1/5/2021 Ecola Pt MCA 12.19.20 Reports

Oregon Ocean Planning Ecola Pt MCA 12.19.20 Reports

Size Three Nearest Cities

Name Area (Acres) Name Ecola Pt MCA 12.19.20 159.3 Gearhart Total 159.3 Seaside Cannon Beach

Adjacent County Shoreline Clatsop county is adjacent to this zone. The selected designated area touches 3.5 miles of shoreline. Islands and Rocks

This zone includes 4 acres of offshore islands. Intertidal Area

There are 131 islands included within this zone. This zone includes 26 acres of intertidal area in the 0m Sea Level Rise scenario.

Substrate Types Average Depth Subtidal Substrates Average Minimum Maximum Name Area (Acres) Area (% of zone) Name Depth Depth Depth (m) Rock 85.2 53.5 (m) (m) Sand 64.5 40.5 Ecola Pt MCA 12.19.20 1.6 -12 55

Total 149.7 94.0 Positive values for minimum depth represents elevation above mean lower low water. Unusually high values indicate cliff edges that fall within 100m of Intertidal Substrates Mean High Water. Name Area (Acres) Area (% of zone) Unclassified 84.5 53.1 Sea Level Rise Fine Unconsolidated Substrate 29.1 18.3 Sea Level Rise Rock Substrate 7.8 4.9 Sea level rise is predicted to cause the following changes in the intertidal Boulder 2.8 1.7 habitat within this designated area: Coarse Unconsolidated Substrate 0.3 0.2 Sea Level Rise Scenario Remaining Intertidal Habitat (in Acres)* Total 124.4 78.1 0.5 Meters 20.0 1 Meter 15.4 Sea Level Rise Risk 1.5 Meter 10.0

*due to the fact that future intertidal areas may be above present-day MHW, Nearby sites have the following estimated risk from sea level rise (slr) of this analysis is based on intertidal area contained in the unclipped site 0.5, 1.0, and 1.5 meters: polygon. SLR SLR SLR Name 0.5m 1.0m 1.5m Ecola Point Low Low None Marine Mammal Indian Beach Low Low Moderate Name Species Haulout Count Ranges for Estimated SLR Risk Levels: Steller sea lions Eumetopias jubatus 1 Increase or Less than 10% Loss (Minor) Northern elephant seals Mirounga angustirostris 1 11-29% Loss (Low) 30-49% Loss (Moderate) California sea lions Zalophus californianus 1 More than 50% Loss (High) Pacific harbor seals Phoca vitulina 1 Total -- 4

Key Species Present Long Term Research Species Found Name Name Bossiella spp Acrosiphonia spp Fucus spp Aglaophenia spp Kornmannia spp Ahnfeltia fastigiata Mazzaella cordata Ahnfeltia spp Mazzaella splendens Ahnfeltiopsis linearis Mazzaella spp Ahnfeltiopsis spp https://www.seasketch.org/print-report?id=5ff363e2167b00bb11bd7bfe 1/4 1/5/2021 Ecola Pt MCA 12.19.20 Reports

Name Name Monostroma spp Alaria marginata Mytilus californianus Amphissa columbiana Neorhodomela larix Anthopleura artemisia Nucella canaliculata Anthopleura elegantissima Nucella emarginata Anthopleura sola Nucella ostrina Anthopleura xanthogrammica Pelvetiopsis spp Antithamnionella spp Phyllospadix scouleri Aplidium arenatum Aplidium californicum Pollicipes polymerus Aplidium propinquum Saccharina sessilis Aplidium solidum Strongylocentrotus purpuratus Aplidium spp Tegula funebralis Balanus crenatus Ulva spp Balanus glandula Total Blue green algae No key species found Boringclam Important Bird Colonies Important Bird Colonies Bossiella spp Importance Number of Colonies Bugula spp High 8 Calliarthron spp Medium 317 Callithamnion pikeanum Low 12 Callothrix Total 337 Cancer antennarius High-importance bird colonies are offshore colonies/complexes with ≥ Cancer magister 5,000 breeding birds, OR offshore or mainland colonies with Tufted Puffins, Centroceras spp OR offshore colonies with Leach’s Storm Petrels or Fork-tailed Storm Ceramium spp Petrels. Chthamalus dalli Medium-importance colonies include all rocks, reefs, and islands of Oregon Islands and Three Arch Rocks NWRs with breeding seabirds that Chthamalus fissus were not included in Importance level 1, OR mainland seabird breeding sites Cladophora columbiana with ≥ 1,000 breeding birds. Colonial diatom Low-importance colonies are all other colonies. Colpomenia spp Constantinea simplex

