat restoration and other recovery efforts.

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Section: Discussionsupporting

confidence: 77%

Habitat, Fish Species, and Fish Assemblage Associations of the Topeka Shiner in West‐Central Iowa

Bakevich

Pierce

Quist

2013

N American J Fish Manag

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“…Since off-channel habitats are similar to pool habitats during droughts, Topeka shiners are likely adapted to conditions typical of offchannel habitats. Topeka shiner can not only survive in off-channel habitats, but reproduction was documented at two off-channel sites during our study and by others (Thomson et al 2005). This research provides further evidence that off-channel habitats are an important component of Topeka shiner life history.…”

Section: Discussionsupporting

confidence: 83%

Status, distribution, and habitat associations of Topeka Shiners in west-central Iowa

Bakevich

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Quist for their guidance and instruction. Their expertise in scientific research, writing, and communication was invaluable to this project and to my growth as a student and fisheries professional. Much thanks also to Dr. Philip Dixon, who served on my committee and provided valuable insight. This project would not have been possible without the faculty, staff, and students of Iowa State University, the Department of Natural Resources, and the Iowa Cooperative Fish and Wildlife Research Unit. I would like to thank fellow graduate students Michael Colvin, Jesse Fischer, Timothy Parks, Tony Sindt, for their contributions to this project and my overall experience in Iowa. Without them, I would have never realized the awesomeness of Program R, shot my first goose, played drums in a rock band, or discovered the joy of sitting silently in a tree stand, respectively. I would next like to thank my family for their unwavering support and encouragement. I would especially like to thank my wife, Jennifer, for leaving mountains of Montana to follow her future husband to the flatlands of Iowa. I would never have made it through this experience without her love, understanding, and friendship. Lastly, I would like to dedicate this thesis to the memory of my grandfather, George Bakevich Sr., who took me fishing before I learned how to walk. Because of him, I grew up to appreciate the beauty, complexity, and value of watery places.

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“…At the time of its federal listing as an endangered species in 1998, the Topeka Shiner was thought to only occupy 20% of its historical range, and many populations were in decline [29]. Following their listing, Topeka Shiners were found to frequently use off-channel habitats such as cattle ponds and oxbows [31][32][33][34][35][36][37][38]. It is possible that Topeka Shiners use these habitats as nurseries, and their tolerance of warm water temperatures, low dissolved oxygen concentrations, and shallow depths afford the species a competitive advantage in off-channel habitats during prolonged periods of isolation from the stream channel [39].…”

Section: Introductionmentioning

confidence: 99%

The Development of a GIS Methodology to Identify Oxbows and Former Stream Meanders from LiDAR-Derived Digital Elevation Models

et al. 2018

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Anthropogenic development of floodplains and alteration to natural hydrological regimes have resulted in extensive loss of off-channel habitat. Interest has grown in restoring these habitats as an effective conservation strategy for numerous aquatic species. This study developed a process to reproducibly identify areas of former stream meanders to assist future off-channel restoration site selections. Three watersheds in Iowa and Minnesota where off-channel restorations are currently being conducted to aid the conservation of the Topeka Shiner (Notropis topeka) were selected as the study area. Floodplain depressions were identified with LiDAR-derived digital elevation models, and their morphologic and topographic characteristics were described. Classification tree models were developed to distinguish relic streams and oxbows from other landscape features. All models demonstrated a strong ability to distinguish between target and non-target features with area under the receiver operator curve (AUC) values ≥ 0.82 and correct classification rates ≥ 0.88. Solidity, concavity, and mean height above channel metrics were among the first splits in all trees. To compensate for the noise associated with the final model designation, features were ranked by their conditional probability. The results of this study will provide conservation managers with an improved process to identify candidate restoration sites.

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Constructed Impoundments in the Floodplain: A Source or Sink for Native Prairie Fishes, in Particular the Endangered Topeka Shiner (Notropis Topeka)?

Cited by 3 publications

References 5 publications

Habitat, Fish Species, and Fish Assemblage Associations of the Topeka Shiner in West‐Central Iowa

Habitat, Fish Species, and Fish Assemblage Associations of the Topeka Shiner in West‐Central Iowa

Status, distribution, and habitat associations of Topeka Shiners in west-central Iowa

The Development of a GIS Methodology to Identify Oxbows and Former Stream Meanders from LiDAR-Derived Digital Elevation Models

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