71° 162° 160° 158° 72° U LEGEND 12N 42W Ch u $ North Slope Planning Area ckchi Sea Conservation System Unit (Offset for display) Pingasagruk (abandoned) WAINWRIGHT Atanik (Abandoned) Naval Arctic Research Laboratory USGS 250k Quad Boundaries U Point Barrow I c U Point Belcher 24N Township Boundaries y 72° Akeonik (Ruins) Icy Cape U 17W C 12N Browerville a Trans-Alaska Pipeline p 39W 22N Solivik Island ¢[¢[ e Akvat !. P Ikpilgok 20W Barrow Secondary Roads (unpaved) a Asiniak!. Point s ¢[ MEADE RIVER s !. !. Plover Point !. Wainwright ¢[ Point Franklin Will Rogers and Wiley Post Memorial !. Brant Point U !. Seabird Interpolated Density Distribution Point Collie 1 Tolageak (Abandoned) 9N Point Marsh Emaiksoun Lake From Aerial Surveys (USFWS) ¢[ Kilmantavi (Abandoned) !. Kugrua BayEluksingiak Point Seahorse Islands 42W Kasegaluk Lagoon West Twin TekegakrokLake Point ak Pass Sigeakruk Point uitk 2 A Mitliktavik (Abandoned) Peard Bay l Class 1, lowest density of all species, Birds per km ¢[ U Ikroavik Lake E Tapkaluk Islands k Wainwright Inlet o P U l 12N k U i i e ¢[ a e n U r 2 Avak Inlet Avak Point k 36W g C 16N 22N Class 2, one or more species more dense than class 1, Birds per km a o Karmuk Point Tutolivik n U Elson Lagoon t r !. u !. a a !. 14N m 29W 17W t r 17N u W Nivat Point o g P 32W Av 2 k ¢[ a a Nokotlek¢[ Point !. 26W Nulavik Class 3, one or more species more dense than class 2, Birds per km l A s P v a a s Nalimiut Point k a k MEADE RIVER p R s Pingorarok Hill BARROW U a Scott Point i s r Akunik Pass Kugachiak Creek v ve 2 e i !. R 9N R W Tachinisok Inlet Class 4, one or more species more dense than class 3, Birds per km r A k Kimouksik Lake Avak Bay 70° l i O a o a Sikolik Lake t kr v l Tungaich Point 39W n Skull Cliff e i ak Entrance Tungak Creek g Agiak Point k r lukru 2 o U A ki C Sukok Lake v E T r A a Ross Point Class 5, Highest Density of One or More Species, Birds per km a u pi r k k k e WAINWRIGHT n Nokotlek River u 19N C v gu e r CooperU Island a i ru k e lik k ak Cr 20W e ¢[ POINT LAY POINT ee U k Plover Islands 2 R k Kilusiktok Lake Tulageak Point22N Seabird Nesting Colony Locations May-Auguest (NOAA) i R U ver 17N Sungovoak, Lake i Evrulivik Lake 14W 7N v Kilich Point Tractor Lake e Tuvak Lake 23W ¢[ 0-100 Birds, Arctic Tern or Glaucous Gull r Martin Island 41W U Kupluruak Point Kachiksuk Bluffs Ku K Itinik Lake 8N n u ¢[ go g Lake Tusikvoak Christie Point¢[ 100-1000 Birds, Arctic Tern U k r 39W U U R u N 11N i a ik Reindeer Lake s v l Pas 9N 13N K R a e v uak ¢[ 0-1000 Birds, Horned Puffin 33W o r i i r r v e l k U ga 36W v 29W e Keo Point i ip C ni R r re a k s ek Ekalgruak Lake19N S All legend items may not appear on each map tile UTUKOK RIVER a un U Inaru Rive li C r I a U 17W v Omalik River r 14N i e e s g e i 17N BARROW a k 26W Dease Inlet NOTES Puknikruk k r !.Kikikausgruak Island i u 20W RIVER MEADE 1 k M Coverage shows the average relative density of various species of seabirds 162° 70° 160° 71° 158° Inaru er Sisgravik Lake 156° 71° R R iv across the arctic coastal plain. Densities were calculated using aerial flight iv Black Head e r observations collected between 2007 and 2010. Annual flights were flown with I r a an average observation date of June 15th and an average duration of 9 days. eek McTavish Point Tiny Island Cr k Seabirds surveyed include Arctic Tern, Glaucous Gull, Jaeger, and Sabines Gull. ak C he r k 72° 156° Ikpitc e 154° e 152° 71° Anaktuk (Abandoned) e re k Oarlock Island C iver TESHEKPUK !. eak R For each species, birds per square kilometer of area searched was calculated for U Kuch e d grid cells of 100 square kilometers covering the survey area. A triangulated Katrikiorak Creek U a Admiralty Bay 24N e irregular network was formed from these estimated density points, which was B 19N Meade R M Wright Point 17W Natvakrak Lakes e ive then sampled to a grid with points every 100 meters. Finally, the grid was 72° au 2W r ss f Sea $ converted to a