The Prairie Pothole Region (PPR) of North America is one of the most important breeding areas for continental waterfowl populations, a Department of Interior (DOI) trust resource. Land use and climate both influence the functioning of the region’s wetland ecosystems, with effects not just on the waterfowl that depend on these wetlands, but also on the services they provide to society, such as floodwater retention, water-quality improvement, and carbon sequestration. We will be using a recently-developed dynamic systems-model for wetlands of the PPR, with field and remotely-sensed data, to address key science questions related to how wetland ecosystems in the PPR will likely respond under various future land-use and climate scenarios. Information from this effort will be shared with DOI land managers, policymakers, and others interested in developing adaptation and/or mitigation strategies to ensure the sustainability of the Nation’s rich wetland resources and the services they provide to society.
Statement of Problem: Land use and climate change both affect wetland ecosystems of the Prairie Pothole Region, and data on wetland response to recent and ongoing change is needed to inform decisions aimed at adapting to or mitigating impacts on these nationally valued ecosystems. We are using a new dynamic systems model for PPR wetlands to evaluate how land use and climate change are likely to impact wetland communities and the waterfowl populations these wetlands support. We also will use the model to explore how different adaptation and mitigation options might affect regional productivity.
Why this Research is Important: DOI directs considerable financial and personnel resources towards purchasing, managing, conserving, and restoring wetland ecosystems that support waterfowl populations and other biota. Understanding how these systems will change under various land use and climate scenarios is key to maximizing the benefits derived from these ecosystems, given the financial resources invested in them.
Objective(s): The project aims to address the following scientific questions:
- What influence do various land-use/land-cover types have on prairie-pothole wetland water budgets?
- How will the spatial distribution of suitable waterfowl-habitat potentially shift across the geographic extent of the Prairie Pothole Region under different future-climate scenarios?
- What are the influences of land use and climate on the distribution of vegetative zones (i.e., wet-meadow, shallow-marsh, deep-marsh, open-water) within prairie-pothole wetlands and how do changes in these zones influence wetland-habitat quality?
- What are the influences of land use and climate on key aquatic-macroinvertebrate communities that support waterfowl populations in prairie-pothole wetlands?
- What are the relative roles of land use driven and climate driven influences on prairie-pothole wetland ecosystems?
In addition to addressing these five science questions, this work will also continue data-collection efforts at the Cottonwood Lake Study Area and distribute these key data assets through the Missouri Coteau Wetland Ecosystem Observatory.
Methods: We will combine model runs that simulate effects of different land-cover types and climate scenarios on wetland water volumes, hydroperiods (i.e., the length of time wetlands contain ponded water), vegetation zones and waterfowl populations with collection of data and observations to improve the model and address key questions from land managers. Based on new data and structural equation modeling, we will update and improve the dynamic systems model.
Below are other science projects associated with this project.
Mechanisms, models, and management of invasive species and soil biogeochemical process in prairie pothole wetlands
Below are publications associated with this project.
Long-term changes in pond permanence, size, and salinity in Prairie Pothole Region wetlands: The role of groundwater-pond interaction
Accommodating state shifts within the conceptual framework of the wetland continuum
Evidence for a climate-induced ecohydrological state shift in wetland ecosystems of the southern Prairie Pothole Region
The significant surface-water connectivity of "geographically isolated wetlands"
Biota: Providing often-overlooked connections among freshwater systems
Temporary wetlands: Challenges and solutions to conserving a ‘disappearing’ ecosystem
Changes in pond water levels and surface extent due to climate variability alter solute sources to closed-basin Prairie-Pothole wetland ponds, 1979 to 2012
Intermittent surface water connectivity: Fill and spill vs. fill and merge dynamics
Interannual water-level fluctuations and the vegetation of prairie potholes: Potential impacts of climate change
Midcontinent Prairie-Pothole wetlands and climate change: An Introduction to the Supplemental Issue
Aquatic-macroinvertebrate communities of Prairie-Pothole wetlands and lakes under a changed climate
From "Duck Factory" to "Fish Factory": Climate induced changes in vertebrate communities of prairie pothole wetlands and small lakes
Below are data or web applications associated with this project.
