Submersible Survey Along the Honolulu Sea Water Air Conditioning LLC Pipe Route to Provide Data for Their Environmental Impact Statement

Transcription

1 Submersible Survey Along the Honolulu Sea Water Air Conditioning LLC Pipe Route to Provide Data for Their Environmental Impact Statement Christopher Kelley 1 & Frederic Berg 2 1 Hawaii Undersea Research Laboratory, University of Hawaii 2 Honolulu Seawater Air Conditioning, LLC KOK & Pisces V 1

2 HSWAC Pipe Route Survey Methods 40 m survey corridors Pisces 5 Pisces 4 Dive Length (m) Area (m2) Area (ha) P , P ,116 15, P ,989 17, P ,742 20, Total 18,784 56,

3 Results: Benthic Environment & Animal Analyses Zone 1 ( m) Zone 2 ( m) Zone 3 ( m) 3

4 Results: Zone 1 ( m) Animal Analysis Animal Category Name Counts Density (ha) Density (m2) algae Rhodophyta Halimeda opuntia cnidarians Leptoseris sp Hydrozoa sponges Pseudoceratina sp Porifera urchins Asterostomatidae cf unidentified Prionocidaris thomasi seastars unidentified fishes unidentified Seriola dumerili Bodianus albotaeniatus Chaetodon miliaris Dasyatis sp Parapercis schauinslandii Dascyllus albisella Scaridae Apolemichthys arcuatus Balistidae Canthigaster jactator Heniochus diphreutes Labridae Zone 1 Total

5 Results: Zone 2 ( m) Animal Analysis Animal Category Name Counts Density (ha) Density (m2) cnidarians Scleractinia single polyp Aphanipathes sp Hydrozoa Pennatulacea Stichopathes sp Gardineria hawaiiensis Antipatharia Swiftia sp cf unidentified ctenophores Lyrocteis sp sponges Sericolophus hawaiicus Regadrella sp urchins Stylocidaris calacantha Cidaridae unidentified Stylocidaris rufa seastars Goniasteridae crinoids Antedon sp yellow barnacles Cirripedia crabs Brachyura Galatheidae Homola dickinsoni Paguridae Paramunida hawaiiensis shrimps Decapoda shrimp Plesionika sp unid crustaceans unidentified fishes Symphysanodon maunaloae unidentified Myctophidae Etelis carbunculus Pontinus macrocephalus Scorpaenidae Chlorophthalmus proridens Roa excelsa Chrionema chryseres Etelis coruscans Holocentridae Ophichthidae Seriola dumerili Symphysanodon typus Congridae Odontanthias elizabethae Plectranthias kelloggi Anguilliformes Bothidae Canthigaster inframacula Epigonus sp Gymnothorax nuttingi Parapercis roseoviridis Physiculus sp Satyrichthys engyceros Squalus mitsukurii worms Annelida Zone 2 Total

6 Results: Zone 3 ( m) Animal Analysis 6

7 Results: Zone 3 ( m) Animal Analysis Cont. Animal Category Name Counts Density (ha) Density (m2) cnidarians Kophobelemnon stelliferum Pennatulacea white Protoptilum sp Hormathiidae sp Pennatulacea Pennatula flava cf Actiniaria orange Actiniaria gray Primnoidae Actiniaria brown Antipatharia unidentified cnidaria Acanthogorgia sp Actiniaria Actiniaria white Hydrozoa Keroeides mosaica Narella muzikae Gardineria hawaiiensis Plexauridae Scleractinia single polyp Swiftia sp cf ctenophores Lyrocteis sp sponges Regadrella sp Sericolophus hawaiicus Hexactinellida ribbon Hexactinellida white Porifera urchins Aspidodiadema hawaiiense Histocidaris variabilis Diadematidae Echinoidea Stereocidaris hawaiiensis Echinothuriidae Laganum fudsiyama seastars Brisinga panopla Goniasteridae Henricia robusta Mediaster ornatus Plinthaster ceramoidea Sphaeriodiscus ammophilus brittlestars unidentified crinoids Comatulida Thalassometridae Animal Category Name Counts Density (ha) Density (m2) barnacles Heteralepas sp crabs Sympagurus dofleini Cyrtomaia smithi Brachyura Chirostylidae Galatheidae shrimps Plesionika sp Benthesicymus laciniatus Decapoda shrimp Heterocarpus ensifer Heterocarpus laevigatus Heterocarpus sp fishes Hymenocephalus antraeus Malacocephalus boretzi Chlorophthalmus proridens Macrouridae Synagrops sp Polymixia berndti Ventrifossa atherodon Actinopterygii Coelorinchus aratrum Setarches guentheri Satyrichthys hians Myctophidae Coelorinchus spilonotus Satyrichthys engyceros Ophichthidae Chascanopsetta crumenalis Ventrifossa ctenomelas Plesiobatis daviesi Ventrifossa sp Chrionema chryseres Anguilliformes Epigonus atherinoides Scorpaenidae Beryx sp Chascanopsetta sp Satyrichthys sp Stethopristes eos Chascanopsetta prorigera Chaunax umbrinus Cyttomimus stelgis Ijimaia plicatellus Squalus mitsukurii Synagrops argyreus Bembrops filifera Bembrops sp Congridae Coryphaenoides marginatus cf Lophiodes miacanthus Nezumia burragei Nezumia or Kumba octopus Octopus sp squid Nototodarus hawaiiensis gastropod Pleurobranchidae animal unidentified Zone 3 Total

8 Pipe Installation Impacts Total Pipe Weight Footprints (m 2 ) for each zone Pipe weights to be deployed in each zone Types and numbers of animals potentially impacted during pipe installation Courtesy of Makai Ocean Engineering 8

9 So, contact us if you need a benthic survey for your deepwater project. Hawaii Undersea Research Laboratory University of Hawaii at Manoa 1000 Pope Rd, MSB 303 Honolulu, Hawaii Christopher Kelley ckelley@hawaii.edu John R Smith jrsmith@hawaii.edu