Diet Overlap

Anas acuta (Northern Pintail)
Calidris alpina (Dunlin)

Common Diet

Eogammarus confervicolus
Triglochin maritima (Sea Arrow Grass)

Common Habitat

Acadia National Park
Aegean and Western Turkey sclerophyllous and mixed forests
Al Wathba Wetland Reserve
Alaska Maritime National Wildlife Refuge
Alaska Peninsula montane taiga
Alaska-St. Elias Range tundra
ALBUFERA DE ADRA
Aleutian Islands Biosphere Reserve
Alfsee
Algonquin Provincial Park
Alsó-Tisza-völgy
Alto Golfo de California y Delta del Rio Colorado
ALTO GUADALQUIVIR
ALYKI KITROUS - EVRYTERI PERIOCHI
ALYKI LEFKIMÌIS (KERKYRA)
Amudarya Zapovednik
Amur meadow steppe
AMVRAKIKOS KOLPOS, DELTA LOUROU KAI ARACHTHOU (PETRA, MYTIKAS, EVRYTERI PERIOCHI)
AMVRAKIKOS KOLPOS, LIMNOTHALASSA KATAFOURKO KAI KORAKONISIA
Anatolian conifer and deciduous mixed forests
ANSE DU FIER D'ARS EN RE
Apostle Islands National Lakeshore
Arabian Desert and East Sahero-Arabian xeric shrublands
Arabian Peninsula coastal fog desert
Arctic coastal tundra
Arctic foothills tundra
Arctic National Wildlife Refuge
Aree delle risorgive di Viarolo, Bacini di Torrile, Fascia golenale del Po
ARROZALES DE PALAZUELO Y GUADALPERALES
Astrakhanskiy Biosphere Reserve
Atanasovsko ezero
Atlantic coastal pine barrens
Atlantic mixed forests
Audubon National Wildlife Refuge
Auma-Aue mit Wolcheteiche und Struthbach-Niederung
Azerbaijan shrub desert and steppe
Azraq Wetland Reserve
AZUD DE BADAJOZ
Bacini ex-zuccherificio di Argelato e Golena del Fiume Reno
Bahamoan-Antillean mangroves
BAHIA DE CADIZ
Baie de Saint-Brieuc - Est
Baie de Vilaine
Baie du Mont Saint Michel
Baja California desert
Baldoyle Bay SPA
Balkan mixed forests
Baltic mixed forests
Baluchistan xeric woodlands
Barguzinskiy Biosphere Reserve
Barrage d'Artix et Saligue du Gave de Pau
Barrois et forêt de Clairvaux
Barthes de l'Adour
Basses Vallées du Cotentin et Baie des Veys
Bassigny
Bassin d'Arcachon : Banc d'Arguin
Belovezhskaya Pushcha Biosphere Reserve
Bering tundra
Beringia lowland tundra
Beringia upland tundra
Bermuda subtropical conifer forests
Bialowieza National Park
Bideford Bay Biosphere Reserve
Big Cypress National Preserve
Big Morongo Canyon Preserve
Biotopi e Ripristini ambientali di Bentivoglio, S. Pietro in Casale, Malalbergo e Baricella
Biotopi e Ripristini ambientali di Budrio e Minerbio
Biotopi e Ripristini ambientali di Crevalcore
Biotopi e Ripristini ambientali di Medicina e Molinella
Biscayne National Park
Blackbeard Island National Wildlife Refuge
Blackwater National Wildlife Refuge
Bombay Hook National Wildlife Refuge
Boschi del Ticino
BRAZO DEL ESTE
British Columbia mainland coastal forests
Broadmeadow/Swords Estuary SPA
Bruce Peninsula National Park
Burgasko ezero
CABO DE GATA-NIJAR
Cabrillo National Monument
Caerlaverock National Nature Reserve
Caledon conifer forests
California Central Valley grasslands
California Coast Ranges Biosphere Reserve
California coastal sage and chaparral
California Floristic Province
California interior chaparral and woodlands
