diff --git a/data/input/atlanticarea/aa_presence.csv b/data/input/atlanticarea/aa_presence.csv
new file mode 100644
index 0000000000000000000000000000000000000000..6a13a0e8ae2dfb20e98be634541f2206dc7aea02
--- /dev/null
+++ b/data/input/atlanticarea/aa_presence.csv
@@ -0,0 +1,136 @@
+basin_id,basin_name,obs_1751_1850,obs_1851_1950,obs_1951_2010
+1,Aa,0,0,0
+3,Adour,1,1,1
+14,Aulne,,,1
+15,Authie,0,0,0
+16,Auzance,0,0,0
+17,Avon,0,0,0
+19,Bann,0,0,0
+20,Barrow,0,0,1
+22,Blackwater,0,0,1
+23,Blavet,,,1
+25,Bresle,0,0,0
+29,Canche,0,0,0
+32,Charente,1,1,1
+34,Clyde,0,0,0
+36,Couesnon,0,0,0
+40,Dee,0,0,0
+41,Dives,0,0,0
+45,Douro,1,1,1
+46,Douve,0,0,0
+47,Drammens,0,0,0
+50,Eden,1,0,0
+51,Elbe,1,0,0
+52,Elorn,,,1
+53,Ems,1,1,0
+54,Erne,0,0,0
+55,Escaut,1,1,0
+58,Forth,1,1,0
+59,Foyle,0,0,0
+60,Garonne,1,1,1
+62,Glomma,0,0,0
+65,Gotaalv,0,0,0
+66,Great_Ouse,0,0,0
+67,Guadalquivir,1,1,0
+68,Guadiana,1,1,1
+69,Gudenaa,0,0,0
+81,Lagan,0,0,0
+82,Lagen,0,0,0
+84,Lay,1,1,0
+86,Leguer,0,0,0
+87,Leyre,0,0,0
+88,Lima,1,1,1
+89,Loire,1,1,1
+94,Mersey,0,0,0
+96,Meuse,1,1,0
+98,Minho,1,1,1
+100,Mondego,1,1,1
+103,Navia,1,1,1
+110,Nivelle,,,1
+112,Odet,,,1
+116,Orne,1,1,1
+117,Otra,0,0,0
+118,Oum_er_Rbia,1,1,0
+124,Rance,0,0,0
+128,Sado,1,1,0
+133,Scorff,0,0,0
+134,Sebou,1,1,0
+136,Seine,1,1,0
+137,Selune,0,0,0
+138,Seudre,0,0,0
+139,Severn,1,1,1
+143,Shannon,0,1,0
+144,Slaney,0,0,0
+146,Somme,0,0,0
+147,Spey,0,0,0
+155,Tay,0,1,0
+163,Touques,0,0,0
+164,Towy,0,0,0
+165,Trent,0,1,0
+166,Trieux,0,0,0
+168,Tweed,1,1,1
+169,Tyne,0,0,0
+174,Vida,0,0,0
+177,Vilaine,1,1,1
+179,Vire,,1,1
+184,Weser,1,1,0
+185,Wye,1,1,1
+188,Yser,,,0
+199,Imsa,0,0,0
+232,Orkla,0,0,0
+233,Namsen,0,0,0
+242,Vefsna,0,0,0
+245,Esva,0,0,0
+247,Sella,1,1,1
+248,Oria,1,1,1
+261,Urumea,1,1,1
+262,Oiartzun,1,1,0
+268,Rhine,1,1,1
+269,Sevre Niortaise,1,1,1
+270,Tagus,1,1,1
+271,Thames,1,1,1
+283,Nalon_Narcea,1,1,1
+284,Deva_Cares,1,1,1
+286,Bidassoa,1,1,1
+287,Nervion,1,1,1
+289,Ulla,,,0
+290,Ason,1,1,1
+291,Eo,1,1,1
+292,Pas,1,1,1
+293,Nansa,1,1,0
+296,Bou_Regreg,1,1,1
+297,Loukkos,1,1,1
+313,Masma,,,0
+314,Mandeo,,,0
+315,Lerez,,,0
+316,Landro,,,0
+328,Eider,,,
+329,Tamar,,1,1
+330,Dorset Frome,,,1
+331,Taff,0,0,0
+332,Hampshire Avon,,,1
+333,Barbate,,,1
+336,Guadalete,,,1
+339,Odiel,,,1
+340,Piedras,,,1
+342,Tinto,,,1
+358,Anllons,,,
+359,Artibai,,,0
+360,Barbadun,,,0
