Species | MARINe

Long-Term Monitoring Target Species

Target species (also called key or indicator species) are species or species groups specifically chosen for Long-Term Monitoring Surveys. They dominate particular zones or biotic assemblages in rocky intertidal habitats. 

Below is a list of the species (and or areas) currently targeted by Long-Term Monitoring Surveys. For the criteria used to select target species, click here.

Photo Plots - Biological

Anthopleura (Anemones)

Chthamalus/Balanus (Acorn Barnacles)

Semibalanus (Thatched Barnacle)

Tetraclita (Pink Barnacle)

Pollicipes (Goose Barnacle)

Mytilus (California Mussel)

Fucus (Northern Rockweed)

Pelvetiopsis californica (previously Hesperophycus californicus) (Olive Rockweed)

Pelvetiopsis (Dwarf Rockweed)

Silvetia (Golden Rockweed)

Endocladia (Turfweed)

Mastocarpus (Turkish Washcloth)

Mazzaella (Iridescent Weed)

Neorhodomela (Black Pine)


Red Algal Turf - Photo Plots

Photo Plots- Non-biological



Rock (Above Barnacles)


Egregia (Feather-Boa Kelp)

Saccharina (Sea Cabbage)

Red Algal Turf - Transects

Phyllospadix (Surfgrass)

Zostera (Eelgrass)

Species Counts and Sizes

Cryptochiton stelleri (Gumboot Chiton)

Pisaster ochraceus (Ochre Star)

Katharina tunicata (Black Katy Chiton)

Strongylocentrotus purpuratus (Purple Urchin)

Species of Concern

The following species are monitored at MARINe sites, where appropriate, but access to data is restricted to help minimize collecting pressure on these vulnerable species. To login and view trend graphs for sensitive species, click here.

Haliotis cracherodii (Black Abalone)

Haliotis rufescens (Red Abalone)

Lottia gigantea (Owl Limpet)

Postelsia (Sea Palm)