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 Maximum Minimum Name Area (Acres) Area (% of zone) Name Depth Depth (m) Depth (m) Rock 85.2 53.5 (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 Name SLR 1.5m 0.5m 1.0m 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 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 Name Name Mazzaella spp Ahnfeltiopsis linearis Monostroma spp Ahnfeltiopsis spp Mytilus californianus Alaria marginata Neorhodomela larix Amphissa columbiana Nucella canaliculata Anthopleura artemisia Nucella emarginata Anthopleura elegantissima Nucella ostrina Anthopleura sola Pelvetiopsis spp Anthopleura xanthogrammica Phyllospadix scouleri Antithamnionella spp Aplidium arenatum Pollicipes polymerus Aplidium californicum Saccharina sessilis Aplidium propinquum Strongylocentrotus purpuratus Aplidium solidum Tegula funebralis Aplidium spp Ulva spp Balanus crenatus Total Balanus glandula No key species found Blue green algae Important Bird Colonies Boringclam 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 Petrels. Ceramium spp Medium-importance colonies include all rocks, reefs, and islands of Chthamalus dalli Oregon Islands and Three Arch Rocks NWRs with breeding seabirds that Chthamalus fissus were not included in Importance level 1, OR mainland seabird breeding Cladophora columbiana sites with ≥ 1,000 breeding birds. Low-importance colonies are all other colonies. Colonial diatom Colpomenia spp Constantinea simplex Bird Species Present Corallina spp

Name Corallophila spp Unidentified cormorant Crustose corallines Pelagic cormorant Cryptopleura spp Double-crested cormorant Cryptosiphonia woodii Brandt's cormorant Derbesia marina Seabirds Desmarestia ligulata Pigeon guillemot Dilsea californica Black oystercatcher Dodecaceria spp Common murre Edulis West./glaucous-winged gull Endarachne spp Endocladia muricata Erythrophyllum delesserioides Critical Habitats Farlowia spp Common Name Species Flustrellidra corniculata Total -- Fucus spp Galloprovincialis Gelidium coulteri Kelp Grateloupia californica Halichondria spp The selected designated area does not overlap with any observed Halymenia spp x kelp areas. Hemigrapsus nudus Hermissenda crassicornis Overlap with Gray Whale Migration Pathways Hildenbrandia spp Hydroid

The selected designated area does not overlap with any Gray Whale Hymenena spp x migration pathways. Idotea spp Name Ports Kornmannia spp Lacuna spp The three nearest ports are: Laminaria setchellii Name Distance (Miles) Laminaria sinclairii Port Of Nehalem 14 Leathesia spp Port Of Astoria 18.9 dirum Port Of Garibaldi 25 plena Littorina scutulata Lottia austrodigitalis State Parks Lottia conus The three nearest state parks are: Lottia digitalis Lottia paradigitalis Name Distance (Miles) Lottia pelta Ecola 0 Lottia scabra John Yeon 0.4 Lottia scutum Elmer Feldenheimer 0.4 Lottia strigatella Mastocarpus spp 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 Monostroma spp Parking lot visitor counts for nearby OPRD parking lots for the years 2016- 2018: Mytilus californianus Mytilus trossulus Name Bin Trend 2016 2017 2018 Neoptilota spp Ecola State Park 339056 375472 355604 200,000-500,000 Increasing 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, Pikea spp windsurfing, kite boarding, charter trips, and tow-in surfing 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 Plocamium pacificum aggregated the following activities: beach going, hang-gliding, scenic 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 Potamilla occelata whale watching. Prionitis lanceolata The data were collected to create a baseline of use patterns for Oregon's Prionitis linearis recreational non-consumptive ocean users. These data include only the last trip data collected over the summer of 2010. These data were collected as Prionitis spp part of Oregon's Territorial Sea Plan revision. Prionitis sternbergii Name Pterosiphonia bipinnata Pterosiphonia dendroidea Pterosiphonia pennata Ptilota spp Pugettia gracilis Pugettia producta Pugettia richii Pyropia spp Ralfsiaceae Saccharina sessilis Schizymenia spp Sculpins Scytosiphon spp Semibalanus cariosus Silvetia compressa Smalllimpet Smallmytilusspp Strongylocentrotus purpuratus Tegula funebralis Tiffaniella snyderiae Tonicella lineata Tonicella lokii Printed from SeaSketch, http://www.seasketch.org/#projecthomepage/5c1001699112e049f6T8rfic8e3lla9ria spp Ulva spp Total