GRANTS AWARDED BY THE WASHINGTON BIOLOGISTS' FIELD CLUB

Year, Title, Grantee(s), Sponsor (s)

Amount

2013
Dyke Marsh Wildlife Preserve Arthropod Study (DMWPAS)
Edward M. Barrows (member)

$2000
Diversity and phenology of wood-decay fungi communities in Mid-Atlantic forests
Amy M. Milo and Amy E. Zanne
Sponsor:John Lill

$2950
Survey of Plant Invasions on Plummers Island
WBFC Invasive Biota Committee (members)

$4100
Using Geolocators to Determine Migration Routes of Orchard Orioles (Icterus spurius)
Kevin Omland
Sponsor: Carla Dove

$3000

2012
Phenology of Black Cherry and eastern tent caterpillars: response to global climate change
Mariana Abarca
Sponsor: John T. Lill



$2912

Investigation of possible parthenogenetic reproduction under stress by the crayfish, Orconectes obscurus
Susan L. Carney
Sponsor: Butch Norden

$2350
Quantifying the Relative Contributions of Natural and Sexual Selection on Male Ornamentation Across Darter (Teleostei: Percidae) Lineages
Patrick Ciccotto
Sponsor:  Lynne R. Parenti 


$704
Species diversity and the evolution of tropic interactions within insect herbivores on Plummers Island
John Kress (member), David Erickson, John Lil (member), and Carlos Garcia-Robledo

$3000
Biodiversity of the centipede (Chilopoda) and millipede (Diplopoda) fauna for Plummers Island (Montgovery County, Maryland)
Randy Mercurio, Richard Hoffman, and Arnold (member)


$900
Shape learning in the invasive Cabbage White Butterfly, Pieris rapae (Pieridae)
Lilian Power
Sponsor: John Lil


$993

Quantifying the reproductive consequences of long-distance natal dispersal in a migratory bird breeding in the Potomac Basin Region
Clark Rushing
Sponsor: Carla Dove


$3000
A comparison of epigenetic and genetic diversity and structure in urban and nonurban populations of a freshwater stream fish (Etheostoma olmstedi) in the Potamac basin
Tracy A. Smith
Sponsor: Lynne Parenti


$2731
How does food plant quality affect the immune response of forest caterpillars?
Teresa M. Stoepler
Sponsor: John Lill

$2210

2011
Middle-Atlantic Lampropeltis triangulum of the Potomac Gorge and surrounds; species occurrence and
taxonomic status
Ted R. Kahn, Neotropical Conservation Foundation, Washington, D.C.
Sponsor: Walt Bulmer




$1,500

Testing predator-mediated coexistence of the mosquito A. japonica with the competitively superior congener A. albopictus: global change in the Potomac Basin
Paul Leisnham and Zachary Freek, University of Maryland, College Park
Sponsor: Lowell Adams



$2,000

Cascading effects of host plant nutritional quality on herbivores and their parasitoids
Teresa Stoepler, George Washington University
Sponsor: John T. Lill


$2,200

Tundra and Trumpeter Swan genetic population study  
Lauren Wilson, George Mason University, Fairfax, VA
Sponsor: James Lawrey


$2,000

Dyke Marsh Wildlife Preserve Arthropod Study (DMWPAS)
Edward M. Barrows (Member) Georgetown University


$1,550
Polyploidy and genetic structure in American elm
Alan Whittemore (Member) U.S. National Arboretum

$2,750

Transferring the "Carabid beetles of Plummers Island" database to EOL and updating the species list
Terry Erwin (Member) National Museum of Natural History


$3,000

2009
Impact of pollinators on the reproductive success and floral display of Asclepias (milkweed) in the Potomac Valley
Aaron F. Howard, Georgetown University, and Edward M. Barrows (Member)




$2,300

Biodiversity inventory of earthworms (Oligochaeta: Annelida) of Plummers Island, Maryland
Jerry L. Burgess and Katalin Szlavecz, Johns Hopkins University
Sponsor: Arnold Norden

$1,800
The role of growth and flowering phenology in competitive interations between native and invasive herbaceous species
Kevin Barry, University of Maryland, College Park
Sponsor: Stan Shetler


$2,000
Surveys to determine the southern extent of the invasive rusty crayfish, Orconectes rusticus, in the Monacacy River
Susan Carney and Eric Annis, Hood College
Sponsor: Arnold Norden


