A5069263923- Hydrology and Sediment Transport Processes
- Rangeland and Wildlife Management
- Fish Ecology and Management Studies
- Wildlife Ecology and Conservation
- Ecology and Vegetation Dynamics Studies
- Fire effects on ecosystems
- Species Distribution and Climate Change
- Hydrology and Watershed Management Studies
- Soil erosion and sediment transport
- Coastal wetland ecosystem dynamics
- Water Quality and Resources Studies
- Flood Risk Assessment and Management
- Wildlife-Road Interactions and Conservation
- Animal Ecology and Behavior Studies
- Archaeology and Natural History
- Peatlands and Wetlands Ecology
- Forest Ecology and Biodiversity Studies
- Plant and fungal interactions
- Environmental Conservation and Management
- Botany and Plant Ecology Studies
- Botany, Ecology, and Taxonomy Studies
- Aeolian processes and effects
- Bioenergy crop production and management
- Bryophyte Studies and Records
- Soil and Water Nutrient Dynamics
United States Geological Survey
2009-2024
Upper Midwest Environmental Sciences Center
2007-2024
North Central Soil Conservation Research Laboratory
2011
Universitas Tabanan
1876
The eastern migratory population of monarch butterflies (Danaus plexippus plexippus) has declined by >80% within the last two decades. One possible cause this decline is loss ≥1.3 billion stems milkweed (Asclepias spp.), which monarchs require for reproduction. In an effort to restore a goal established US Fish and Wildlife Service adopted Mexico, Canada, US, we developed scenarios amending Midwestern landscape with milkweed. Scenarios restoration were protected area grasslands, Conservation...
Models based upon coastal engineering equations have been developed to quantify wind fetch length and several physical wave characteristics including significant height, length, peak period, maximum orbital velocity, shear stress. These models, using Environmental Systems Research Institute's ArcGIS 9.2 Geographic Information System platform, were used differences in proposed island construction designs for three Habitat Rehabilitation Enhancement Projects (HREPs) the U.S. Army Corps of...
Abstract Questions How is the distribution of different plant communities associated with patterns flood inundation across a large floodplain landscape? Location Thirty‐eight thousand nine hundred and seventy hectare floodplain, spanning 320 km Upper Mississippi River ( UMR ). Methods High‐resolution elevation data (Lidar) 30 yr daily river stage were integrated to produce ‘floodscape’ map growing season duration. The distributions 16 remotely sensed quantified along gradient Results Models...
First posted December 13, 2018 For additional information, contact: Director, Upper Midwest Environmental Sciences CenterU.S. Geological Survey 2630 Fanta Reed Road La Crosse, WI 5460 This report documents the development of quantitative measures (indicators) ecosystem structure and function for use in a Habitat Needs Assessment (HNA) Mississippi River System (UMRS). HNAs are led periodically by U.S. Army Corps Engineers’ Restoration (UMRR) Program, which is primary habitat restoration...
Abstract Spatial information on the distribution of ecosystem patterns and processes can be a critical component designing implementing effective management programs in river‐floodplain ecosystems. For example, translating how flood pulses detected within stream gauge record are spatially manifested across river‐valley bottom used to evaluate whether current physical conditions has potential support priority habitats or if intervention is needed meet desired goals. The size complexity large...
There is growing need to develop models of spatial patterns in animal abundance, yet comparatively few examples such exist. This especially true situations where the abundance one species may inhibit that another, as intensively‐farmed landscape Prairie Pothole Region (PPR) central United States, waterfowl production largely constrained by mesocarnivore nest predation. We used a hierarchical Bayesian approach relate distribution various land‐cover types relative abundances four...
Freshwater ecosystems are critical zones of nutrient and carbon (C) processing along the land-sea continuum. Relative to our understanding C, nitrogen (N), phosphorus (P) cycling within freshwater systems, controls on silicon (Si) export less understood. The amount Si in relation N P exported by rivers coastal receiving waters can determine phytoplankton species assemblages, which turn affects C food web structure. Here we examine relationships between dissolved (DSi), total (TN), (TP)...
ABSTRACT This study provides one historical and two alternative future contexts for evaluating land cover modifications within the Upper Mississippi River (UMR) floodplain. Given previously documented changes in use, river engineering, restoration efforts hydro‐climatic UMR basin floodplain, we wanted to know which of these are most important determinants current projected floodplain cover. We used Geographic Information System data covering approximately 37% (3232 km 2 ) ca 1890 (pre‐lock...
Macrophyte (aquatic plant) recovery has occurred in rivers worldwide, but assemblage patterns and habitat requirements are generally not well understood. We examined of species composition macrophyte abundance the Upper Mississippi River (UMR), spanning 22 years monitoring a period vegetation recovery. Non-metric multidimensional scaling (NMDS) ordination revealed gradient diversity for 25 species, which were associated with water velocity, depth, wind fetch, clarity. Three genera ecological...
Avian point counts for population monitoring are often collected over a short timespan (e.g., 3–5 years). We examined whether power was adequate (power ≥0.80) in short-duration studies to warrant the calculation of trend estimates. modeled detect trends abundance indices eight bird species occurring across three floodplain habitats (wet prairie, early successional forest, and mature forest) as function magnitude, sample size, species-specific sampling among-year variance components. Point (5...
Abstract The 1993 flood of the Missouri River led to abandonment agriculture on considerable land in floodplain. This a restoration opportunity for U.S. Federal Government, purchasing those lands being sold by farmers. Restoration this floodplain is complicated, however, an imperfect understanding its past environmental and vegetative conditions. We examined conditions associated with current placement young forests wet prairies as guide potential successional trajectory abandoned...
We evaluated how climate change and variable rates of moose browsing intensity, as they relate to wolf predation, might impact the forests Isle Royale National Park, MI USA by conducting a simulation modelling experiment. The experiment consisted contrasting three different scenarios management with static (current conditions) changing (high emissions). Our results suggest that interactive effects predation are likely be temporally dependent on biogeographic forest successional processes....
Abstract Avian point counts for population monitoring are often collected over a short timespan (e.g., 3–5 years). We examined whether power was adequate (power ≥0.80) in short-duration studies to warrant the calculation of trend estimates. modeled detect trends abundance indices eight bird species occurring across three floodplain habitats (wet prairie, early successional forest, and mature forest) as function magnitude, sample size, species-specific sampling among-year variance components....
Abstract Large wood (LW) plays important geomorphic and ecological roles in rivers is widely used as a restoration tool. Changes to floodplain land use historical removal have altered dynamics fluvial systems globally. We know little about the distribution of LW great (approximately >10 5 km 2 ) like Upper Mississippi Illinois Rivers despite its ecosystem importance projects. assessed occurrence data collected by fisheries component River Restoration Program's Long Term Resource...
Abstract Reed canarygrass ( Phalaris arundinacea L.) is one of the most common invaders floodplains and wetlands in North America. In Upper Mississippi River floodplain, invasion by reed forest understories can inhibit regeneration when gaps form overstory. Understanding distribution essential for effective management control. We used an ensemble species models including Bayesian additive regression trees, boosted random algorithms to predict habitat suitability across floodplain (~41,000...
Loss of top predators may contribute to high ungulate population densities and chronic over-browsing forest ecosystems. However, spatial temporal variability in the strength interactions between ungulates occurs over scales that are much shorter than which communities change, making it difficult characterize trophic cascades We applied LANDIS-II succession model a recently developed browsing extension how moose could interact with ecosystem Isle Royale National Park, USA, under three...