+361,Butron,,,0
+362,Deba,,,0
+363,Eume,,,
+364,Grande,,,
+365,Lea,,,0
+366,Oka,,,0
+367,Ouro,,,
+368,Sor,,,
+369,Tambre,,,
+370,Umia,,,
+371,Urola,1,1,0
+382,Dordogne,1,1,1
+383,Mira,,,
+384,Vouga,1,1,1
+385,Ave,,,
+386,Cavado,1,1,
+387,Alcoa,,,
diff --git a/data/input/northeastamerica/nea_presence.csv b/data/input/northeastamerica/nea_presence.csv
new file mode 100644
index 0000000000000000000000000000000000000000..86e766fb05c0ac8ddac5323d43ffb58d5da07515
--- /dev/null
+++ b/data/input/northeastamerica/nea_presence.csv
@@ -0,0 +1,113 @@
+gid,name,obs_1751_1850
+1,St. Johns,1
+2,Ogeechee,1
+3,Altamaha,1
+4,Merrimack,1
+5,Potomac,1
+6,Penobscot,1
+7,Neuse,1
+8,Cape Fear,1
+9,Roanoke,1
+10,Savannah,1
+11,Santee,1
+12,James,1
+13,Susquehanna,1
+14,Delaware,1
+15,Connecticut,1
+16,Kennebec,1
+17,Nonesuch,1
+18,Sakonnet,1
+19,Blackstone-Providence,1
+20,Paskamanset,1
+21,Farm,1
+22,Hammonasset,1
+23,Menunketesuck,1
+24,Nissequogue,1
+25,Shark,1
+26,Manasquan,1
+27,Metedeconk,1
+28,Mullica,1
+29,Pleasant,1
+30,Sheepscot,1
+31,Palmer,1
+32,Taunton,1
+33,Wicomico,1
+34,Transquaking,1
+35,Blackwater,1
+36,Pawcatuck,1
+37,Alligator,1
+38,Satilla,1
+39,White Oak,1
+40,Perquimmans,1
+41,Pasquotank,1
+42,New,1
+43,Thames,1
+44,Hudson,1
+45,Rappahannock,1
+46,York,1
+47,Chowan,1
+48,Pamlico-Tar,1
+49,Pee Dee,1
+50,Edisto,1
+51,Nanticoke,1
+52,Choptank,1
+53,Chester-Sassafras,1
+54,Patuxent,1
+55,St. Marys,1
+56,Nassau,1
+57,Housatonic,1
+58,Pokomoke-Western Lower Delmarva,1
+59,Coosawatchie,1
+60,Salkehatchie,1
+61,Cooper,1
+62,Raritan,1
+63,Saco,1
+64,Miramichi,1
+65,Petitcodiac,1
+66,St John,1
+67,St. Croix,1
+68,Restigouche,1
+69,LaHave,1
+70,Margaree,1
+71,Shubenacadie,1
+72,John,1
+73,St Mary's,1
+74,Musquodoboit,1
+75,Medway,1
+76,Annapolis,1
+77,Avon,1
+78,Maccan-Hebert-LaPlanche,1
+79,Kennetcook,1
+80,Tusket,1
+81,Mersey,1
+82,Cornwallis,1
+83,Mira,1
+84,St Lawrence,1
+85,Waccasassa,0
+86,Withlacoochee,0
+87,Myakka,0
+88,Hillsborough,0
+89,Alafia,0
+90,Little Manatee,0
+91,Manatee,0
+92,Loxahatchee,0
+93,Pearl,0
+94,Escambia,0
+95,Choctawhatchee,0
+96,Peace,0
+97,Ecofina River,0
+98,Aucilla,0
+99,Ochlockonee,0
+100,Richibucto,1
+101,Philip,1
+102,Gander,0
+103,St Marguerite,0
+104,Natashquan,0
+105,Churchill,0
+106,Manicouagan,0
+107,George,0
+108,Exploits,0
+109,Humber,0
+110,Romaine,0
+111,Kanairiktok,0
+112,Eagle,0