$2,000
Biology of two newly discovered parasitic wasps in the Parker's Creek Watershed
Michael W. Gates, Systematic Entomology Laboratory, U.S. Department of Agriculture
Sponsor: John Brown

$1,500

Variation in song at the regional level in orchard orioles (Icterus spurius): a model group for studying recent character divergence
Kevin Omland, University of Maryland, Baltimore County
Sponsor: Mercedes Foster



$1,700
Interactions between habitat complexity and temporal variability in predator size structure and prey availability: implications for coexistence in intraguild predation systems
Jonathan Witt, George Mason University
Sponsor: James Lawrey


$2,000
Nitrogen dynamics in created and natural reference wetlands of the Potomac Watershed
Kristin L. Wolf, Gregory B. Noe, Changwoo Ahn, George Mason University and U.S. Geological Survey
Sponsor: James Lawrey

$1,700
2008
Study of the life history of Ethmia macelhosiella Busck, 1907 (Elachistidae: Ethmiinae) on Plummers Island
Andras Kun and John Brown (Member)



$2,300
Excluding mammalian predators from diamondback terrapin nesting beaches with an electric fence
Lowell Adams (Member)

$2,500
Impact on insect pollinators on outcrossing pollination rates of Asclepias syriaca (common milkweed) in the Potomac Valley
Aaron F. Howard, Georgetown University, and Edward M. Barrows (Member)


$2,285
Putting stream salamanders in context: linking stream salamander behavior, bioturbation, and the loss of small streams
Evan H. Campbell Grant and David C. Richardson, Marine, Estuarine and Environmental Sciences, University of Maryland, College Park
Sponsor: Matthew C. Perry



$2,450
Bioaccumulation of heavy metals in red-bellied turtles (Trachemys scripta elegans) in the Potomac River
Rachel Harley, George Mason University
Sponsor: Roy W. McDiarmid

$2,500
Comparing alternative models of the genetic impacts of population bottlenecks using Chesapeake Bay striped bass (Morone saxatilis) as an example organism
Matthew B. Hamilton, Georgetown University
Sponsor: Roy W. McDiarmid


$2,500

2007
Distribution and phenology of the Maryland endangered plant Phacelia covillei (Hydrophyllaceae) in Plummers Island and adjacent areas, Chesapeake and Ohio Canal National Historical Park, Maryland
Aaron F. Howard, Georgetown University, and Edward M. Barrows (Member)




$1,500
Nematodes of Plummers Island, subclass Enoplia
Ashleigh B. Smythe, Smithsonain Institution

$2,300

DNA barcoding land snails of the family Polygyridae on Plummers Island
Gina M. Meletakos, Townson University


$1,100
Macrolepidoptera feeding on Acer negundoL.
Eric Lind, University of Maryland, College Park

$800
A search for diatom and chrysophyte symbionts in lichens
David Schwartzman, Howard University

$2,500
Hatching success of diamondback terrapins (Malaclemys terrapin) in relation to mammalian exclosure from nesting beaches
Willem Roosenburg, Ohio University and Lowell Adams (Member)


$2,400
Genetic analysis of hybridization in a globally rare freshwater mussel - the Yellow Lampmussel (Lampsilis cariosa) in the Potomac River drainage
Judith Rhymer, University of Maine and James M. McCann, Maryland Department of Natural Resources Natural Heritage Program



$2,300
Evaluation of Escherichia coli in the Potomac River Basin (including Plummers Island)
Earl Benjamin III, Morgan State University

$2,300
Morphological and molecular characterization of Amelanchier ashei Frye & Roberts sp.nov.: a putative endemic to the Potomac Gorge of the District of Columbia, Maryland, and Virginia
C. T. Frye and R. P. Roberts, Maryland Department of Natural Resources


$2,300

2006
Survey of the ants (Hymenoptera: Formicidae) of Plummers Island
Mark Deyrup, Archbold Biological Station, Arnold W. Norden (Member), and Beth M. Norden
(Member)



$2,240

Host plant associations of Tortricidae on Plummers Island
John T. Lill, George Washington University, and John W. Brown (Member)


$1,310

Bioinventory of the springtails (Hexapoda: Collembola) of Plummers Island, Maryland
Joseph Reznik, University of Vermont
Sponsor: John W. Brown


$2,400

Analysis of the large 1998-1999 malaise arthropod sample of Dyke Marsh Preserve, Virginia: Asilidae, Bombyliidae, Conopidae, Stratiomyidae, and Tabanidae (Diptera)
Edward M. Barrows, Georgetown University
Sponsor: Donald R. Davis



