Kari Cretini is an Ecologist at the USGS Wetland and Aquatic Research Center.
Professional Experience
General Biologist, IAP Worldwide Services, contracted to support U.S. Geological Survey, National Wetlands Research Center Lafayette, LA, 2004 to 2007
Ecologist, U.S. Geological Survey, National Wetlands Research Center Baton Rouge, LA, 2007 to 2011
Scientist, Cherokee Nation Technologies, contracted to support U.S. Geological Survey, Wetland and Aquatic Research Center Lafayette, LA, 2016 to 20
Education and Certifications
M.S. 2004, Southern Illinois University, Major: Plant Biology; research emphasis: population dynamics and habitat analysis of Trifolium reflexum
B.S. 2001, Murray State University, Major: Biolo
Science and Products
Geomorphic and ecological effects of Hurricanes Katrina and Rita on coastal Louisiana marsh communities
Hurricanes Katrina and Rita made landfall in 2005, subjecting the coastal marsh communities of Louisiana to various degrees of exposure. We collected data after the storms at 30 sites within fresh (12), brackish/intermediate (12), and saline (6) marshes to document the effects of saltwater storm surge and sedimentation on marsh community dynamics. The 30 sites were comprised of 15 pairs. Most pair
Council Monitoring and Assessment Program (CMAP): User guide for the Gulf Coast Monitoring and Assessment Portal
The Resources and Ecosystems Sustainability, Tourist Opportunities, and Revived Economies of the Gulf Coast States Act (RESTORE Act Final Rule at 31 C.F.R. Part 34) was signed into law on July 6, 2012. The RESTORE Act calls for a regional approach to restoring the long-term health of the valuable natural ecosystem and economy of the Gulf Coast region. The RESTORE Act dedicates 80 percent of civil
Authors
Kevin Suir, Hana R. Thurman, Anthony Kuczynski, Philip Quibodeaux, Sumani Chimmula, Jake Howell, Heidi Burkart, Nicholas Enwright, Kari Cretini, Mark McKelvy
Floristic quality index and forested floristic quality index: Assessment tools for restoration projects and monitoring sites in coastal Louisiana
The Floristic Quality Index (FQI) has been used in many areas throughout the United State to assess the integrity of plant communities and restoration projects. Here, we summarize two tools that have been developed for monitoring sites in coastal Louisiana wetlands. The FQI was modified for herbaceous data collected in coastal Louisiana monitoring sites. A second FQI, the Forested Floristic Qualit
Authors
Kari Cretini, William B. Wood, Jenneke M. Visser, Ken W. Krauss, Leigh Anne Sharp, Gregory D. Steyer, Gary P. Shaffer, Sarai Piazza
Forested floristic quality index: An assessment tool for forested wetland habitats using the quality and quantity of woody vegetation at Coastwide Reference Monitoring System (CRMS) vegetation monitoring stations
The U.S. Geological Survey, in cooperation with the Coastal Protection and Restoration Authority of Louisiana and the Coastal Wetlands Planning, Protection and Restoration Act, developed the Forested Floristic Quality Index (FFQI) for the Coastwide Reference Monitoring System (CRMS). The FFQI will help evaluate forested wetland sites on a continuum from severely degraded to healthy and will assist
Authors
William B. Wood, Gary P. Shaffer, Jenneke M. Visser, Ken W. Krauss, Sarai C. Piazza, Leigh Anne Sharp, Kari F. Cretini
Inundation and salinity impacts to above- and belowground productivity in Spartina patens and Spartina alterniflora in the Mississippi River Deltaic Plain: implications for using river diversions as restoration tools
Inundation and salinity directly affect plant productivity and processes that regulate vertical accretion in coastal wetlands, and are expected to increase as sea level continues to rise. In the Mississippi River deltaic plain, river diversions, which are being implemented as ecosystem restoration tools, can also strongly increase inundation in coastal wetlands. We used an in situ mesocosm approac
Authors
Gregg A. Snedden, Kari Foster Cretini, Brett Patton
Geomorphic and ecological effects of Hurricanes Katrina and Rita on coastal Louisiana marsh communities
Hurricanes Katrina and Rita made landfall in 2005, subjecting the coastal marsh communities of Louisiana to various degrees of exposure. We collected data after the storms at 30 sites within fresh (12), brackish/intermediate (12), and saline (6) marshes to document the effects of saltwater storm surge and sedimentation on marsh community dynamics. The 30 sites were comprised of 15 pairs. Most pair
Authors
Sarai C. Piazza, Gregory D. Steyer, Kari F. Cretini, Charles E. Sasser, Jenneke M. Visser, Guerry O. Holm, Leigh A. Sharp, D. Elaine Evers, John R. Meriwether
Development and use of a floristic quality index for coastal Louisiana marshes
The Floristic Quality Index (FQI) has been used as a tool for assessing the integrity of plant communities and for assessing restoration projects in many regions of the USA. Here, we develop a modified FQI (FQImod) for coastal Louisiana wetlands and verify it using 12 years of monitoring data from a coastal restoration project. Plant species that occur in coastal Louisiana were assigned a coeffici
