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Ecosystem metabolism in sub-Antarctic streams and rivers impacted by non-native beaver


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Created: Jun 02, 2022 at 4:58 p.m.
Last updated: Sep 07, 2022 at 5:50 p.m.
DOI: 10.4211/hs.b61e477a7d8c466f980e4473ada83341
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Sharing Status: Published
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Abstract

Paper abstract: Beavers can modify the hydrology, morphology, chemistry, and biology of ecosystems, though we have limited understanding of how beaver activity alters whole-ecosystem functions. We analyzed the effect of beaver activity and beaver dams on ecosystem metabolism in sub-Antarctic streams and rivers, where beavers are a non-native species. We characterized ecosystem metabolism (gross primary production and ecosystem respiration, GPP and ER) during 1-4 days in six streams and rivers with current beaver activity and dams (active) and three streams with no dams and no beavers (abandoned). Current beaver activity enhanced metabolism; GPP and ER were higher in sites with beaver activity than in more heterotrophic, abandoned sites. Beavers affect whole-ecosystem metabolism despite no detectable effects on physical and chemical variables in sub-Antarctic streams and rivers.

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Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
tierra del fuego
Longitude
-67.3461°
Latitude
-54.5378°

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Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
CONICET Financiamiento parcial de estadías en el exterior Victoria García
ANPCyT (Argentina) PICT to Patricia Rodríguez 2015 1152
ANPCyT (Argentina) PICT to Patricia Rodríguez 2017 0164
CONICET PUE to CADIC 2016
GEF project GCP ARG /40 023 / GFF
Universidad Nacional de Tierra del Fuego PID UNTdF

How to Cite

Rodríguez, P., E. R. Hotchkiss, V. J. García (2022). Ecosystem metabolism in sub-Antarctic streams and rivers impacted by non-native beaver, HydroShare, https://doi.org/10.4211/hs.b61e477a7d8c466f980e4473ada83341

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Patricia Rodríguez 5 months, 3 weeks ago

Ecosystem metabolism in sub-Antarctic streams and rivers impacted by non-native beaver
Article DOI: 10.1007/s00027-022-00876-1

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