$2,000

Testing for genetic impacts of a severe population bottleneck in striped bass (Morone saxatilis) in the Chesapeake watershed
Matthew B. Hamilton, American University
Sponsor: Roy W. McDiarmid



$2,350

The ecology of free-roaming canids in Rock Creek Park, Washington, D.C.
Megan Draheim and Larry L. Rockwood, George Mason University
Sponsor: John M. Hadidian


$2,350

Genetic variation and mortality of central Maryland eastern box turtles (Terrapene c. carolina)
Susan Hagood, University of Maryland, College Park
Sponsor: Lowell W. Adams


$2,350

2005
Potomac Gorge bioblitz (food for volunteers)
Arthur V. Evans and Stephanie Flack, The Nature Conservancy
Sponsor: M. Alma Solis



$1,000

Predator-prey interactions between mud-dauber wasps (Hymenoptera, Sphecidae) and spiders (Aranae) Divya Bellur Uma, Georgetown University
Sponsor: John W. Brown


$2,270

Possible double-brooding in temperate-breeding orioles: breeding behavior of Baltimore orioles in Maryland
Spring D. Ligi, University of Maryland, Baltimore County
Sponsor: Mercedes S. Foster



$865

Host plant and parasitoid associations of slug caterpillars on Plummers Island
John T. Lill, George Washington University
Sponsor: Patrick S. Herendeen


$2,200

From its source to the sea: the selective pressures on swamp sparrows along Potomac headwaters and mid-Atlantic coast
Brian Olsen and Russell Greenberg, Virginia Polytechnic Institute and State University
Sponsor: Daryl J. Boness



$2,470

A study of the genetic structure of terrestrial snail populations on Plummers Island
Colleen S. Sinclair, Towson University
Sponsor: Arnold W. Norden


$2,500

Effect of urbanization on the adult stage of aquatic insects: does constrained dispersal contribute to community degradation?
Robert F. Smith, University of Maryland, College Park
Sponsor: Lowell W. Adams



$2,485

2004
New taxonomic tools for the 21st century
W. John E. Kress (Member)

$3,000

Inventory of freshwater mollusks of Plummers Island, Maryland, USA
Timothy Pearce, Carnegie Museum of Natural History
Sponsor: Arnold W. Norden


$2,000

Alien plants and the diversity of phytophagus insects on Plummers Island
Doug W. Tallamy, University of Delaware
Sponsor: John W. Brown


$2,000

Diversity and biological studies of arthropods of the Washington, D.C. area
Edward M. Barrows and Daniel S. Kjar, Georgetown University
Sponsor: Donald R. Davis


$2,000

Partitioning pollinator contributions to fitness components in a Potomac Basin population of Silene caroliniana (Caryophyllaceae)
Richard Reynolds, University of Maryland, College Park
Sponsor: Michael G. Pogue



$2,000

Reproductive morphology and phylogeny of stalk-eyed flies in the Potomac Basin
Philip M. Johns, University of Maryland, College Park
Sponsor: John W. Brown


$2,000

Construction of deer exclosures at Maryland Heights Harper’s Ferry National Historical Park
Scott Bates, National Park Service
Sponsor: L. Kay Thomas, Jr.


$2,000

Molecular genetic characterization of relatedness among Potomac River drainage populations of the wood turtle (Glyptemys insculpta): Part I: data collection
Thomas S. B. Akre, University of Georgia
Sponsor: Roy W. McDiarmid



$2,500

2003
Bio assessment of the woody vegetative communities present on Plummers Island
Alicia M. Wells, Patuxent Wildlife Research Center
Sponsor: Matthew C. Perry


$2,500

Inventory continuation of the Lepidoptera of Plummers Island
John W. Brown (Member)


$3,100

Survey of the occurrence and distribution of cellular slime molds of Plummers Island
John C. Landolt, Shepherd College
Sponsor: David F. Farr


$910

Diversity and biological studies of arthropods of the Washington, D.C. area
Edward M. Barrows and Daniel S. Kjar, Georgetown University
Sponsor: Donald R. Davis


$2,500

The role of learning in foraging by Polistes fuscatus wasps
Martha R. Weiss, Georgetown University
Sponsor: Donald R. Davis


$1,000

Soil moisture as a source of variation in home range size of Terrapene carolina
Will Brown, Shenandoah National Park
Sponsor: Roy W. McDiarmid