Authors
M Visser, Kari Cretini, Ken W. Krauss, Gregory D. Steyer
Floristic Quality Index: An assessment tool for restoration projects and monitoring sites in coastal Louisiana
The Coastwide Reference Monitoring System (CRMS) program was established to assess the effectiveness of individual coastal restoration projects and the cumulative effects of multiple projects at regional and coastwide scales. In order to make these assessments, analytical teams have been assembled for each of the primary data types sampled under the CRMS program, including vegetation, hydrology, l
Authors
K.F. Cretini, G.D. Steyer
CRMS vegetation analytical team framework: Methods for collection, development, and use of vegetation response variables
This document identifies the main objectives of the Coastwide Reference Monitoring System (CRMS) vegetation analytical team, which are to provide (1) collection and development methods for vegetation response variables and (2) the ways in which these response variables will be used to evaluate restoration project effectiveness. The vegetation parameters (that is, response variables) collected in C
Authors
Kari F. Cretini, Jenneke M. Visser, Ken W. Krauss, Gregory D. Steyer
Hurricane Influences on Vegetation Community Change in Coastal Louisiana
The impacts of Hurricanes Katrina and Rita in 2005 on wetland vegetation were investigated in Louisiana coastal marshes. Vegetation cover, pore-water salinity, and nutrients data from 100 marsh sites covering the entire Louisiana coast were sampled for two consecutive growing seasons after the storms. A mixed-model nested ANOVA with Tukey's HSD test for post-ANOVA multiple comparisons was used to
Authors
Gregory D. Steyer, Kari Foster Cretini, Sarai C. Piazza, Leigh A. Sharp, Gregg A. Snedden, Sijan Sapkota
Characteristics of mangrove swamps managed for mosquito control in eastern Florida, USA
Manipulations of the vegetation and hydrology of wetlands for mosquito control are common worldwide, but these modifications may affect vital ecosystem processes. To control mosquitoes in mangrove swamps in eastern Florida, managers have used rotational impoundment management (RIM) as an alternative to the worldwide practice of mosquito ditching. Levees surround RIM swamps, and water is pumped int
Authors
B. Middleton, D. Devlin, E. Proffitt, Karen McKee, K.F. Cretini
Species frequency dynamics in an old-field succession: Effects of disturbance, fertilization and scale
Question:Can patterns of species frequency in an old-field be explained within the context of a metapopulation model? Are the patterns observed related to time, spatial scale, disturbance, and nutrient availability?Location:Upland and lowland old-fields in Illinois, USA.Method:Species richness was recorded annually for seven years following plowing of an upland and lowland old-field subject to cro
Authors
David J. Gibson, Beth A. Middleton, K. Foster, Y. A. K. Honu, E. W. Hoyer, M. Mathis
Science and Products
- Data
Geomorphic and ecological effects of Hurricanes Katrina and Rita on coastal Louisiana marsh communities
Hurricanes Katrina and Rita made landfall in 2005, subjecting the coastal marsh communities of Louisiana to various degrees of exposure. We collected data after the storms at 30 sites within fresh (12), brackish/intermediate (12), and saline (6) marshes to document the effects of saltwater storm surge and sedimentation on marsh community dynamics. The 30 sites were comprised of 15 pairs. Most pair - Publications
Council Monitoring and Assessment Program (CMAP): User guide for the Gulf Coast Monitoring and Assessment Portal
The Resources and Ecosystems Sustainability, Tourist Opportunities, and Revived Economies of the Gulf Coast States Act (RESTORE Act Final Rule at 31 C.F.R. Part 34) was signed into law on July 6, 2012. The RESTORE Act calls for a regional approach to restoring the long-term health of the valuable natural ecosystem and economy of the Gulf Coast region. The RESTORE Act dedicates 80 percent of civilAuthorsKevin Suir, Hana R. Thurman, Anthony Kuczynski, Philip Quibodeaux, Sumani Chimmula, Jake Howell, Heidi Burkart, Nicholas Enwright, Kari Cretini, Mark McKelvyFloristic quality index and forested floristic quality index: Assessment tools for restoration projects and monitoring sites in coastal Louisiana
The Floristic Quality Index (FQI) has been used in many areas throughout the United State to assess the integrity of plant communities and restoration projects. Here, we summarize two tools that have been developed for monitoring sites in coastal Louisiana wetlands. The FQI was modified for herbaceous data collected in coastal Louisiana monitoring sites. A second FQI, the Forested Floristic QualitAuthorsKari Cretini, William B. Wood, Jenneke M. Visser, Ken W. Krauss, Leigh Anne Sharp, Gregory D. Steyer, Gary P. Shaffer, Sarai PiazzaForested floristic quality index: An assessment tool for forested wetland habitats using the quality and quantity of woody vegetation at Coastwide Reference Monitoring System (CRMS) vegetation monitoring stations
