Invasion versus Isolation: Trade‐Offs in Managing Native Salmonids with Barriers to Upstream Movement

Fausch, Kurt D.; Rieman, Bruce E.; Dunham, Jason B.; Young, Michael K.; Peterson, Douglas P.

doi:10.1111/j.1523-1739.2008.01159.x

Cited by 259 publications

(272 citation statements)

References 72 publications

Supporting

Mentioning

267

Contrasting

Unclassified

Order By: Relevance

“…Within that context, sizedependent survival, density-dependent growth, and dependence of growth on the interplay between temperature and food availability as well as other important life history parameters could be viewed as consequences of trophic processes. Habitat and food web approaches are compatible, and if better integrated, they could improve restoration effectiveness and possibly avoid unanticipated consequences of management actions for target species, such as habitat actions that inadvertently facilitate invasion by nonnative predators or competitors and cause unanticipated, often destructive and unwanted, changes in food webs (28,44,45). Despite the long history of research on the Columbia River and many thousands of restoration actions, there is still little information on how food webs (Fig.…”

Section: Settingmentioning

confidence: 99%

Developing a broader scientific foundation for river restoration: Columbia River food webs

Naiman

Alldredge

Beauchamp

et al. 2012

Proc. Natl. Acad. Sci. U.S.A.

Self Cite

122

100

View full text Add to dashboard Cite

Well-functioning food webs are fundamental for sustaining rivers as ecosystems and maintaining associated aquatic and terrestrial communities. The current emphasis on restoring habitat structure-without explicitly considering food webs-has been less successful than hoped in terms of enhancing the status of targeted species and often overlooks important constraints on ecologically effective restoration. We identify three priority food web-related issues that potentially impede successful river restoration: uncertainty about habitat carrying capacity, proliferation of chemicals and contaminants, and emergence of hybrid food webs containing a mixture of native and invasive species. Additionally, there is the need to place these food web considerations in a broad temporal and spatial framework by understanding the consequences of altered nutrient, organic matter (energy), water, and thermal sources and flows, reconnecting critical habitats and their food webs, and restoring for changing environments. As an illustration, we discuss how the Columbia River Basin, site of one of the largest aquatic/riparian restoration programs in the United States, would benefit from implementing a food web perspective. A food web perspective for the Columbia River would complement ongoing approaches and enhance the ability to meet the vision and legal obligations of the US Endangered Species Act, the Northwest Power Act (Fish and Wildlife Program), and federal treaties with Northwest Indian Tribes while meeting fundamental needs for improved river management.

show abstract

Section: Settingmentioning

confidence: 99%

Developing a broader scientific foundation for river restoration: Columbia River food webs

Naiman

Alldredge

Beauchamp

et al. 2012

Proc. Natl. Acad. Sci. U.S.A.

Self Cite

122

100

View full text Add to dashboard Cite

show abstract

“…Complementary measures may also be required. For example, construction of a two-way fish weir (Carbine and Shetter 1943;Whalls et al 1955) at the lower end of Bogard Spring Creek could prevent or slow repopulation by brook trout (e.g., Phinney 1975;Peterson et al 2004) yet would allow Eagle Lake rainbow trout to move upstream to spawn and juveniles to migrate downstream to Eagle Lake (Fausch et al 2009). Periodic brook trout reduction programs will also be needed (Peterson et al 2004); temporary eradication may even be possible if electrofishing is continued for at least 2-3 more years and if a barrier is constructed.…”

Section: Implications For Restoration Of Eagle Lake Rainbow Troutmentioning

confidence: 99%

Brook Trout Removal as a Conservation Tool to Restore Eagle Lake Rainbow Trout

Carmona-Catot

Moyle

Aparicio

et al. 2010

N American J Fish Manag

View full text Add to dashboard Cite

Abstract.-Nonnative brook trout Salvelinus fontinalis are abundant in Pine Creek and its main tributary, Bogard Spring Creek, California. These creeks historically provided the most spawning and rearing habitat for endemic Eagle Lake rainbow trout Oncorhynchus mykiss aquilarum. Three-pass electrofishing removal was conducted in 2007-2009 over the entire 2.8-km length of Bogard Spring Creek to determine whether brook trout removal was a feasible restoration tool and to document the life history characteristics of brook trout in a California meadow stream. After the first 2 years of removal, brook trout density and biomass were severely reduced from 15,803 to 1,192 fish/ha and from 277 to 31 kg/ha, respectively. Average removal efficiency was 92-97%, and most of the remaining fish were removed in the third year. The lack of a decrease in age-0 brook trout abundance between 2007 and 2008 after the removal of more than 4,000 adults in 2007 suggests compensatory reproduction of mature fish that survived and higher survival of age-0 fish. However, recruitment was greatly reduced after 2 years of removal and is likely to be even more depressed after the third year of removal assuming that immigration of fish from outside the creek continues to be minimal. Brook trout condition, growth, and fecundity indicated a stunted population at the start of the study, but all three features increased significantly every year, demonstrating compensatory effects. Although highly labor intensive, the use of electrofishing to eradicate brook trout may be feasible in Bogard Spring Creek and similar small streams if removal and monitoring are continued annually and if other control measures (e.g., construction of barriers) are implemented. Our evidence shows that if brook trout control measures continue and if only Eagle Lake rainbow trout are allowed access to the creek, then a self-sustaining population of Eagle Lake rainbow trout can become reestablished.

show abstract

“…Specifically, potential benefits (e.g., improved abiotic conditions and reduced competition) of movement are countered by risks or barriers to movement (e.g., predation and habitat connectivity), both of which vary by species and life history state (Albanese et al 2004;Davey and Kelly 2007;Roberts and Angermeier 2007). Studies that estimate movement can help determine the importance of connectivity in aquatic systems (Johnston 2000;Fausch et al 2009) as well as increase understanding of species' life history (e.g., Goforth and Foltz 1998;Roberts and Angermeier 2007). For example, because harsh environmental conditions in desert stream environments could be partly offset by habitat complexity and diversity of refugia, studies evaluating movement may help biologists determine the role of refugia in population persistence (Labbe and Fausch 2000;Magoulick and Kobza 2003).…”

Section: Introductionmentioning

confidence: 99%

Coarse-scale movement patterns of a small-bodied fish inhabiting a desert stream

Dzul

Quist

Dinsmore

et al. 2013

Journal of Freshwater Ecology

View full text Add to dashboard Cite

Invasion versus Isolation: Trade‐Offs in Managing Native Salmonids with Barriers to Upstream Movement

Cited by 259 publications

References 72 publications

Developing a broader scientific foundation for river restoration: Columbia River food webs

Developing a broader scientific foundation for river restoration: Columbia River food webs

Brook Trout Removal as a Conservation Tool to Restore Eagle Lake Rainbow Trout

Coarse-scale movement patterns of a small-bodied fish inhabiting a desert stream

Contact Info

Product

Resources

About