California montane chaparral and woodlands
Camargue
CAMPIÑA SUR - EMBALSE DE ARROYO CONEJOS
CAMPIÑAS DE SEVILLA
Canary Islands dry woodlands and forests
Canaveral National Seashore
Canneti del Lago Maggiore
Cantabrian mixed forests
Cap Gris-Nez
Cape Cod National Seashore
Cape Hatteras National Seashore
Cape Lookout National Seashore
Cape Romain National Wildlife Refuge
Caribbean Islands
Carolinian-South Atlantic Biosphere Reserve
Caspian Hyrcanian mixed forests
Caspian lowland desert
Castelnuovo Bocca d'Adda
Castlemaine Harbour SPA
Caucasus
Celtic broadleaf forests
Central Anatolian deciduous forests
Central Anatolian steppe
Central European mixed forests
Central Gulf Coastal Plain Biosphere Reserve
Central Korean deciduous forests
Central Pacific coastal forests
Changbai Mountains mixed forests
Channel Islands National Marine Sanctuary
Channel Islands National Park
Chao Phraya freshwater swamp forests
Chattahoochee River National Recreation Area
Chelopechene Fish-ponds
Chernye Zemli Biosphere Reserve
Cherskii-Kolyma mountain tundra
Chukchi Peninsula tundra
Ciénaga de Zapata National Park
Colonial National Historic Park
COMPLEJO ENDORREICO DE UTRERA
COMPLEJO ENDORREICO LA LANTEJUELA
COMPLEJO ENDORREICO LEBRIJA-LAS CABEZAS
Confluence des vallées de la Meuse et de la Chiers
Corbett National Park
Cork Harbour SPA
Cosumnes River Preserve
Creighton Ranch Preserve
Crosswinds Marsh
CUENCA DE GALLOCANTA
Cumberland Island National Seashore
Da Hinggan-Dzhagdy Mountains conifer forests
Darvinsky Zapovednik
Death Valley National Park
Dee Estuary/ Aber Dyfrdwy
Deer Flat National Wildlife Refuge
DELTA ACHELOOU, LIMNOTHALASSA MESOLONGIOU - AITOLIKOU KAI EKVOLES EVINOU, NISOI ECHINADES, NISOS PET
DELTA ACHELOOU, LIMNOTHALASSA MESOLONGIOU - AITOLIKOU, EKVOLES EVINOU, NISOI ECHINADES, NISOS PETALA
DELTA AXIOU - LOUDIA - ALIAKMONA - ALYKI KITROUS
DELTA AXIOU - LOUDIA - ALIAKMONA - EVRYTERI PERIOCHI - AXIOUPOLI
DELTA EVROU
DELTA EVROU KAI DYTIKOS VRACHIONAS
DELTA NESTOU KAI LIMNOTHALASSES KERAMOTIS - EVRYTERI PERIOCHI KAI PARAKTIA ZONI
DELTA NESTOU KAI LIMNOTHALASSES KERAMOTIS KAI NISOS THASOPOULA
Denali Biosphere Reserve
Desembocadura del riu Millars
Dolina Dolnej Wisly
Dolna Odra
Domaine d'Orx
DOÑANA
Dundalk Bay SPA
Dungarvan Harbour SPA
Durankulak Lake
East Siberian taiga
Eastern Anatolian montane steppe
Eastern Mediterranean conifer-sclerophyllous-broadleaf forests
Effigy Mounds National Monument
EKVOLES POTAMOU STRYMONA
El Fondo d'Elx-Crevillent
Elkhorn Slough Preserve
EMBALSE DE LOS CANCHALES
EMBALSE DE VALDECAÑAS
English Lowlands beech forests
Es Trenc-Salobrar de Campos
ESTERO DE DOMINGO RUBIO
Estuaire et marais de la Basse Seine
Estuaires picards : Baie de Somme et d'Authie
Estuário do Sado
Estuário do Tejo
ETANG DE GALETAS
Etang de la Horre
ETANG DE LACHAUSSEE ET ZONES VOISINES
Etangs d'Argonne
Etangs entre Istres et Fos
Etangs palavasiens et étang de l'Estagnol
Euxine-Colchic broadleaf forests
Everglades
Évora
Farallon National Wildlife Refuge
Farvandet mellem Skælskør Fjord og Glænø