$2,485

Floristic survey of the eastern Goose Creek Watershed, Loudoun County, Virginia
Lisa B. Williams, George Mason University
Sponsor: James D. Lawrey


$2,500

2002
Inventory of the harvestmen (Opiliones) and millipedes (Diplopoda) of Plummers Island
Jeff Shultz, Heather Wilson, and Ethane Kane, University of Maryland, College Park
Sponsor: Arnold W. Norden

  

$2,400

Diversity and biological studies of hexapods (insects and close kin) of Dyke Marsh Wildlife Preserve, Virginia
Edward M. Barrows and Daniel S. Kjar, Georgetown University
Sponsor: Donald R. Davis

  

$2,500

Pyralidae (Pyraloidea) of Plummers Island, including a molecular phylogenetic analysis
M. Alma Solis (Member) and S. Scheffer, Systematic Entomology Laboratory

 
$2,377

Composition, population dynamics, and ecology of the anuran community at Occoquan Bay National Wildlife Refuge, Woodbridge, Virginia
Ellen K. Carson, George Mason University
Sponsor: Don E. Wilson

  

$2,500

2001
The use of forward looking infra-red (FLIR) imagery to locate bird carcasses resulting from the agricultural use of pesticides
Lowell W. Adams (Member) and Juliet Healy, University of Maryland, College Park




$2,500

Inventory of Microlepidoptera (Insecta: Lepidoptera) of Plummers Island, Maryland
John W. Brown (Member)


$1,820

Rhagionidae of Plummers Island
Peter J. Hibbs, University of Maryland, College Park
Sponsor: Donald R. Davis


$1,149

Estimating breeding population structure of striped bass (Morone saxatilis) in the Chesapeake watershed
Matthew B. Hamilton, Georgetown University
Sponsor: Roy W. McDiarmid


$1,900

Learning ability in the pipevine swallowtail butterfly: comparison with honeybees
Martha R. Weiss, Georgetown University
Sponsor: John W. Brown


$1,900

Diversity and biological studies of hexapods (insects and close kin) of Dyke Marsh Wildlife Preserve, Virginia
Edward M. Barrows and Daniel.S. Kjar, Georgetown University
Sponsor: Donald R. Davis



$1,900

Influence of beaver impoundments on water chemistry and fish and macroinvertebrate assemblages in Maryland streams
Patricia J. Allen, Rebecca Peet, and Richard L. Raesly, Frostburg University
Sponsor: Alfred L. Gardner



$1,900

2000
Diversity and biological studies of hexapods (insects and close kin) of Dyke Marsh Wildlife Preserve, Virginia
Edward M. Barrows, Georgetown University
Sponsor: Donald R. Davis




$2,500

The effects of grassland management on the selection of foraging habitat by birds of prey
Kerry J. Fitzpatrick, University of Maryland, College Park
Sponsor: Lowell W. Adams


$1,100

Populations monitoring of the North American river otter (Lontra canadensis) using a noninvasive molecular method
Michael D. Brandhagen, George Mason University
Sponsor: James D. Lawrey



$2,500

Floristics of Carex (Cyperaceae) in the Potomac River Gorge
Chris Lea, National Park Service, and Chris Frye, Maryland Department of Natural Resources
Sponsor: James D. Lawrey


$1,100

1999
Diversity of hexapods (insects and close kin) of Dyke Marsh Wildlife Preserve, Virginia
Edward M. Barrows, Georgetown University
Sponsors: David W. Johnston and Donald R. Davis



$2,500

Suppression of Ixodes scapularis and Borrelia burdgorferi by self-application of permethrin by white-tailed deer
Victoria Solberg, University of Maryland, College Park
Sponsor: Lowell W. Adams



$2,500

Inventory of the Noctuidae of Plummers Island
Michael Pogue, Systemic Entomology Laboratory, U.S. Department of Agriculture
Sponsor: Donald R. Davis


$1,170

A survey for Lucanus elephus Fabricius (Coleoptera: Lucanidae) in Maryland
Charles L. Staines and S. L. Staines, National Museum of Natural History
Sponsor: Paul J. Spangler


$2,500

Population abundance and habitat requirements of the marsh wren (Cistothorus palustris) at Dyke Marsh National Wildlife Preserve, Virginia
Sandy C. Spencer, George Mason University
Sponsors: James D. Lawrey and David W. Johnston



