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Effects of Grazer Exclusion on Carbon Cycling in Created Freshwater Wetlands
| Content Provider | MDPI |
|---|---|
| Author | Spangler, Delanie M. Tyler, Anna Christina McCalley, Carmody K. |
| Copyright Year | 2021 |
| Description | Wetland ecosystems play a significant role in the global carbon cycle, and yet are increasingly threatened by human development and climate change. The continued loss of intact freshwater wetlands heightens the need for effective wetland creation and restoration. However, wetland structure and function are controlled by interacting abiotic and biotic factors, complicating efforts to replace ecosystem services associated with natural wetlands and making ecologically-driven management imperative. Increasing waterfowl populations pose a threat to the development and persistence of created wetlands, largely through intensive grazing that can shift vegetation community structure or limit desired plant establishment. This study capitalized on a long-term herbivore exclusion experiment to evaluate how herbivore management impacts carbon cycling and storage in a created wetland in Western New York, USA. Vegetation, above- and belowground biomass, soil carbon, carbon gas fluxes and decomposition rates were evaluated in control plots with free access by large grazers and in plots where grazers had been excluded for four years. Waterfowl were the dominant herbivore at the site. Grazing reduced peak growing season aboveground biomass by over |
| Starting Page | 805 |
| e-ISSN | 2073445X |
| DOI | 10.3390/land10080805 |
| Journal | Land |
| Issue Number | 8 |
| Volume Number | 10 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-07-31 |
| Access Restriction | Open |
| Subject Keyword | Land Grazing Created Wetlands Freshwater Marshes Carbon Cycling |
| Content Type | Text |
| Resource Type | Article |