Fathom Five National Marine Park
Felsõ-kiskunsági szikes puszták és turjánvidék
Fertõ tó
Fiume Po - tratto vercellese alessandrino
Florida Keys National Marine Sanctuary
Florida sand pine scrub
Flusslandschaft Elbe Biosphere Reserve
Fontanili di Gattatico e Fiume Enza
Foret Domaniale du Circeo
FORETS ET ZONES HUMIDES DU PAYS DE SPINCOURT
Forillon National Park
Fort Pulaski National Monument
Fundy National Park
GALACHOS DE LA ALFRANCA DE PASTRIZ, LA CARTUJA Y EL BURGO DE EBRO
Galichia Gora Zapovednik
Gates of the Arctic National Park
Gateway National Recreation Area
Glacier Bay National Park and Preserve
Golden Gate National Recreation Area
Golfe du Morbihan
Gorges de la Loire
Grand Canyon National Park
Gray Lodge State Wildlife Area
Great Swamp National Wildlife Refuge
Gros Morne National Park
Guinean forest-savanna mosaic
Gulf of California xeric scrub
Gulf of Oman desert and semi-desert
Gwaii Haanas National Park Reserve
Hailuoto, pohjoisranta
Hammeniederung
Hawaii tropical dry forests
Hawaii tropical low shrublands
Hawaii tropical moist forests
Helme-Unstrut-Niederung
Herbages et cultures autour du lac du Der
Herbages et cultures des vallées de la Voire, de l'Héronne et de la Laines
Hiastinlahti
Hokkaido deciduous forests
Hokkaido montane conifer forests
Honshu alpine conifer forests
Horn of Africa
Hortobágy National Park
Hot Springs National Park
Humber Estuary
Iberian sclerophyllous and semi-deciduous forests
Iceland boreal birch forests and alpine tundra
Illyrian deciduous forests
Indiana Dunes National Lakeshore
Indo-Burma
Indochina mangroves
Indus River Delta-Arabian Sea mangroves
Interior Alaska-Yukon lowland taiga
Irano-Anatolian
Is-Simar (l/o San Pawl il-Bahar)
Isola Boscone
Isomatala-Maasyvänlahti
Italian sclerophyllous and semi-deciduous forests
Ivalojokisuisto
Ivvavik National Park
Japan
Jean Lafitte National Hist. Park & Preserve
Jepson Prairie Preserve
Joutsenaapa - Kaita-aapa
Kaliakra
Kaloko-Honokohau National Historical Park
Kamchiyska Mountain
Karadagskiy Zapovednik
KATO ROUS KAI EKVOLES SPERCHEIOU POTAMOU
Kemihaaran suot
Kempeleenlahden ranta
Keoladeo (Bharatpur) National Park
Kern River Preserve
Khazar Zapovednik
Kirkkonummen saaristo (SPA)
Kirkkosalmi
Kis-Sárrét
Kiskunsági szikes tavak és az õrjegi turjánvidék
Klamath-Siskiyou forests
KOILADA KAI EKVOLES SPERCHEIOU - MALIAKOS KOLPOS
Kola Peninsula tundra
Kouchibouguac National Park
Kristiinankaupungin saaristo
Kronotskiy Biosphere Reserve
Krummhörn
Kulju
Kwade Hoek
Kyffhäuser - Badraer Schweiz - Helmestausee
l'Albufera
L-Ghadira Area
LA NAVA-CAMPOS NORTE
LA SOTONERA
Lac de Grand Lieu
LAC DE MADINE ET ETANGS DE PANNES
Lac de Remoray
Lac du Der
LAC LEMAN
Lacassine National Wildlife Refuge
Lacs de la forêt d'Orient
Lago di Mezzola e Pian di Spagna
Lago di Montepulciano
Lago di Pergusa
Lago di Varese
Lago Trasimeno
Lagoa de Santo André
LAGUNA DE EL HITO
LAGUNA DE FUENTE DE PIEDRA
LAGUNA DE LA RATOSA
LAGUNA DE MEDINA
LAGUNA DE SARIÑENA Y BALSA DE LA ESTACIÓN
Laguna di Marano e Grado
Laguna di Orbetello