$1,917

Natural history of Plummers Island, Maryland: 100 years of data on the ground beetles of a temperate forest site (Coleoptera: Carabidae)
Terry L. Erwin (Member) and Raul Medina, University of Maryland, College Park



$2,500

Examining the impact of a non-native bivalve (Corbicula fluminea) on resource availability to native unionid mussles in the Potomac River drainage basin
Christine Hakenkamp, James Madison University
Sponsor: Larry R. Jahn



$1,000

Species turnover in the Tortricid moths (Insecta: Lepidoptera: Tortricidae) of Plummers Island, Maryland
John Brown Systematic Entomology Laboratory, U.S. Department of Agriculture
Sponsor: Donald R. Davis


$2,000

1998
The Microlepidoptera (Insecta: Lepidoptera) of Maryland, with an emphasis on Plummers Island
John Brown, Systematic Entomology Laboratory, U.S. Department of Agriculture
Sponsor: M. Alma Solis



$2,000

Linking species and ecosystem processes: are native and introduced bivalve species redundant?
Christine Hakenkamp, University of Maryland, College Park
Sponsor: Larry R. Jahn


$2,000

The effect of soil organic matter on phosphorus retention and transformation in constructed and natural freshwater wetlands
Dianna Hogan, George Mason University
Sonsor: James D. Lawrey



$2,500

Inventory and monitoring of the Noctuidae (Insecta: Lepidoptera) of Plummers Island, Maryland
Michael Pogue, Systematic Entomology Laboratory, U.S.Department of Agriculture
Sponsor: M. Alma Solis


$1,825

Suppression of Ixodes scapularis and Borrelia burgdorferi by self-application of permethrin by white-tailed deer
Victoria Solberg and Earlene Armstrong, Walter Reed Army Research Institute
Sponsor: Lowell W. Adams



$2,500

The Chrysomelidae (Insecta: Coleoptera) of Plummers Island, Maryland Year 2
Charles Staines, National Museum of Natural History
Sponsor: Paul J. Spangler


$2,500

Effects of immunocontraception on white-tailed deer fawns
Lori Thiele, University of Maryland, College Park
Sponsor: Lowell W. Adams


$2,500

The relative importance of native and exotic herbaceous species in recovery from flood damage along the Potomac River at Plummers Island
Elizabeth F. Wells, George Washington University
Sponsor: Stanwyn G. Shetler



$750

1997
Movement and mortality patterns of translocated urban-suburban gray squirrels
Lowell W. Adams (Member), and Vagn Flyger (Member)



$2,500

The reproductive ecology of the wood turtle (Clemmys insculpta) in northern Virginia
Thomas S. B. Akre, George Mason University
Sponsor: Roy W. McDiarmid


$2,515

BioBlitz of Chain Bridge Flats
Olin Allen , District of Columbia Natural Heritage Program
Sponsor: John M. Hadidian


$1,000

The effects of beaver dams on macroinvertebrate assemblages, water chemistry, and hydrology in low-order streams of western Maryland
Brian Margolis and Richard Raesly, Frostburg State University
Sponsor: Paul Brouha



$2,349

The relative importance of native and exotic herbaceous species in recovery from flood damage along the Potomac River at Plummers Island
Elizabeth F. Wells, George Washington University
Sponsor: Stanwyn G. Shetler



$1,978

Monitoring calling Orthoptera of Plummers Island and the Potomac River Basin as a means of evaluating seasonal and yearly environmental changes
Samuel W. Droege, Patuxent Wildlife Research Center
Sponsor: Paul J. Spangler



$2,500

A survey of the harvestmen (Arachnida, Opiliones) occurring in the vicinity of Plummers Island
Arnold Norden ( Member)


$700

Inventory of tardigrades of Plummers Island
Marcia Shofner, University of Maryland, College Park
Sponsor: Roy W. McDiarmid


$2,209

The Chrysomelidae (Insecta: Coleoptera) of Plummers Island
Charles L. Staines, National Museum of Natural History
Sponsor: Paul J. Spangler


$2,500

Bioassessment of northern Virginia stream quality, using benthic macroinvertebrates
Allyson Via-Norton, George Mason University
Sponsor: James D. Lawrey


$2,115

1996
Amphibian, reptile, and mammal survey of Dyke Marsh, Virginia
Walter Bulmer, Northern Virginia Community College
Sponsor: David W. Johnston