The U.S. Geological Survey, in cooperation with the Coastal Protection and Restoration Authority of Louisiana and the Coastal Wetlands Planning, Protection and Restoration Act, developed the Forested Floristic Quality Index (FFQI) for the Coastwide Reference Monitoring System (CRMS). The FFQI will help evaluate forested wetland sites on a continuum from severely degraded to healthy and will assistAuthorsWilliam B. Wood, Gary P. Shaffer, Jenneke M. Visser, Ken W. Krauss, Sarai C. Piazza, Leigh Anne Sharp, Kari F. CretiniInundation and salinity impacts to above- and belowground productivity in Spartina patens and Spartina alterniflora in the Mississippi River Deltaic Plain: implications for using river diversions as restoration tools
Inundation and salinity directly affect plant productivity and processes that regulate vertical accretion in coastal wetlands, and are expected to increase as sea level continues to rise. In the Mississippi River deltaic plain, river diversions, which are being implemented as ecosystem restoration tools, can also strongly increase inundation in coastal wetlands. We used an in situ mesocosm approacAuthorsGregg A. Snedden, Kari Foster Cretini, Brett PattonGeomorphic and ecological effects of Hurricanes Katrina and Rita on coastal Louisiana marsh communities
Hurricanes Katrina and Rita made landfall in 2005, subjecting the coastal marsh communities of Louisiana to various degrees of exposure. We collected data after the storms at 30 sites within fresh (12), brackish/intermediate (12), and saline (6) marshes to document the effects of saltwater storm surge and sedimentation on marsh community dynamics. The 30 sites were comprised of 15 pairs. Most pairAuthorsSarai C. Piazza, Gregory D. Steyer, Kari F. Cretini, Charles E. Sasser, Jenneke M. Visser, Guerry O. Holm, Leigh A. Sharp, D. Elaine Evers, John R. MeriwetherDevelopment and use of a floristic quality index for coastal Louisiana marshes
The Floristic Quality Index (FQI) has been used as a tool for assessing the integrity of plant communities and for assessing restoration projects in many regions of the USA. Here, we develop a modified FQI (FQImod) for coastal Louisiana wetlands and verify it using 12 years of monitoring data from a coastal restoration project. Plant species that occur in coastal Louisiana were assigned a coefficiAuthorsM Visser, Kari Cretini, Ken W. Krauss, Gregory D. SteyerFloristic Quality Index: An assessment tool for restoration projects and monitoring sites in coastal Louisiana
The Coastwide Reference Monitoring System (CRMS) program was established to assess the effectiveness of individual coastal restoration projects and the cumulative effects of multiple projects at regional and coastwide scales. In order to make these assessments, analytical teams have been assembled for each of the primary data types sampled under the CRMS program, including vegetation, hydrology, lAuthorsK.F. Cretini, G.D. SteyerCRMS vegetation analytical team framework: Methods for collection, development, and use of vegetation response variables
This document identifies the main objectives of the Coastwide Reference Monitoring System (CRMS) vegetation analytical team, which are to provide (1) collection and development methods for vegetation response variables and (2) the ways in which these response variables will be used to evaluate restoration project effectiveness. The vegetation parameters (that is, response variables) collected in CAuthorsKari F. Cretini, Jenneke M. Visser, Ken W. Krauss, Gregory D. SteyerHurricane Influences on Vegetation Community Change in Coastal Louisiana
The impacts of Hurricanes Katrina and Rita in 2005 on wetland vegetation were investigated in Louisiana coastal marshes. Vegetation cover, pore-water salinity, and nutrients data from 100 marsh sites covering the entire Louisiana coast were sampled for two consecutive growing seasons after the storms. A mixed-model nested ANOVA with Tukey's HSD test for post-ANOVA multiple comparisons was used toAuthorsGregory D. Steyer, Kari Foster Cretini, Sarai C. Piazza, Leigh A. Sharp, Gregg A. Snedden, Sijan SapkotaCharacteristics of mangrove swamps managed for mosquito control in eastern Florida, USA
Manipulations of the vegetation and hydrology of wetlands for mosquito control are common worldwide, but these modifications may affect vital ecosystem processes. To control mosquitoes in mangrove swamps in eastern Florida, managers have used rotational impoundment management (RIM) as an alternative to the worldwide practice of mosquito ditching. Levees surround RIM swamps, and water is pumped intAuthorsB. Middleton, D. Devlin, E. Proffitt, Karen McKee, K.F. CretiniSpecies frequency dynamics in an old-field succession: Effects of disturbance, fertilization and scale
Question:Can patterns of species frequency in an old-field be explained within the context of a metapopulation model? Are the patterns observed related to time, spatial scale, disturbance, and nutrient availability?Location:Upland and lowland old-fields in Illinois, USA.Method:Species richness was recorded annually for seven years following plowing of an upland and lowland old-field subject to croAuthorsDavid J. Gibson, Beth A. Middleton, K. Foster, Y. A. K. Honu, E. W. Hoyer, M. Mathis