Laguna di Venezia
LAGUNAS DE CAMPILLOS
LAGUNAS DEL SUR DE CORDOBA
LAGUNAS Y CARRIZALES DE CINCO VILLAS
Lake Mead National Recreation Area
Lake Nakuru National Park
Lake Superior Provincial Park
Lake Torne Area
Lampertheimer Altrhein
Land Between the Lakes Biosphere Reserve
Laplandskiy Biosphere Reserve
Lava Beds National Monument
Le Marais d'Isle
Les "Cinq Tailles"
LESVOS: PARAKTIOI YGROTOPOI KOLPOU KALLONIS
Liminganlahti
LIMNES KAI LIMNOTHALASSES TIS THRAKIS - EVRYTERI PERIOCHI KAI PARAKTIA ZONI
LIMNES KORONEIAS - VOLVIS, STENA RENTINAS KAI EVRYTERI PERIOCHI
LIMNES VISTONIS, ISMARIS - LIMNOTHALASSES PORTO LAGOS, ALYKI PTELEA, XIROLIMNI, KARATZA
LIMNES VOLVI KAI LAGKADA - EVRYTERI PERIOCHI
LIMNI AGIAS (CHANIA)
LIMNI KERKINI - KROUSIA - KORYFES OROUS BELES, ANGISTRO - CHAROPO
LIMNI KOURNA KAI EKVOLI ALMYROU
LIMNOS: CHORTAROLIMNI - LIMNI ALYKI KAI THALASSIA PERIOCHI
LIMNOS: LIMNES CHORTAROLIMNI KAI ALYKI, KOLPOS MOUDROU, ELOS DIAPORI KAI CHERSONISOS FAKOS
LIMNOTHALASSA KALOGRIAS, DASOS STROFYLIAS KAI ELOS LAMIAS, ARAXOS
LIMNOTHALASSA KORISSION (KERKYRA) KAI NISOS LAGOUDIA
LIMNOTHALASSA KOTYCHI - ALYKI LECHAINON
LIMNOTHALASSES STENON LEFKADAS (PALIONIS - AVLIMON) KAI ALYKES LEFKADAS
Loch a`Phuill
Long Point Biosphere Reserve
Low Arctic tundra
Lower Gangetic Plains moist deciduous forests
Malabar Coast moist forests
Manchurian mixed forests
Mandra - Poda
Marais Breton, baie de Bourgneuf, île de Noirmoutier et forêt de Monts
Marais de l'Erdre
Marais du Nord Médoc
MARAIS POITEVIN
Marais salants de Guérande, traicts du Croisic, dunes de Pen Bron
Marchesato e Fiume Neto
Marigny, Superbe, vallée de l'Aube
MARISMAS DE ISLA CRISTINA
Marismas de Santoña y Noja
MARISMAS DEL ODIEL
MARISMAS DEL RIO PIEDRAS Y FLECHA DEL ROMPIDO
Marjal de Pego-Oliva.
Marjal dels Moros
Marjal i Estanys d'Almenara
Markiezaatsmeer
Märkische Schweiz
Mechka Fish-ponds
Mediterranean acacia-argania dry woodlands and succulent thickets
Mediterranean Basin
Mediterranean conifer and mixed forests
Mediterranean dry woodlands and steppe
Mediterranean woodlands and forests
Merenkurkun saaristo
Mesopotamian shrub desert
Middle Atlantic coastal forests
Middle East steppe
Mingan Archipelago National Park Reserve
Minsmere to Walberswick Heaths and Marshes
Mississippi lowland forests
Mojave and Colorado Deserts Biosphere Reserve
Mongolian-Manchurian grassland
Montdúver-Marjal de la Safor
Moray Firth
Morecambe Bay
Mount Arrowsmith
Moyenne vallée de l'Oise
Nansei Islands subtropical evergreen forests
Neusiedler See-Osterreichischer Teil
Niagara Escarpment Biosphere Reserve
Niederung der Unteren Havel
Nieszawska Dolina Wisly
Nihonkai evergreen forests
Nihonkai montane deciduous forests
Nile Delta flooded savanna
Noatak Biosphere Reserve
North America
North Atlantic moist mixed forests
North Bull Island
North Bull Island SPA
North Norfolk Coast
North Norfolk Coast Biosphere Reserve
North Saharan steppe and woodlands
Northeast China Plain deciduous forests
Northeast Siberian taiga
Northeastern coastal forests