- Overview
The Prairie Pothole Region (PPR) of North America is one of the most important breeding areas for continental waterfowl populations, a Department of Interior (DOI) trust resource. Land use and climate both influence the functioning of the region’s wetland ecosystems, with effects not just on the waterfowl that depend on these wetlands, but also on the services they provide to society, such as floodwater retention, water-quality improvement, and carbon sequestration. We will be using a recently-developed dynamic systems-model for wetlands of the PPR, with field and remotely-sensed data, to address key science questions related to how wetland ecosystems in the PPR will likely respond under various future land-use and climate scenarios. Information from this effort will be shared with DOI land managers, policymakers, and others interested in developing adaptation and/or mitigation strategies to ensure the sustainability of the Nation’s rich wetland resources and the services they provide to society.
Statement of Problem: Land use and climate change both affect wetland ecosystems of the Prairie Pothole Region, and data on wetland response to recent and ongoing change is needed to inform decisions aimed at adapting to or mitigating impacts on these nationally valued ecosystems. We are using a new dynamic systems model for PPR wetlands to evaluate how land use and climate change are likely to impact wetland communities and the waterfowl populations these wetlands support. We also will use the model to explore how different adaptation and mitigation options might affect regional productivity.
Why this Research is Important: DOI directs considerable financial and personnel resources towards purchasing, managing, conserving, and restoring wetland ecosystems that support waterfowl populations and other biota. Understanding how these systems will change under various land use and climate scenarios is key to maximizing the benefits derived from these ecosystems, given the financial resources invested in them.
Objective(s): The project aims to address the following scientific questions:
- What influence do various land-use/land-cover types have on prairie-pothole wetland water budgets?
- How will the spatial distribution of suitable waterfowl-habitat potentially shift across the geographic extent of the Prairie Pothole Region under different future-climate scenarios?
- What are the influences of land use and climate on the distribution of vegetative zones (i.e., wet-meadow, shallow-marsh, deep-marsh, open-water) within prairie-pothole wetlands and how do changes in these zones influence wetland-habitat quality?
- What are the influences of land use and climate on key aquatic-macroinvertebrate communities that support waterfowl populations in prairie-pothole wetlands?
- What are the relative roles of land use driven and climate driven influences on prairie-pothole wetland ecosystems?
In addition to addressing these five science questions, this work will also continue data-collection efforts at the Cottonwood Lake Study Area and distribute these key data assets through the Missouri Coteau Wetland Ecosystem Observatory.
Methods: We will combine model runs that simulate effects of different land-cover types and climate scenarios on wetland water volumes, hydroperiods (i.e., the length of time wetlands contain ponded water), vegetation zones and waterfowl populations with collection of data and observations to improve the model and address key questions from land managers. Based on new data and structural equation modeling, we will update and improve the dynamic systems model.
- Science
Below are other science projects associated with this project.
Mechanisms, models, and management of invasive species and soil biogeochemical process in prairie pothole wetlands
The ecological foundation of thousands of acres of wetland habitat is being impacted by changes in land cover, land use, climate, and invasive species. This project utilizes USGS remotely-sensed products, along with experimental and observational field data to develop spatially-explicit, landscape-scale models of invasive cattails and soil biogeochemical processes. These models will assist... - Publications
Below are publications associated with this project.
