Chutes and Ladders: Drainage Exchange of Map Turtles (Genus Graptemys) Across the Tennessee-Tombigbee Waterway in Northeastern Mississippi

Berry, Gabrielle; Brown, Grover J.; Haden, Langston L.; Jones, Robin L.; Pearson, Luke; Selman, Will

doi:10.2744/ccb-1403.1

Cited by 2 publications

(11 citation statements)

References 17 publications

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“…In the adult stage four impacts were negative (reproduction, nutrition, survival, sensitivity), movement was positive [i.e. favors introduction of alien species (Berry et al, 2020)] and negative [i.e. affecting turtle movement (Bennett et al, 2010)].The impacts on genetic diversity were unknown in all three life stages.…”

Section: Resultsmentioning

confidence: 99%

“…These are factors that, together, have implications on population recruitment (Bennett et al, 2010; Buchanan et al, 2019; Gallego-García et al, 2018; Ihlow et al, 2014). The physical barriers and permanently inundated lotic environment created by dams can also favor certain species including non-native turtle species (Berry et al, 2020). Additionally, the dams could provide new potential habitat for freshwater turtles, like permanent impoundments of otherwise ephemeral streams (Stone et al, 2014), and dams providing water supply for cattle can also be used as permanent habitat by the generalist species like Actinemys marmorata [Table 3, (Germano, 2016)].…”

Section: Discussionmentioning

confidence: 99%

“…Habitat fragmentation; change in species distribution and abundances; population isolation. Bennett et al (2009); Bennett et al (2010); Bennett and Litzgus (2014); Berry et al (2020); Gaillard et al (2015); Ghaffari et al (2014); Gonzalez-Zarate et al (2011); Ihlow et al (2014); Kiesow and Warcken (2017); Melancon et al (2013); Reese and Welsh Jr (1998a); Reinertsen et al (2016); Ward et al (2013).…”

Section: Physical Barriersmentioning

confidence: 99%

“…Identification and control of introduction pathways, control and eradication of established invasive nonnative species. (Berry et al, 2020); (Koizumi et al, 2016); (Koizumi et al, 2017) Safeguard and restore freshwater connectivity System-scale infrastructure planning, dam reoperation and removal, levee repositioning, passes. Pitt et al (2021); (Ghaffari et al, 2014); (Ihlow et al, 2014); (Tucker et al, 2012); (Gaillard et al, 2015); (Ward et al, 2013)…”

Section: Prevent and Control Nonnative Species Invasions In Freshwater Habitatsmentioning

confidence: 99%

Section: Physical Barriersmentioning

confidence: 99%

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Impacts of dams on freshwater turtles: a global review to identify conservation solutions

Bárcenas-García

Michalski

Morgan

et al. 2021

Preprint

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Dams create many impacts on freshwater ecosystems and biodiversity. Freshwater turtles are at direct and indirect risk due to changes caused by damming including the loss of terrestrial and aquatic nesting and feeding habitats, changes to resource availability and reduced dispersal. We reviewed the global scientific literature that evaluated the impact of dams on freshwater turtles, and carried out additional searches of literature published in seventeen languages for studies evaluating actions to mitigate the impact of dams. The search produced 43 published articles documenting dam impacts on 29 freshwater turtle species from seven families (Chelidae, Chelydridae, Emydidae, Geoemydidae, Kinosternidae, Podocnemididae and Trionychidae) in 13 countries. More than a third of studies (41.9%, n = 18) focused on nine North American species of the Emydidae. Few studies were found from Europe and Asia and none from Africa. The number of studies, life-history stage studied and threat status differed significantly between temperate and tropical latitudes. Most studies were from temperate latitudes, where studies focused more on adults and less threatened species compared with tropical latitudes. Studies evaluated dam impacts as barriers and changes to water flow and quality, but no studies were found that assessed turtles and changes to land cover or mercury caused by dams. More than half of the studies (59%, n = 24) suggested actions to help mitigate dam impacts. Yet, only four studies on three temperate and one tropical species documented the effect of interventions (dam removal, flow management, artificial pond maintenance and community-based action). These findings demonstrate a lack of documented evidence evaluating dam impacts on freshwater turtles particularly in tropical regions. This lack of evidence reinforces the importance of strengthening and maintaining robust long-term studies of freshwater turtles needed to develop effective conservation actions for this group of vertebrates.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Physical Barriersmentioning

confidence: 99%

Section: Prevent and Control Nonnative Species Invasions In Freshwater Habitatsmentioning

confidence: 99%

Section: Physical Barriersmentioning

confidence: 99%

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Impacts of dams on freshwater turtles: a global review to identify conservation solutions

Bárcenas-García

Michalski

Morgan

et al. 2021

Preprint

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Impacts of Dams on Freshwater Turtles: A Global Review to Identify Conservation Solutions

Bárcenas-García

Michalski

Morgan

et al. 2022

Tropical Conservation Science

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Background and Research Aims Dams impact freshwater ecosystems and biodiversity. Freshwater turtles are at direct and indirect risk due to changes caused by damming including the loss of terrestrial and aquatic nesting habitats, changes to food availability, and blocking movement. Effective management of these impacts requires robust evidence in order to gain an understanding of conservation solutions that work. Methods We reviewed the global scientific literature that evaluated the impact of dams on freshwater turtles, and carried out additional searches of literature published in seventeen languages for studies evaluating actions to mitigate dam impacts. Results The search produced 47 published articles documenting dam impacts on 30 freshwater turtle species from seven families (Chelidae, Chelydridae, Emydidae, Geoemydidae, Kinosternidae, Podocnemididae, and Trionychidae) in 13 countries. Few studies were found from Europe and Asia and none from Africa. Most studies were from temperate latitudes, where studies focused more on adults and less threatened species compared with tropical latitudes. More than half of the studies (57%, n = 27) suggested actions to help mitigate dam impacts. Yet, only five studies (three temperate and two tropical) documented the effect of interventions (dam removal, flow management, artificial pond maintenance and community-based action). Conclusion These findings demonstrate a serious lack of documented evidence evaluating mitigation actions for dam impacts on freshwater turtles. Implications for Conservation This lack of evidence reinforces the importance of strengthening and maintaining robust long-term studies needed to develop effective and adaptive conservation actions for this group of threatened vertebrates particularly in tropical regions.

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Chutes and Ladders: Drainage Exchange of Map Turtles (Genus Graptemys) Across the Tennessee-Tombigbee Waterway in Northeastern Mississippi

Cited by 2 publications

References 17 publications

Impacts of dams on freshwater turtles: a global review to identify conservation solutions

Impacts of dams on freshwater turtles: a global review to identify conservation solutions

Impacts of Dams on Freshwater Turtles: A Global Review to Identify Conservation Solutions

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