Northern California coastal forests
Northern Canadian Shield taiga
Northern Indochina subtropical forests
Northern Karelian
Northern Khorat Plateau moist deciduous forests
Northern Pacific coastal forests
Northern Vietnam lowland rain forests
Northwest Iberian montane forests
Northwest Russian-Novaya Zemlya tundra
Northwestern Hawaii scrub
Northwestern thorn scrub forests
NOTIA MANI
NSG Krombachtalsperre
NSG Urmitzer Werth
Okefenokee National Wildlife Refuge
Okskiy Biosphere Reserve
Olympic Biosphere Reserve
Orsoya Fish-ponds
Ortazzo, Ortazzino, Foce del Torrente Bevano
Ostoja nad Barycza
Ostoja Warminska
Ostrov Vrangelya (Wrangel Island) Zapovednik
Oxford Meadows
Pacific Coastal Mountain icefields and tundra
Pacific Rim National Park Reserve
Padre Island National Seashore
Padule della Trappola, Bocca d'Ombrone
Padule di Diaccia Botrona
Paimionlahti
Paine Preserve
Palava Protected Landscape Area
Parco Del Cilento e Vallo de Diano
Paul do Boquilobo Biosphere Reserve
Pechoro-Ilychskiy Biosphere Reserve
Persian Gulf desert and semi-desert
Petolahdenjokisuisto
Pialassa dei Piomboni, Pineta di Punta Marina
Pialasse Baiona, Risega e Pontazzo
Pictured Rocks National Lakeshore
Pieni- ja Suuri-Rautjärvi
Pindus Mountains mixed forests
Planèze de Saint Flour
Plothener Teiche
Po Basin mixed forests
Point Pelee National Park
Point Reyes National Seashore
Polar Bear Provincial Park
Polynesia-Micronesia
Pomorie Lake
Prat de Cabanes i Torreblanca
Prespa National Park
Prince Albert National Park
Prince Edward Island National Park
Puget lowland forests
Pukaskwa National Park
PUNTA ENTINAS-SABINAR
Punte Alberete, Valle Mandriole
Puszcza Kampinoska
Pyasachnik Reservoir
Pyhäjärvi
Queen Charlotte Islands
Queen Maud Gulf Bird Sanctuary
Rahasane Turlough SPA
Ramsar-Gebiet S-H Wattenmeer und angrenzende Küstengebiete
Rann of Kutch seasonal salt marsh
Rastgebiete im mittleren Saartal
Red River freshwater swamp forests
Red Sea Nubo-Sindian tropical desert and semi-desert
Redwood National Park
REGION DE PRESSAC, ETANG DE COMBOURG
Registan-North Pakistan sandy desert
Reserva de la Biosfera de Urdaibai
Reserva de la Biosfera El Vizcaino
Reserve de la Biosphere d'Iroise
Reserve de la Biosphere des Vosges du Nord
Reserve Nationale de Camargue Biosphere Reserve
Ria de Aveiro
Ría de Villaviciosa
Ría del Eo
Ria Formosa
Ribadeo
Riding Mountain Biosphere Reserve
Rietzer See
Risaie della Lomellina
Riserva Regionale Bosco Ronchetti
Riserva Regionale Garzaia di Pomponesco
River Little Brosna Callows SPA
Rivière de Pénerf
Rivières de Pont-l'Abbé et de l'Odet
Rodope montane mixed forests
Rondeau Provincial Park
Ropotamo Complex
Rozov Kladenets Reservoir
Ruegen
S'Albufera de Mallorca
S'Albufera des Grau
Säärenperä ja Karinkannanmatala
Saaristomeri
Sacca di Goro, Po di Goro, Valle Dindona, Foce del Po di Volano
Saguenay - St. Lawrence Marine Park
Sahara desert
Saharan flooded grasslands
Sahelian Acacia savanna
Saint Croix International Historic Site
Saint Lawrence Islands National Park
Salina di Cervia
Salinas de Santa Pola.
