Table 1.

Relative abundances of cyanobacteria genera across fifty-three sampling locations along the Southern California Bight coastline. Dominant = D (>50%), Abundant = A (25%–49%), Common = C (10%–24%), Present = P (1%–9%), Rare = R (<1%). Multiple letters per box denotes multiple species of a given genera per site.

Locality	Aphanizomenon	Aphanocapsa	Aphanothece	Anabaena	Calothrix	Chroococcus	Cylindrospermum	Cylindrospermopsis	Dolichospermum	Geitlerinema	Gloeocapsa	Heteroleibleinia	Leibleinia	Lyngbya	Leptolyngbya	Merismopedia	Microcystis	Nodularia	Nostoc	Oscillatoria	Phormidium	Planktolyngbya	Topolythrix
Arroyo Hondo														C	A					AC	A
Atascadero Creek				AC	C													P
San Jose Creek							D		R
San Pedro Creek																P		A			A
Tecolotito Creek																			D
Goleta Slough				A	C		R		R						P	P				C	R		P
Devereaux Slough														D
Ventura Harbor			P											A						A
Santa Clara River Estuary			P	C		A				P										A	R
Santa Clara River				PP				P	P										A
Channel Islands Harbor					D
Calleguas Creek								A	A										A
Zuma Lagoon					P										D	A
Malibu Lagoon				PPR														P		A
Topanga Creek			P			P				P	P	P			P	P				CC	C
Topanga Lagoon						A					P	P		P	C	P				DP
Rustic Creek
Ballona Lagoon	R					D									R
Marina Del Rey												R	P							D
Ballona Creek	C			P													D
Del Rey Lagoon			P			D						P	P	R
King Harbor
Malaga Creek		P								D						A
Colorado Lagoon
Alamitos Bay
Mother's Beach						D														A
San Gabriel
San Gabriel up
Seal Beach
Huntington Harbour													D
Bolsa Chica Channel													D
Upper Newport		D											P		A
Back Bay		D													C	A				P
Aliso Creek			P			D							P								P
Salt Creek
Dana Point Harbor					D
San Juan Creek		P																		DAC
San Mateo Creek
Santa Margarita				P			A						R		R			A		P
Oceanside Harbor
San Luis Rey River								A									D
Buena Vista Creek/Lagoon								D									A			CC
Agua Hendionda														D
Batiquitos Lagoon				A							C				C			A	P	P
San Elijo Lagoon						A														D		P
Los Penasquitos Lagoon					P									D
San Dieguito River		D
San Diego Creek				A		R							R		P	C				D
Loma Alta Creek	R					P	P								A		P				A
Mission Bay					P									C	D								P
San Diego Bay										C					D
Tijuana River/Estuary				A		A			P		P					P
Sweetwater River				R												P		P		A	A