060731 Godwin Et Al Invasives Final Draft
Total Page:16
File Type:pdf, Size:1020Kb
Reducing Potential Impact of Invasive Marine Species in the Northwestern Hawaiian Islands Marine National Monument Scott Godwin, Ku‘ulei S. Rodgers and Paul L. Jokiel Hawai‘i Coral Reef Assessment and Monitoring Program (CRAMP) Hawai‘i Institute of Marine Biology P.O. Box 1346 Kane‘ohe, HI 96744 Phone: 808-236-7440 e-mail: [email protected] Report to: Northwest Hawaiian Islands Marine National Monument Administration 6600 Kalaniana‘ole Hwy. Suite 300 Honolulu, Hawai‘i 96825 This report available from the National Technical Information Service (NTIS) (http://www.fedworld.gov/onow/) and from the Hawaii Coral Reef Assessment and Monitoring Program (CRAMP) at http://cramp.wcc.hawaii.edu/ This research conducted under DOI, NOAA, National Ocean Service MOA 2005-008/6882 Amendment No. 001, “Research in Support of the NWHI Coral Reef Ecosystem Reserve, HIMB, SOEST, UH Manoa” (Dr. Jo-Ann Leong, PI) 1 TABLE OF CONTENTS List of Figures and Tables ...............................................................................................4 0.0 Conclusions and Recommendations ......................................................................5-8 0.1 Conclusions...........................................................................................................5 0.2 Recommendations.................................................................................................5 0.2.1 Transport Mechanisms....................................................................................5-7 0.2.2 Information Collection and Dissemination.....................................................7-8 1.0 Introduction..........................................................................................................8-14 1.1 A Primer for Marine Non-indigenous Species Introductions ..............................8 1.1.1 Species Invasions – Natural and Anthropogenic ........................................9 1.1.2 Dynamics of Non-indigenous Species Introductions ...........................9-12 1.1.3 Marine Non-indigenous Species Invasions ........................................12-14 2.0 Pathways and Mechanisms of Dispersal............................................................14-19 2.1 Natural...............................................................................................................15 2.1.1 Larval Competence and Dispersal Range ...........................................15-16 2.1.2 Natural Dispersal by Rafting ....................................................................16 2.1.3 Migration of Adults ..................................................................................16 2.1.3.1 Fishes......................................................................................16-17 2.1.3.2 Algae ............................................................................................17 2.1.3.3 Monk Seals...................................................................................18 2.1.3.4 Green Sea Turtles...................................................................18-19 2.2 Anthropogenic .............................................................................................19-27 2.2.1 Ship Movement.........................................................................................21 2.2.1.1 Ballast water.................................................................................21 2.2.1.2 Sediments .....................................................................................22 2.2.1.3 Hull Fouling ................................................................................23 2.2.2 Marine Debris Transport...........................................................................24 2.2.2.1 Biofouling on Marine Debris ..........................................................24 2.2.2.2 Rafting of Organisms with Debris ..................................................25 2.2.3 Fisheries Activities and Other Pathways ............................................25-26 3.0 Marine Non-indigenous Species in the Hawaiian Archipelago.........................26-30 3.1 Marine Non-indigenous Species and the NWHI.........................................26-27 3.2 Fish....................................................................................................................28 3.2.1 Introduction...............................................................................................28 3.2.2 Lutjanus kasmira ...............................................................................28-29 3.2.3 Cephalopholis argus ..........................................................................29-30 3.3 Invertebrates ................................................................................................30-34 3.3.1 Introduction................................................................................................30 3.3.2 Carijoa riisei ......................................................................................31-32 3.3.2 Chthamalus proteus ............................................................................32-34 3.4 Algae............................................................................................................35-51 3.4.1 Introduction..........................................................................................35-36 3.4.2 Algal invasion patterns ........................................................................36-37 3.4.3 Growth rates...............................................................................................37 2 3.4.4 Means of dispersal...............................................................................37-38 3.4.5 Spread ..................................................................................................38-40 3.4.6 Ecological consequences ...........................................................................40 3.4.7 Hypnea musciformis ............................................................................41.43 3.4.7 Avrainvillea amadelpha ......................................................................43-45 3.4.8 Kappaphycus and Eucheuma spp .......................................................45-49 3.4.9 Acanthophora spicifera ......................................................................49-51 4.0 Management Options ........................................................................................51-58 4.1 Prevention...........................................................................................................51 4.1.1 Ballast Water .......................................................................................51-52 4.1.2 Sediments...................................................................................................52 4.1.3 Hull Fouling.........................................................................................52-54 4.1.4 Other Sources.......................................................................................54-55 4.2 Legislation and Administrative Rules ........................................................55-56 4.3 Limitations and Information Needs .............................................................56-57 4.4 Eradication...................................................................................................57-58 5.0 Literature Cited .................................................................................................58-66 3 LIST OF FIGURES AND TABLES Figures 2.1.3.1-1. Biomass (%) and number of individual fishes (%) by endemic status ..............17 2.1.3.3-1. Female Hawaiian monk seal Monachus schauinslandi nursing pup at Kalaupapa, Moloka‘i..........................................................................................................18 2.1.3.4-1. The green sea turtle Chelonia midas migrates extensively throughout the archipelago ...............................................................................................................19 3.2.2-1. Blue-lined snapper (also known as Ta‘ape or Lutjanus kasmira) ........................28 3.2.3-1. The Peacock Grouper, Cephalopholis argus, introduced into Hawai‘i in the 1950’s.....................................................................................................................29 3.3.1-1. The anemone Diadumene lineata ........................................................................31 3.3.2-1. The octocoral Carijoa riisei ................................................................................32 3.3.3-1. The barnacle Chthamalus proteus .......................................................................33 3.4.7-1. Hypnea musciformis ............................................................................................41 3.4.7-2. Current Distribution-Hypnea musciformis ..........................................................42 3.4.7-3. Mokumanamana (Necker Island), Northwestern Hawaiian Islands ....................43 3.4.8-1. Avrainvillea amadelpha .......................................................................................43 3.4.8-2. Current Distribution-Avrainvillea amadelpha .....................................................44 3.4.9-1. Kappaphycus .......................................................................................................45 3.4.9-2. Current Distribution-Kappaphycus ......................................................................46 3.4.10-1. Acanthophera spicifera ......................................................................................49 3.4.10-2. Current Distribution-Acanthophera