Salt Plains National Wildlife Refuge
SAMOTHRAKI: OROS FENGARI KAI PARAKTIA ZONI
San Genesio
San Lucan xeric scrub
Santa Cruz Island Preserve
Santa Monica Mountains National Recreation Area
Santee Coastal Reserve and Washo Reserve
Sapais de Castro Marim
Scandinavian and Russian taiga
Scandinavian coastal conifer forests
Schorfheide-Chorin
Sefton Coast
Seksmiilarin saaristo
Ses Salines d'Eivissa i Formentera
Severn Estuary/ Môr Hafren
Sevilleta LTER Site
Shabla Lake Complex
Sierra de la Laguna dry forests
Siikajoen lintuvedet ja suot
Sikhote-Alinskiy Biosphere Reserve
Sleeping Bear Dunes National Lakeshore
Solent Maritime
Sologne bourbonnaise
Sonoran desert
Sonoran-Sinaloan transition subtropical dry forest
South Atlantic Coastal Plain Biosphere Reserve
South China-Vietnam subtropical evergreen forests
South Florida rocklands
South Iran Nubo-Sindian desert and semi-desert
South Saharan steppe and woodlands
Southeastern conifer forests
Southeastern Iberian shrubs and woodlands
Southeastern mixed forests
Southern Hudson Bay taiga
Southern Korea evergreen forests
Southern Vietnam lowland dry forests
Southwest Iberian Mediterranean sclerophyllous and mixed forests
Spinadesco
Spreewald
St. Kilda National Nature Reserve
Stagnone di Marsala e Saline di Trapani - area marina e terrestre
Straldzha Complex
Suha Reka
Suiphun-Khanka meadows and forest meadows
Sunderban
TABLAS DE DAIMIEL
Tacumshin Lake SPA
Taiheiyo evergreen forests
Taiheiyo montane deciduous forests
Taimyr-Central Siberian tundra
Taimyrsky Biosphere Reserve
Tammisaaren ja Hangon saariston ja Pohjanpitäjänlahden merensuojelualue
Tawas Point State Park
Teuravuoma-Kivijärvenvuoma
The Wash and North Norfolk Coast
Tigris-Euphrates alluvial salt marsh
Tonle Sap freshwater swamp forests
Tonle Sap-Mekong peat swamp forests
Trzebiatowsko-Kolobrzeski Pas Nadmorski
Tyrrhenian-Adriatic sclerophyllous and mixed forests
Tysjöarna
U. Rhinluch/Dreetzer See, Havell. Luch und Belziger Landschaftsw.
Ubsunurskaya Kotlovina (Ubsunur Depression)
Ukkusiksalik National Park
Ulvedybet og Nibe Bredning
Unterelbe
Unterelbe bis Wedel
Unteres Elbtal
Unteres Odertal
Untersee des Bodensees
Upper Miss. River Nat'l Wildlife Refuge
Urdaibaiko Itsasadarra / Ría de Urdaibai
Uudenkaarlepyyn saaristo
Vaahersalonlampi
Val d'Allier Bourbonnais
Val d'allier Saint Yorre-Joze
Valle Bertuzzi, Valle Porticino - Canneviè
Valle del Mezzano, Valle Pega
Valle del Tevere: Laghi di Corbara - Alviano
VALLE DEL TIÉTAR
Vallée de l'Aisne en aval de Château Porcien
Vallée de la Loire de Iguerande à Decize
VALLEE DU RHIN DE LAUTERBOURG A STRASBOURG
VALLEE DU RHIN DE STRASBOURG A MARCKOLSHEIM
Valli di Argenta
Valli di Comacchio
Valli Mirandolesi
Vanhankaupunginlahden lintuvesi
Varna-Beloslav Lakes Complex
VEGAS DEL RUECAS, CUBILAR Y MOHEDA ALTA
Vene di Bellocchio, Sacca di Bellocchio, Foce del Fiume Reno, Pineta di Bellocchio
Viadana, Portiolo, San Benedetto Po e Ostiglia
Vidåen, Tøndermarsken og Saltvandssøen
Vina Plains Preserve
Virginia Coast Biosphere Reserve
Viurilanlahti
Voyageurs National Park
Waddensea Area
Waddensea of Lower Saxony
Waddensea of Schleswig-Holstein
Waddenzee
Wangerland
Wapusk National Park
Werra bis Treffurt mit Zuflüssen
Western Gulf Coastal grasslands
Wexford Harbour and Slobs SPA
Wheeler National Wildlife Refuge
Wood Buffalo National Park
Yamal-Gydan tundra
Yancheng
Yatata
Yellowstone Biosphere Reserve
YGROTOPOS EKVOLON KALAMA KAI NISOS PRASOUDI
YGROTOPOS SCHINIA
Zagros Mountains forest steppe
Zaliv Chengene skele
Zatoka Pucka i Pólwysep Helski

Attributes / relations provided by
1Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979