Filter Total Items: 17Long-term changes in pond permanence, size, and salinity in Prairie Pothole Region wetlands: The role of groundwater-pond interaction
Study RegionCottonwood Lake area wetlands, North Dakota, U.S.A.Study FocusFluctuations in pond permanence, size, and salinity are key features of prairie-pothole wetlands that provide a variety of wetland habitats for waterfowl in the northern prairie of North America. Observation of water-level and salinity fluctuations in a semi-permanent wetland pond over a 20-year period, included periods whenAccommodating state shifts within the conceptual framework of the wetland continuum
The Wetland Continuum is a conceptual framework that facilitates the interpretation of biological studies of wetland ecosystems. Recently summarized evidence documenting how a multi-decadal wet period has influenced aspects of wetland, lake and stream systems in the southern prairie-pothole region of North America has revealed the potential for wetlands to shift among alternate states. We proposeEvidence for a climate-induced ecohydrological state shift in wetland ecosystems of the southern Prairie Pothole Region
Changing magnitude, frequency, and timing of precipitation can influence aquatic-system hydrological, geochemical, and biological processes, in some cases resulting in system-wide shifts to an alternate state. Since the early 1990s, the southern Prairie Pothole Region has been subjected to an extended period of increased wetness resulting in marked changes to aquatic systems defining this region.The significant surface-water connectivity of "geographically isolated wetlands"
We evaluated the current literature, coupled with our collective research expertise, on surface-water connectivity of wetlands considered to be “geographically isolated” (sensu Tiner Wetlands 23:494–516, 2003a) to critically assess the scientific foundation of grouping wetlands based on the singular condition of being surrounded by uplands. The most recent research on wetlands considered to be “geBiota: Providing often-overlooked connections among freshwater systems
When we think about connections in and among aquatic systems, we typically envision clear headwater streams flowing into downstream rivers, river floodwaters spilling out onto adjacent floodplains, or groundwater connecting wetlands to lakes and streams. However, there is another layer of connectivity moving materials among freshwater systems, one with connections that are not always tied to downgTemporary wetlands: Challenges and solutions to conserving a ‘disappearing’ ecosystem
Frequent drying of ponded water, and support of unique, highly specialized assemblages of often rare species, characterize temporary wetlands, such as vernal pools, gilgais, and prairie potholes. As small aquatic features embedded in a terrestrial landscape, temporary wetlands enhance biodiversity and provide aesthetic, biogeochemical, and hydrologic functions. Challenges to conserving temporary wChanges in pond water levels and surface extent due to climate variability alter solute sources to closed-basin Prairie-Pothole wetland ponds, 1979 to 2012
Wetter conditions beginning in 1993 resulted in marked changes in water levels and surface extent of prairie-pothole region wetland ponds, including closed-basin wetlands in the Cottonwood Lake area of North Dakota, U.S.A. Pond water levels after 1993 were consistently 0.5 to 2 m higher than during 1979–1993 (≤ 1 m deep) in wetlands lacking surface or substantial groundwater outlets, and ponds ofIntermittent surface water connectivity: Fill and spill vs. fill and merge dynamics
Intermittent surface connectivity can influence aquatic systems, since chemical and biotic movements are often associated with water flow. Although often referred to as fill and spill, wetlands also fill and merge. We examined the effects of these connection types on water levels, ion concentrations, and biotic communities of eight prairie pothole wetlands between 1979 and 2015. Fill and spill cauInterannual water-level fluctuations and the vegetation of prairie potholes: Potential impacts of climate change
Mean water depth and range of interannual water-level fluctuations over wet-dry cycles in precipitation are major drivers of vegetation zone formation in North American prairie potholes. We used harmonic hydrological models, which require only mean interannual water depth and amplitude of water-level fluctuations over a wet–dry cycle, to examine how the vegetation zones in a pothole would respondMidcontinent Prairie-Pothole wetlands and climate change: An Introduction to the Supplemental Issue
The multitude of wetlands in the Prairie Pothole Region of North America forms one of Earth’s largest wetland complexes. The midcontinent location exposes this ecologically and economically important wetland system to a highly variable climate, markedly influencing ponded-water levels, hydroperiods, chemical characteristics, and biota of individual basins. Given their dominance on the landscape anAquatic-macroinvertebrate communities of Prairie-Pothole wetlands and lakes under a changed climate
Understanding how aquatic-macroinvertebrate communities respond to changes in climate is important for biodiversity conservation in the Prairie Pothole Region and other wetland-rich landscapes. We sampled macroinvertebrate communities of 162 wetlands and lakes previously sampled from 1966 to 1976, a much drier period compared to our 2012–2013 sampling timeframe. To identify possible influences ofFrom "Duck Factory" to "Fish Factory": Climate induced changes in vertebrate communities of prairie pothole wetlands and small lakes
The Prairie Pothole Region’s myriad wetlands and small lakes contribute to its stature as the “duck factory” of North America. The fishless nature of the region’s aquatic habitats, a result of frequent drying, freezing, and high salinity, influences its importance to waterfowl. Recent precipitation increases have resulted in higher water levels and wetland/lake freshening. In 2012–13, we sampled c - Web Tools
Below are data or web applications associated with this project.