This week Paige Kowal from Ducks Unlimited Canada joins Brendan to talk about Delta Marsh, an over 18,000 hectare freshwater coastal wetland in Manitoba. Delta Marsh is important habitat to migratory birds, native fishes, and has been impacted by the introduced Common carp. Not only that, Delta Marsh has important cultural and economic connections to the region.
Over the last 50 years Ducks Unlimited Canada and other organizations have been experimenting with techniques and projects to protect the wetland. Paige discusses some of the history of this work, what the modern carp exclusion techniques look like, and the science the team is doing to showcase the recovery of the wetland, including protecting native species.
You can see more of Paige and her colleagues work here: https://iwwr.ducks.ca/ .
The work we discussed today can be found in more detail in these publications:
Fish Assemblage Responses to the Exclusion of Invasive Common Carp (Cyprinus carpio) from a Large Freshwater Coastal Wetland, Delta Marsh, Manitoba https://link.springer.com/article/10.1007/s13157-024-01775-x
Migrating Ducks and Submersed Aquatic Vegetation Respond Positively After Invasive Common Carp (Cyprinus carpio) Exclusion from a Freshwater Coastal Marsh https://link.springer.com/article/10.1007/s13157-023-01689-0
Improvements in water clarity and submersed aquatic vegetation cover after exclusion of invasive common carp from a large freshwater coastal wetland, Delta Marsh, Manitoba https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2022.992690/full
Remember: Ducks Unlimited, more than just about ducks!
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Thanks as always to Andrew Gialanella for the fantastic intro/outro music.
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