$1,745

Vegetation Survey of the Woodbridge Unit of the Mason Neck National Wildlife Refuge
Elaine Haug
Sponsor: Stanwyn G. Shetler


$2,500

Movement and mortality patterns of translocated urban-surburban gray squirrels
Lowell W. Adams (Member)


$2,100

Insect biodiversity of Dyke Marsh Wildlife Preserve
Edward W. Barrows, Georgetown University
Sponsor: David W. Johnston


$2,500

Vegetation survey of the Woodbridge Unit of the Mason Neck National Wildlife Refuge
Elaine Haug, Department of Biology, Smithsonian Institution
Sponsor: Stanwyn G. Shetler

$2,500

Vegetative communities of the flood plain and flood terraces in the Potomac River Gorge
Chris Lea, George Mason University
Sponsor: James D. Lawrey


$1,600

Life histories of slugs of Plummers Island
Arnold Norden ( Member)


$900

Influence of white-tailed deer on survival and density of rare and endangered spring wildflowers in the Potomac Basin
Lisa Shipley, Frostburg State University
Sponsor: John M. Hadidan


$1,926

Herpetofauna of constructed forested wetland and adjacent areas
T’Shaka Touré, Howard University
Sponsor: Roy W. McDiarmid


$1,675

Biodiversity of the Harpacticoida (Crustacea: Copepoda) in the Potomac Basin surrounding Plummers Island
Grace Wyngaard, James Madison University
Sponsor: Don E. Wilson


$1,511

1995
The pollination biology of witch hazel: Hamamelis virginiana L.
Stefan Sommer, University of Maryland, College Park
Sponsor: Eugene.S. Morton



$1,000

Crayfish feeding behavior
Robert Creed, Hood College
Sponsor: John S. Gottschalk


$1,276

A radiotelemetry feasibility study to support American shad restoration in the Potomac River
James D. Cummins, Interstate Commission on the Potomac River Basin
Sponsor: Paul Brouha


$800

Calling station fidelity of male green tree frogs (Hyla cinerea)
Sandra D’Alessandro, George Mason University
Sponsor: James D. Lawrey


$1,674

Floral inventory of Diamond Lab
Elaine Haug, National Museum of Natural History
Sponsors: Stanwyn G. Shetler, John S. Gottschalk


$2,500

Polygonum perfoliatum : A study of biological features leading to the formation of a management polciy
Judith A. Okay, George Mason University
Sponsor: James D. Lawrey


$1,250

Microhabitat preference and nest survival in the spotted turtle (Clemmys guttata)
Thomas Wilson, George Mason University
Sponsor: James D. Lawrey


$2,500

Insect Diversity of Dyke Marsh Wildlife Preserve, Virginia
Edward M. Barrows, Georgetown University
Sponsor: David W. Johnston


$2,500

Inventory of fish of the waters around Plummers Island
Wayne Starns, North Carolina State Museum
Sponsor: James C. Tyler, II


$5,000

1994
Ecology of the eastern box turtle, Terrapene carolina
Timothy Boucher, George Mason University
Sponsor: James D. Lawrey



$2,475

Survey of the terrestrial mollusks of Plummers Island and the adjacent Maryland shoreline
Arnold Norden (Member)


$500

Differential survivorship in juvenile snapping turtles (Chelydra serpentine) based on hatching size
James C. Wilgenbusch, George Mason University
Sponsors: James D. Lawrey and Thomas H. Fritts


$2,500

The effects of low pH on the upland chorus frogs, Pseudacris feriarum
Kay M. Briggs, George Mason University
Sponsors: James D. Lawrey and Thomas H. Fritts


$1,925

A survey of the lotic gastropods of the Potomac Basin
N. Leroy Poff, Department of Zoology, University of Maryland, College Park
Sponsor:


$2,450

1993
Survey of avian diversity on Plummers Island and the adjacent mainland
David Johnston (Member)



$334

Census of breeding birds of the District of Columbia
Jane N. Huff, Audubon Naturalist Society
Sponsor: Don E. Wilson


$2,100

Foraging ecology of bats in the Potomac Basin
Peter S. Miller
Sponsor: Don E. Wilson

$2,405
Winter ecology of the eastern box turtle
Timoth P. Boucher, George Mason University
Sponsor: James D. Lawrey

$2,499

Seasonal emergence patterns and species diversity of Potomac Basin Trichoptera
Richard M. Duffield, Howard University
Sponsor:


