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  1. No Access

    Article

    Results of a program to control phosphorus discharges from dairy operations in south-central Florida, USA

    During 1987–1992, a mandatory program to control phosphorus discharges was implemented at dairy operations located to the north of Lake Okeechobee, Florida, USA. Thirty of 48 dairies participated in this progr...

    Karl E. Havens, Eric G. Flaig, R. Thomas James, Sergio Lostal… in Environmental Management (1996)

  2. No Access

    Article

    Comparative analysis of lake plankton structure vs. function

    Four modeling approaches were used to describe variations in the plankton of a large lake. The objective was to determine whether information about ecological transfer efficiency could be predicted from metri...

    Karl E. Havens in Aquatic Sciences (1999)

  3. No Access

    Article

    Comparative analysis of Lake Periphyton communities using high performance liquid chromatography (HPLC) and light microscope counts

    High performance liquid chromatography (HPLC) and light microscope counts were used to characterize the taxonomic composition of epiphyton and epipelon at seven locations in a subtropical lake. Both methods i...

    Karl E. Havens, Alan D. Steinman, H. J. Carrick, J. William Louda… in Aquatic Sciences (1999)

  4. No Access

    Article

    Hypothesis-Driven Experimental Research Is Necessary for Natural Resource Management

    Karl E. Havens, Nicholas G. Aumen in Environmental Management (2000)

  5. No Access

    Article

    Lake Okeechobee conceptual ecological model

    With a surface area of nearly 1,800 square kilometers, Lake Okeechobee is a prominent central feature of the South Florida aquatic ecosystem. The lake provides regional flood protection, supports a prized recr...

    Karl E. Havens, Dale E. Gawlik in Wetlands (2005)

  6. No Access

    Article

    A review of littoral vegetation, fisheries, and wildlife responses to hydrologic variation at Lake Okeechobee

    Variation in hydrologic regimes in subtropical lakes and wetlands strongly influences biodiversity and value to human users. Lake Okeechobee, Florida, has a 450-km2 littoral landscape that supports a diverse asse...

    Kevin G. Johnson, Micheal S. Allen, Karl E. Havens in Wetlands (2007)

  7. No Access

    Article

    Predicting Ecological Responses of the Florida Everglades to Possible Future Climate Scenarios: Introduction

    Florida’s Everglades stretch from the headwaters of the Kissimmee River near Orlando to Florida Bay. Under natural conditions in this flat landscape, water flowed slowly downstream as broad, shallow sheet flow...

    Nicholas G. Aumen, Karl E. Havens, G. Ronnie Best… in Environmental Management (2015)

  8. No Access

    Article

    Ecological Responses of a Large Shallow Lake (Okeechobee, Florida) to Climate Change and Potential Future Hydrologic Regimes

    We considered how Lake Okeechobee, a large shallow lake in Florida, USA, might respond to altered hydrology associated with climate change scenarios in 2060. Water budgets and stage hydrographs were provided ...

    Karl E. Havens, Alan D. Steinman in Environmental Management (2015)