Dam busy: beavers and their influence on the structure and function of river corridor hydrology, geomorphology, biogeochemistry and ecosystems

Larsen, Annegret; Lane, Stuart N.; Larsen, Joshua

doi:10.31223/x5b59n

Cited by 3 publications

(2 citation statements)

References 249 publications

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“…Beavers are ecosystem engineers that build dams across and alongside rivers (Brazier et al, 2020; Larsen et al, 2020). These wood accumulations increase the storage of water, sediment, organic matter and nutrients on floodplains, and thus have several ecological benefits (Wohl, 2013; Bouwes et al, 2016; Macfarlane et al, 2017).…”

Section: Beaver Dams In the Tualatin Basin Oregonmentioning

confidence: 99%

A systematic approach and software for the analysis of point patterns on river networks

Schwanghart

Molkenthin

Scherler

2021

Earth Surf Processes Landf

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Many geomorphic phenomena such as bank failures, landslide dams, riffle‐pool sequences and knickpoints can be modelled as spatial point processes. However, as the locations of these phenomena are constrained to lie on or alongside rivers, their analysis must account for the geometry and topology of river networks. Here, we introduce a new numeric class in TopoToolbox called Point Pattern on Stream networks (PPS), which supports exploratory analysis, statistical modelling, simulation and visualization of point processes. We present three case studies that aim at inferring processes and factors that control the spatial density of geomorphic phenomena along river networks: analysis of a synthetic dataset of points on a stream network, the analysis of knickpoints in river profiles, and modelling spatial locations of beaver dams based on topographic metrics. The case studies rely on exploratory analysis and statistical inference using inhomogeneous Poisson point processes. Thereby, statistical and probabilistic procedures implemented in PPS provide a systematic approach for treating and quantifying uncertainties. PPS offers a consistent numeric framework for modelling point processes on river networks with a wide range of applications in fluvial geomorphology, but also other disciplines such as ecology.

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Section: Beaver Dams In the Tualatin Basin Oregonmentioning

confidence: 99%

A systematic approach and software for the analysis of point patterns on river networks

Schwanghart

Molkenthin

Scherler

2021

Earth Surf Processes Landf

View full text Add to dashboard Cite

show abstract

“…Beavers are ecosystem engineers that build dams across and alongside rivers (Brazier et al, 2020;Larsen et al, 2020). These wood accumulations increase the storage of water, sediment, organic matter and nutrients on floodplains, and thus have several ecological benefits (Wohl, 2013;Bouwes et al, 2016;Macfarlane et al, 2017).…”

Section: Beaver Dams In the Tualatin Basin Oregonmentioning

confidence: 99%

A systematic approach and software for the analysis of point patterns on river networks

Schwanghart¹,

Molkenthin²,

Scherler³

2020

Preprint

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Many geomorphic phenomena such as bank failures, landslide dams, riffle-pool sequences and knickpoints can be modelled as spatial point processes. However, as the locations of these phenomena are constrained to lie on or alongside rivers, their analysis must account for the geometry and topology of river networks. Here, we introduce a new numeric class in TopoToolbox called Point Pattern on Stream networks (PPS), which supports exploratory analysis, statistical modelling, simulation and visualization of point processes. We present two case studies that aim at inferring processes and factors that control the spatial density of geomorphic phenomena along river networks: the analysis of knickpoints in river profiles, and modelling spatial locations of beaver dams based on topographic metrics. The case studies rely on exploratory analysis and statistical inference using inhomogeneous Poisson point processes. Thereby, statistical and probabilistic procedures implemented in PPS provide a systematic approach for treating of uncertainties. PPS provides a consistent numeric framework for modelling point processes on river networks with a wide range of applications in fluvial geomorphology, but also other disciplines such as ecology.

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Valley Bottom Inundation Patterns in Beaver-Modified Streams: A Potential Proxy for Hydrologic Inefficiency

Bartelt¹

2021

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Dam busy: beavers and their influence on the structure and function of river corridor hydrology, geomorphology, biogeochemistry and ecosystems

Cited by 3 publications

References 249 publications

A systematic approach and software for the analysis of point patterns on river networks

A systematic approach and software for the analysis of point patterns on river networks

A systematic approach and software for the analysis of point patterns on river networks

Valley Bottom Inundation Patterns in Beaver-Modified Streams: A Potential Proxy for Hydrologic Inefficiency

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