$2,333

1992
An update of breeding bird populations on Plummers Island and the adjacent mainland
David Johnston(Member)



$150

Lichens as long-term pollution monitors at Plummers Island
James D. Lawrey (Member)


$2,630

Factors controlling local temperature variations in the Washington, D. C., urban heat island
J. Michael Pendleton, George Mason University
Sponsor:


$2,415

Inventory of lichen specimens of the Washington, D. C. area at the National Museum of Natural History
Ellen Farr, National Museum of Natural History
Sponsor: James D. Lawrey

$5,500

Seed dispersal dynamics of trout lily (Erythronium americanum)
Scott Ruhren, University of Maryland, College Park
Sponsor: Stanwyn G. Shetler


$2,443

1991
Fisheries survey around Plummers Island, Maryland
A. Rottman, University of Maryland and Interstate Commission Potomac River Basin
Sponsor: Paul Brouha



$2,500

Orchelimum nigripes and O. pulchellum in Potomac Basin: song divergence and speciation in two meadow katydids
Leo Shapiro, State University of New York, Stony Brook
Sponsor: Terry L. Erwin



$2,162

Biota of Dyke Marsh, Potomac River, Farifax County, Virginia
Don Kelso, Xu Zhaoran, Elaine Haug, Scott Belfit, and Steve Getlein, George Mason University
Sponsor: L.K. Thomas, Jr.


$7,500

A study of plant communities in the Hunting Bay area
Xu Zhaoran, George Mason University
Sponsor: L. Kay Thomas, Jr.


$2,500

An annotated checklist of the flora of Rock Creek Park, National Park Service, Washington, D.C.
Peggy Fleming, National Park Service
Sponsor: L.Kay Thomas, Jr.


$1,280

Collection of vascular plants on National Park Service lands in the coastal plains regions of the District of Columbia and nearby Maryland
Stephen Syphax and Gentry Davis, National Capital Parks-East
Sponsor: L.Kay Thomas, Jr.



$2,000

1990
Habitat use and movement patterns of the snapping turtle
Steve W. Gotte, Fish and Wildlife Service, National Museum of Natural History
Sponsor: Roy W. McDiarmid



$2,470

Collection of vascular plants within the Potomac Basin
Peggy Fleming, National Park Service
Sponsor: L. Kay Thomas, Jr.

$2,000

Study of nesting behavior in the wood turtle, Clemmys insculpta
John McBreen, George Mason University
Sponsor: Roy W. McDiarmid


$1,287

Provisioning behavior and reproductive success: the currency of fitness in a solidarity wasp Trypoxylon lactitarse (Hymenoptera: Sphecidae)
Chaarma Boyde, University of Maryland, College Park
Sponsor: Karl V. Krombein



$2,500

1989
An inventory of Virginia raptor specimens
David W. Johnston(Member)


$500

Study of nesting behavior in the wood turtle, Clemmys insculpta
John F. McBreen, George Mason University
Sponsor: Roy W. McDiarmid


$1,444

The spider community of Plummers Island, Maryland
Edward M. Barrows, Georgetown University, and Jonathan A.Coddington, National Museum of Natural History
Sponsor: Ronald J. McGinley



$ 2,500

Collecting of vascular plants within the Potomac Basin
Peggy Fleming, National Park Service, Rock Creek Park
Sponsor: L.Kay Thomas, Jr.


$2,000

Identification of vascular plants in Rock Creek Park and Columbia Island
Peggy Fleming, National Park Service, Rock Creek Park
Sponsor: L.Kay Thomas, Jr.


$1,200

1988
Collection of vascular plants within the Potomac Basin
Peggy Fleming, National Park Service, Rock Creek Park
Sponsor: L.Kay Thomas, Jr.



$2,240

Survey of Acanthomoeba in the Potomac Basin
Ralph P. Eckerlin, Northern Virginia Community College, and Thomas K. Sawyer, Rescon Associates, Inc.
Sponsor: Alfred L. Gardner



$500

1987
Printing and reprint costs for publication sibmitted to Proceedings of the Biological Society of Washington
David W. Johnston (Member)




$712

Lichens as pollution monitors in the Potomac River Basin
Mason E. Hale and James E. Lawrey (Members)


$2,325

Collection of fossil ferns from the Potomac Group
Judy E. Skog, George Mason University
Sponsor: Dan H. Nicholson


$2,350

Collection of vascular plants within the Potomac Basin
Peggy Fleming, National Park Service, Rock Creek Park
Sponsor: L. Kay Thomas, Jr.


