The New Spirit Lake: Changes to Hydrology, Nutrient Cycling, and Biological Productivity

Gawel, James E.; Crisafulli, Charles M.; Miller, Rich

doi:10.1007/978-1-4939-7451-1_4

Cited by 3 publications

(1 citation statement)

References 26 publications

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“…Helene (United States) in 1980 CE, which brought the virtual elimination of algae population in Lake Spirit, implied the quasi-recovery to the pre-eruptive conditions of this oligotrophic lake in approx. 30 yr (Larson et al, 2006;Gawel et al, 2018). Although it has been hypothesized that the long-term disruption of lake ecosystems can occur when biogeochemical cycling is interrupted after catastrophic volcanic events (Telford et al, 2004), few examples have been demonstrated in the literature (e. g., Barker et al, 2000).…”

Section: Main Long-term Drivers Of Trophic Status Changesmentioning

confidence: 99%

Diatom-inferred ecological responses of an oceanic lake system to volcanism and anthropogenic perturbations since 1290 CE

Vázquez‐Loureiro

Gonçalves

Sáez

et al. 2019

Palaeogeography, Palaeoclimatology, Palaeoecology

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Section: Main Long-term Drivers Of Trophic Status Changesmentioning

confidence: 99%

Diatom-inferred ecological responses of an oceanic lake system to volcanism and anthropogenic perturbations since 1290 CE

Vázquez‐Loureiro

Gonçalves

Sáez

et al. 2019

Palaeogeography, Palaeoclimatology, Palaeoecology

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Establishment and ecological integration of the New Zealand mud snail in Spirit Lake, Mount St. Helens, Washington State, USA

Myers,

Germeau,

McCann

et al. 2024

AquaInv

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Mount St. Helens National Volcanic Monument was designated by the U.S. Congress in 1982 to conserve the landscape for natural regeneration, scientific research, education, and cultural resource preservation. However, this designation has not eliminated threats from the introduction of non-native species. The non-native New Zealand mud snail (NZMS), Potamopyrgus antipodarum, was first observed in 2016 along the SW shore of Spirit Lake at the foot of Mount St. Helens, despite the lake’s closure to public recreation and isolation from other known sites harboring NZMS. Our study mapped native and non-native snails on aquatic macrophytes in Spirit Lake, analyzed NZMS eDNA in Spirit Lake and surrounding waters, measured stable isotopes in snails and their food sources, and analyzed rainbow trout (Oncorhynchus mykiss) gut contents from a twenty-year survey to examine the patterns of spatial distribution, habitat occurrence, and resource use. Our results show that NZMS colonies were likely first established along the SW shore of Spirit Lake in 2015, and presently remain largely confined to the vegetated littoral zone along this same shoreline. The native snail species Gyraulus deflectus and NZMS co-occur on multiple macrophyte species, and δ¹⁵N and δ¹³C isotope data reveal they are consuming the same food sources, but no evidence was seen for competitive exclusion. The abundance and frequency of NZMS found in rainbow trout gut contents have increased since 2015 with a significant portion undigested. In addition, stable isotope analysis shows a negligible trophic tie between snails (both NZMS and G. deflectus) and rainbow trout, which may signal longer-term impacts on fish populations. Characterizing this invasion spatially and temporally elucidates the factors facilitating and hindering the spread of NZMS in a relatively young and dynamic subalpine lake ecosystem closed to public recreation, and may inform current and future management decisions.

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Contribution of Log Mat Periphyton to Benthic Productivity at Spirit Lake, Mount St. Helens National Volcanic Monument, WA, USA

Shinneman,

Fox-Dobbs,

Sevier

et al. 2024

Northwest Science

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The New Spirit Lake: Changes to Hydrology, Nutrient Cycling, and Biological Productivity

Cited by 3 publications

References 26 publications

Diatom-inferred ecological responses of an oceanic lake system to volcanism and anthropogenic perturbations since 1290 CE

Diatom-inferred ecological responses of an oceanic lake system to volcanism and anthropogenic perturbations since 1290 CE

Establishment and ecological integration of the New Zealand mud snail in Spirit Lake, Mount St. Helens, Washington State, USA

Contribution of Log Mat Periphyton to Benthic Productivity at Spirit Lake, Mount St. Helens National Volcanic Monument, WA, USA

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The New Spirit Lake: Changes to Hydrology, Nutrient Cycling, and Biological Productivity

Cited by 3 publications

References 26 publications

Diatom-inferred ecological responses of an oceanic lake system to volcanism and anthropogenic perturbations since 1290 CE

Diatom-inferred ecological responses of an oceanic lake system to volcanism and anthropogenic perturbations since 1290 CE

Establishment and ecological integration of the New Zealand mud snail in Spirit Lake, Mount St. Helens, Washington State, USA

Contribution of Log Mat Periphyton to Benthic Productivity at Spirit Lake, Mount St. Helens National Volcanic Monument, WA, USA

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Diatom-inferred ecological responses of an oceanic lake system to volcanism and anthropogenic perturbations since 1290 CE

Diatom-inferred ecological responses of an oceanic lake system to volcanism and anthropogenic perturbations since 1290 CE