Bird Species Present Corallina spp Corallophila spp Name Crustose corallines Unidentified cormorant Cryptopleura spp Pelagic cormorant Cryptosiphonia woodii Double-crested cormorant Derbesia marina Brandt's cormorant Desmarestia ligulata Seabirds Dilsea californica Pigeon guillemot Dodecaceria spp Black oystercatcher Edulis Common murre Endarachne spp West./glaucous-winged gull Endocladia muricata Erythrophyllum delesserioides Critical Habitats Farlowia spp Flustrellidra corniculata Common Name Species Fucus spp Total -- Galloprovincialis Gelidium coulteri Kelp Grateloupia californica Halichondria spp x The selected designated area does not overlap with any observed Halymenia spp kelp areas. Hemigrapsus nudus Hermissenda crassicornis Hildenbrandia spp Overlap with Gray Whale Migration Pathways Hydroid Hymenena spp The selected designated area does not overlap with any Gray Whale x migration pathways. Idotea spp Kornmannia spp Lacuna spp Ports Laminaria setchellii https://www.seasketch.org/print-report?id=5ff363e2167b00bb11bd7bfe 2/4 1/5/2021 Ecola Pt MCA 12.19.20 Reports

Name The three nearest ports are: Laminaria sinclairii Name Distance (Miles) Leathesia spp Port Of Nehalem 14 dirum Port Of Astoria 18.9 plena Port Of Garibaldi 25 Littorina scutulata State Parks Lottia austrodigitalis Lottia conus The three nearest state parks are: Lottia digitalis

Name Distance (Miles) Lottia paradigitalis Ecola 0 Lottia pelta John Yeon 0.4 Lottia scabra Elmer Feldenheimer 0.4 Lottia scutum Lottia strigatella Mastocarpus spp NPDES Outfalls NPDES Outfalls Mazzaella cordata Mazzaella parksii There are 1 NPDES outfalls within 1 mile of this designated area. Mazzaella splendens Mazzaella spp Melanosiphon spp Attendance at Nearby Parks Microcladia borealis

Parking lot visitor counts for nearby OPRD parking lots for the years Monostroma spp 2016-2018: Mytilus californianus

Name Bin Trend 2016 2017 2018 Mytilus trossulus Ecola State Park 339056 375472 355604 200,000-500,000 Increasing Neoptilota spp Neorhodomela larix Neorhodomela oregona Overlap with Long Term Research Areas Nucella canaliculata Nucella emarginata The selected designated area overlaps with long term Nucella ostrina research areas. Ocenebra circumtexta Odonthalia floccosa Ophlitaspongia pennata Recreational Activities Osmundea spectabilis Recreational activities in or near this designated area: Pagurus granosimanus Pagurus hirsutiusculus Activity Name Count Pagurus samuelis Beach going (dog walking, kite flying, jogging, etc.) 7 Pelvetiopsis spp Photography 4 Petalonia spp Scenic enjoyment 1 Petrocelis Tide pooling 8 Peyssonnelia spp Total 21 Phaeostrophion spp Watching birds and/or other marine life from shore 1 Phyllospadix scouleri These data are the panel point results from the following studies: Phyllospadix serrulatus Boating Recreational Ocean Users Study. This group aggregated the Phyllospadix torreyi following activities: sailing, power boating, personal water crafts, windsurfing, kite boarding, charter trips, and tow-in surfing Pikea spp The Human-powered group in the Recreational Ocean Users Study. Pisaster ochraceus This group aggregated the following activities: Kayaking, Surfing, Pista spp Swimming, Scuba diving, Snorkeling and Skimboarding. Plocamium oregonum The Shore group of the Recreational Ocean Users Study. This group aggregated the following activities: beach going, hang-gliding, scenic Plocamium pacificum enjoyment, storm watching, biking/hiking, off-road vehicles, and Plocamium violaceum photography. Pollicipes polymerus Additional Shore group of the Recreational Ocean Users Study. This Polysiphonia spp group aggregated the following activities: bird watching, tide-pooling and whale watching. Potamilla occelata

The data were collected to create a baseline of use patterns for Oregon's Prionitis lanceolata recreational non-consump