$2,499

Survey of parasites from an urban raccoon population
John M. Hadidian, National Park Service, Parasitology Laboratory, Inc.
Sponsor: Vagn F. Flyger


$2,000

Experimental analysis of directional selection for small body size in Acanthoscelides alboscutellatus (Coleoptera: Bruchidae), imposed by the contratints of its host plants Ludwigia alternifolia (Onagraceae)
James R. Ott, University of Maryland, College Park
Sponsor: Eugene S. Morton



$1,769

1986
Quantitative monitoring of airborne lead pollution by a foliose lichen: further studies
David Schwartzman, Howard University
Sponsor: James D. Lawrey



$2,500

Compter based inventory of the vascular plants of the District of Columbia region
Stanwyn G. Shetler (Member)


$2,200

1985
Bee community of Plummers Island
Ronald J. McGinley (Member)



$3,000

1984
Annotated checklist and larval keys to the Geometridae of Plummers Island
Roger L. Heitzman, University of Maryland, College Park
Sponsor: J. F. Gates Clarke



$2,129

Breeding bird populations of Plummers Island and intrasexual niche partititioning in the northern cardinal
David W. Johnston (Member)


$660

The pollination biology of witch hazel: Hamamelis virginiana L.
Stephen Sommer, University of Maryland, College Park
Sponsor: Eugene S. Morton


$1,000

1983
Urban raccoons and rabies in Rock Creek Park: ecological, eipizootiological, and immunological assessment
David A. Manski, National Park Service, and Victoria C. Guerrero, University of the District of Columbia
Sponsor: L. Kay Thomas, Jr.




$2,000

Seed dispersal in two species of Rubus (R. allegheniensis Porter and R. flagellaris Wildenow) and implications for reproductive resource allocation
George Middendorf and Muriel Poston, Howard University
Sponsor: Richard S. Cowan



$2,500

The pollination biology of witch hazel: Hamamelis virginiana L.
Stefran A. Sommer, University of Maryland, College Park
Sponsor: E.S. Morton


$2,120

1982
The biting midges of Plummers Island
Willis Wirth (Member)


$500

The structure of the flower fly (Diptera: Syrphidae) community in the Washington, D.C. area
Edward M. Barrows and F. Christian Thompson, Georgetown University
Sponsor: Ronald W. Hodges


$2,500

A systematic investigation of the subgenus Pseudophonus, Harpalus (Coleoptera: Carabidae), in the Potomac River Basin
Brian D. Farrell, University of Maryland, College Park
Sponsor: Terry L. Erwin



$564

Population dynamics of a neotropical migrant bird, the Kentucky warbler (Oporornis formosus)
Eugene S. Morton (Member)


$2,004

A checklist of flowering plants and ferns of Plummers Island
Stanwyn G. Shetler (Member)


$2,312

Exotic plant impact; ecology and geography of Virginia mallow; and hydrology, geomorphology, and vegetation in and around Theodore Roosevelt Island
L. Kay Thomas, Jr. (Member)



$1,544

Patterns of heavy metal accumulation in lichens in the Potomac Basin
Mason E. Hale and James D. Lawrey (Members)


$2,500

1981
Lichen flora of Bear Island
Mason Hale (Member)and Al Skorepa, Smithsonian Institution and Towson State College



$2,356

1978
The biting midges of Plummers Island
Willis W. Wirth (Member)


$2,000
Reprinting of the "Flora of the District of Columbia and Vicinity"
Audubon Naturalist Society
Sponsor: Stanwyn G. Shetler

$2,500
1977
Lichen project
Mason E. Hale (Member)


$1,155
The biting midges of Plummers Island
Willis W. Wirth (Member)

$3,740
1976
The biting midges of Plummers Island
Willis W. Wirth (Member)


$3,000
Lichen growth rates
Mason E. Hale (Member)

$1,155
Plummers Island Carabidae
Terry L. Erwin (Member)

$540
1974
The natural history of carabid beetles on Plummers Island, Maryland
Terry L. Erwin (Member)


$700
1971
Lepidoptera of Plummers Island
Donald R. David (Member)


$65
Wasps of Plummers Island
Karl V. Krombein (Member)

$284
1969
Lichen biology and use of lichens as indicators of environmental deterioration
Mason E. Hale (Member)


$1,949
1963
Wasps of Plummers Island
Karl V. Krombein (Member)

$312