polygon coverage portraying 5 density classes based on a natural Plover Point a Tapkaluk Islands Jamesway Huts (Abandoned) KaolakKangik River (Abandoned) ort Point Barrow k P Avalik River U breaks classification. For each species the graduated shading of the 5 density a k !. Takrak Lake t !. Ketik River 21N i er classes from green to red shows the lowest density of birds to the highest density u iv l e Adrigigon Creek TESHEKPUKR nc U 10W ik of birds. E ra s NU tuv nt 22N s Oyagaruk Creek igis ak Brant Point E a 19N Ikmakrak Lake Elson Lagoon k P Kigakrak Cooper14W IslandMartin Island O a k 5W Shown here is a graphical conglomeration of the densities for all seabird breeds u ¢[ a !. k r u ¢[ Igalik Island p Esook Trading Post (Abandoned) C surveyed, for each location in the survey area, the highest density rating found Tekegakrok Point k r Atqasuk i B u a l Kulgurak Island e a h i Omikmuktusuk River !. k Plover Islands g !. a e Scott Point Pogik Point i among the species is shown. k i u S p ¢[ Tulimanik IslandReindeer Service USDI Cabins (Abandoned) k s f t E n Cameron Point or U Avak BayRoss Point Ikiak e a !. a p HARRISON BAY e HARRISON Naval Arctic Research Laboratory TulageakKachiksuk PointChristie Bluffs Point Napanik Creek Pitt Point !. r k Thetis Island S ¢[ !. West Twin Lake R Browerville R BARROW C Cape Halkett U U 22N !. i For example, red areas represent sites where one or more of the species have the i Tangent Point v k v Avalitkok Creek s !. e Pogik Bay e a u Barrow 17W 19N r r highest densities of birds (density class 5) and dark orange areas represent sites k k u t 8W S K u Kokruagarok k where one or more of the species have a density class 4, while the green areas !. m Ikroavik Lake i Dease Inlet t R represent sites where all species have a density class of 1. The higher density h Emaiksoun Lake i U v Reindeer Lake R e classes represent geographic areas that are more important to birds of one or Avatanak Bight r 22N Kolovik (abandoned) i 71° Black Head Sinclair LakeU ve U more surveyed species. (Waterfowl Branch, Migratory Bird Management, U.S. 20W TESHEKPUK r Avak Creek Kurgorak Bay 19N Cape Simpson McLeod Point 16N Fish and Wildlife Service, Region 7, Anchorage Alaska) 11W 2W Okalik Lake Harrison Bay 2 Nesting colonies include those mapped for Arctic Tern, Glaucous Gull and Drew Point Naluakruk Lake k U Horned Puffin. (Bering, Chukchi, and Beaufort Seas Coastal and Ocean Zones Smith Bay e Lake Tusikvoak e Kimouksik Lake r Strategic Assessment: Data Atlas, National Oceanic and Atmospheric Tiny Island 13N U C r Delta U T 5E ive Administration, November 1988) Eskimo Islands o R a e 16N k Atigaru Point p ill W 19N ro a lv Will Rogers and Wiley Post Memoriala 5W ik g o la Sungovoak, Lake Point Poleakoon P Saktuina Point Tolaktovut Point C 14W K o k BARROW !. ¢[ p U Anakruak o r a MEADE RIVER u w Wright Point k S R McTavish Point l Sukok Lake 19N a a Imakruak Lake R i k k v U 17W Oarlock Island U i o e C v r U s o e Evrulivik Lake r u e 13N r n k amayay e T t a r 16N N a k Anajuk Point e k u e C 2E ch n v k M i e h TESHEKPUK 8W li i U Ekalgruak Lake Admiralty Bay R g a lu r Sisgravik Lake R k C han n v e k C K e i n Nulavik 19N v n a !. u v i e a c s Pisiksagiavik Creek h e l c DISCLAIMER a e l h h R i r a emach 20W u P Ri R r BARROW r a n Thisve atlas is a graphicaliv representation of digital data from multiple sources. Not In U e Alaktak U ne r er C v U U l Kilusiktok Lake h i M all features indicated on this map have been constructed or physically located. 17N i !. 16N igua 13N R k p iak 14N 14W p R k 11W River 2W This atlas is a reference document only and is not intended to be used for iv a 5W MEADE RIVER e t Teshekpuk Lake navigation. The State of Alaska Makes no expressed or implied warranties with r k Oil Lake ver a 71° i l respect to the character, function, accuracy, or capabilities of this product or its Tractor Lake R U A U u ver appropriateness for any user's purposes.